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1. 93 6 2 7 Edit Zones iN 3D ao Egon EEN ENEDES in 93 6 2 8 COPY ZOME S Eee ere 100 6 2 9 Paste ZOME S ae Er Er enn 100 6 2 10 Delete Zone S iesesceeeseeeueeeeeeeeeueeuaeeeuaeeeuaeeeuaeeeuaauaeeauaeeauseenuags 101 6 2 11 Rotate ZONE veceeeeneeenceeneeeeeeeeeeeeeeeeaeeeaeeeaeeeaeeeaeeeeaeeeeeeeeeeneeenas 101 Page 2 2012 BuildDesk Ltd Carbon Checker user manual Contents 6 2 12 Merging ZONES seem ERR 101 6 2 13 ZONE AdjacencieS waeeeeeeeeeeeeeeeueeeeaeaeeeuaeeeuaeeeuaeeeseeuaeeeuaeeauaeeouas 103 6 2 13 1 Calculate Adjacencies ss u ss 104 6 3 SLIT ag Tor EEN SS SET BESES BE SEMESTER SES SE SES SEE SE SE LE aap Eoia aeina 104 6 3 1 Edit SUIPACES aiin a 105 6 3 1 1 Split CONStrUCTIONS wessceesceeseeeeseeeseeeaneeaneeaneesneeeaneuseeusneeanens 106 6 3 1 2 Na are LON operrrerrreereceeerereerrrerrceceerrereeerrrrecrrrrrtTcereeereeceey er rrere 108 6 3 1 2 1 Create Rectangular WiNGOW wsssessseeseeeeeeeeeeeeeeeeeeeeeeeeneeennae 108 6 3 1 2 2 Create Freehand WINdOW cacessesseceeeneeseeeeeseeseessensensensensenee 109 6 3 1 2 3 Edit GlaSS Type ssssceeesceeeeeeseeeeeeeeueeuaeseuaeeeuaouaeeeuaeeauaeeauags 110 6 3 1 2 4 Edit WiNdOW SettinGS wsscescesceeeeceeeeeeeeseeeeeeuaouaeeeuseeouseeonaes 111 6 3 1 2 5 Edit Window Thermal Bridge SettingS sss s s 113 6 3 1 2 6 Copy WindoW assseeeseeecueceeeeeeeueeueaueaeeeeeaeeeeeaauseueeeeaneaeeaneas 114 6
2. Save Image Copy Image The fields on the above screen have the following meanings Save Image Opens up a Windows file dialog and allows you to save the headline results as an image to a variety of graphics file formats Copy Image Copies the headline results into the copy paste buffer as an image which can then be pasted into other applications e g PowerPoint Word etc 11 2 5 Asset Rating Tab This tab contains the main results of the calculation with a breakdown of heating cooling auxillary energy lighting and domestic hot water heating for both the Notional and Actual buildings Page 176 2012 BuildDesk Ltd Carbon Checker user manual Running the SBEM calculation Results Building Ratings kwh r Notional Actual Difference Heating 48 53 3 63 44 9 Cooling 0 0 0 Auxilary Energy 78 27 79 38 1 11 Lighting 109 5 125 17 15 67 DHW 0 0 0 236 29 208 17 28 12 C02 Emissions kgCO2 ne Notional Actual Rating as of that produced by Notional Building 88 65 58 4 65 88 Save Image Copy Image The fields on the above screen have the following meanings Building Ratings This section gives a general breakdown of energy performance for heating cooling auxiliary energy lighting and DHW for both the Actual building and the Notional building CO2 Emissions This section gives the overall CO2 emissions for the Actual and Notional buildings The Rating is currently a of the
3. Page 39 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 1 2 Owner Details This section requires the contact details of the owner of the development im Note These fields are needed to 9 perform an official calculation but i they can be left blank if you just want to perform a Test Calculation 177 Quick Check 5 1 3 Certifier and insurance details This section requires the details of the certifier i e the assessor doing the SBEM calculation tm Note These fields are needed to i perform an official calculation but i they can be left blank if you just want to perform a Test Calculation 177 Quick Check The certifier details in this part of the software can be saved and retrieved using the relevant buttons Load certifier Save certifier details and details This is useful because the certifier details are quite involved need to be correct for EPC production and lodgement and are unlikely to change from one project to the next Page 40 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 1 3 1 Certifier details This screen contains the contact details of the certifier i e the assessor Project Settings Project Name Cae O Building Type Rea o a WeatherZore london y Type of Analysis EPC Engana S rr NOS Level lleas rl Stage of Analysis bl o Y
4. A BuildDesk Carbon Checker version 1 7 User manual build desk save your energy 31 July 2012 2012 BuildDesk Ltd Carbon Checker user manual Contents Table of contents 1 Introduction 1 1 Legislative background suser 1 2 NCM and Part L2 Compliance csceeeseeeeeeeeeeeeeueeueeeeuaes 1 3 When to use Carbon Checker ssssssss2ssu2 2 Installation and Licensing 2 1 Running Carbon Checker as Ordinary User 0s0000 2 2 Using Help Technical Support s sssssss2s 2 3 Per click payments for EPC calculations c scsseesseseeeee 3 Tutorial 3 1 Getting Started and Project Wizard c scsseeeeseeeeeneeeeee 3 2 Building Geometry cccceeseeeeeecueeeeeeeeeeueueueeeeseeeuenseeneaeas 3 3 Windows and Doors suser erne 3 4 Zone Configuration ss ener nerne 3 5 Getting Building to Pass ccecssseseseeeeeeeeeeeneneneeeeneneneeee 4 Getting Started 4 1 Opening New Projects scccceeeeeeeeeeeeeeeeeeeeeeeeeeaeeeneeeanae 4 2 Files and File Menu ccccececeeeeneeeeeeeeeeeeeueeeaueeeeeeeuseeauaes 4 3 Project Wizard c cceeeeeeeeeeeeeeeeeeaeeeeeeeeeaeeaueeeeuaeeaeeouasennags 4 3 1 Introduction PAGE garn eee aaa older 4 3 2 Project SettingS suser ERE RENEE 4 3 3 Building Constructions and Services wesscssessesseeneeseeesesseenens 4 3 4 Renewable Energy SysteMSs ssssuusuusunnnsnnunnunnnnnnnnnnnnnnnnnnnnnn 4 3 5 Wizard End Page wesseseec
5. Zone Volume m I Override The zone volume is calculated as Floor Area Height For special cases like sloping roofs please override the zone volume and enter the exact value Fabric Performance Surfaces inside this zone HVAC Settings DHW Settings Ventilation Settings Exhaust Settings Lighting Information Lue M Zone Ventilation Type Ventilation Natural Mechanical Supply Heat Recovery No heat recovery Note Ventilation is defined at HVAC level Use Default Seasonal Efficiency 0 00 Enter Seasonal Efficiency Manually 0 00 Supply Specific Fan Power Activity requires high pressure drop air treatment Use Default 15 Wiis former HEPA Filters in Zone Q ivii i O Eder Manly BEE wiis Use default from Activity database setting Use user value I Tick if yes I Destratification Fans in Zone Zonal Ventilation Type Chose mechanical ventilation if there is mechanical supply and or exhaust air entering or leaving the zone If both mechanical supply and exhaust are considered the incoming and exhaust air flow rate will be assumed to be the same Mechanical supply is stated in litres second m2 floor area Typical specifications e Offices 1 4 x Zone Height e Retail Halls and Theatres 2 1 x Zone Height e Restaurants 3 5 x Zone Height e Recommended reference CIBSE Guide F Part A Table 7 2 Basic fan capacity benchmarks Supply Specific Fan Power Pleas
6. M System Pack Chiller Type Pack Chiller kw Does it Qualify for ECAs M Seasonal Efficiency Use Default Note In order to Get the Seasonal Efficiency on this tab it is necessary to have filled in all the other required fields on this tab and also on the Heating tab Enter Manually cared The fields on this screen have the following meanings Pack Chiller Type Please select whether your chiller is either air cooled water cooled or provided by a remote condenser Pack Chiller Kw Please specify the nominal electric power of the chiller from the ranges available Does it Qualify for ECAs Does it Qualify for ECAs If the product appears on the Energy Technology List ETL of the Enhanced Capital Allowance scheme the default efficiency is taken to be the minimum required by the ETL at that date For more information on Enhanced Capital Allowances please visit http www eca gov uk Seasonal Efficiency Seasonal Efficiency Please define the cooling system s seasonal efficiency This is defined as cooling demand cooling energy for the generator not the whole system If you know the cooling system seasonal efficiency it can be introduced manually into the interface otherwise a default value for will be used Guidance on the calculation of seasonal cold generator efficiency SEER can be found in the Non Domestic HVAC Guide available on the Department for Communi
7. 7 een and then draw it pressing the button On selecting a different page of the PDF file the previously drawn measurement unit is removed Drawing works exactly the same way as measuring in the normal 2D drawing interface of Carbon Checker First click with left mouse button on the start point then move to the desired destination point and click with the left mouse button a second time During drawing the measurement unit is displayed as a red line with dots and after finishing drawing as a blue line with dots Page 137 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Pagel 1 mF A E e Be Length of measure unitin metres 0 00000 la 415 MESSE ees During Add Measurement Unit Mode the user can use mouse wheel for zoom in out and the panning buttons for reaching the destination point After drawing the measurement unit the user has to enter the length in metres Length of measure unit in metres 4 15000 After that the user can click the OK button If the user clicks the OK button without drawing the measurement unit and entering the length in metres the following error message is displayed r CarbonChecker Please add a measure unit Please enter the length of the measure unit in metres l After that the selected page of the PDF file is displayed in the normal 2D drawing interface with the
8. Current Project Test 1 Coordinates 0 413m 5 875m Current View Plan It is where you will initially create the zones 8 that make up the building You can also use it to movels2 copy lo and deleteho zones attach a CAD file hst to trace over measure distances and zoom s2 and pan s3 around the area There are also a number of different views s1 that you can use Page 80 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 1 1 im Note Context Sensitive Help can be 7 accessed at any time within Carbon Checker on any screen by pressing Fi View Selection There are 5 different 2D Views They all allow zone creation movement deletion etc from all angles They provide a different view of the building which can be useful View Description Activated b Plan The view that is likely to be 2D View Plan used most commonly It is an View CTRL 1 overview of the building as i looked at from above Right The view of building as looked 2D View Right at from the right hand side View CTRL 2 T at from the left hand side View CTRL 4 The view of building as looked at from the back View CTRL 5 The Origin be turned on and off by selecting 2D View Display Origin from 0 he view of building as looked 2D View Front at from the front View CTRL 3 the menu or select the Display Origin button from the Toolbar When turned on the origin will be visible in the 2D
9. use initiative to insulation select suitable materials It may be necessary to investigate impossible then any assumptions made must err on the pessimistic side The standard databases allow this based on Page 198 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources Item Requirements Potential issues and experiences New build and Existing building refurbishment construction date assuming compliance with the then current Building Regulations Building Services Description of plant and its control schedules of plant sizing including fans Detail drawings and schedules should be available Are available What they held on site degree of detail dojor by a they show For maintenance or instance is it other remote possible to work contractor Is out specific fan there a building power from fan log book How up power and air to date are they quantity Has the What degree of i i detail do they installation been show Have there left to equipment been changes suppliers and such as plant installers If so replacement or to Are drawings and schedules could they the control inadvertently philosophy compromise the design intent If written information is not available the plant will need to plant rooms and familiar with plant type and specifications It can be difficult to identify systems from simple visual inspection Any assumptio
10. Cancel Additional thermal bridging at junctions and around openings which is not covered by Accredited Construction Details or MCRMA guidance needs to be accounted for Where additional thermal bridges are know for a door please describe in this facility The fields displayed have the following meanings Multiplier Number of thermal bridges of each type Length Length of the thermal bridge Psi W mK Linear thermal transmittance Description A description of the extra Thermal Bridge Select OK to commit any changes or Cancel to exit without committing the changes 6 3 1 3 6 Copy Door This is invoked from the Surface screen by right clicking on a door selecting Copy Door This takes a copy of the selected door and places it in the paste buffer ready to be pasted Page 122 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 1 3 7 Paste Door This is invoked from the Surface screen by right clicking on an empty part of the surface and selecting Paste Door This will be available if a door has been copiedl2 The copied door will then be pasted at the selected location 6 3 1 3 8 Delete Door This is invoked from the Surface screen or the TreeView 143 by right clicking on a door and selecting Delete Door 6 3 1 4 Undo Redo Undo and Redo are features whereby any change that you make can be undone Then if you realise you actually wanted the change you can re do it It is possible f
11. Construction Names mm Note At least one of each type External and Internal Construction Name has to be defined in order for the Floor Ceiling Constructions to be considered to have the minimum necessary for the button on the main screen to turn green When either Edit or Add is selected the following screen appears Add Floor Ceiling Construction information Name Import From Library C Inference Procedures C Enter Manually Import From Library Category Library M Inference Procedures Sector Date Construction Type U Value Internal Heat Capacity 1 Internal Heat Capacity 2 You select the Name for the Construction This can be anything you like but should ideally be something sensible e g External Concrete Floor The other fields on this screen have the following meanings Import From Library If this radio button is selected then you select the Category and the Library This then automatically determines the U Value and the Thermal Capacity Inference Procedures If this radio button is selected then you select the Sector Date and Construction Type This then automatically determines the U Value and the Thermal Capacity This is used to infer the settings for construction types in an existing building Enter Manually You manually enter the U Value and both Thermal Capacity values Page 50 2012 BuildDesk Ltd Carbon Checker user manua
12. Heat Source Please specify the type of heating system from the list provided If you are not familiar with the listed systems please consult your M amp E consultant or contractor The most common system specified is the LTHW Low Temperature Hot Water boiler Fuel Type Please specify the fuel to be supplied The fuel type selected has a major impact on the building s CO2 performance due to the different carbon intensities associated with the fuels The CO2 emissions factors for each of the fuel types are listed in Building Regulations Approved Document Part L2A Table 2 In general the use of electricity as a fuel will result in highest carbon emissions Does it Qualify for ECAs If the product appears on the Energy Technology List ETL of the Enhanced Capital Allowance scheme the default efficiency is taken to be the minimum required by the ETL at that date For more information on Enhanced Capital Allowances please visit http www eca gov uk Installed During or After 1998 Whether the system was installed during or after 1998 or not Seasonal Efficiency Please define the heating system s seasonal efficiency This is defined as heating demand heating energy for the heat generator not the whole system Page 62 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services If you know the generator efficiency it can be introduced manually into the interface otherwise a de
13. I Translucency Windows Doors Isometic View Plan View OK Save Image Copy Image 3 3 Windows and Doors 31 Next we need to add windows and doors Go to Surface 5 of the first zone right mouse click and select Edit Surface from the menu 32 In the following screen select the button and enter 40 glazing This will add glazing to 40 of this surface Do the same to Surface 5 of the second zone Page 22 2012 BuildDesk Ltd Carbon Checker user manual Tutorial Note Ii ether the pascertage oF the suface a mislead of ary merdo that you may have desgred on the nan mal zeen jea ae uted the value wil be weed 33 On the back of the two classrooms we need to add exactly 14sqm of glazing so select Edit Surface again by right mouse clicking Surface 3 of the first zone Click the button again but this time enter a glazing surface area of 14 Click OK close and do the same to Surface 3 of the second zone 34 Finally we need to add doors In a similar way select Surface 6 of the first zone but this time manually draw a door by selecting the Rectangular Door button d You may like to switch the grid on as a guide and keep an eye on the co ordinates in the bottom right of the screen until you get an area of 4 5m Once you release the mouse after drawing you are given the opportunity to put in the exact coordinates manually Repeat on Surface 4 of the second zone 3 4 Zone Configuration 35
14. No use default value C Yes coefficient is W K a OK Cancel nand Auxiliary energy amp distribution losses Edit Renewable information for Solar Hot Water System Name New system Collector parameters Solar storage amp Collector loop Auxiliary energy amp Distribution losses Distribution losses Ausiliary energy consumption Are the distribution pipes between the SES and Circulation system thermosiphon system the back up system insulated Do you know the nominal power Paux of pumps No Cc C Yes No use default value Yes Paur is Ww OK Cancel Page 75 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 10 2 Where more detailed information on the solar hot water system has to be entered To accept the changes you have made select OK To abandon them select Cancel Photovoltaic Systems A photovoltaic solar electricity generation solar collector system can be described in this section The energy generated from this system will offset grid electricity and reduce the CO2 impact of the building A typical installed photovoltaic PV system will cost approximately 800 m2 installed A detailed feasibility study is recommended before such a system is specified This will identify the potential electricity generation for a specific roof and give a more detailed assessment of system cost and pay bac
15. as shown below Warning There are no Renewables defined These warnings can be ignored but may have an effect on the readibility of the Reports produced following calculation They also may draw your attention to factors worth considering in the design of your building Do you wish to continue with the calculation anyway Don t show this again However the above screen may not be shown if there are no warnings to report or if you have previously turned this off using the Don t show this again checkbox Page 169 2012 BuildDesk Ltd Carbon Checker user manual Running the SBEM calculation 11 2 If you select Yes on the dialog or if the dialog does not appear then the next dialog to be displayed is as follows Carbon Checker Type a brief description for this attempt Carce Here you are asked to enter information about this attempt The reason for this is because each iteration of the calculation is stored and can be compared 17f with previous runs Therefore it is useful to name the calculation run each time perhaps with respect to what has changed So for example if you have added 50 glazing to the South of the building to see if this improves your rating then the comment should indicate this It will make it easier for you to be able to see what has changed if you run multiple calculations with slight modifications to the project each time Finally you will see the progress bar as the data
16. including zones obscuring each other will be selected If zones clash they turn red Move Zone Mode In this mode you can move zones around the 2D View 80 In order to enter Move Zone Mode select 2D View Move Zone Mode from the menu or select the Move Zone s button from the Toolbar The mouse cursor will be a 4 way thick arrow when the mouse is moved over the 2D View part of the screen Now if you hold down the left mouse button and move when you are over any selected zones s they will move It is also possible to Move a Zone s Precisely 93 tm Note You will need to Select sa lt 3 zone before you use the move tool Page 92 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 2 6 6 2 7 Move Zone s Precisely Move Zone s Precisely This feature allows you to move a selected zone s2 or a group of selected zones very precisely This can be useful for example if you have a number of zones that make up a floor of a building and you wish to e g move them all vertically by 3 metres In order to move the zone s in this way select the zone 92 s and then select Move Zone s Precisely from the menu or select the same option after right clicking on the zone s in the 2D View 807 or TreeView h4 A screen similar to the following will be displayed Move Zone s Precisely Xx Coordinate Shift m j 000000 Y Coordinate Shift m 0 000000 Z Coordinate Shift m 0
17. m 36 Building Type Office Height m 3 000 Zone Activity Open plan fice Sr Zone Volume m 102 000 I Override The zone volume is calculated as Floor Area Height For special cases like sloping roofs please override the zone volume and enter the exact value Fabric Performance Surfaces inside this zone HVAC Settings DHW Settings Ventilation Settings Exhaust Settings Lighting Information 14 gt IV Use HVAC for this Zone HVAC Type HVAC for the Example Building z IV Use Default This is where you can set the zone s HVAC type You can also get to this screen by selecting Zone Edit Zone HVAC Type CTRL H from the menu If Use HVAC for this Zone is unchecked then there is no HVAC for this zone Otherwise you can either select the HVAC Type from the available drop down list or check Use Default to use the default defined HVAC Settings s7 Remember If a space is not directly heated but is heated by an adjacent zone this is considered to be an indirectly conditioned space It is treated just as if it is a conditioned space served by the HVAC system that serves the adjacent zone Page 153 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 4 DHW Settings f Zone Settings for Example zone Zone Name Example zone Space Type Conditioned adjoining space x I Zone is Placeholder only Floor Area m 36 Building Type Off
18. metres apart then these surfaces would be considered to be adjacent If they are 0 22 metres apart they would both be considered by Carbon Checker to be two external walls with a very small 2cm gap between them Once adjacency is determined the thickness for that portion of the wall is not used any further In order to edit a surface s thickness select Surface Edit Surface Thickness CTRL T from the menu or select the same option after right clicking on a single surface in the 2D Viewls or TreeView 143 or double click the surface in the TreeView You will be presented with a screen similar to the following Edit Surface Thickness Thickness 2500 al Metres coe Here you can set the external thickness of the surface tm Note The default thickness of 9 surfaces can be set in the Options i screen available under Tools Options 188 Once you have finished editing the surface thickness you can select OK to commit the changes or Cancel to abandon them Page 128 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 3 6 3 4 Edit Surface Construction and Construction Parameters This allows you to determine the internal and external construction types for a surface In order to edit a surface s construction information select Surface Edit Surface Construction and Construction Parameters CTRL P from the menu or select the same option after right clicking on a single surface in
19. 000000 omes Simply select the number of metres in each direction you wish to move the zone s by and select OK If you have changed your mind and do not wish to move select Cancel tt Note Moving zones in this way is a i relative shift In other words if you move a zone im in the Z coordinate then it will move to its current Z coordinate 1m Edit Zones in 3D This feature allows you to Edit a zone in 3D This is necessary to do things like make a wall sloping or turn a ceiling into a sloping roof In this mode you can move the vertices of the zone to change its shape or move surfaces or zones so that they are more precisely positioned in the 3D space The Zone in 3D editor is always a wire frame rendering You can select the 3D Zone Editor by selecting Zone Edit Zone in 3D CTRL SHIFT 3 from the menu or selecting the same option from the right click context menu on the zone in the 2D View 80 or the TreeView 143 You will Page 93 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry be presented with a screen similar to this BF 3D Zone Edit Office 3 Ground Floor Do not show Windows Doors C Outline Windows Doors Vertex No O x Coord O Y Coord O Z Coord 0 000000 T 14 000000 T 0 000000 0 000 H 7 500000 H 14 000000 H 0 000000 Adjust Selected 7 500000 7 000000 0 000000 C 0 000000 C 7 000000 C 0 000000 mn 0 000000 14 000000 3 000000 lsometric
20. 1 2 1 Create Rectangular Window In order to enter Create Rectangular Window Mode select Surface Create Rectangular Window Mode from the menu or select the Create Rectangular Window Mode button from the Toolbar E The mouse cursor will turn into a cross hair when the mouse is moved over the Surface part of the screen In order to create a rectangular window press the left mouse button where you wish the window to start Hold down the left mouse button and move to where you want the window to finish You will see an outline of the window appear as a dotted rectangle as you move When you are happy with the window release the left mouse button You will be presented with a dialog like this where you can fine tune or be more specific about the dimensions of the window Opening Settings Width aj Metres Height aj Metres The fields on this screen have the following meanings Width Width of window Height Height of window Page 108 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry When created the window should look something like this Edit Surface 4 for Zone New Zone 3 Area 26 6085m Edit Surface Tools Thermal Bridges 7 ADCP e Rectangular windows can be drawn across the boundary between splitho surfaces the appropriate window areas will be allocated to each surface part 6 3 1 2 2 Create Freehand Window In order to enter Create Freehand W
21. 176 P results compliance 171 results energy consumption by end uses panning in 2D 126 175 panning in surface mode 126 results historic 178 panning increments setting 185 results monthly consumption by enegy uses Part L 7 194 174 paste zone 100 results monthly energy consumption by fuel paste zone attributes 162 type 176 PDF results comparison 171 attach file 134 roof constructions add edit delete 53 detach file 134 roof zone 89 PDF import 131 rotate zone 101 photovoltaic systems 76 run SBEM 169 photovoltaics 188 Picture attach file 139 za S detach file 139 SBEM 169 193 196 Picture import 131 SBEM outputs 171 Page 209 Carbon Checker user manual Index SBEM results 170 SBEM timeout setting SCoP 57 Scroll Using Scroll Bar Mouse seasonal efficiency 64 SEER 57 selection mode SER 171 195 shadow layers SHW 188 snapping 83 solar hot water solar transmittance start plane 86 status bar 187 surface adjacencies panning in 126 zooming on 126 surface construction surface grid 127 surface nodes 145 surface options 127 surface thickness 185 surfaces 104 edit 105 surfaces inside the zone system adjustment HVAC system M amp T 67 system metering 185 185 124 141 73 188 188 129 129 152 66 67 system warns for out of range values T Target Emission Rate TER 171 technical support 12 TER 171 194 test compliance 177 thermal bridges 45 46 thermal bridges metal
22. 66 HVAC ventilation 65 HVAC controls 68 HVAC settings 153 HVAC Types add edit delete 188 sa Image import 131 import from library 51 Improvement Factor IF 171 inference procedures 51 installation 10 intelligent snapping 83 185 internal constructions 49 iSBEM 188 193 isometric view 93 I layer nodes 143 layers 141 143 shadow layers 141 licensing 10 Light Transmission L Solar 188 lighting controls 158 lighting information 157 line thickness 185 Low and Zero Carbon Benchmark LZC 171 Page 208 O 2012 BuildDesk Ltd Carbon Checker user manual Index placeholder 149 M plan view 179 project new 28 M amp T 188 project open create 28 main screen 35 project name 37 manual adjacencies 129 project node 143 MCMRA 188 project wizard 30 35 merge zones 101 projects existing 28 Microsoft Data Access Components MDAC projects recent 28 10 PV 76 modular portable building 37 PVS 188 move zone 93 move zone precisely 93 move resize opening 124 Q quick check 177 National Calculation Methodology NCM 7 R S NCM 7 193 recent file list 29 Notional Building 171 recirculation 65 Notional Emission Rate NER 171 recommendations 164 165 rectangular door 118 ne O rectangular window 108 rectangular zone 85 open a project file 28 redo 179 openings warning 185 renewable energy systems 72 188 orientation 184 RES 72 188 owner details 40 results 170 results asset rating
23. Again checkbox on this screen Select Next to move to the next page or Exit to quite the wizard If you quit you will be prompted to make sure you wish to quit 3 3 Note This wizard page will not be shown if the Don t Show This Again checkbox has previously been checked in the wizard v3 A Project Settings This wizard page gives you the opportunity to set the general Project Settings values It contains exactly the same controls as if you had selected the Project Settings option from the menu See Project Settings 37 for a description of these controls Select Next to move to the next page of the wizard or Previous to move to the previous page If you try to leave the page without having filled in all required fields for at least a test run of the calculation you will be prompted Page 31 2012 BuildDesk Ltd Carbon Checker user manual Getting Started em Note The Previous button will not IT be available if Don t Show This i Again has been checked on the previous page 4 3 3 Building Constructions and Services Project Wizard Building Constructions and Types M Constructions Types S a HR came ster mee ere Note At least one Construction Type must be set up for most of the above settings Once at least one has been set the button will tum green or will already be green if it is not necessary to populate it If you only define one for any of them then this will auto
24. B L2 and C L1 tested at 400 Pa negative The CEN classes L1 L2 L3 for air handling units correspond to the Eurovent 1 classes C B A respectively Page 66 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 7 6 For more information on the CEN classes please visit www eurovent certification com Control Correction Edit HVACType information for Name HVAC Type I This System Uses CHP Heating Cooling Ventilation System Adjustment e This System has Provision for Metering This System has M amp T with alarm for out of range values Cancel The fields on this screen have the following meanings This System has Provision for Metering This question relates to the benefits that can be claimed for Automatic Metering and Control Features in Approved Document ADL2A This refers to either energy metering of plant and or metering of plant hours run and or monitoring of internal temperatures in zones If your planned or installed system does have provision for metering and the system provides out of range alarms then a 5 control correction will be provided and thereby benefit energy performance This System has M amp T with alarm for out of range values If your planned or installed system does have provision for metering Monitoring and Targeting and the system provides out of range alarms then a 5 control correction
25. Cancel The controls on this screen work as follows e The Solar Hot Water Systems combo box contains a list of all the existing SHW Systems that have been set up for this building e The Edit button allows you to edit the currently selected Solar Hot Water System This is not available if there are no existing Solar Hot Water Systems e The Add button allows you to add a Solar Hot Water System e The Delete button allows you to delete the currently selected Solar Hot Water System This is not available if there are no existing Solar Hot Water Systems When either Edit or Add is selected the following screen appears Page 73 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Edit Renewable information for Solar Hot Water System Name New system Collector parameters Solar storage amp Collector loop Auxiliary energy amp Distribution losses DHW Generator Unasigned orm Orientation South Inclination 60 Area nr 0 0 4 r Do you know the collector performance parameters Multiplier from EN 12975 2 No use default values from Fiat Panel C Yes values are no al W m2K a2 W m2K JAM OK Cancel Enter the name for the Solar Hot Water System This can be anything you like but should ideally be something sensible e g SHW System Type 1 The dialog is split into three tabs The first tab is Collector parameters as
26. Checker user manual Project Settings Construction Types and Services constructions that have been set up for this building e The Edit button allows you to edit the currently selected Construction Name This is not available if there are no existing Construction Names e The Add button allows you to add a Construction Name e The Delete button allows you to delete the currently selected Construction Name This is not available if there are no existing Construction Names terme Note At least one external door has to be defined in order for the Door Constructions to be considered to have the minimum necessary for the button on the main screen to turn green When either Edit or Add is selected the following screen appears Add Door Construction information Name Import From Library C Inference Procedures C Enter Manually Import From Library Category Library Inference Procedures Sector Date Construction Type U Value Internal Heat Capacity 1 Internal Heat Capacity 2 Cancel You select the Name for the Construction This can be anything you like but should ideally be something sensible e g External Door Type 1 The other fields on this screen have the following meanings Import From Library If this radio button is selected then you select the Category and the Library This then automatically determines the U Value and the Thermal Capacity Inference Procedures
27. Constant volume system fixed fresh air rate Heating amp Cooling An all air system in which the volume of supply air is fixed though the proportion of fresh and recirculated air may vary modulated to match the cooling demand Assumed to also provide heating possibly also with separate perimeter heating system if provided with local reheat capability use Terminal reheat option This category includes packaged rooftop units Constant volume system variable fresh air rate Heating amp Cooling Constant volume system in which the proportion of fresh air can be varied to limit chiller operation free cooling economiser Multizone hot deck cold deck Heating amp Cooling A central air handling unit has separate hot and cold decks Mixing takes place at the Air handling unit and air is supplied to each zone through a single duct per zone Assumed to also provide heating possibly also with separate perimeter heating system Terminal reheat constant volume Heating amp Cooling Cooled air is supplied centrally and reheated locally to the desired supply temperature for each zone Assumed to also provide heating possibly also with separate perimeter heating system Dual duct constant volume Heating amp Cooling Hot and old air are distributed separately commonly at high pressure and locally mixed to provide the desired supply temperature for each zone Assumed to also provide heating possibly also with separate peri
28. If at any point you make a mistake click the right mouse button and this will remove the most recently added vertex Page 119 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry fas 7 at least 3 vertices otherwise it cannot physically exist When you wish to finish the freehand door you do not need to link the first and last vertices manually this will be done when you close the door by pressing C or Enter on the keyboard When created the door should look something like this Edit Surface 4 for Zone New Zone 3 Area 26 6085m Edit Surface Tools Thermal Bridges sid a DPS QQaQ 8 T Freehand doors can be drawn across the boundary between splitho surfaces the appropriate door areas will be allocated to each surface part 6 3 1 3 3 Edit Door Construction Type This screen is invoked either from the Surface screen by right clicking on a door or right clicking on a door node in the TreeView 1437 in the main screen and selecting Edit Door Construction Type You will be presented with a screen similar to the following Edit Door Construction information IV Use Default Cancel If any door construction s51 types have been configured for the project then they will be listed here and can be selected If you select Use Default then Page 120 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry the default door constructi
29. If this radio button is selected then you select the Sector Date and Construction Type This then automatically determines the U Value and the Page 52 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Thermal Capacity This is used to infer the settings for construction types in an existing building Enter Manually You manually enter the U Value and both Thermal Capacity values To accept the changes you have made select OK To abandon them select Cancel 5 5 Roof Constructions Roof Constructions are used in the project to define what types of roofs exist in the building When the geometry 807 of the building is defined these constructions are applied to the surfaces that are roofs The default Roof Construction will automatically be applied for all roofs These can be modified individually by editing the Surface Construction and Construction Parameters 129 The Roof Constructions can be edited by selecting Building Configure Roof Constructions from the menu or pressing the Roof Construction button at the left of the screen that looks like one of these Roof Roof Construction Construction In addition the Roof Constructions are available through the button on page 3 32 of the Project Wizard Edit Roof Constructions External Constructions Make Default Construction Name EEE Sy Yi Default Edit Add Delete There is only one set of control
30. Name for the Project Tutorial 1 New Classroom 3 Begin the Project Wizard 4 Enter the Project Settings minimally the Building Type Weather Zone Electric Power Factor and fill in the tabs Building Details Owner Details and Certifier Details In this example our Building Type is Primary School Weather Zone is Manchester and Electric Power Factor is 0 9 0 95 Page 14 2012 BuildDesk Ltd Carbon Checker user manual Tutorial Project Wizard Project Settings Project Name Tutorial 1 New Classroom Buking Type PRIMARY SCHOOL x WeotherZone Manchester X Type of Analysis England and Wales Buking Regulations Past L z Global Ai Permeabilty at 50p N1000 ad et Pht Stage of Analysis Asdesred gt Buking Height Om Electic Power Fact agas Te ne Floor Area t ovenide IT Buking Uses Light Metering FT System wams for outolvange vakas Project Detads Building Detads Owner Detads Certifier Detats Thermal Bridges Metal Cladding Thermal Bridges Non Metal Cladding It is not necessary to fil the fields in this tab in you only want to perform a Quick Check They wil be needed for a ful SBEM calculation though Tutorial School Southampton 5 Click Next on the Project Wizard 6 The next screen shows the default building constructions and services needed at least one of each internal and external where appropriate needs to be entered The buttons will turn green whe
31. View O 7 500000 C 14 000000 C 3 000000 Plan View 7 500000 7 000000 O 3 000000 C 0 000000 C 7 000000 C 3 000000 OK Cancel o wio Nn BW Nm To rotate the view around the zone in 3D space hold down the left mouse button and move it on the 3D viewer To zoom in and out either use the scroll wheel when over the 3D viewer or hold the right mouse button down and move up or down The direction the scroll wheel mouse moves the zoom can be reversed using the Reverse Scroll Direction tool in Tool Optionshs The centre point of the view will always be the centre of the zone so if for example you move the entire zone this will not be evident in the 3D view on this screen to know which co ordinates to use is as follows e Changing the X Co ordinates moves the vertex vertices from side to side e Changing the Y Co ordinates moves the vertex vertices front to back e Changing the Z Co ordinates moves the vertex vertices up and down tm Note A useful general rule of thumb The controls on this screen are used as follows Do not show Windows Doors ensures that any windows and doors for the Page 94 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry zone are not visible as with the screenshot above RI 3D Zone Edit Office 3 Ground Floor C Do not show Windows Doors Qutline Windows Doors Vertex No O X Coord O Y Coord Z Coord 1 0 000000 14 000
32. Zoom Extents button Ron the toolbar which will pan and zoom the current view so that the entire model just fits into the current Surface window 6 3 1 8 2 Panning on the Surface View Panning is the ability to move around the current view to see parts of the surface that perhaps are not visible in the current scale Panning can be performed by using the arrow direction buttons see left that surround the Surface View You can also use the Surface Pan Origin option from the menu or the Pan Origin button on the toolbar which will pan the current view so that the centre of the surface is in the centre Page 126 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 1 9 Grid on Surface View The grid is used in the Edit Surface 10 screen to ensure that openings windows and doors when created and moved are aligned in a particular way This is known as snapping Basically when you click the mouse on the surface to create an opening point the position that is selected snaps or jumps to the nearest grid point The points are visible on the screen as dots by default this can be changed to lines or dotted lines through options 12 in the surface menu The grid can be turned on and off by selecting Surface Use Grid CTRL G or selecting the Use Grid button from the Toolbar H 6 3 1 10 Surface Options There are a number of Surface settings that can be changed to suit your preferences You can se
33. and Licensing 4 Using Windows Explorer ensure that all Users have full control over the folder C Program FilesYCarbon Checker Version 1 1 or wherever Carbon Checker was installed if this was overridden during the installation process tm Note If a new license key for Carbon Checker is issued e g when renewing an annual license it will be necessary for an Administrator to log in and enter the license key in Carbon Checker 2 2 Using Help Technical Support A full help system is available for Carbon Checker It can be accessed in the following ways e By selecting Carbon Checker Help from the Carbon Checker Menu in the Start Menu in Windows Carbon Checker does not even need to be running to access it in this way e By selecting Help Display Help menu item from the main menu e By pressing F1 on any screen at any time The help provided in this way is Context Sensitive In other words it will jump to the relevant section in the help system for wherever you happen to currently be within Carbon Checker Within the Help System you can use the Table of Contents to browse down to topic you require or search in the Index by clicking on the Index tab We hope this help system which is also reflected in the manual installed with Carbon Checker accessible from the Windows Start menu provides the answers that you need However on the hopefully rare occasions when you need more help please contact us e Via ou
34. and Power is used in the project to define what types of CHP System if any exists in the building The CHP is associated with one or more HVAC Types 57 The CHP can be edited by selecting Building Configure CHP from the menu or pressing the CHP button at the left of the screen that looks like one of Page 70 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services these Eid CHF Types t CHP Types In addition the CHP Types are available through the button on page 3 32 of the Project Wizard provided CHP has been activated via the HVAC Types settings Edit CHP Fuel Type Thermal Seasonal Efficiency Building Space Heat Supplied 50 Building DHW Supplied 50 Heat to Power Ratio 100 Add DHW Type Information I This DHW is Post 1998 Heat Generator Type Dedicated DHW boiler Fuel Type Natural gas x I This is a Storage System FT This System has Secondary Circulation Storage Volume litres Storage Losses MJ month a Circulation Losses W m Pump Power kw Generator Seasonal Efficiency Use Default iec oo Enter Manually 0 000 Canea You select the Name for the CHP Type This can be anything you like but should ideally be something sensible e g CHP Type 1 The other fields on this screen have the following meanings Fuel Type Please select a fuel type for the CHP from the list provided T
35. as the time averaged ratio of energy passing through the un shaded element to that incident upon it Total solar energy transmittance values given by windows manufacturers are usually given for solar radiation perpendicular to glazing g perp However SBEM uses monthly calculations and therefore a value g averaged over all angles of incidence is required Accepting some simplifications this value can be obtained by multiplying g perp by a factor of 0 9 For windows or other glazed envelope elements with non scattering glazing ISO 9050 or EN410 provide a method to obtain the solar energy transmittance for radiation perpendicular to the glazing The following recommendations have been taken from Annex G of the CEN Standards prEN 13790rev May 2005 The energy transmission through transparent surfaces depends on the type of glass The following table provides some indicative values for normal incidence g perp assuming clean surface and normal untainted glass Glazing Type g Single 0 85 Double 0 75 Double with 0 67 selective coating Triple 0 7 Triple with 0 5 selective coating Double Window 0 75 Effect of permanent curtains Curtains placed permanently inside or outside the windows reduce the global transmission of solar radiation Some reduction factors are given in the following table These factors are multiplied by the total solar energy transmittance of the glazing to obtain the g factor of the glazing w
36. at the bottom right of the screen to give a zone length and width Draw a zone to be 8m horizontal x 7m vertical 22 On releasing the mouse a dialog box comes up which asks you to define the start plane and height of the zone since so far you have been designing in 2D In this example we have left the start plane at 0 and entered 3 5m for the zone height ME BuildDesk Carbon Checker Unsaved 23 To make the last two steps even easier you may like to upload a CAD file from the menu bar at the top Select CAD Import gt Select Files for Tracing 24 If any amendments are needed right mouse click on the zone in the treeview and select Edit Zone in 3D You can then move any vertex in an X side to side Y front to back or Z up and down axis This takes a bit of practice to get used to but the trick is to compare figures which are nearly the same These are likely to be the ones that should be the same and should be adjusted accordingly For more information visit the Help System Manual under Editing in 3D 25 For this example there is an integral roof the classrooms with a slope facing south possibly for Solar PV panels in the future This roof rises to 5m at the northern end In order to amend the zone we need to look at it in the 3D view editor Right mouse click on the zone in the treeview and select Edit Zone in 3D 26 In the coordinates table first highlight the first two vertices at 3 5m in the Z coordina
37. certifier lt is not necessary to fill the fields in this tab in if you only want to perform a Save certifier details Quick Check They will be needed for a full SBEM calculation though details Certifier details Related Party Disclosure Transaction type Insurance Related party disclosure Transaction type The options available for the related party disclosure are lt Choose one of the following options gt If there is no relationship with the building gowned that could be considered to pose a potential conflict of interest choose the options marked Not related to the owner The options available for the transaction type are Page 43 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services lt Choose one of the following options gt 5 1 3 3 Insurance 5 1 4 The professional indemnity details of the assessor needs to be entered in this section These details should match exactly those held on the assessor by the accreditation scheme If there are differences this might lead to the failure of an attempt the lodge the EPC Building settings Building Height This is the height of the building from the bottom of the lowest zone to the top of the highest zone Building Floor Area m2 This is the total floor area of the building in m2 The Override checkbox can be used to override this value and manually enter your own value Elect
38. cladding 160 thermal bridges non metal cladding thermal bridging additional 188 thermal capacity 188 toolbar 35 tools options top menu 185 35 37 161 training 12 treeview 35 143 adjacency nodes 146 door nodes 147 layer nodes 143 project node 143 surface nodes 145 window nodes 147 zone node 144 trial licenses 10 tutorial 14 undo redo 179 undo redo memory allocation 185 unheated space 89 UPRN 39 u value 188 ventilation HVAC 65 ventilation settings 155 verbose error messages W wall constructions add edit delete wall thickness define 185 warn about openings for vertex modification 185 weather zone wind turbines window draw freehand draw rectangular edit glass type edit settings move resize window nodes windows edit thermal bridges glazing override 114 global settings 116 windows copy edit delete 185 46 37 77 109 108 110 111 124 147 113 114 Page 210 O 2012 BuildDesk Ltd Carbon Checker user manual Index wizard 30 X X axis grid spacing 185 Y Y axis grid spacing 185 ae zone copy 100 copy attributes 161 delete 101 DHW settings 154 edit in 3D 93 edit settings 149 exhaust settings 156 fabric performance 151 freehand draw 86 HVAC settings 153 lighting controls 158 lighting information 157 move 92 paste 100 paste attributes 162 rectangular draw 85 roof creation 89 rotate 101 surfaces inside the zone 1
39. for the DHW Type This can be anything you like but should ideally be something sensible e g DHW Type 1 The other fields on this screen have the following meanings This DHW is Post 1998 If an existing system is being described please state whether it was installed after 1998 Heat Generator Type Please select the type of heat generator from the list provided These include Dedicated DHW boiler A heat generator serving a separate hot water storage unit It does not provide a space heating service Stand alone water heater A unit that combines hot water storage and a heat generator in a single unit It does not provide a space heating service Instantaneous DHW only A water heater with no or limited storage capability e Instantaneous combi A space heating boiler that also provides domestic water heater with very small or no storage capability e Heat pump A heat pump providing only domestic water heating service e Same as an existing HVAC System Chose this option if the DHW is provided by an existing HVAC system Fuel Type Page 69 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Please select a fuel type for the DHW from the list provided This is a Storage System Please check this box if a storage system is provided Storage Volume litres Where the DHW system has a storage system please state the storage volume in litres Storage Losses
40. is passed through to SBEM and BRUKL before going to the Results 117 section The Compliance Calculation procedures Options and Results are as follows e Calculate Compliance e Results Screens 170 e Quick Quick Test Compliance 177 e Show Historic Results 173 Results Screen The results section is broken down into the e Main SBEM results 17f e Monthly Consumption By Energy Uses Tab 174 e Energy Consumption by End Uses Tab 175 e Monthly Energy Consumption by Fuel Type Tabl e Asset Rating Tabh When you have finished with the Results Screen press OK to return to the main application Page 170 2012 BuildDesk Ltd Carbon Checker user manual Running the SBEM calculation 11 2 1 Main SBEM results This tab contains the main results of the calculation Results Energy Performance Energy Consumption by End Uses Monthly Energy Consumption by End Uses Monthly Energy Consumption by Fuel Type Asset Rating Overheating risk Graphical Assett Rating EMO EPC England Please note that these results ordy deal with cenon 1 of Part L2A ____ EM Owes Building Emissions Rate BER 92 1 kgCO2 m Data Reflection Actual Buking eee Target Emissions Rate Part L 85 6 kgCO2 m Bulking Typical Emissions Rate Typical 166 3 kgCO2 m F reren Energy Performance Certificate EPC Recommendations Report EPC Ratin g 3 EPC St S Standard Emissions rate SER 75 6 kgCO2 m ry BR Baky R ngand W Note
41. is selected the zone becomes selected in the 2D View 8 and the Zone sub menu in the main menu becomes available You can also right click on the Zone Node to get the same menu options They are e Edit Zone in 3D 93 Edit Zone Settings 1497 Copy Zone s 100 Paste Zone s 100 Delete Zone s ho Rotate Zonelton Copy Zone Attributes he Paste Zone Attributes 162 Merge and Remove Merged Zones 10f Page 144 2012 BuildDesk Ltd Carbon Checker user manual The Treeview tre Note If you press the on the rf numeric keypad Key whilst a node is highlighted all nodes below that node will recursively be expanded If you press the Key on the numeric keypad whilst a node is highlighted all nodes below that node will recursively be contracted im Note The checkboxes next to each node are used to turn the node on or off in the 3D view This allows individual Layers Zones or Surfaces to be hidden in the 3D Viewer 173 This feature does not apply to windows or doors which can be turned on or off en masse in the 3D Viewer anyway 7 4 Surface Nodes These represent each Surface in a Zones They are always underneath a Zone Node 14h They contain the following information The Surface number The area of the surface in metres squared The type of surface Floor Roof or Ceiling Wall How many degrees from North the surface is and also the general direction North North East etc Alterna
42. on this screen have the following meanings Zone Name Allows you to define the name of the zone This can also be modified after the zone has been created see Zone Settings h49 Horizontal or Vertical Apex Determines if the Apex runs horizontally across the roof or vertically down the roof in the plan view Start Plane Metres from origin This is the starting plane for the current view For example if you are in plan view then this is the number of metres from the ground If you are in one of the other views then it is the number of metres from the 0 point or origin of the relevant plane Apex Height metres The depth of the roof in the current view This is effectively the height of the roof zone Page 90 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Apex Distance From Wall metres If this is set to 0 then the ends of the roof are vertical otherwise they slope from the bottom to the apex at the point defined Zone Width metres This gives you the opportunity to change the width of the rectangle that you just created This is useful if you want to set the precise dimensions of a zone Zone Height metres This gives you the opportunity to change the height of the rectangle that you just created This is useful if you want to set the precise dimensions of a zone Unheated Space This determines whether or not the zone that you are creating is an unheated space By default roof zones are
43. orientation of the PV collectors from the list provided Inclination Please specify the inclination of the PV collectors in degrees from the horizontal 0 degrees represents a horizontal surface and 90 degrees a vertical surface Area m Please state the area of PV modules to be installed or an area for calculation Multiplier If more than one PV system is to be provided on the building please state the number of collector arrays To accept the changes you have made select OK To abandon them select Cancel 5 10 3 Wind Turbines On site wind turbines can make a significant contribution to a building s energy demand and CO2 impact Many different types and sizes of wind turbine are now available which can be Page 77 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services selected based on the energy demand site and wind availability The amount of electricity generated from a particular wind turbine is strongly depended on site conditions For this reason it is essential that a feasibility study is carried out before such a system is specified This will identify the potential electricity generation for a wind turbine or turbines and give a more detailed assessment of system cost and pay back There is also potential for part funding under the DTI Low Carbon Buildings Programme Edit Wind Generators Wind Generators Po S Edit Delete Add ms Th
44. scale defined by the user by drawing the measurement unit and entering the length in metres Page 138 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 4 3 When displaying the selected page of the PDF file the colour white is replaced by black and black is replaced by cyan blue After a PDF file has been successfully attached you can activate deactivate the viewing of the selected page of the PDF file by Selecting the menu item View PDF Selecting the toolbar button File PDF Attach PDF File for Tracing Detach PDF File v View PDF File PDF Options If no PDF file has been previously attached and the user selects the menu item View PDF File or presses the toolbar button POF the user reaches the Open File Dialog for selecting the PDF file and on clicking the OK button he gets to the PDF Import Options dialog as previously described With the menu item PDF Options the user can get to the PDF Import Options dialogue again to redraw the measurement unit or to enter a different length in metres or both In the normal 2D drawing interface the user can check the scaling of the selected page of the PDF file with the previously existing Measure Distance function m Hf is Oo With the menu item Detach PDF File the user can detach the PDF file Picture import The picture tracing supports the following picture formats Wi
45. significantly different HVAC or lighting system create a separate area bounded by the extent of those services 3 Attribute just one Activity selected from the drop down list available for each building type to each resulting area If the building is speculative and the activity is not fully defined select the appropriate Speculative Activity for the relevant building type 4 Divide each resulting area into Zones receiving significantly different amounts of daylight defined by boundaries which are Page 200 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources e At a distance of 6m from an external wall containing at least 20 glazing e At a distance of 1 5 room heights beyond the edge of an array of rooflights if the area of the rooflights is at least 10 of the floor area But see Automatic zoning for daylight zones 20 5 Merge any contiguous areas which are served by the same HVAC and lighting systems and which have the same Activity within them e g adjacent hotel rooms cellular offices etc unless there is a good reason not to 6 If any resulting Zone is less than 3m wide absorb it within surrounding zones 7 If any resulting Zones overlap use your discretion to allocate the overlap to one or more of the Zones 8 Each Zone should then have its envelopes described by the area and properties of each physical boundary Where a Zone boundary is virtual e g between a daylit pe
46. system Dual duct VAV Heating amp Cooling A VAV Variable Air Volume system with separate supply of hot and cold air Assumed to also provide heating possibly also with separate perimeter heating system Indoor packaged cabinet VAV Heating amp Cooling Local cooling heating unit May supply air directly into room into under floor void or into ceiling void May have terminal units with variable local recirculation rate May have electrical trim heater Volume of air handled is sufficient to handle all the cooling load Assumed to also provide heating possibly also with separate perimeter heating system Fan coil systems Heating amp Cooling Local fanned terminal units in ceiling on wall or on floor with a central chilled water supply May include Page 59 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services fresh air supply Systems may be 2 pipe 3 pipe or 4 pipe changeover or non changeover no distinction is made here Assumed to also provide heating Induction system Heating amp Cooling Air is supplied from a central unit commonly at high pressure This induces a secondary airflow within the terminal unit to achieve an acceptable delivery temperature Final heating or cooling is provided by heat exchangers within the terminal Systems may be 2 pipe 3 pipe or 4 pipe changeover or non changeover no distinction is made here Assumed to also provide heating
47. the 2D View sc or TreeView 1437 or double click the surface in the TreeView You will be presented with a screen similar to the following Edit Surface Construction information for Surface 2 M Contruction Type M Internal M Use Default m External M Use Default Cancel Here you can set the internal and external construction types used for this surface By default the defaults which were defined when the construction types are created are used e g Walll4 Door 51 and Floor 49 Constructions tm Note The default thickness of as T surfaces can be set in the Options screen available under Tools Options lia Once you have finished editing you can select OK to commit the changes or Cancel to abandon them Manually Define External Adjacency WARNING This is an advanced feature You should make sure you are fully aware of how it functions before using it in your project These settings should only be changed if there are extra adjacencies with e g the ground other buildings etc that cannot be modelled using the standard setup An example would be a building that has portions of the walls Page 129 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry underground or a new building that is being built directly adjacent to an existing building im Note Because these settings only EH affect the external part of surfaces if you mo
48. the Project Wizard we click on the HVAC button and add a new type In the resulting dialog box we enter the name Classroom HVAC and select from the HVAC Type drop down Central Heating using water radiators Heating Then in the Heating tab below we select LTHW Boiler and Natural Gas as the fuel It does appear on the ECA list so we select this and then click GET to download the default seasonal efficiency We don t need to worry about any of the other tabs for this HVAC Type Add HVAC Type Information Clatssoom HVAC Corteal rating unng vater iodato Heating bd TF This System Uses CHP Hesting Cooling Ventilation System Adiustment Control Comection System Heat Source LTHW boder v Fuel Type Nabasa gas 7 FT installed During or After 1398 Does t Qually for ECAs ECA tst after 2001 X Seasonal Efficiency Rodat Elficiency Use Deland 08 Ce Det G Use Delak C Enter Manually 3 Enter Manuel foo y On Cancel Page 18 2012 BuildDesk Ltd Carbon Checker user manual Tutorial 14 We will leave the DHW setting as the Default DHW Generator 15 On clicking next the section gives the opportunity to enter Renewable Energy Systems for the building We will skip this for now since it is not essential for compliance 16 Clicking next comes to the end of the initial Project Wizard Click finish to return to the main screen and the butto
49. to Defaults I Reverse Zoom Scroll Direction m Pay Per Click Carbon Checker Code To create an official EPC BER your Carbon Checker Code must be entered here Press F1 for more details Cancel The table below lists the controls above and their meanings X Axis Grid Spacing Allows you to define in metres the distance between grid points for the horizontal screen 2D View See the 2D Grid view s3 topic for more information Y Axis Grid Spacing Allows you to define in metres the distance between grid points for the vertical screen 2D View 83 Show Verbose Error Messages This will be turned off by default This information in verbose error messages may be of use if you are reporting problems to BuildDesk It should only be turned on if requested by technical support ADVANCED Use adjacency with Material Page 185 2012 BuildDesk Ltd Carbon Checker user manual Miscellaneous Features This is a technical option that determines if adjacency with material is sensed when calculating adjacencies It should normally be left as checked and only unchecked if you have been advised to do so for a certain project by a member of BuildDesk technical staff Panning Increment in Pixels Allows you to set the number of pixels the screen moves by when using the buttons around the 2D View to panls 2D Line Thickness in Pixels Allows you to define how thick the lines used to draw the zones s4 in the
50. unheated spaces When created the zone should look something like this in the 2D View A I 6m 5m 4m 3M 2m 1m Om Im 2m 3m 4m Sm 6m Once you have drawn your roof zone you can move 221 it rotate toh it copy 100 and pastelo it deleteltoh it edit it in 3D 93 and amend settings 149 Page 91 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 2 4 6 2 5 Zone Selection Mode In this mode you can select highlight or deselect zones in the 2D View 80 In order to enter Selection Mode select 2D View Selection Mode from the menu or select the Selection Mode button from the Toolbar The mouse cursor will be an arrow when the mouse is moved over the 2D View part of the screen In order to select a single zone simply click on it AS you move over a zone that is not selected it will turn blue When a zone is selected it turns green with its vertices highlighted tm Note if you have a number of zones i that obscure each other e g zones stacked on top of each other in plan view then it will select all of them underneath the mouse when it is clicked For this reason it may be necessary to click on the zone in the TreeView 143 to select it to ensure it is definitely the only zone selected In order to select multiple zones you can left click on the 2D View hold the mouse down and drag a dotted rectangle over the view Any zones contained within this
51. volume and enter the exact value Fabric Performance Surfaces inside this zone HVAC Settings DHW Settings Ventilation Settings Exhaust Settings Lighting Information Lue I Mechanical Exhaust in Zone Mechanical Exhaust Flow Rate 1 50 sim Scope of extract system Former Mechanical Exhaust Exhaust Specific Fan Power Type co Extract fan is remote from the zone Use Default 15 Wiis Extract system serving multiple spaces q Extract fan is within the zone Enter Manually 0 50 Wills Extract system serving a single room Mechanical Exhaust in Zone Check this box if the zone in question is provided with mechanical exhaust e g toilets and kitchen areas Mechanical Exhaust Flow Rate If mechanical exhaust is provided to the zone please give the air flow rate in litres second m2 Exhaust Specific Fan Power Please input the exhaust specific fan power ESFP associated with the current zone ventilation system This will be used to calculate the auxiliary energy associated with the operation of the building You can either use the default value or enter your own ESFP for the zone mechanical ventilation system W I s If you are not sure whether the ESFP meets the minimum requirements under ADLP2 please consult your M amp E designer Page 156 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 7 Lighting Information f Zone Settings fo
52. will be provided and thereby benefit energy performance Page 67 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 7 7 System Controls This is where the HVAC system s controls can be specified Note that these do not affect the Part L calculation results but do affect the EPC outputs This part of the software is nevertheless always made available because it makes sense in a new building to consider the controls at the same time as the rest of the HVAC system when doing the Part L calculation rather than having to revisit these details when an EPC is required 5 8 DHW Types DHW Types Domestic Hot Water are used in the project to define what types of DHW Systems exist in the building When the geometry s of the building is defined these settings are applied to each of the zones By default there will be a DHW Type called Default DHW generator which cannot be deleted This will have standard default settings in it It is recommended that this is the DHW Type you use if there is only one DHW in the building or if more than one then this should be the most common The Default DHW generator will automatically be applied for each newly created This can be modified individually by editing the DHW Type for the zone 154 The DHW Types can be edited by selecting Building Configure DHW Types from the menu or pressing the DHW Types button at the left of the screen that loo
53. with another adjacent zone delete toi it edit it in 3D s and amend settings 149 Roof Creation tm Note Roof Zones can only be Y created in Plan View s If you wish to create a roof type zone in one of the other views you should create them as a freehand zone and describe e g a triangle that has depth In order to enter Roof Zone Creation Mode select 2D View Roof Zone Creation Mode from the menu or select the Roof Zone Creation Mode button from the Toolbar amp The mouse cursor will turn into a cross hair when the mouse is moved over the 2D Viewls part of the screen Page 89 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry In order to create a roof zone press the left mouse button where you wish the zone to start Hold down the left mouse button and move to where you want the zone to finish You will see an outline of the zone appear as a dotted rectangle as you move If you wish to abandon the operation keep the mouse button held down and press the Escape key Alternatively when you are happy with the zone release the left mouse button You will be presented with a dialog similar to this Set Roof Settings Zone Name New Zong Horizontal Apex C Vertical Apex oe 0 0000 Metres from origin Apex Height 3 0000 Metres Apex Distance From Wall 0 0000 Metres Zone Width 1 5000 Metres Zone Height 2 5000 ad Metres V Unheated Space The fields
54. 0 coordinate for the current view is in the centre Grid in 2D View The grid is used in the 2D view s0 to ensure that zones 84 when created and moved are aligned in a particular way This is known as Snapping When you click the mouse on the 2D View to create a zone point the position that is selected snaps or jumps to the nearest grid point The points are visible on the screen as dots by default this can be changed to lines or dotted lines through options in the 2D View menu The grid can be turned on and off by selecting 2D View Use Grid CTRL G or selecting the Use Grid button from the Toolbar H Intelligent Snapping Intelligent Snapping is used in the 2D viewls to ensure that freehand zones 86 when created allow vertices to be aligned both horizontally and vertically with the previous vertex i e it is easier to draw a straight line This Page 83 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry is especially useful when tracing over CAD drawingslhs as it allows you to more easily keep to the edges of a defined zone The tolerance used for determining if the Intelligent Snapping will occur can be set under the Tools Options 1s5 screen Intelligent Snapping and Grid can be turned on or off mid freehand zone creation by clicking the iS iS or Grid H buttons in the toolbar Intelligent Snapping can be turned on and off by selecting 2D View Use Intelligent Snapping CTRL I or selec
55. 00 1 00 1 00 1 00 1 00 1 00 30 0 90 0 89 0 91 0 93 0 91 0 91 0 95 0 92 0 90 459 0 74 0 76 0 80 0 80 0 79 0 79 0 85 0 81 0 80 60 0 50 0 58 0 66 0 60 0 61 0 65 0 66 0 65 0 66 Table 2 Partial shading correction factors for fins Ff il 45 N Lat 55 N Lat 65 N Lat Angle S E W N s esw N S Eew N loo 1 00 1 00 1 00 1 00 1 00 1 00 1 00 1 00 1 00 302 0 94 0 92 1 00 0 94 0 91 0 99 0 94 0 90 0 98 1452 0 84 0 86 1 00 0 86 0 83 0 99 0 85 0 82 0 98 602 0 72 0 75 1 00 0 74 0 75 0 99 0 75 0 73 0 98 Page 112 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry f r Note The effect of shading from the 2 horizon in the form of ground relief trees buildings etc has not been considered in these factors Therefore SBEM does not include for these factors in calculations performed 6 3 1 2 5 Edit Window Thermal Bridge Settings This screen is invoked either from the Surface screen by right clicking on a window or right clicking on a window node in the TreeView 143 in the main screen and selecting Edit Window Thermal Bridge Settings You will be presented with a screen similar to the following Edit Thermal Bridge Settings Multiplier Lenath m Psi W mk Cancel Additional thermal bridging at junctions and around openings whi
56. 000 0 000000 0 000 20 7 500000 14 000000 0 000000 Adjust Selected 3 0 7 500000 C 7 000000 C 0 000000 4 0 000000 C 7 000000 C 0 000000 o 5 C 0 000000 C 14 000000 C 3 000000 isomeuie yee 6 7 500000 14 000000 3 000000 Plan View 7 O 7 500000 7 000000 3 000000 8 0 000000 7 000000 3 000000 OK Cancel Outline Windows Doors ensures any windows and doors for the zone are visible in wire frame as above The Vertex Grid is used in conjunction with the Adjust Selected button You select the vertices and the axis you wish to change and then adjust them by the number of metres Page 95 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 1 3D Zone Edit Office 3 Ground Floor C Do not show Windows Doors Outline Windows Doors Vertex No CX Coord O Y Coord O Z Coord 0 000000 14 000000 0 000000 2 im 7 500000 C 14 000000 C 0 000000 Adjust Selected 7 500000 7 000000 CO 0 000000 0 000000 7 000000 0 000000 _ 0 000000 C 14 000000 C 3 000000 leometric View 7 500000 C 14 000000 CO 3 000000 Plan View 7 500000 7 000000 M 3 000000 C 0 000000 C 7 000000 4 3 c00000 lulilon sl wine In the example above we have checked the z axis component of two of the ceiling vertices The selected vertices are highlighted with small red dots in the 3D view We are going to attempt to move them up 2 metres thus creating a sloping roof by pressing the Adjust Selected butto
57. 2D View are in pixels Values can be between 1 and 5 Define External Wall Thickness in Metres Allows you to determine the default Thickness of surfaces in buildings See the surface thickness 128 topic for more information Undo Redo Memory Allocation MB Allows you to determine how much memory can be used for the main Undo Redo 174 feature Intelligent Snapping Tolerance m Allows you to determine in metres the distance at which the Intelligent Snapping s3 will work 3D Colours These buttons when clicked allow you to set a user defined scheme for the colours in the 3D Viewer Reverse Zoom Scroll Direction By default when you use the mouse to zoom in and out in either of the 3D Views 173 Editor 931s or in the 2D plan view s1 scrolling the mouse or right clicking and moving the mouse up zooms out and down zooms in Checking this check box reverses this so that scrolling the mouse or right clicking and moving the mouse up zooms in and down zooms out This feature is provided to help users who are used to the defaults available in some other CAD packages ay Per Click Carbon Checker Code his code is for use by assessors accredited to generate EPCs or regional equivalent If you don t produce EPCs then this code can be left blank If ou are an accredited assessor using Carbon Checker to generate EPCs you need to enter the code here The code is obtained by logging in to the Carbon hecker accredited users we
58. 3 1 2 7 Paste WindoW seere EEN En 114 6 3 1 2 8 Delete WindoW seen ERR En 114 6 3 1 2 9 Set GlaZing OVErride esiin anaon aaaea aaae aaa aaaea 114 6 3 1 2 10 Global Windows Setting s s s ss us s us 2 116 6 3 1 3 DOOS akenio aA A a aA 118 6 3 1 3 1 Create Rectangular DOOF wscessseeeeeeeeeeeeeeeeeeeeseueeeaeaeeouaeeaeas 118 6 3 1 3 2 Create Freehand Door s ssussnunnnsnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 119 6 3 1 3 3 Edit Door Construction Type seeren nn nens REE 120 6 3 1 3 4 Edit Door SettingS serene ERE 121 6 3 1 3 5 Edit Door Thermal Bridge SettingS scsssseeeeseeseeeeseeeeseeenens 121 6 3 1 3 6 Copy DOO oa EEN es 122 6 3 1 3 7 Paste DOOF secessceeececeeesceeeeesneeeeeneeeeeaoeeesaeeseseneeeeeggenesggenes 123 6 3 1 3 8 Delete DOOF Sas ER EDEN SNE 123 6 3 1 4 Diare leyar o e T T rr 123 6 3 1 5 Move or Resize Window Door Mode ss susssasununsnnnnnnnnnnnnnnnnnna 124 6 3 1 6 Selection Mode FEE Er rer re 124 6 3 1 7 Edit Surface Thermal Bridge SettingS sssssuusauusunnssnuunnnnnnnnnnna 125 6 3 1 8 Moving Around the Surface i sscsceeesceeeeeeeeseeeeeeeeeeeeseeeesaeeneans 126 6 3 1 8 1 Zooming on the Surface View seseeseeeeseeeeseeeeseseeeeseeeeseeeuaes 126 6 3 1 8 2 Panning on the Surface View wsessseeeceeeeeeeeeeeeeeeeeeuseeeeaeeonaes 126 6 3 1 9 Grid on Surface VIEW suser RER 127 6 3 1 10 Surface OPptiONS seccceneeneeseeeeeeneeeeeeeeneeeeessenseseeenseaaensensensenee 127 6 3 2 Edit Surface Thickness wesscssessessee
59. 52 thermal bridges metal 160 thermal bridges non metal cladding 161 ventilation settings 155 zone adjacencies 129 zone configuration 162 zone nodes 144 zone selection 92 zone settings 149 zones 84 merging 101 zoning 200 zoom in 2D 126 zooming in surface mode 126 Page 211
60. CAD image File This can be done by selecting CAD Import Detach CAD File from the menu This will detach the CAD file You can temporarily toggle off the CAD file while still remaining attached by clicking on the CAD button in the toolbar 6 4 1 3 View CAD image File This can be turned on or off by selecting CAD Import View CAD File CTRL F or once a file is attached by clicking the CAD toolbar button This makes the CAD file alternatively visible or invisible Page 132 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 4 1 4 CAD image Options This can be viewed by selecting CAD Import CAD Options This displays the following dialog iy CAD Options CAD File Scale for Selected Layout CAD Layout Settings NEW Millimetres M Selected Layout Model Default C Centimetres C Metres C User Defined 1 m 0 001 mm etc 1 00000 4 MCAD Colour Settings Full Colour Cire CAD Import Settings IV Text Visible Note This can be changed from the menu later Turning text off can be increase display speed IV Center CAD Image on Import Note Some source CAD files could have different X Y Axis which will be aligned to 0 0 A single CAD drawing can contain several different drawings layouts With the new CAD viewer the user can select the layout to be imported Using the following controls the use
61. Correction M System Heat Source Fuel Type I Installed During or After 1998 Does it Qualify for ECAs M Seasonal Efficiency Radiant Efficiency G Use Default Use Default c Enter Manually C Enter Manually 0 000 Cancel You select the Name for the HVAC Type This can be anything you like but should ideally be something sensible e g HVAC Type 1 The other fields on this screen have the following meanings HVAC Type This is where you specify the necessary HVAC type see Heating and cooling systems 59 This System Uses CHP If the system includes CHP Combined Heat amp Power please check this box Enter Manually You manually enter the U Value and both Thermal Capacity values To accept the changes you have made select OK To abandon them select Cancel There are 5 tabs below these settings See these sections for more information e Heating 62 e Cooling e Ventilation 6 e System Adjustment s e Control Correction sA Page 58 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 7 1 Heating and cooling systems Choose the overall system type that is to be specified or considered for each HVAC Type A number of templates may need to be set up to cover all of the different building services provision across the different zones Depending on which system type is se
62. Desk Ltd Carbon Checker user manual Building Geometry 6 2 10 6 2 11 6 2 12 Delete Zone s In order to delete a zonels or zones select the zone s and then select Zone Delete Zone s DEL from the menu or select the same option after right clicking on the zone s in the 2D View 80 or TreeView 145 The zone s will now be deleted Rotate Zone In order to rotate a zone select 92 the zonels and then select Zone Rotate Zone s from the menu or select the same option after right clicking on the zone s in the 2D View s0 or TreeView 145 A screen similar to the following will be displayed Rotate Clockwise Rotate Clockwise degrees 90 cancel Simply select the number of degrees you wish to rotate it by and select OK If you have changed your mind and do not wish to rotate select Cancel Merging Zones WARNING This is an advanced feature You should make sure you are fully aware of how it functions before using it in your project Zone Merging is a feature that allows you to build up more complex zones 8 from simpler ones By way of an example consider the following 2 zones Page 101 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry PF 3D Viewer iv Solid V Outline M Lighting Translucency M Windows Doors lsometric View Plan View OK Save Image Copy Image They are directly adjacent to each other If we wanted to effective
63. Energy Consumption ty End Lses Monthly Energy Contumption by Fuel Type Asset Faino Ploane note that these sende ordy deal wath odesa of Pat L SPEM Opus Building Emissions Rate 38 04 kgCO2 m Target Emissions Rate 36 93 kgCO2 m FAIL prir Notional Emissions Rate 48 27 kgCO2 m Dala Refection Improvement Factor 0 15 ee Low Zero Carbon Factor 01 Oront and Previous Renas L o aw saafin O26 114505 BH Page 25 2012 BuildDesk Ltd Carbon Checker user manual Tutorial 45 Click OK This time we will add 20sqm of Solar Hot Water Collectors Click on the Renewable Energy button on the left hand side of the screen Click on the Hot Water Systems button and enter a name of the system choose the default DHW generator to associate it with South 30 degrees and 10m and a multiplier of 2 since we will add one to both classroom roofs Click ok Renewable Energy Systems Edit Solar Hot Water Systems Edit Renewable information for Solar Hot Water System Solar Hot Water Collector Delak DHW geresator South X 10 00 46 Click OK and Run SBEM again calling it PV System Added It should now pass Comphance Monthly Erena Consumption ty End Uses Energy Communetion ty End Uses Monthly Energy Consumption ty Fuel Type Asset Rating Pierie rote that here tends oriy del with coterie of Pat L Building Emissions Rate 35 58 kgCO2 m iowa Target Emissions Rate 36 93 kgC
64. F21 TOILETS RADIATORS LR ILILILILIL I sal bed Lhe lb ht ht mi wm ee u mi u mi u miu D F25 MEETING ROOM RADIATORS a Page 162 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration in lt 7 the Zone Settings e g a zone does i not have an Activity defined then the Zone Configuration button on the main screen will be red as Zone Ere l above Configuration Configuration Otherwise to will be green This screen works by allowing you to see 3 things associated with each zone at a glance 1 Whether the zone has the minimum necessary configuration settings This is determined by the small button next to the zone name which will be green if it is OK or red if it is not If it is not there will also be an information button next to it marked I which when clicked will summarise the problem s 2 Whether there is an HVACI 154 defined for the zone and what type 3 Whether there is a DHW 154 defined for the zone and what type In addition to this there is also the ability to easily get to the zone edit s n dialog click the green red button next to the zone name or the HVAC DHW settings again just click the button next to the field Also you can easily copy and paste zone attributes using the controls on this screen Simply press the Copy Attributes sf button next to the zone whose attributes you wish to copy and then either press the individ
65. MJ month Where the DHW system has a storage system please state the storage losses in MJ month The same value is used for all months If you are unsure of an appropriate value to input please consult a mechanical engineer Generator Seasonal Efficiency Please define the heating system s seasonal efficiency If you know the generator efficiency it can be introduced manually into the interface otherwise a default value will be used Once all the required selections have been made press the Get button and the default seasonal efficiency will be generated This System has Secondary Circulation Please state whether the system is provided with secondary circulation Circulation Losses W m Where the DHW system has secondary circulation please state the secondary circulation loss per unit length of secondary circulation pipe work in W m If you are unsure of an appropriate value to input please consult a mechanical engineer Pump Power kW Where the DHW system has secondary circulation please state the secondary pump power in kW If you are unsure of an appropriate value to input please consult a mechanical engineer Loop Length m Where the DHW system has secondary circulation please specify the secondary loop length in metres If you are unsure of an appropriate value to input please consult a mechanical engineer To accept the changes you have made select OK To abandon them select Cancel 5 9 CHP CHP Combined Heat
66. Notional building however this is subject to change Save Image Opens up a Windows file dialog and allows you to save the headline results as an image to a variety of graphics file formats Copy Image Copies the headline results into the copy paste buffer as an image which can then be pasted into other applications e g PowerPoint Word etc 11 3 Quick Check This feature allows you to perform a test calculation that cannot be submitted to building control You can perform this calculation without all the fields necessary for a full calculation e g Building Address details Owner details 407 and Certifier details 40 This is handy at early design stages of a development where the Design Team can be guided by the results Page 177 2012 BuildDesk Ltd Carbon Checker user manual Running the SBEM calculation The test calculation can be performed by selecting Tools Test L2 Compliance from the menu or selecting the Test Compliance button at the bottom left of the main screen This calculation will behave in a similar way to the full calculation 16 the main difference being that the results will not have the correct address details and therefore they cannot be submitted to building control 11 4 Show Historic Results This feature allows view the most recent results in detail and the outline of all previously stored results It is effectively a way of getting to the results screen 179 without having to perform another ca
67. O2 m PASS Nani Notional Emissions Rate 48 27 kgCO2 m Daa Pieteten Improvement Factor 0 15 Cometaree 00 12 2006 18026 26 50 v PAm ins DD ooyt2g200s 176820 30 an ONAA 11525 30 2 Ree Sagoo Remove s Paroa Pens Cx seem Cave Good luck on your future projects Page 26 2012 BuildDesk Ltd Carbon Checker user manual Tutorial Page 27 2012 BuildDesk Ltd Carbon Checker user manual Getting Started 4 Getting Started This section takes you through the process of opening a project 28 file management 29 using the project wizard s0 to input initial settings and and introduction to the main screen 35 IMPORTANT Only Administrators can install and License Carbon Checker If you are not an administrator on your machine then please seek assistance from your IT department Once it is installed it is recommended that you always run Carbon Checker as an administrator user If you are unable to do this then you should see Running Carbon Checker as an Ordinary User 1 tre Note Context Sensitive Help can be l 7 accessed at any time within Carbon i Checker on any screen by pressing Fi 4 1 Opening New Projects When you run Carbon Checker you are presented with the Select a Way to Start dialog Select a Way to Start Create a New Project C Open an Existing Project C Open a Recent Project The options available are e Create a New Project This creates a blank projec
68. S FT Building is of special conservation status J EPC is produced in Welsh language IV Additional check of Building Regulation Create HTML Data Reflection Reports Additional Parameters for Scottish Building Regulation Type of Building py d v Rating with improvements kgC02 r emissions I Building is designed and built following the guidance in Accredited Construction Details 56 HF Building is fully naturally ventilated and will not overheat without the need for any mechanical ventilation T Building implements lighting voltage reduction scheme Project Details Import project details Building Details Owner Details Building Settings District Heating Parameters Air Conditioning Inspection DE gt Load certifier It is not necessary to fill the fields in this tab in if you only want to perform a Save certifier details Quick Check They will be needed for a full SBEM calculation though details Cettifier details Related Party Disclosure Insurance Name Assessor name Phone No Jassessorphone Address Assessor address City Assessorcity Postcode SEE Accreditation Scheme EPCgen NET tetas o Assessor Number TESTo00000 EPCgen net Activation Code rreren Valid Code You have the FULLY LICENSED WITH EPC version so you can create official EPCs How do get my EPCgen net Qualifications Noss tid ee Emp Trading name Assessor trading name Emp Trading Address Assessor trading address Emp Trading Number EEn a If an EPC is
69. SBEM calculation Compliance Document This short compliance report summarises the building s performance against requirements stated in Building Regulations ADL2A This report is suitable for inclusion in a Building Control submission in order to demonstrate compliance Energy Performance Certificate and recommendations reports This is the EPC and recommendations presented in PDF format Compare Selected Results If you check using the checkboxes 2 sets of results from the Current and Previous Results table and then select this button you will be shown a graph and table that shows the difference between the two i Compare Results Older Newer Difference 3 86 3 63 0 23 0 0 0 79 38 79 38 0 115 71 125 17 9 46 0 0 0 82 95 82 95 0 198 95 208 17 Heating Cooling Aux Energy Lighting DHW Equipment Note Although Equipment is shown here the CO2 emissions associated with this have not been included in the rating Save Image Copy Image Remove Selected Results s Removes any results that have been checked from the Current and Previous Results table Please note that you cannot remove the most recent result Remove All Previous Results s Removes all results from the Current and Previous Results table except the most recent one Save Image Opens up a Windows file dialog and allows you to save the headline results as an image to a variety of graphics file formats Copy Image Copies the headline
70. The last thing before running the compliance check is to set the zone configuration Select the Zone Configuration button from the bottom left of the main screen Click the first box next the name of the zone and in the resulting dialog box select an Activity Type of Classroom In the first Fabric Performance tab ensure Global Psi values is ticked and 1 corner is added For more information on corners see Fabric Performance hs Page 23 2012 BuildDesk Ltd Carbon Checker user manual Tutorial r Zoan al Dela CHW greo Zone Settings fer New Zone Zone Nane New Zone F Zora i Pisemhelder oriy fons Tas Conditioned sare space Fir Assa bs Badng Tee Priman ScHOOL Hog im Zone Aatinky m Fate Perkemance Zone HVAC Settings Lighting formation Lighting Contras gt Thema Badges Tick here to une global Pr vahaa nabo core RO z FF Tick tere to use doby Ad Pemeabty Aa Pemediy at pe gt wae 36 The only other thing to add is under the lighting information tab click the Lighting Design Carried Out in Full radio button and enter 500W Click ok to return to the Zone Configuration dialog box and repeat the above settings in the second zone 37 Ensure in the Zone Configuration dialog that the standard HVAC and DHW Type is selected in each case 38 Click close to return to the main screen and all buttons down the left hand side should now he green except for Renewabl
71. Zone Adjacencies Adjacencies are the calculated adjacencies between surfaces hon within a building For example the building depicted here has two zones s4 next to each other ow 3D Viewer IV Solid V Outline Lighting I Translucency IV Windows Doors lsometric View Plan View OK Save Image Copy Image The height of the higher zone is 5 metres and its width is 8 metres The smaller zone s height is 3 metres and its width is 5 metres Therefore the adjacency between these 2 zones is 15 square metres Page 103 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry The far surface on the smaller zone is entirely adjacent to the near surface on the larger zone therefore it would be entirely an internal surface The near surface on the larger zone is only partially adjacent to the smaller zone as this surface is actually 40 square metres Therefore this is partially internal and partially external This is a fairly simple example but of course your buildings may have many adjacencies between zones Carbon Checker will automatically calculate any adjacencies in your building for you Indeed it is a prerequisite for certain operations such as performing the Part L compliance calculation or setting global glazing that the adjacency calculation has been performed You can initiate 104 this yourself but Carbon Checker will run automatically when a compliance check is carried out 6 2 13 1 Calculate A
72. ace io4 They are always underneath a Surface Node 145 They contain the following information e The Door number on the surface e The area of the Door in metres squared When a Door Node is selected the Door sub menu in the main top menu becomes available You can also right click on the Door Node to get the same menu options They are e Edit Door Construction Type 120 e Edit Door Settings 12h e Edit Door Thermal Bridge Settings 12h Page 147 2012 BuildDesk Ltd Carbon Checker user manual The Treeview e Delete Door 123 Page 148 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 Zone Settings and Configuration 8 1 Edit Zone Settings In order to edit a zone s settings select Zone Edit Zone Settings CTRL E from the menu or select the same option after right clicking on a single zone in the 2D View 80 or TreeView 143 or double click the zone in the 2D View You will be presented with a screen similar to the following f Zone Settings for Example zone Zone Name Eampezzne I Zone is Placeholder only Space Type Condiionedadioiningspace Sr Floor Area m 36 Building Type Office Height m 300 Zone Activity Openplanofice Sr Zone Volume m I Override The zone volume is calculated as Floor Area Height For special cases like sloping roofs please override the zone volume and enter the exact value Fabric Performance Surfaces ins
73. ach Adjacency 103 that a surface has They are always underneath a Surface Node 145 They contain the following information e The name of the zone e the surface is adjacent to along with the surfaceho number on that zone e The area of the adjacency in metres squared You can also right click on the Adjacency Node to get the Edit Adjacency 146 menu option 7 5 1 Edit Adjacency Dialog In order to manually edit an adjacency area right click on the adjacency in the TreeView 143 and select the Edit Adjacency option You will be presented with a dialog similar to this Page 146 2012 BuildDesk Ltd Carbon Checker user manual The Treeview Edit Adjacency Adjacency Area m 670 mos You can now manually modify the adjacency Once you have finished you can select OK to commit the changes or Cancel to abandon them 7 6 Window Nodes These represent each Window on a Surface They are always underneath a Surface Nodelh4 They contain the following information e The Window number on the surface e The area of the Window in metres squared When a Window Node is selected the Window sub menu becomes available from the main menu at the top of the screen You can also right click on the Window Node to get the same menu options They are e Edit Glass Type nd e Edit Window Settings hi e Edit Window Thermal Bridge Settings 113 e Delete Window 114 7 7 Door Nodes These represent each Door on a Surf
74. aes 164 9 2 Adding editing EPC recommendations ccceseseseeeeeeeeenens 165 10 EPBD audit 168 11 Running the SBEM calculation 169 11 1 SBEM calculation overview ssssssssss2ssu222 5 5 2 5 169 11 2 Results Screen sssssssssnununnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 170 Page 4 2012 BuildDesk Ltd Carbon Checker user manual Contents 11 2 1 Main SBEM result seccccseseesseseeeseeseeseesseseesseeeeesesaeessessesseseensens 171 11 2 2 Monthly Consumption by Energy USES sssssussusnsssnnnnunnnnnnnnnnnnnnnn 174 11 2 3 Energy Consumption by End USES wsssssceeeseeeeseeeuseueeeeeeeeeuaeeouaes 175 11 2 4 Monthly Energy Consumption by Fuel Type wsscssesssessesseeseseeesens 176 11 2 5 Asset Rating Tab seeren ERR Er 176 11 3 Quick Check cc ccccsceeeseeneeeeeeeeeeeeeeaeeeeaeeeeaeeaeaeeeuaeeaseasaeeeuaeeauags 177 11 4 Show Historic Results ccccecsseessesseseeseeseeeeeseeseessessessensensens 178 11 5 Where SBEM results are stored cccccsscsseseeeeesseeeeeseeeeeseesnens 178 12 Miscellaneous Features 179 12 1 UNO REGO reins cewcsecesecececercecseseeeeeeetewsuceieeeteencieesucesieenseesdees 179 12 2 3D VIQCWECR credie doaa area aa eaaa a Ei 179 12 3 Compass sees eu gu go nnmnnn 184 12 4 Tools Options 2 innia aaia 185 12 5 Status Bar sacrorocnini i E E 187 13 Glossary 188 14 Resources and Links 192 15 SBEM resources 193 15 1 What is iSBEM SBEM and the NCM ccsscssessseseessesseseeseees 193 15 2 Calc
75. ageauanuaseauaeeouageauags 144 7 4 Surface Nodes LEE Eee en redde 145 7 5 Adjacency Nodes cccsceeesceeeeeeeeeeeeeeeeeeeeeeaeeueeeeeuaeeauaeeananeauae 146 7 5 1 Edit Adjacency Dialog wsssssesuseeeueeuseeeuseeeuseeeuseeeuseueseauaeeeuseeonaes 146 7 6 Window NOES ccccsceneeeeeeeeeeeeeeeeeeeeeeaeaeeaeaeeeuaeeaseouaeeeusseauaes 147 7 7 Door NOES LEE nananana aaa 147 8 Zone Settings and Configuration 149 8 1 Edit Zone Settings ssssssssus2255 225 5 149 8 1 1 Fabric Performance isecceeseesseceeeeeeeeessenseeseeseesessensaeasensensenaeasens 151 8 1 2 Surfaces inside the ZONE oa eee ER rn 152 8 1 3 HVAC SettingS sure ERE 153 8 1 4 DHW SettingS suser ERR ER 154 8 1 5 Ventilation Settings erne ere tananana een ker 155 8 1 6 Exhaust Settings sa Een arabere 156 8 1 7 Lighting Information eceesceneseeeeeeeeeeeeeeeeueeeeuaeeeuaeeaseeuseeouseeouaes 157 8 1 8 Lighting Controls ses ERR Er 158 8 1 9 Thermal Bridges Metal scsceseeeeeeuseeeuseeeueeeeuseeauseuaeeeuseeauaeeauags 160 8 1 10 Thermal Bridges Non Metal ssesesceeeseeeuseeeuseeeuseueeeeuseeeuseeouaes 161 8 2 Copy Zone Attributes cccccsecesseeseeseseesseeeesseeseeeenseesensensens 161 8 3 Paste Zone Attributes sssssssss51225 5 162 8 4 Zone Configuration Feature scccesceeeseeeeeeeeuseueeeeeeeeeueeeauaes 162 9 EPC recommendations 164 9 1 EPC recommendations list sccecseeeeeeeeueeeeueeeeeeeeeeeensaeene
76. ame of the particular HVAC system or HWS already defined in iSBEM to which the user defined recommendation refers Recommendation You can enter text to describe the newly added recommendation This text will appear in the Recommendations report Assessor Comments You can enter any comments related to the recommendation for e g the reason why you have chosen to edit this NCM recommendation These comments will appear in SBEM s supporting documents to the EPC Recommendations report Energy Impact You can select from the options available in the drop down menu in order to specify the potential impact of implementing the recommendation on the energy performance of the actual building HIGH change in total building energy is gt 4 MEDIUM change in total building energy is lt 4 and gt 0 5 LOW change in total building energy is lt 0 5 NB If you enter the value as UNKNOWN SBEM will set it to LOW CO2 Impact You can select from the options available in the drop down menu in order to specify the potential impact of implementing the recommendation on the CO2 emissions of the actual building HIGH change in total building CO2 emissions is gt 4 MEDIUM change in total building CO2 emissions is lt 4 and gt 0 5 LOW change in total building CO2 emissions is lt 0 5 This impact will appear in the Recommendations report NB If you enter the value as UNKNOWN SBEM will set it to LOW CO2 Saved per Spent Y
77. an be turned on or off en masse in the 3D Viewer anyway 7 1 Project Nodes There is only ever one of these It contains the project name and acts as the root node for the entire tree 7 2 Layer Nodes These represent each Layer 14h They are always numbered consecutively They can be copied by right clicking and selecting Copy Layer and pasted by right clicking on the Project Node 143 and selecting Paste Layer Page 143 2012 BuildDesk Ltd Carbon Checker user manual The Treeview New layers can be added by right clicking on the Project Node 143 and selecting Add Layer Layers can be deleted by right clicking and selecting Remove Layer tm Note Only the highest Layer can be iT removed tm Note If you press the on the tr numeric keypad Key whilst a node is highlighted all nodes below that node will recursively be expanded If you press the Key on the numeric keypad whilst a node is highlighted all nodes below that node will recursively be contracted tm Note The checkboxes next to each i node are used to turn the node on or off in the 3D view This allows individual Layers Zones or Surfaces to be hidden in the 3D Viewer 174 This feature does not apply to windows or doors which can be turned on or off en masse in the 3D Viewer anyway 7 3 Zone Nodes These represent each Zone in a layer 14t They only contain the name of the zone When a Zone Node
78. any degrees from the vertical North actually is for the building Once set all directions for your building will automatically change to fit with the new direction In Plan Viewls in 2D View you will see an indication in the bottom right hand corner indicating which direction North is in Once you have finished editing you can select OK to commit the changes or Page 184 2012 BuildDesk Ltd Carbon Checker user manual Miscellaneous Features Cancel to abandon them 12 4 Tools Options There are a number of Carbon Checker settings that can be changed to suit your preferences You can select the Options by selecting Tool Options from the menu You will be presented with a screen similar to this Options Grid Settings WamingsZErrors X Axis Grid Spacing m 200 IT Show Verbose Error Messages Y Axis Grid Spacing m Show all waminags m Advanced Settings Settings for Undo Redo You should only change these settings if you are an Undo Redo Memory Allocation MB 2024 expert and fully understand what they mean or have FT Compress Undo Redo Entries been advised to by BuildDesk Ticking this option reduces the amount of memory that is used for Use Adjacency With Material undo redo but decreases the performance 3D Colours Graphical Editing 2D Line Thickness in Pixels Background Default External Wall Thickness in Metres 0 1001 Intelligent Snapping Tolerance m 0 1001 H Reset
79. any external windows 108 and doors 118 and finally configuring the zoneshe Press Finish to exit the wizard Page 34 2012 BuildDesk Ltd Carbon Checker user manual Getting Started 4 4 Main Screen FH Buitddesk Carbon Checker Unsaved Fle CAD Import Edt 2 The main screen is where building models can be drawn and all the input screens can be accessed in order to check Part L2 compliance The main Menu bar at the top of the screen gives access to the many of the features necessary to set up your building Most of these features can also be accessed in other ways for ease of use The Toolbar below the main Menu bar allows you to quickly select the most common features Hold the mouse over each button without clicking to show a brief description of what function each one performs The Project Wizard buttons on the left hand side either initiate the step by step Project Wizard 307 which takes you systematically through the Project Settingsls Building Constructions and Services 32 inputs using the top button or using the red green indicator buttons individual inputs can be accessed as required If you are unsure what data still needs to be entered you can click on one of the buttons for more information Ultimately when all the necessary data has been entered the buttons turn from red to green and the Run SBEM turns green to allow a compliance check The Tree View 1437 Pane shows inform
80. are calculated in the same manner as the zone area Area for an exposed pitched roof i e without an internal horizontal ceiling will be the inner surface area of the roof Used to calculate fabric heat loss so this is the area to which the U value is applied Window Area Area of the structural opening in the wall roof including the frame Deadleg Length Length of the drawoff pipe to the outlet in the space only used for zones where the water is drawn off Used to determine the additional volume of water to be heated because the cold water in the deadleg has to be drawn off before hot water is obtained Assumes that HWS circulation maintains hot water up to the boundary of the zone or that the pipe runs from circulation or storage vessel within the zone Flat Roof Roof with a pitch of 10 deg or less Pitched Roof Roof with a pitch greater than 10 deg and less than or equal to 70 deg If the pitch is greater than 70 deg the envelope should be considered a wall Display As defined in ADL2A Window Personnel Door As defined in ADL2A High Usage As defined in ADL2A Entrance Door Vehicle Access As defined in ADL2A Door Glazed door When doors have more than 50 glazing then the light solar gain characteristics must be included in the calculation This is achieved by defining these doors as windows Otherwise they are defined as opaque doors Edited extract from the iSBEM User Guide 9th July 2008 used with permi
81. as been split the edit surface dialog looks like this if the split is horizontal Edit Surface 5 for Zone Retail Area 15m Edit Surface Tools Thermal Bridges Gg ADORE e Undo Moved surface separation line T 3m and the toolbar includes a section of buttons at the right hand end looking like this Hf O EEA The mm button lets you select a particular surface part The fl button lets you move the separation line The L button removes the separation line This can also be done by right clicking on the surface The c and c buttons are used to specify the construction on the two surfaces This can also be done by right clicking on the surface part Notice that the E E ana E buttons are colour coded to match the colour of the construction part shown in the main part of the dialog Orange represents the whole surface if it isn t split Red and green represent the two parts of the surface if it is split Page 107 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 1 2 Windows This section contains the following topics e Create a Rectangular Window 108 e Create a Freehand Window hos e Edit Glass Types e Edit Window Settings 114 e Edit Thermal Bridge Settings 113 e Copyhi Pastel14 and Deleteli a Window e Setting Glazing Override 114 e Set Global Window Settings 116 6 3
82. ation on layers 14n zones 84 roofs 891 floors 4s surfaces 1o4 windows hos and doors 118 This allows easy selection of the required part of the building Right mouse clicking over the selection brings up a menu where you can select functions to be carried out The 2D View 807 Pane allows a building to be drawn and modified in 2D A number of viewsls can be used tm Note Context Sensitive Help can mat 7 be accessed at any time within Page 35 2012 BuildDesk Ltd Carbon Checker user manual Getting Started Carbon Checker on any screen by pressing F1 Page 36 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 Project Settings Construction Types and Services This section details how to set up the basic minimum settings for a project ideally before inputting the Building Geometry 80 Building Details 39 Owner Details 407 Certifier Details 40 Thermal Bridges Metal Cladding 45 Thermal Bridges Non Metal Cladding 467 Wall Constructions 467 Floor Ceiling Constructions 49 Door Constructions 51 Roof Constructions 534 Glass Types 55 HVAC Types s7 DHW Types 68 amp CHP 7 Renewable Energy Systems 727 5 1 Project Settings The Project Settings can be edited by selecting Project Project Settings from the menu selecting the Project Settings button E from the toolbar or pressing CTRL P or pr
83. basis Additional thermal bridges can also be specified for particular surfaces h2 windows 113 and doorsh2 5 2 Wall Constructions Wall Constructions are used in the project to define what types of walls exist in the building When the geometry s0 of the building is defined these constructions are applied to the surfaces that are walls The default Wall Construction will automatically be applied for Internal and External walls These can be modified individually by editing the Surface Construction and Construction Parameters h29 The Wall Constructions can be edited by selecting Building Configure Wall Constructions from the menu or pressing the Wall Construction button at the left of the screen that looks like one of these Page 46 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Wall i Wall i Construction Construction In addition the Wall Constructions are available through the button on page 3 32 of the Project Wizard Edit Wall Constructions r External Constructions Make Default Construction Name Default Edit Add Delete M Internal Constructions Make Default Construction Name zl Default Edit Add Delete There are two sets of controls on this screen one for External Constructions at the top and another for Internal Constructions at the bottom The controls on this screen work as follows The Make Default button mak
84. be anything you like but should ideally be something sensible e g Roof Type 1 The other fields on this screen have the following meanings Import From Library If this radio button is selected then you select the Category and the Library This then automatically determines the U Value and the Thermal Capacity Inference Procedures If this radio button is selected then you select the Sector Date and Construction Type This then automatically determines the U Value and the Page 54 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Thermal Capacity This is used to infer the settings for construction types in an existing building Enter Manually You manually enter the U Value and both Thermal Capacity values To accept the changes you have made select OK To abandon them select Cancel 5 6 Glass Types Glass Types are used in the project to define what types of glazing exist in the building When the geometry s of the building is defined these Glass Types are applied to the surfaces that are windows The default Glass Type will automatically be applied for all windows These can be modified individually by editing the Glass Types for each window 110 The Glass Types can be edited by selecting Building Configure Glass Types from the menu or pressing the Glass Types button at the left of the screen that looks like one of these a Glass T ypes a Glass T ypes In addit
85. being produced the screen also provides fields where the following have to be specified Accreditation scheme The recognised schemes are available in the pull down menu Assessor number This is a unique identifier for each authorised assessor and is allocated by the accreditation scheme It usually consists of four A Z letters and six numerals e g ABCD123456 Page 41 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services EPCgen NET Activation Code This is a code generated automatically by EPCgen a module supplied as part of the SBEM installation included with Carbon Checker Without this Activation Key the PDF version of the EPC output document will be watermarked and the XML file required for lodgement will not be generated There is a link on the screen which points to a webpage where the process of obtaining an Activation Code is described in detail This web page refers to iSBEM but the principles are exactly the same when the code is being used in Carbon Checker Qualifications These are the qualifications of the assessor and are expressed in the relevant level of the NOS National Occupational Standard NOS 3 relates to simple existing buildings NOS 4 relates to complex existing buildings and new buildings NOS 5 relates to buildings where dynamic simulation is appropriate i e SBEM is not suitable These details should match exactly those held on the assessor by t
86. both the main Carbon Checker screen 357 and also for the Edit Surface 105 screen The Undo feature can be invoked by selecting Edit Undo CTRL Z from the menu or selecting the Undo button from the toolbar Ea The Redo feature can be invoked by selecting Edit Redo CTRL Z from the menu or selecting the Redo button from the toolbar ia tm Note Redo will only be available if i lt the last action you performed was i an Undo or series of undos otherwise it is not possible to redo anything as the state of the project has not changed 12 2 3D Viewer This feature allows you to look at the building in 3D You can select the 3D Viewer by selecting Project 3D Viewer Alt 3 from the menu or selecting the 3D Viewer 4 button on the toolbar You will be presented with a screen similar to this Page 179 2012 BuildDesk Ltd Carbon Checker user manual Miscellaneous Features HH 3D Viewer IV Solid IV Outline MV Lighting I Translucency M Windows Doors Isometric View Plan View OK Save Image Copy Image LLT ho or zones 84 you can do so by un i checking the elements you wish to hide in the TreeView 143 on the main application screen To rotate the view around the building in 3D space hold down the left mouse button and move it on the 3D viewer To zoom in and out either use the scroll wheel when over the 3D viewer or hold the right mouse button down and move up or down The direction the sc
87. bsite http secure builddesk co uk Once you log in the code is shown in your account details and can be copied and pasted into the field on the Carbon Checker options dialog The code only needs to be entered once and provides an extra level of security to our per lick EPC payment system For more information see Per click payments for EPC calculations 13 Page 186 2012 BuildDesk Ltd Carbon Checker user manual Miscellaneous Features Once you have finished editing you can select OK to commit the changes or Cancel to abandon them 12 5 Status Bar The Status Bar is at the bottom of the screen and contains useful information about the current state of the application It contains information such as the project name the position of the mouse in the 2D View which view you are currently in plan left front etc information about the currently selected zone if applicable or other useful information such as sizes when creating zones or how many zones are selecting when multiple selecting Page 187 2012 BuildDesk Ltd Carbon Checker user manual Glossary 13 Glossary BRUKL Building Regulations compliance module This program works automatically using outputs from SBEM to assess compliance with Part L2 An output report is generated which describes the building energy performance in relation to the 5 compliance criteria CAD Computer Aided Design AutoCAD is the most commonly used CAD package a
88. can also be specified for particular surfaces h2 windows n and doors 12h Page 160 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 10 Thermal Bridges Non Metal Zone Settings for New Zone Zone Name New Zone I Zone is Placeholder only Space Type Conditioned adjoining space 2 Floor Area r fC Building Type RETAIL WAREHOUSES Height m ooo 4 Zone Activity pad Lighting Information Lighting Controls Thermal Bridges Metal Cladding fi Type of Junction User Psi Wimk Accredited Detail Wimk Roof wall Wall ground floor Wall wall corner Wall floor not ground floor Lintel above window or door Sill below window Jamb at window or door Cancel In this section zone s4 specific thermal bridging settings are stated for wall 487 and roof constructions s3 which do not use metal cladding As default a range of Psi W mK are provided If information is available for your specific building then these can be defined here These global thermal bridge settings can be overridden on a zone by zone basis Additional thermal bridges can also be specified for particular surfaces h2 windows n and doorsh2 8 2 Copy Zone Attributes Zone Attributes are all settings associated with the zonel es other than the name and the geometry s0 settings It is possible to copy and paste these attributes between
89. cess and impact assessment were fully evaluated and any adjustments to the proposed changes determined SBEM was correspondingly adapted in the form of a new version for demonstrating compliance with Part L2A of the revised 2010 Building Regulations in England and Wales which are due to come into force in October 2010 This is version 4 1 d described in this manual Similar revisions of building regulations also took place in Scotland and in Northern Ireland in 2010 prompting further adaptations in the software in order to accommodate demonstrating compliance with 2010 Section 6 in Scotland and 2010 Part F in Northern Ireland SBEM consists of a calculation methodology which runs together with a compliance checking module BRUKL and an energy performance certificate generator EPCgen which utilise some of the same data during the calculation The user sees iSBEM the interface software which interweaves these components together and interacts with a series of databases to provide consistent data to the calculation while simplifying the user s need to obtain Page 193 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources raw building construction data SBEM is a compliance procedure and not a design tool If the performance of a particular feature is critical to the design even if it can be represented in SBEM it is prudent to use the most appropriate modelling tool for design purposes In any case SBEM should not be us
90. ch is not covered by Accredited Construction Details or MCRMA guidance needs to be accounted for Where additional thermal bridges are know for a window please describe in this facility The fields displayed have the following meanings Multiplier Number of thermal bridges of each type Length Length of the thermal bridge Psi W mK Linear thermal transmittance Description A description of the extra Thermal Bridge Page 113 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Select OK to commit any changes or Cancel to exit without committing the changes 6 3 1 2 6 Copy Window This is invoked from the Surface screen by right clicking on a window selecting Copy Window This takes a copy of the selected window and places it in the paste buffer ready to be pasted 6 3 1 2 7 Paste Window This is invoked from the Surface screen by right clicking on an empty part of the surface and selecting Paste Window This will be available if a window has been copied 114 The copied window will then be pasted at the selected location 6 3 1 2 8 Delete Window This is invoked from the Surface screen or the TreeView 143 by right clicking on a Window and selecting Delete Window 6 3 1 2 9 Set Glazing Override The Set Glazing Override feature is used in circumstances where you know that the glazing on a particular surface is e g 3 square metres or that it takes up 50 of the surface It allows you to set th
91. d on or off by selecting CAD Import CAD Text On CTRL T This turns the text on or off in the CAD file PDF import The ability to trace images and PDF files has been added Also an improved CAD viewer tool has been included The image and PDF tracing works in addition to the existing CAD import feature The new features can be accessed by new menu entries in the menu CAD Import and new buttons in the toolbar Page 134 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry BuildDesk Carbon Checker INTERNAL TEST v File CAD Import Edit 2DView Tools Project Bu QO 4 Attach CAD File for Tracing Detach CAD File View CAD File Ctrl F CAD Options CAD Text On Ctrl T Attach PDF File for Tracing Detach PDF File View PDF File PDF Options Attach Picture for Tracing Detach Picture m m eee View Picture Picture Options The menu entries for Attach Detach View and Options and the toolbar button for PDF and pictures work the same way as the existing menu entries and buttons for CAD import F BuildDesk Carbon Checker INTERNAL File CADImport Edit 2DView Tools Project Building Renewables Zone Surface Door Window Help Dag 9 OS sOD aS His o r a aala lH ala At any given time either a CAD file PDF file or a picture can be attached for tracing If the user has already attached a CAD file and he wants to attach a PDF file o
92. dify these settings on a surface that is wholly adjacent to another or other surfaces in the building then it will have no effect In order to manually define the external adjacencies select Surface Edit Manually Define External Adjacency CTRL A from the menu or select the same option after right clicking on a single surface in the 2D View s0 or TreeView 1437 or double click the surface in the TreeView You will be presented with a screen similar to the following Manually Edit Surface Adjacencies NOTE These settings should only be changed if there are extra adjacencies with e g the Ground other buildings etc that cannot be modelled using the standard setup An example would be a building that has portions of the walls underground or a new building that is being built directly adjacent to an existing building Percentage of External Surface Directly Adjacent to Ground I 0000 Percentage of External Surface Directly Adjacent to Strongly Ventilated Space 0 0000 Percentage of External Surface Adjacent to Conditioned Space 0 0000 Percentage of External Surface Adjacent to Unheated Space 0 0000 a Cancel Here you can set the percentages of the external portion of the surface that are adjacent to the different types as described Any percentage left over is assumed to be adjacent to the outside tm Note By default all floors have C7 their External Adjacency set to 100 with the ground Therefore if you have a f
93. djacencies If Calculate Adjacencies has not previously been performed then when you come to perform the Part L Calculation hs or set the global glazing 116 then the calculation will automatically be performed You will see a number of progress bars indicating how the calculation is progressing and you will be unable to make any changes until it has finished In the case of smaller buildings with few adjacencies this will only take a few seconds For larger buildings it can take longer Terre Note If you make any modification to the geometry of the building after you have calculated the adjacencies then you will need to recalculate as they may have changed Carbon Checker will enforces this rule You can force a Calculate Adjacencies manually by selecting Project Calculate Adjacencies or selecting the Calculate Adjacencies button from the toolbar H i When the Calculate Adjacencies has finished you will be able to see any adjacencies in the treeview 146 6 3 Surfaces Surfaces are the floors walls roofs and ceilings that make up zonesls They are created automatically when a zone is created The type of surface is determined by its direction e g if it is facing downwards within 10 degrees it is a floor if it is facing upwards within 10 degrees it is a roof ceiling Page 104 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 1 otherwise it is a wall Edit Surfaces In orde
94. dow 109 create zone 89 D data collection 197 data reflection actual 171 data reflection notional 171 daylight zones 201 DCLG 188 default air permeability 37 delete zone 101 DHW 68 DHW settings 154 DHW Types add edit delete 188 door copy paste delete 123 draw freehand 119 draw rectangular 118 Page 207 Carbon Checker user manual Index door construction type 120 door nodes 147 door settings 121 door thermal bridges 121 door move resize 124 draw zone 89 ductwork 66 DWG files 188 DXF files 188 edit surface 105 edit zone in 3D 93 edit zone settings 149 electric power factor 37 Energy Performance in Buildings Directive 6 Energy Technology List ETL ECA 188 EPBD 6 EPBD audit 168 EPC 6 164 165 171 195 EPC XML 178 exhaust settings 156 external constructions 51 Fi Help 12 fabric performance 151 files file menu 29 floor ceiling constructions add edit delete 49 flow reduction 65 folders 178 freehand door 119 freehand window 109 freehand zone 86 iG gathering data 197 geometry 80 getting started 28 glass types add edit delete 110 glazing override 114 global settings 151 152 global window settings 116 grid in 2D view 83 grid in surface view 127 grid spacing 185 H heat recovery 65 heating HVAC 62 historic results 178 HVAC 57 HVAC control correction 67 HVAC cooling component 64 HVAC heating component 62 HVAC system adjustment
95. ds For Northern Ireland please refer to www dfpni gov uk for further information on Northern Ireland s building regulations and published documents SBEM calculates the energy demands of each space in the building according to the activity within it Different activities may have different temperatures operating periods lighting standards etc SBEM calculates heating and cooling energy demands by carrying out an energy balance based on monthly average weather conditions This is combined with information about system efficiencies in order to determine the energy consumption The energy used for lighting and hot water is also calculated This requires information from the following sources Edited extract from the iSBEM User Guide 8th February 2012 used with permission 15 3 Calculation basics EPC This section briefly defines the reference building which is the basis of setting the energy rating scale for Energy Performance Certificates EPCs for England and Wales and Northern Ireland The Asset Rating rates the CO2 emissions from the actual building in comparison to a Standard Emission Rate SER where both emission values are in kgCO2 m2 annum The Standard Emission Rate is determined by applying a fixed improvement factor to the emissions from a reference building which is defined below EPCs are intended to send market signals about the relative performance of comparable buildings and so it is necessary that the re
96. duct leakage It does not include energy used by fans and pumps The SCoP multiplied by the combined heating demand of all rooms served by a particular system gives the energy consumption the heat generator usually a boiler or boilers SEER This ratio takes account of the efficiency of the cold generator thermal losses and gains to and from pipework and ductwork and duct leakage It does not include energy used by fans and pumps The SEER multiplied by the combined cooling demand of all the rooms served by a particular system gives the energy consumption of the cold generator For example a chiller Auxiliary energy Applied to the total floor area conditioned by a particular system Depends on duration of occupation Covers the energy used by fans pumps and controls and depends on the duration of operation of the spaces served Page 61 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 7 2 Heating Add HVAC Type Information Name HVAC Type Heating Cooling Ventilation System Adjustment Control Correction M System Heat Source Fuel Type I Installed During or After 1998 Does it Qualify for ECAs M Seasonal Efficiency Radiant Efficiency Use Default Use Default Enter Manually Enter Manually ooo Cancel The fields on this screen have the following meanings
97. e Power kW Please state the rated power output of the wind turbine kW If there is more than one turbine to be included please state the rated power output of an individual wind turbine and use the multiplier input to state the number of turbines for a specific building Multiplier If more than one turbine is to be provided please state the number To accept the changes you have made select OK To abandon them select Cancel Page 79 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 Building Geometry This section details how to create the geometry for your building tm Note The Building Geometry 7 button at the bottom left of the screen will be red unless the geometry has been configured correctly If it is red you can click on it to see what the remaining problems are Building Geometry covers the following features e 2D View features 80 e Zonels creation and editing e Surface Editing 10 including creation of Windows 1o and Doors 118 e CAD Imporths e Layersh4 6 1 2D View Features The 2D View is the part of Carbon Checker where the building is initially designed It is the large black area in this screen shot Bf BuildDesk Carbon Checker Unsaved File CAD Import Edit Project Building Renewables 2 wi 2D View Tools Help ew a is o mw aa a Project Test1 B Layer Floor Ceiling Construction
98. e HVAC Settings DHW Settings Ventilation Settings Exhaust Settings Lighting Information Lighting Controls lt i gt Controls Photoelectric Settings IV Local Manual Switching IV Photoelectric mee C Switching is to indi Automatic daylight zoning for light controls A ek fs oindio ahoni A Yes zones are subdivided if needed Dimming of the zone No percentage area controlledis Type Stand alone sensors x Time Switching for Display Lighting Occupancy Sensing Type NONE z Type NONE x Hours Off 0 ny Fraction Off Parasitic Power Settings of the Photoelectric Device Parasitic Power Settings of the Occupancy Sensing Device Use Default 03 Wim Use Default 03 Wim Enter Manually 0 30 Wim Enter Manually 0 00 Wim Please indicate whether there are no controls local manual switching and or photoelectric controls present By ticking none both or one of the 2 tick boxes other selections will become available Local Manual Switching Please state whether local manual switching is provided for each zone Local manual switching is where the occupants can control their own luminaires individually and each light switch must be less than six metres from the luminaires it controls it could be a hand held controller such as infra red Photoelectric Please state whether photoelectric controls are provided for each zone Parasitic Power Settings Please enter the parasitic power consu
99. e it is not relevant for a Building Regulations calculation There are 4 radio buttons in a box entitled Show recommendations e All NCM click this button to view only the NCM recommendations generated by EPCgen e All USER click this button to view only the recommendations added by the user If there are no user defined recommendations then iSBEM will prompt you to add one see below e All Click this button to view both the NCM recommendations and the ones added by the user e Only from Report Click this button to view only the have been included in the Recommendations report Page 164 2012 BuildDesk Ltd Carbon Checker user manual EPC recommendations Below the list of recommendations there are buttons to allow the user to add edit or delete recommendations 9 2 Adding editing EPC recommendations If adding a new recommendation the following can be specified Category You can select from the options available in the drop down menu in order to specify the category under which the recommendation will be classified Code This parameter should remain set to USER for any user defined recommendation Referenced object Here you can specify the object to which the recommendation applies for e g the whole building or a particular HVAC system or HWS If the option selected is either HVAC SYSTEM or HWS then the following parameter becomes active Name You need to specify the n
100. e Energy Systems and the Run SBEM button has turned green 3 5 Getting Building to Pass 39 Click Run SBEM 40 Dismiss the first warning dialog box about no Renewables and in the subsequent dialog box type in a sensible name for the run eg First Run 41 You should see Results that look something like these below the building has currently failed Page 24 2012 BuildDesk Ltd Carbon Checker user manual Tutorial Compliance Monthly Erenay Contumetion by End Ures Energy Conmeneton by End Ures Monthly Energy Consumption by Fuel Type Atsat Rating Please rate that hese sents oriy dasi wth omeia 1 of Part L Building Emissions Rate 40 57 kgCO2 m Target Emissions Rate 36 93 kgCO2 m Notional Emissions Rate 48 27 kgCO2 m Improvement Factor 0 15 Low Zero Carbon Factor 0 1 O Oia 174825 4 42 From here you can view other graphs to see where the weaknesses are or even go to the SBEM output report files In this case it looks like we need to improve the building fabric performance 43 Click ok and return to the main screen Click on the Wall Constructions button on the left hand side and edit the existing wall type Click the manual radio button and improve the u value to 0 2 44 Run SBEM again calling the run something sensible like Wall U Value Improvement The building still fails but the values have improved ee Compare Morthty Erer Consumption ty End Uses
101. e Surface screen by right clicking on a window or right clicking on a window nodeh4 in the TreeView 143 in the main screen and selecting Edit Glass Type You will be presented with a screen similar to the following Edit Glass Types Make Default Glass Type Name nn Default Edit Add Delete If any glass types have been configured s5 for the project then they will be listed here and can be selected If you select Use Default then the default glass type for the project will be used Select OK to commit any changes or Cancel to exit without committing the changes Page 110 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 1 2 4 Edit Window Settings This screen is invoked either from the Surface screen by right clicking on a window or right clicking on a window node in the TreeView 145 in the main screen and selecting Edit Window Settings You will be presented with a screen similar to the following Window Shading System All other cases T Transmission Factor 1 00 H I Display Window Surface Area Ratio 1 00 Surface Area m The fields displayed have the following meanings Shading System Please select the shading system from the list provided Transmission Factor This factor is used to determine the amount of solar shading to the window in question When a Transmission Factor of 1 0 is stated then there no solar shading provided If solar shading is provid
102. e are a few systems which require further guidance VRF with air cooling mechanical ventilation select VRF it is implicitly assumed that 20 of the cooling load is provided by a separate air cooling mechanical ventilation system VRF with natural ventilation select split system with natural ventilation then adjust the efficiencies in the Heating and Cooling sub tabs to that suitable for VRF If Chilled ceiling is selected the default assumption is that there is displacement ventilation Chilled ceiling with no mechanical ventilation select Chilled ceilings or passive chilled beams and displacement ventilation and then set the specific fan power to zero Chilled ceiling with mixing ventilation select Chilled ceilings or passive chilled beams and displacement ventilation and then use twice the actual specific fan power in order to capture the effect of the higher ventilation rate The system type along with the further details entered in the remaining four HVAC sub tabs allows SBEM to calculate the seasonal system coefficient of performance for the heat generator SCoP the seasonal energy efficiency ratio for the cold generator SEER and the auxiliary energy For further details on these parameters and how they are calculated see the Non Domestic HVAC Compliance Guide SCoP This coefficient takes account of the efficiency of the heat generator thermal losses and gains to and from pipework and ductwork and
103. e can be left blank If you are an accredited assessor using Carbon Checker to generate EPCs you need to copy and paste this code into the relevant field Tools Optionshs dialog in Carbon Checker The code only needs to be entered once and provides an extra level of security to our per click EPC payment system There is always the ability to produce unofficial EPC files with a watermark for instance or excluding the file needed for lodgement with Landmark without using a credit Page 13 2012 BuildDesk Ltd Carbon Checker user manual Tutorial 3 Tutorial In this tutorial we will input a simple primary school building based in Manchester The school has two classrooms each has one external door and two windows There is one HVAC system We will use the inputting of this building to illustrate a number of features this is in no way exhaustive for a full list see the Help System Manual You can find this model saved in the Carbon Checker installation folder typically C Program Files Carbon Checker Version 1 3 2 called Tutorial Two Classrooms vi 1 ccz or you may like to start from scratch If you would like to use the existing saved file we have already filled in up to step 39 3 1 Getting Started and Project Wizard 1 Run Carbon Checker and choose New Project from the first dialog box 2 Enter the Project name in this example we have named it Tutorial 1 New Classroom Project Name Please Enter a
104. e controls on this screen work as follows e The Wind Generators combo box contains a list of all the existing Wind Systems that have been set up for this building e The Edit button allows you to edit the currently selected Wind System This is not available if there are no existing Wind Systems e The Add button allows you to add a Wind System e The Delete button allows you to delete the currently selected Wind System This is not available if there are no existing Wind Systems When either Edit or Add is selected the following screen appears Edit Renewable information for Wind Turbine Name I Terain Type Suburban or industrial area Diameter metres ho o Hub Height metres ho Power kw po 8 Multiplier Moo a You select the name for the Wind Generator This can be anything you like but should ideally be something sensible e g Wind System Type 1 The other fields on this screen have the following meanings Terrain Type Page 78 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Please select a terrain type for the location of the wind turbine from the list provided Diameter metres Please state the swept diameter of the wind turbine blades m This information should be taken from manufacturer s literature Hub Height metres Please state the hub height of the wind turbine m This information should be taken from manufacturer s literatur
105. e has l been set for a surface the window cannot be modified from the Edit Surface tos screen However if you want to turn an overridden window into a normal window simply re enter this screen and set the Do Not Override Glazing option The window will then behave as if you had added it manually Page 115 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry term Note If you are overriding the i glazing for a surface it is possible that any doors on your surface will appear to clash with the window if they overlap This is fine as long as the total surface area of a window and door do not exceed the surface area of the surface Carbon Checker will check this for you when validating the building However if you manually create windows and doors then they must not clash with each other Select OK to commit any changes or Cancel to exit without committing the changes 6 3 1 2 10 Global Windows Setting This feature allows you to globally adjust the existing glazing in the building a lt lt surfaces that have no internal i adjacencies with other surfaces You can select Global Glazing Settings by selecting Project Global Glazing Settings from the menu You will be presented with the following screen Page 116 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Global Windows r Percentage Change Increase Glazing Percen
106. e input the Supply Specific Fan Power SSFP associated with the current zone ventilation system This will be used to calculate the auxiliary energy associated with the operation of the building You can either use the default value or enter your own SSFP for the zone mechanical ventilation system W l s If you are not sure whether the SFP meets the minimum requirements under ADLP2 please consult your M amp E designer Heat Recovery If a heat recovery system is to be provided please choose from the list provided If you are not familiar with the listed systems please consult your Page 155 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 6 M amp E consultant or contractor The most common system specified is the heat exchange plates or pipes Destratification Fans in Zone Check this box if the zone is provided with destratification fans Destratification fans provide additional air recirculation in the zone to ensure even temperature distribution Exhaust Settings Zone Settings for Example zone Zone Name Examplezone iti s sSs s s S IT Zone is Placeholder only Space Type Conditioned adjoining space ind Floor Area m 36 Building Type Office Height m 3 0004 Zone Activity Open plan fce Zone Volume m IT Override The zone volume is calculated as Floor Area Height For special cases like sloping roofs please override the zone
107. e something sensible e g External Concrete Wall Type 1 The other fields on this screen have the following meanings Import From Library If this radio button is selected then you select the Category and the Library This then automatically determines the U Value and the Thermal Capacity Inference Procedures If this radio button is selected then you select the Sector Date and Construction Type This then automatically determines the U Value and the Thermal Capacity This is used to infer the settings for construction types in an existing building Enter Manually You manually enter the U Value both Thermal Capacity values and whether or not the Construction Involves Metal Cladding To accept the changes you have made select OK To abandon them select Cancel Page 48 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 3 Floor Constructions Floor Ceiling Constructions are used in the project to define what types of floors ceilings exist in the building When the geometry 80 of the building is defined these constructions are applied to the surfaces that are floors ceilings The default Floor Ceiling Construction will automatically be applied for Internal and External Floors Ceilings These can be modified eee by editing the Surface Construction and Construction Parameters 129 The Floor Ceiling Constructions can be edited by selecting Building Configure Floor Ceilin
108. e zone 1s2 e HVAC Settings 155 e Lighting Settings 157 e Lighting Controls 1587 e Thermal Bridges Metal Cladding hs e Thermal Bridges Non Metal Cladding t6 Page 150 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 1 Fabric Performance Zone Settings for Example zone Zone Name Example zone IT Zone is Placeholder only Space Type Conditioned adjoining space ind Floor Area m pe 0OCOC S Building Type Office 7 Height m Zone Activity Open plan ofice SR Zone Volume m IT Override The zone volume is calculated as Floor Area Height For special cases like sloping roofs please override the zone volume and enter the exact value Fabric Performance Surfaces inside this zone HVAC Settings DHW Settings Ventilation Settings Exhaust Settings Lighting Information ENK Thermal Bridges IV Tick here to use global Psi values Air Permeability at 50pa IV Use building global air permeability 8 00 mihim Thermal Bridges Tick here to use global Psi values If Thermal Bridging settings differ from the Global settings then uncheck this box and two further tabs will become available where zone specific Psi values can be entered Use building global air permeability If you wish to use the Global Air Permeability setting as defined in Project Settings 37 then check this box If the box is unchecked th
109. ed but calculations not yet undertaken then the target design can be stated as Luminaire Lumens Circuit Watt Please take guidance from an electrical design engineers if you are unsure of an appropriate input value This option is only be available for zones with activities that identify them as office industrial or storage areas Lighting Parameters not Available or unknown If the lighting parameters are not available please select a general lamp type for the zone from the list provided Display Uses Efficient Lamps Please check this box if efficient lamps are to be specified for display lighting This option should only be used for zones in which display lighting is applicable Page 157 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 8 Air Extracting Luminaries are Fitted Please check this box if air extracting luminaires are to be specified Lighting Controls f Zone Settings for Example zone Zone Name Ekampezone i i S Ss s S IT Zone is Placeholder only Space Type Condtionedadjoiningspace x Floor Area m 36 Building Type Office Height m 300 Zone Activity Openplnoffice gt Zone Volume m 108 000 I Override The zone volume is calculated as Floor Area Height For special cases like sloping roofs please override the zone volume and enter the exact value Surfaces inside this zon
110. ed for system sizing Edited extract from the iSBEM User Guide 8th February 2012 used with permission 15 2 Calculation basics Part L The calculation procedure required by the National Calculation Methodology is explained in the National Calculation Methodology Manual http www ncm bre co uk filelibrar NCM_Modelling Guide 2010 Edition 11Nov2011 pdf SBEM complies with the NCM It is suitable for use with the majority of buildings but some designs will contain features that mean that more accurate energy calculations may be obtained by more sophisticated calculation methods In summary the Building Regulations compliance calculation compares the total energy consumption of the building and its services in kWh m2 annum expressed as carbon dioxide emissions of the building being evaluated its Building Emission Rate or BER with a target value Target Emission Rate or TER derived from similar calculations for a notional building where both emission values are in kgCO2 m2 annum The notional building has the following characteristics e The same geometry orientation and usage as the evaluated building e The amount of glazing in the notional building is however not the same as that in the evaluated building The area of glazing is a certain percentage of external walls and roofs and is dependent on the building type It is exposed to the same weather conditions as the evaluated building e Standard opera
111. ed to a window then the appropriate Transmission Factor should be selected from the tables provided below Surface Area Ratio Specifies the developed to projected ratio for the window The developed area is the area of glass and the projected area is the area of the opening in the wall So for domed or conical rooflights for example this would be bigger than 1 The default values are 1 for windows in walls and 1 3 for rooflights Display Window Please check this box if the window is to be used as a display window For example as a shop front Surface Area m The total surface area of the window in metres Select OK to commit any changes or Cancel to exit without committing the changes Transmission Factor Shading from Overhangs and Fins The Transmission Factor is calculated as Page 111 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Ts Fo x Ff where Fo partial shading correction factor for overhangs Ff partial shading correction factor for fins PS Overhang N Angle a s Fin Angle B M a Vertical section b Horizontal section Re drawn from the iSBEM User Manual DCLG 2006 In order to ascertain the correct shading correction factors please use the following tables Table 1 Partial shading correction factors for overhangs Fo pane 45 N Lat 55 N Lat 65 N Lat Angle S Ee w N S E w N S e w N o 1 00 1 00 1 00 1
112. eeeeeeeeeeueeeaeeeuaeeeuaeeeuaeeauaeeoeeouaeeonags 4 4 Main Screen v ccccecceeeeeeeeeeeeeeneeeeaeeeeaeeauaeeauaeeauaeeoeeeusgeauags 5 Project Settings Construction Types and Services 5 1 Project Settings ccccccseeceeeeeeeeeaeeeeeeeeueeeeueeeeuaeeaeeeuseeauags 5 1 1 Building Details seeren Er 5 1 2 Owner Details s en EEN RER 5 1 3 Certifier and insurance details ssesseeeeseeeeseeeueeeeuseeeeeeuseeanaes 5 1 3 1 Certifier details scsscsscssessessesnsessessesseseessescessesseessesseens 5 1 3 2 Related party disclosure transaction type vesesceneeeenenee Page 1 2012 BuildDesk Ltd Carbon Checker user manual 5 1 3 3 INsurance veere EEN EEN REN 44 5 1 4 Building settingS suser ERE 44 5 1 5 District heating parameters aan enn EEN Te ren ennen 45 5 1 6 Thermal Bridges Metal Cladding ss s s s 45 5 1 7 Thermal Bridges Non Metal Cladding serene ennen nerne 46 5 2 Wall Constructions cccccecceeseeeseessesseseesseeseeseseeessesseasennessenses 46 5 3 Floor Constructions cccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneaeeeseeeneees 49 5 4 Door Constructions sssssssss125 555 5 55225 u 05uu 5uuuuunnnnnn 51 5 5 Roof Constructions ccsceeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneseenseeeneaes 53 5 6 GIASS TYPES ED he eee Te 55 5 7 HVAC TYPOS LSE a ER ERR 57 5 7 1 Heating and cooling systeMS wessscesceeeeeeeeeeeeeeeeeeeeeeeuaeeaueeeaueneauas 59 5 7 2 Heating vcccencenceeneeneuneeneus
113. eeesseeeeneesseeeeeenaeessesseesensensens 128 6 3 3 Edit Surface Construction and Construction Parameters esse 129 6 3 4 Manually Define External Adjacency ss ssuussuunsssussnuununnnnnnnnnnnnn 129 6 3 5 Edit Floor Hole Areal isccsessessecnesseeeneneenseneeseeneeseenasensensennensensens 131 6 4 CAD image Import ccceseeeeeeeeeeeeeeeeeeeeeeaeeeeseeaeeeeaseonaeeaeaes 131 6 4 1 CAD AMP ORE weceeeeee ence eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeenneeeeeeseeenenenens 132 6 4 1 1 Attach CAD image File for Tracing s ssssssuunnnnnunnnnnunnnnnnnnnnnna 132 6 4 1 2 Detach CAD image File ssscssesseecseseeseesseseeeeeseeasesseasensensenees 132 6 4 1 3 View CAD image File sees enn 132 6 4 1 4 CAD image Options wesceceeneeneceneeneeeeeseeaeeeaueeuegeuaeueaeeaeeaneanes 133 6 4 1 5 CAD Text On Off seseesceeeseeeueeeeeeeueeeeeseeeueeeeeseeseueeeeuaeeaeeesouae 134 6 4 2 PDF iM Prt HEER SS KE ERE SENSE E BER EAO NE DSE SS SETS SENE SEL SES ES SED SENDELSER 134 Page 3 2012 BuildDesk Ltd Carbon Checker user manual 6 4 3 Picture ImMDOTE crnini DENE 139 6 5 Layers sssssssnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 141 6 5 1 Shadow Layers ieeseeeeeeeeeeeeeeeeeeeeeeaeaeeaeeeeauaeeeuaeeasseuaeeauaeeauaeeauas 141 7 The Treeview 143 7 1 Project NOES LL EET aaan ana naain 143 7 2 Layer NOdes cccccceececeeeeeeeeeeeeceeeeeueeeauaeeeuaeeeuaeseeeeesgeenseeensges 143 7 3 Zone NOES ju cccceeeeeeeeeeeeeeeeeeeeeeeeaeeeuaeeeuaeeeu
114. en you can enter your own value manually in the field below Air Permeability at 50pa Air permeability is the physical parameter used to quantify air tightness of the building fabric It measures the resistance of the building envelope to infiltration It is defined as the average volume of air in cubic metres per hour that passes through unit area of the building envelope in square metres when subject to an internal to external pressure difference of 50 Pascals The envelope area of the building is defined as the total area of the floor walls and roof separating the interior volume from the outside environment It is measured with ventilators closed If the air permeability at 50pa has been tested the value should be introduced here Otherwise a default value of 10 m3 h m2 will be used The notional building meets the pressure test requirements and has a permeability of 10m3 h m2 at 50 Pa Page 151 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 2 Surfaces inside the zone aang MR a Zone Name Example zone IT Zone is Placeholder only Space Type Conditioned adjoining space x Floor Area m pe Building Typeforce Height m 300 Zone Activity Openplanoffice y Zone Volume m 108 000 I Override Pay ead peace ler i deight For special cases like sloping roofs e Fabric Perfomance Surfaces inside this zone HVAC Settings DHW Settings Ventilation Settings Ex
115. ental standards Fabric amp Plant Improvement factors Notional Building The first exercise is to create a model that describes the building geometry state a standard activity schedule for each zone apply building fabric and specify the building services From this information the Notional building is created using the following setup criteria The same geometry orientation and operational usage as the building being evaluated The glazing area is not the same as the building being evaluated Glazing area for the Notional building is based on a fixed percentage of each external wall and roof and is independent of the building type The same weather conditions are used as the building being evaluated Standard operating patterns to allow consistent comparisons between buildings in the same sector Standardised assumptions for building fabric glazing and HVAC plant efficiencies e Any service not covered by Part L will be ignored in both the actual and notional building Although the above description uses terms specific to Part L calculations the same principles suitably modified also apply when performing the SBEM calculation to generate an EPC For more details on how the calculation results are converted into the Part L compliance results see Calculation basics Part Lh in the SBEM resources section of this document Page 8 2012 BuildDesk Ltd Carbon Checker user manual Introduction For more d
116. ergy Sources Strategic Guide 2006 Department of Communities and Local Government All documents are available to download from www planningportal gov uk National Calculation Tool information on BRE website Shows Carbon Checker s official accreditation and latest updates to SBEM www ncm bre co uk Carbon Trust Many useful guides including energy consumption best practices www carbontrust co uk CIBSE TM38 2006 Renewable Energy Sources for Buildings Guide Renewable Energy Systems guidance Available from the CIBSE bookshop at www cibse org CIBSE Low Carbon Consultants Register A register for professionals trained and able to comply with Part L of the Building Regulations 2006 www cibse org Metal Cladding amp Roofing Manufacturers Association MCRMA Information and guidance on metal cladding www mcrma co uk Combined Heat and Power Association CHPA Information and guidance on CHP systems www chpa org uk Page 192 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources 15 SBEM resources This section includes relevant extracts from the iSBEM User Guide 9th July 2008 and the NCM modelling guide 14th March 2008 used with permission 15 1 What is iSBEM SBEM and the NCM The Energy Performance of Buildings Directive EPBD 2002 91 EC of the European Parliament and Council dated 16th December 2002 requires that the energy performance of new buildings be evaluated with a calculation methodol
117. ermal bridge settings can be overridden on a zone by zone 16 basis Additional thermal bridges can also be specified for particular surfaces h2 windowshi and doors 12h Page 45 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 1 7 Thermal Bridges Non Metal Cladding Project Settings Project Name Test 1 Building Type Weather Zone Type of Analysis Engl and and Wales Building Regulations Part L x Global Air Permeability at 50pa 8 00 me h me Stage of Analysis fAsdesigned Sr Building Height Om Electric Power Factor Poking Booval F Override I System wams for out of range values I Building Uses Light Metering Project Details Building Details Owner Details Certifier Details Thermal Bridges Metal Cladding 1 Type of Junction User Psifw mK Accredited Detail wimk Roof wall o Wall ground Floor Wall wall corner Wall Floor not ground Floor Lintel above window or door Sill below window OOOOOOL Jamb at window or door Cancel In this section Global thermal bridging settings are stated for wall 4 amp and roof constructions s3i which do not use metal cladding As default as range of Linear Thermal Transmission Psi W mK values are provided If information is available for your specific building then these can be defined here These global thermal bridge settings can be overridden on a zone by zone t60
118. es the currently selected Construction Name the default for the Wall type External or Internal The Construction Name combo box contains a list of all the existing constructions that have been set up for this building The Edit button allows you to edit the currently selected Construction Name This is not available if there are no existing Construction Names e The Add button allows you to add a Construction Name The Delete button allows you to delete the currently selected Construction Name This is not available if there are no existing Construction Names Timme Note At least one of each type lt External and Internal Construction Name has to be defined in order for the Wall Constructions to be considered to have the minimum necessary for the button on the main screen to turn green When either Edit or Add is selected the following screen appears Page 47 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Add Wall Construction information Name Import From Library C Inference Procedures C Enter Manually m Import From Library Category Library M Inference Procedures Sector Date Construction Type U Value T Construction Involves Metal Cladding Internal Heat Capacity 1 Internal Heat Capacity 2 Cancel You select the Name for the Construction This can be anything you like but should ideally b
119. esk Ltd Carbon Checker user manual Building Geometry The mouse cursor will turn into a cross hair when the Mouse is moved over the Surface part of the screen In order to create a rectangular door press the left mouse button where you wish the door to start Hold down the left mouse button and move to where you want the door to finish You will see an outline of the door appear as a dotted rectangle as you move When you are happy with the door release the left mouse button When created the door should look something like this Edit Surface 4 for Zone New Zone 3 Area 26 6085m Edit Surface Tools Thermal Bridges 0 a i HA Rectangular doors can be drawn across the boundary between splitho surfaces the appropriate door areas will be allocated to each surface part 6 3 1 3 2 Create Freehand Door In order to enter Create Freehand Door Mode select Surface Create Freehand Door Mode from the menu or select the Create Freehand Door Mode button from the Toolbar le The mouse cursor will turn into a cross hair when the mouse is moved over the Surface part of the screen In order to create a Freehand Door click and release the left mouse button where you wish the first vertex of the door to be You will now find that you have a dotted line moving between the point you clicked and the mouse Keep left clicking at each point where you wish to create a new vertex
120. essing the Project Settings button at the left of the screen that looks like one of these Project Project Project B Settings B Settings a Settings In addition the Project Settings are available on page 2 31 of the Project Wizard Page 37 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services i Project Name SBEM Example Building Complete Building Type office X Weather Zone London Type of Analysis EPC England x NOS Level Level 3 M Stage of Analysis As built z M EPC is produced in Welsh language Additional check of Building Regulation 7 Building is of special conservation status Additional Parameters for Scottish Building Regulation Type of Building Other buildinas Rating with improvements kgCO2 m emissions IE Building is designed and built following the guidance in Accredited Construction Details S6 IE Building is fully naturally ventilated and will not overheat without the need for any mechanical ventilation IE Building implements lighting voltage reduction scheme Project Details Import project details Building Details Owner Details Certfier amp Insurance Details Building Settings District Heating Parameters Thermal Bridges Metal c4 gt It is not necessary to fill the fields in this tab in if you only want to perform a Quick Check They will be needed for a full SBEM calculation though Address 56 London Road C
121. etails on how the calculation results are converted into the results shown on an EPC see Calculation basics EPC 195 in the SBEM resources section of this document 1 3 When to use Carbon Checker Most calculation processes involve some approximations and compromises and SBEM is no exception SBEM uses CEN monthly heat balance methods This means that processes that vary non linearly over short periods have to be approximated or represented by monthly parameters eg HVAC system efficiencies On the other hand SBEM does include processes such as duct leakage thermal bridge calculations and infiltration allowances which may not be represented in other more complex packages Because Carbon Checker links to the SBEM calcalation engine the results are limited by the inputs and procedures used by SBEM This means that some buildings might not be adequately modelled by Carbon Checker if the building and its services cannot be described within the software or if some properties are included that vary non linearly over periods of the order of an hour Nevertheless the Carbon Checker SBEM approach is likely to be suitable for the vast majority of non domestic buildings Page 9 2012 BuildDesk Ltd Carbon Checker user manual Installation and Licensing 2 Installation and Licensing IMPORTANT Only Administrators can install and License Carbon Checker If you are not an administrator on your machine then please seek assistance from yo
122. euneueaunaeueeuaeunauaaenaeuaeuaenuguaaengeusengenaes 62 5 7 3 CORE ERE EEG Re 64 5 7 4 Ventilation sa ERE Er 65 5 7 5 System ACjUSKMENE saae nnana a aaa aaan 66 5 7 6 Control COrrectiOn seerne nune aa 67 5 7 7 System Controls sssssusaunsssnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 68 5 8 DHW Types seere ER 68 5 9 CHP ELENA DELE ED SEE bre 70 5 10 Renewable Energy Systems ccccccecseeseeseeseeseeeeeeeseeeeesessennens 72 5 10 1 Solar Hot Water SysteMS suser ERE RER 73 5 10 2 Photovoltaic SYStEMS iesseesseseeeeeeseeeeesseseeaeesseeseeeeessesseasensensenees 76 5 10 3 Wind Turbines vesccssesneeneeneeneeneeeeeeeeeneeseeeeeaseaseasenaeesaeaseasensensens 77 6 Building Geometry 80 6 1 2D View Features ccccsceeesceeeeeeeeeeeeeeeeeeeeeeeeeueeeeeeeuseeeesenansaes 80 6 1 1 View Sele ONE EET Eee 81 6 1 2 Moving Around in 2D View seem ERE ERE RER 82 6 1 2 1 ZOOMING in 2D View ssssssssusnnnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 82 6 1 2 2 Panning in 2D View seem ERE RER 83 6 1 3 Grid iN 2D VIEW ae Enke aaa 83 6 1 4 Intelligent SNAPPING wssseeseeseesceeeeeeeeeeeeeeaeuseuseueeeeeeuseusaueaeeaneaneas 83 6 2 ZONES seu ERNE 84 6 2 1 Rectangular Zone Creation anes er ene enker 85 6 2 2 Freehand Zone Creations Er anii 86 6 2 3 ROOF eget re pres ns Er SE SS ES ESS ES SEES SE ESS a aaa aa a SSSE SE SEE SEES RES 89 6 2 4 Zone Selection MOE yen ennei eger 92 6 2 5 Move Zone MOdE uens 92 6 2 6 Move Zone s Precisely sss s s
123. fault parameters which the tool uses to calculate the energy consumption These parameters include temperature set points heat gains from people lighting and equipment and fresh air requirements amongst others Each building type has a number of different activity areas from which to choose from Zone is a placeholder only This is to be checked if the zone that you are defining is just a placeholder This means that although the zone will be defined it will not be sent down to SBEM This can be used in situations where a building is being built directly next to an existing building where adjacency with the zone is needed to be determined but the zone itself does not need to be sent down This feature is also useful if you are developing a mixed development which contains both domestic and non domestic zones The domestic zones cannot be calculated using SBEM but they still need to be there in order that the non domestic zones that have adjacency with them are determined correctly NOTE If a zone is set to be a placeholder then many of the other fields on the screen become invisible e g Zone Type Fabric Performance etc as they are no longer relevant Area m Floor area of the zone in m2 Height m Height of the zone from the bottom vertex to the top vertex To accept the changes you have made select OK To abandon them select Cancel There are up to 6 further tabs available e Fabric Performance tsh e Surfaces inside th
124. fault value will be used Guidance on the calculation of seasonal heat generator efficiency can be found in the Non Domestic HVAC Guide available on the Department for Communities amp Local Government s website The default value is based on whether or not the boiler is in the Enhanced Capital Allowance ECA list If not you then need to select whether it was installed after 1998 Once all the required selections have been made press the Get button and the default seasonal efficiency will be generated Radiant Efficiency Please define the heating system s radiant efficiency If you know the radiant efficiency it can be introduced manually into the interface otherwise a default value will be used Guidance on the calculation of seasonal heat generator efficiency can be found in the Non Domestic HVAC Guide available on the Department for Communities amp Local Government s website at www planningportal gov uk The default value is based on whether or not the generator is in the Enhanced Capital Allowance ECA list Once all the required selections have been made press the Get button and the default seasonal efficiency will be generated Page 63 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 7 3 Cooling Add HVAC Type Information Name HVAC Type I This System Uses CHP Heating i Ventilation System Adjustment Control Correction
125. ference building should be the same for all buildings of a given type In order to provide this consistency the reference building must be the same irrespective of a whether the actual building is naturally ventilated or air conditioned and b the fuel choice in the actual building The insulation levels and HVAC efficiencies in the reference building are identical to the 2006 Part L notional building except that certain parameters in the reference building are fixed subject to conditions below irrespective of features in the actual building please refer to the 2010 NCM Modelling Guide available from www ncm bre co uk for the detailed description of the reference building These aspects are a The heating and hot water service is always met by a gas fired system irrespective of whether a fuel other than gas is used in the actual building or is even available in the locality of the actual building Page 195 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources b The spaces in the reference building have a fixed servicing strategy regardless of the strategy adopted in the actual building except if the corresponding space in the actual building is unconditioned see below Therefore e Each space is heated to the heating setpoints defined in the activity database irrespective of whether the particular space in the actual building has heating provision or not except if the corresponding space in the actual bu
126. g Constructions from the menu or pressing the Floor Ceiling Construction button at the left of the screen that looks like one of these Floor Ceiling Floor Ceiling Construction Construction In addition the Floor Ceiling Constructions are available through the button on page 3 32 of the Project Wizard Edit Floor Ceiling Constructions M External Constructions Make Default Construction Name A Default Edit Add Delete M Internal Constructions Make Default Z Defaut Edit Add Delete Construction Name There are two sets of controls on this screen one for External Constructions at the top and another for Internal Constructions at the bottom The controls on this screen work as follows The Make Default button makes the currently selected Construction Name the default for the Floor Ceiling type External or Internal The Construction Name combo box contains a list of all the existing constructions that have been set up for this building The Edit button allows you to edit the currently selected Construction Name This is not available if there are no existing Construction Names e The Add button allows you to add a Construction Name The Delete button allows you to delete the currently selected Page 49 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Construction Name This is not available if there are no existing
127. g message This is because if we change any vertices on surfaces that have windows doors they are removed In this case we say Yes Warning If you make this modification any windows doors on any affected surfaces will be removed Are you sure you want to continue Don t show this again The adjustment has worked Of course now we have lost the windows and doors Page 98 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry BF 3D Zone Edit Office 3 Ground Floor Do not show Windows Doors Vertex No O X Coord Outline Windows Doors O Y Coord O Z Coord 1 2 3 4 5 6 7 8 0 000000 7 500000 7 500000 0 000000 0 000000 7 500000 7 500000 0 000000 14 000000 C 14 000000 L 7 000000 7 000000 14 000000 LJ 14 000000 C 7 000000 _ 7 000000 0 000000 C 0 000000 C 0 000000 c 0 000000 5000000 M 5 000000 CO 5 000000 O 5 000000 lt 3 vertices in such a way as it would cause the zone to be unable to exist in reality For example if we were to take just one of the ceiling vertices in the above example and try to move it up 2 metres a ceiling with vertices like that could not exist so this will be prevented You can modify it like this but you will not be allowed to press OK until the problem has been rectified 2 Adjust Selected Isometric View Plan View OK Cancel Isometric View sets the view from a s
128. ge Specific Fan Power M Does the AHU meet CEN leakage standards No use default leakage Cooling Wills Heating Wils Aux Energy Wils Yes it meets next CEN classification Cancel The fields on this screen have the following meanings Has the Ductwork been leakage tested If the ductwork has been tested or design targets set for the building the appropriate CEN classification for air leakage can be entered by clicking the radio button Yes it meets the CEN leakage classification below and choosing from the drop down list Class A Class B worse than Class A Different classes refer to the maximum air leakage obtained for the HVAC ductwork at different test conditions according to the CEN standard EN 13779 HVCA DW144 1 recommendations are equivalent to e Class B Medium Pressure 500 to 1000 Pa e Class A Low Pressure up to 500 Pa e Worse than Class A less than 500 Pa Note Where the pressure values indicate inside to outside test pressures Specific Fan Power Please define the Specific Fan Power in watts litre second The default value is set up to be 3 W I s this is a default value for systems in existing buildings for which there is no specific information This default value is not compliant with ADL2A so the planned or installed value should be used Does the AHU meet CEN leakage standards The leakage classes references the previous EN 1886 AHU classes A L3
129. ge 16 2012 BuildDesk Ltd Carbon Checker user manual Tutorial insulation 9 We have added an External Floor Type of Solid Ground Floor and Solid Ground Floor 2006 from the library return to the Add Edit Delete Floor dialog and add one Internal Floor Type of Suspended Floor and Suspended Floor 2006 from the library Project Wizard Building Constructions and Types aie Edit Floor Ceiling Construction information for Ground floor Name Ground foo Import From Library Irderence Procedwes Import From Library Solid ground Bloor Sobd gourd Boce 2006 10 We have added a standard roof type using the library of Pitched Roof and Pitched Roof 2006 11 We have added one Door Type of Personnel and Insulated Type 12 In this example under Glass Types we have added one double glazed coated argon filled hardwood framed glass type with insulated warm edge spacer Page 17 2012 BuildDesk Ltd Carbon Checker user manual Tutorial Edit Glazing information for Double Glazing Name Double Glazing impot From Libtary C Irtetence Procedces Erte Manualy Import From Library Glazing 4124 coated wgon fded z Hardwood window hame zj Hardwood frame insulated warm edge spacer sa UVaue Total Solar Transmittance Visible Solar Transmittance 13 Next we need to enter a very simple HVAC strategy actually just heating with radiators so in
130. gure Zones button Configuration near the bottom left of the main screen You will be presented with a screen similar to this Configure Zone Settings coe of Zone Attributes for Pasting IV General Settings IV Fabric IV Ventilation amp Exhaust IV Lighting M HVAC iv DHW Select All Select None HVAC DHW Default DHW generator sf Copy Attributes Paste Attributes Default DHW generator A Copy Attributes Paste Attributes Default DHW generator l Copy Attributes Paste Attributes Default DHW generator E Copy Attributes Paste Attributes Default DHW generator Copy Attributes Paste Attributes Default DHW generator Bl Copy Attributes Paste Attributes Default DHW generator m Copy Attributes Paste Attributes Default DHW generator f Copy Attributes A Default DHW generator f Copy Attributes Paste Attributes Default DHW generator A Copy Attributes Paste Attributes Default DHW generator Copy Attributes Paste Attributes Default DHW generator m Copy Attributes Paste Attributes Default DHW generator A Copy Attributes Close BAR SERVERY RADIATORS F4 STORE RADIATORS F6 STAIRWELL RADIATORS F7 F8 TOILETS RADIATORS F5 CLEANERS STORE RADIATORS F13 STORE RADIATORS F15 MEETING RM RADIATORS LIFTWELL RADIATORS F18 STORE RADIATORS F26 LOBBY RADIATORS FIRST FLOOR FOYER FAN CONVECTORS F22
131. h Picture for Tracing PIC Detach Picture View Picture Picture Options e The Picture Options Dialog in the toolbar contains no buttons for selecting a different page o Aa AQ RF oe Length of measure unit in metres rea Page 140 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 5 6 5 1 Layers Layers are a way of splitting the design of your building into a number of conceptual groupings You can add new layers in the TreeView 1437 by right clicking on the root node and selecting Add Layer Each Layer can be viewed in the 2D View 807 by clicking on it in the TreeView 1431 You might wish to group zones according to which storey they are on or zones with similar characteristics e g all Offices or all Classrooms etc It is up to you Equally you may wish to simply use one Layer This is also perfectly valid Once you have set up Layers you can toggle on Shadow Layersh4 to help you create your building model Shadow Layers Shadow Layers are used to allow you to see what the current layer looks like superimposed over another layer 14h which is greyed out In order to enter set up a Shadow Layer select 2D View Configure Shadow Layer from the menu or select the same option from the right click menu on the 2D Viewls You will then be presented with a dialog similar to the following Configure Shadow Layer for Layer 1 I Make Shadow Layer Visible for Laye
132. haust Settings Lighting Information 14 gt Name Type Multiplier Area m7 Orientation Ja Surfacename Surface 1 Wall 1 15 000 East Wal Surface 1 intemal walls Ae With SBEM 3 5 a new adjacency condition has been introduced called same space This new adjacency condition applies when there are internal separating walls between contiguous zones For example if you have a row of 4 hotel rooms that are identical in every way you could previously have drawn these 4 zones as one large one However you are now required to enter the total area of the separating walls between those 4 merged zones You should enter any such separating walls in the Surfaces inside this zone tab The SBEM calculation will treat these walls as having the adjacency condition same space Before this change to SBEM was introduced the separating walls within a large contiguous zone could have a significant thermal mass that was being ignored by the calculation Now the contribution of these walls to the building s thermal mass is taken into account You only need to enter separating walls of they are of a heavy construction lightweight walls can be omitted Page 152 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 3 HVAC Settings f Zone Settings for Example zone Zone Name Eampezzne I Zone is Placeholder only Space Type Conditioned adj iningspace vx Floor Area
133. have it If so the steps are e Select Yes This will take a few seconds e Select Yes e Check I agree and Select Install This will take a few minutes e Select OK on completion of the NET installation 4 At this point you may be prompted to install MDAC If so select Yes Please note that this step can take a while maybe a minute or so 5 Now the main installation continues Select Next 6 Select Next 7 Select Install This will take a few seconds 8 You may be prompted to reboot your system If so you should select the Yes option 9 Select Finish If your system is not rebooting then Carbon Checker will launch Otherwise you will need to run Carbon Checker from windows upon rebooting After launching the first thing that Carbon Checker tries to do is check over the internet to see if there are any later versions or patches to download and install If you have internet access and you are prompted that updates are available then please follow the instructions to download and install them The installation step to follow after it has downloaded will be similar to or the Page 10 2012 BuildDesk Ltd Carbon Checker user manual Installation and Licensing same as above After launching you will be presented with a screen similar to this Carbon Checker Client Key 3793 93DF 348D 8DDF Copy Client Key License Key fo Baste License Key OK Cancel The first thing you will need to do after r
134. he accreditation scheme If there are differences this might lead to the failure of an attempt the lodge the EPC 5 1 3 2 Related party disclosure transaction type In this section a declaration has to be made of any potential conflicts of interest such as a family member being the building owner The type of transaction also has to be specified Page 42 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Project Settings Project Name New Carbon Checker 1 5 Building Type Community day centre Weather Zone Cardiff Type of Analysis EPC Wales NOS Level Level 3 X v Stage of Analysis As built I Building is of special conservation status I EPC is produced in Welsh language I Additional check of Building Regulation J Create HTML Data Reflection Reports Additional Parameters for Scottish Building Regulation Type of Building Rating with improvements kgCO02 n emissions I Building is designed and built following the guidance in Accredited Construction Details 56 T Building is fully naturally ventilated and will not overheat without the need for any mechanical ventilation FT Building implements lighting voltage reduction scheme Project Details Import project details Building Details Owner Details Certifier amp Insurance Details Building Settings District Heating Parameters Air Conditioning Inspection T_4 gt Load
135. he zone 153 The HVAC Types can be edited by selecting Building Configure HVAC Types from the menu or pressing the HVAC Types button at the left of the screen that looks like one of these BB Hvac Types HVAC Types In addition the HVAC Types are available through the button on page 3 32 of the Project Wizard Edit HVAC Types HVAC Type Name es Detaut Edit Add Delete OK The controls on this screen work as follows The Make Default button makes the currently selected HVAC Type the default for all zones The HVAC Types combo box contains a list of all the existing HVAC settings that have been set up for this building The Edit button allows you to edit the currently selected HVAC Type This is not available if there are no existing HVAC Types e The Add button allows you to add a HVAC Type The Delete button allows you to delete the currently selected HVAC Type This is not available if there are no existing HVAC Types terme Note At least one HVAC type has to be defined in order for the HVAC Types to be considered to have the minimum necessary for the button on the main screen to turn green When either Edit or Add is selected the following screen appears Page 57 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Add HVAC Type Information Name HVAC Type Heating Cooling Ventilation System Adjustment Control
136. hermal Seasonal Efficiency Please state the seasonal efficiency of the CHP system For more information on how to calculate this seasonal efficiency please refer to the Non Domestic Page 71 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services HVAC Guide published as a second tier document with ADL2A Building Space Heat Supplied Please specify the percentage of the building space heating demand supplied by the CHP generator Building DHW Supplied Please specify the percentage of the building DHW demand supplied by the CHP generator Heat to Power Ratio Please specify the heat to power ratio of the CHP generator To accept the changes you have made select OK To abandon them select Cancel 5 10 Renewable Energy Systems RES Types Renewable Energy Systems are project wide settings that allow Solar Hot Water Systems Photovoltaic Systems and Wind Turbines to be added to the project Individual RES Types can be edited through the Renewables menu or pressing the RES Types button at the left of the screen that looks like one of these rcs Types rcs Types In addition the Renewable Energy Systems are available through the button on page 4 33 of the Project Wizard Renewable Energy Systems a The addition of renewable energy systems can provide a substantial reduction in a building s carbon emissions and may alow certain developments Lo pass Building Regula
137. iate 9 1 1 Legislative background The main driver behind the latest revision to Building Regulations Part L was the Energy Performance of Buildings Directive EPBD 2002 91 EC This Directive was released by the European Parliament on 16th December 2002 and calls for member states to implement a number of initiatives that will reduce the environmental impact of buildings through the use of structured design and operational procedures In response to this Directive the UK Government Department for Communities and Local Government DCLG commissioned the development of a National Calculation Methodology NCM for energy performance of buildings The EPBD calls for the certification of the energy performance of buildings when constructed rented out or sold This requirement for energy performance certificates EPCs is now in force for all buildings with a few exceptions such as places of worship and unheated agricultural buildings The initial use of the NCM was for compliance with the 2006 amendments to Part L of the Building Regulations in England and Wales The NCM is required for compliance with Advisory Documents ADL1A and ADL2A but not for Page 6 2012 BuildDesk Ltd Carbon Checker user manual Introduction situations covered by ADL1B and ADL2B Similar amendments will be made in Scotland and N Ireland For dwellings with a few exceptions the NCM consists of a new version of the existing Standard Assessment Procedu
138. ice Height m 3 000 Zone Volume m 108 000 I Override The zone volume is calculated as Floor Area Height For special cases like sloping roofs please override the zone volume and enter the exact value Zone Activity Open plan office x Fabric Performance Surfaces inside this zone HVAC Settings DHW Settings Ventilation Settings Exhaust Settings Lighting Information 14 gt DHW Type DHW Pipe Length metres This is where you can edit the zone s DHW type You can also get to this screen by selecting Zone Edit Zone DHW Type CTRL D from the menu You can select the DHW Type from the available drop down list There must be a DHW assigned for every zone If there is no DHW for a zone directly then please select the DHW most closely associated with it so it is counted towards the overall DHW load The DHW Pipe Length metres setting needs to be filled in for zones which are served directly with DHW such as toilets and tea rooms Please specify the length of the dead leg to the outlet in the space in metres 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 5 Ventilation Settings Zone Settings for Example zone Zone Name Examplezone iti s S s S IT Zone is Placeholder only Space Type Conditioned adjoining space v Floor Area m 36 Building Type Office Height m 3 000 Zone Activity Openplanofice
139. ide on and above perspective like above Page 99 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 2 8 6 2 9 3D Zone Edit Office 3 Ground Floor C Do not show Windows Doors Outline Windows Doors Vertex No O X Coord O Y Coord Z Coord 0 000000 14 000000 0 000000 2 7 500000 C 14 000000 C 0 000000 Adjust Selected C 7 500000 C 7 000000 C 0 000000 T 0 000000 7 000000 7 0 000000 0 000000 14 000000 5 000000 lzomatic View T 7 500000 T 14 000000 5 000000 Plan View O 7 500000 C 7 000000 C 5 000000 C 0 000000 C 7 000000 C 5 000000 OK Cancel 1 2 3 4 5 6 7 8 Plan View sets the view from an on top perspective like above To accept the changes you have made select OK To abandon them select Cancel Copy Zone s In order to copy a zone or zones select the zone s ls and then select Zone Copy Zone s CTRL C from the menu or select the same option after right clicking on the zone s in the 2D View sc or TreeView 143 The zone s will now be copied into the copy buffer ready for pasting Paste Zone s In order to paste a zonel s or zones after they have been copied select Zone Paste Zone s CTRL V from the menu or select the same option after right clicking on the zone s in the 2D Viewls or TreeView 143 A copy of the zone s will now be pasted and will appear in the 2D View 807 and TreeView 145 Page 100 2012 Build
140. ide this zone HVAC Settings DHW Settings Ventilation Settings Exhaust Settings Lighting Information 1 j gt Thermal Bridges IV Tick here to use global Psi values Air Permeability at 50pa IV Use building global air permeability 8 00 3 m h m You select the name for the Zonels4 This can be anything you like but should ideally be something sensible e g Office 1 The other general fields on this screen have the following meanings Space Type Please select a space type from the list provided This will be used by the Carbon Checker adjacency calculator when determining what surfaces are adjacent to this zone Building Type This field will default to the Building Type that was entered in the overall project settings As different zone activities are available depending on the Building Type you can change your selection on a zone by zone basis in order to have the full selection of the activity types available from the NCM database Page 149 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration Zone Activity Select the activity type being undertaken in the specific zone from the drop down menu A building can be divided into a number of activity areas For example in an office there may be a reception open plan office some cellular offices a tea room and some toilets When you choose your building type and activity area you are setting a number of de
141. ild and Existing building refurbishment Building plans Plans and Are plans sections site plan schedules should available How old be available at are they Can they this stage What be used What geometry and degree of detail do degree of detail do orientations they show For the plans show instance have Have there been decisions been changes to the made on usage of jinternal layout each space in the with consequent building effects on activity area type and geometry Page 197 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources Item Requirements Potential issues and experiences New build and Existing building refurbishment Don t assume that adequate information on an existing building can be obtained easily Any planning should include time to physically survey at least some parts of the building Note that there may be practical obstacles to overcome such as measuring zone dimensions without specialist tools to hand Detail drawings schedules of construction details Detail drawings and schedules Are drawings and schedules should be available How available What up to date are degree of detail dolthey What degree they show For of detail do they instance do show Have there details show been changes for junctions and instance hence thermal replacement bridges Do they _ windows rely on the reroofing or constructors to additional
142. ilding is totally unconditioned see below e Each space is cooled to a fixed cooling setpoint irrespective of whether the particular space in the actual building has cooling provision or not except if the corresponding space in the actual building is totally unconditioned see below e Each space which is unconditioned i e unheated and uncooled in the actual building will also be unconditioned in the reference building e Each space is naturally ventilated irrespective of whether the corresponding space in the actual building has natural or mechanical ventilation The CO2 emissions arising from the use of the fixed building services in the reference building in kgCO2 m2 annum are calculated the Reference Emission Rate or RER and then adjusted by an improvement factor of 23 5 This adjusted CO2 emission rate in kgCO2 m2 annum is termed the Standard Emission Rate SER i e SER RER 0 765 It is not intended that the definition of the reference building should change as Part L standards change since this would mean that the energy rating of a given building would also change even if its energy efficiency had not been varied Therefore the reference building is always as defined above please refer to the 2010 NCM Modelling Guide available from www ncm bre co uk for the detailed description of the reference building The Asset Rating AR is simply the ratio of the CO2 emissions from the actual building i e the BER t
143. illustrated above DHW Generator The DHW system that this Solar Hot Water System relates to Orientation Please state the orientation of the solar collectors from the list provided Inclination Please specify the inclination of the solar collectors in degrees from the horizontal 0 degrees represents a horizontal surface and 90 degrees a vertical surface Area m Please state the area of SHW collectors to be installed or an area for calculation Multiplier If more than one SHW system is to be provided on the building please state the number of systems You also need to specify on this screen the performance parameter for the solar collector Page 74 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services The second and third tabs are Solar storage and collector loop Edit Renewable information for Solar Hot Water System Name New system Collector parameters Solar storage amp Collector loop Ausiliary energy amp Distribution losses m Solar storage A Do you know the heat transfer rate of the heat exchanger in the collector loon Solar storage volume litres 800 w4 5 There is no heat exchanger Solar pre heating type Separate solar cylinder Y No use default value Insulation type Uninsulated X r C i 0 0025 PE mm z Yes value is wK r Do you know the overall heat loss coefficient of all pipes in the collector loop
144. indow Mode select Surface Create Freehand Window Mode from the menu or select the Create Freehand Window Mode button from the Toolbar La The mouse cursor will turn into a cross hair when the mouse is moved over the Surface part of the screen In order to create a Freehand Window click and release the left mouse button where you wish the first vertex of the window to be You will now find that you have a dotted line moving between the point you clicked and the mouse Keep left clicking at each point where you wish to create a new vertex If at any point you make a mistake click the right mouse button and this will remove the most recently added vertex tm Note A Freehand Window must 7 have at least 3 vertices otherwise it cannot physically exist When you wish to finish the freehand window you do not need to link the first and last vertices manually this will be done when you close the window by pressing C or Enter on the keyboard When created the window should look something like this Page 109 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Edit Surface 4 for Zone New Zone 3 Area 26 6085m Edit Surface Tools Thermal Bridges ce AOLDEPFP SH QQaQ 8 T Freehand windows can be drawn across the boundary between splitho surfaces the appropriate window areas will be allocated to each surface part 6 3 1 2 3 Edit Glass Type This screen is invoked either from th
145. ing floor void ceiling void and floor slab Used for calculating length of wall to wall junctions radiant and temperature gradient corrections and air flow through the external envelopes due to the stack effect Floor area of zone calculated using the internal horizontal dimensions between the internal surfaces of the external zone walls and half way through the thickness of the internal zone walls Zone Area Internal horizontal dimension CEED Used to multiply area related parameters in databases Area basis needs to be consistent with that for operational ratings NB If the zone has any virtual walls one needs to consider the area of the zone as that delimited by the line created by that virtual wall Building Total Sum of zone areas Used to check that all zones have been entered Floor Area Page 202 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources Parameter Definition Envelope Area Area of vertical envelopes walls h w where h floor to floor height floor to soffit on top floor i e including floor void ceiling void and floor slab w horizontal dimension of wall Limits for that horizontal dimension are defined by type of adjacent walls If the adjacent wall is external the limit will be the internal side of the adjacent wall If the adjacent wall is internal the limit will be half way through its thickness NB Areas of floor ceilings and flat roofs
146. ing the recommendation in the actual building LONG payback is gt 7 years MEDIUM payback is gt 3 years and lt 7 years SHORT payback is lt 3 years If you know the exact figure for Page 166 2012 BuildDesk Ltd Carbon Checker user manual EPC recommendations payback time in years use the next parameter instead Payback number Here you can input in years the typical payback time for implementing the recommendation in the actual building If you do not know the exact figure for payback time in years use the previous parameter instead The Category Code Recommendation and Referenced object fields are unavailable as the user is not allowed to modify these parameters of NCM recommendations After editing deleting or adding any recommendations you need to re run the calculation in order to re generate the Recommendations Report with all your editing applied Page 167 2012 BuildDesk Ltd Carbon Checker user manual EPBD audit 10 EPBD audit This is accessed by pressing the Recommendation button on the left hand side of the screen and is where the user can record the source of information for QA auditing purposes Concise evidence for Construction Concise evidence for Geometry Concise evidence for HVAC amp DHW Concise evidence for Lighting Please introduce concise supporting evidence for over writing default values of constructions Accept default Assessor walk through inspec
147. insulation to the exposed surfaces of floors adjacent to underground unheated spaces or extenor ENVELOPE EPCE2 BUILDING NO Roof is poorly insulated Install or improve insulation of roof ENVELOPE EPCE3 BUILDING NO Some solid walls are poorly insulated introduce or enprove internal wall insulation ENVELOPE EPC E4 BUILDING NO Some walis have uninsulsted cavities introduce cavity wall insulation ENVELOPE EPCES BUILDING NO Some windows have high U values consider installing secondary glazing ENVELOPE EPC E6 BUILDING NO Some loft spaces are poorly insulated instoll improve insulation neworded ENVELOPE EPC E7 BUILDING NO Carry out a pressure test identify and trest identified sir leakage Enter result in EPC calculstion s gt Add user recommendation Ot re ation e user re endaton Recommendations I Included in report TT Edited by the user TT User taken out Category z Code Referenced Object 7 Recommendation kb w Assessor Comments w Energy Impact CO2 Impact CO2 saved per spent Payback if not exactly known Poybock in yeors di Hf Hf RH 0000000 Once the Asset Rating has been calculated the EPCgen module produces the EPC and the recommendations report which contains the NCM and user defined recommendations for energy efficiency improvements to the actual building The Recommendations button down the left hand side of the screen is only enabled if an EPC is being calculated i
148. ion the Glass Types are available through the button on page 31 32 of the Project Wizard Edit Glass Types Make Default Glass Type Name D y Default Edit Add Delete The controls on this screen work as follows The Make Default button makes the currently selected Glass Type Name the default for the glass type windows The Glass Type Name combo box contains a list of all the existing Glass Types that have been set up for this building The Edit button allows you to edit the currently selected Glass Type Name This is not available if there are no existing Names e The Add button allows you to add a Glass Type Name The Delete button allows you to delete the currently selected Glass Type Name This is not available if there are no existing Names tm Note At least one Glass Type has to L 7 be defined in order for the Glass l Types to be considered to have the Page 55 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services minimum necessary for the button on the main screen to turn green When either Edit or Add is selected the following screen appears Edit Glazing information for new Glass Type Name Import From Library C Inference Procedures Enter Manually Import From Library Glazing Frame Material Frame Inference Procedures Date Panes Coating Material U Value Total Solar Transmittance Visible Sola
149. ired fields for at least a test run of the calculation you will be prompted 4 3 4 Renewable Energy Systems Renewable Energy Systems The addition of renewable energy systems can provide a substantial reduction in a building s carbon emissions and may alow certain developments Lo pase Building R ions Pait L24 where they would otherwise fall The application of renewable enen ay systems only be considered alter energy efficency measures have been applied to the pn of the building and its services For further advice on the fessbity of venous renewable energy systems for your development please see the services Southtacing can provide at Hip www southfeeing co uk OK This wizard page gives you the opportunity to configure renewable energy systems for the building Note As none of the available renewable energy systems are mandatory for a building they will always be green i e valid LP All buttons on this screen represent settings that can be reached from the main Carbon Checker screen via the RES Types button See these sections for more information e Solar Hot Water Systems 7s e Photovoltaic Systems 7e Page 33 2012 BuildDesk Ltd Carbon Checker user manual Getting Started e Wind Turbines 7 Select Next to move to the next page of the wizard or Previous to move to the previous page 4 3 5 Project Wizarc Wizard End Finished Basic Settings Wizard End Page The basic settings fo
150. is detail without having to manually draw a window of the correct dimensions tm Note You do not need to worry about the exact shape or dimensions of windows on a surface as SBEM is only interested in the overall glazing on a surface This screen is invoked from the Surface screen by selecting Surface Set Glazing Override CTRL O from the menu or selecting the button on the toolbar Page 114 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry The screen will look similar to the following Glazing Override Do Not Override Glazing C Glazing Percentage C Glazing Surface Area nr Note If either the percentage or the surface area are used this value will be used instead of any windows that you may have designed on the main wall screen Edit Glass Type Edit Window Settings Cancel The controls displayed have the following meanings Do Not Override Glazing This means that there is no overriding of glazing Glazing Percentage This overrides the glazing on a surface with a percentage This effectively determines how much glazing is on the surface as a percentage of the surface area Glazing Surface Area m2 This overrides the glazing with a specific area Edit Glass Type Invokes the Edit Glass Type 110 screen for this overriding glazing Edit Window Settings Invokes the Edit Window Settingsh screen for this overriding glazing m Note Once Glazing Overrid
151. ith permanent curtain Page 189 2012 BuildDesk Ltd Carbon Checker user manual Glossary Curtain Type Optical Properties of Reduction Factor Curtain Absorption raami Curtain Curtain Inside Outside White 0 05 o0o5 0 25 0 10 Venetian 0 1 0 30 0 15 0 3 0 45 0 35 White 0 1 0 5 0 65 0 55 Curtains 0 7 0 80 0 75 0 9 0 95 0 95 Coloured 0 3 0 1 0 42 0 17 077 77 0 57 57 0 2 es 05 0 2 0 08 Aluminium Coated Textiles Note Movable curtains and movable solar protections are taken into account when defining each specific window where the user needs to define the window shading system Additional Thermal Bridging Additional thermal bridging at junctions and around openings which is not covered in Accredited Construction Details 1 or MCRMA guidance 2 needs to be accounted for and this may be done using the method in BRE Information Paper IP 1 06 making use where appropriate of the new publication on conventions for temperature factors and linear thermal transmittance 3 For buildings in Scotland accredited construction details are given in the SBSA website http www sbsa gov uk 1 Accredited Construction Details for limiting thermal bridging and air leakage Details on http www odpm gov uk 2 Design of metal roofing and cladding systems guidance to complement Approved Documents L2A and L2B MCRMA Technical paper no 17 joint pub
152. ity London Postcode sw23 THA Location Description UPRN 123456789012 Inspection Date 2008 08 14 v Job reference The table below lists the main Project Setting fields and their meanings Project Name This is the name of the project as you entered it when first created There is no limit to the length of this but it should be kept to something sensible and meaningful Note This is not related to the name of the project file which is named separately Building Type Please select a building type from the list provided Depending on which building type selected different zone activity profiles will become available Weather Zone Please select a regional weather zone from the list provided If your actual location is not presented please select the closest available The Weather Zones available are dependent upon the Type of Analysis selected see below Type of Analysis This can be either a Building Regulations check or an EPC calculation Each can be done for England Wales Scotlan Northern ioreland or the Republic of Ireland Stage of Analysis This is either As designed or As built and relates to the stage you are at Page 38 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 1 1 when running the model In the case of EPCs the only relevant option is As built There Import project details button Import project details lets you im
153. k There is also potential for part funding under the DTI Low Carbon Buildings Programme Edit Photovoltaic Systems Photovoltaic Systems Edit Add Delete mu The controls on this screen work as follows The Photovoltaic Systems combo box contains a list of all the existing Photovoltaic Systems that have been set up for this building The Edit button allows you to edit the currently selected Photovoltaic System This is not available if there are no existing Photovoltaic Systems e The Add button allows you to add a Photovoltaic System The Delete button allows you to delete the currently selected Photovoltaic System This is not available if there are no existing Photovoltaic Systems When either Edit or Add is selected the following screen appears Page 76 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Edit Renewable information for Photovoltaic System Name PO Watt Peak Type Amorphous silicon 0 rl Orientation South Inclination Area mf Multiplier You select the name for the Photovoltaic System This can be anything you like but should ideally be something sensible e g PV System Type 1 The other fields on this screen have the following meanings Watt Peak Type Please choose a type of PV collector from the list provided The most common types specified are monocrystalline and polycrystalline Orientation Please state the
154. ker files have the extension ccz These files are compressed so are much smaller than the ccp project files created with previous versions of Carbon Checker Page 29 2012 BuildDesk Ltd Carbon Checker user manual Getting Started 4 3 4 3 1 An existing project can be opened by selecting File Open CTRL O This can also be achieved by selecting the Open Existing Project toolbar button SJ You will be presented with a standard Windows File Open dialog There is also a Recent Files List option under the File menu which allows you to select up to the 8 most recently opened files Selecting File Close from the menu will close the current project Note If you perform an operation that would cause you to close an existing file that has not been saved you will be prompted and given the opportunity to save the current file first Project Wizard The Project Wizard can be launched by creating a new project selecting Project Project Wizard from the menu or pressing CTRL W or pressing the Project Wizard button at the top left of the screen that looks like this 7 wizard The Project Wizard takes you through the following steps Project Wizard Introduction 30 Project Settings 3 Building Constructions and Services 321 Renewable Energy Systems 337 Wizard End s44 Introduction Page If you have not run the wizard before then the first page that will appear is the introduction that describes a little abo
155. ks like one of these Hw Types OHW Types In addition the DHW Types are available through the button on page 3 32 of the Project Wizard Edit DHW Types DHW Type Name x Edit Add Delete The controls on this screen work as follows e The DHW Types combo box contains a list of all the existing DHW Types that have been set up for this building e The Edit button allows you to edit the currently selected DHW Type This is not available if there are no existing DHW Types e The Add button allows you to add a DHW Type e The Delete button allows you to delete the currently selected DHW Page 68 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Type This is not available if there are no existing DHW Types mn lt 3 to be defined in order for the DHW Types to be considered to have the minimum necessary for the button on the main form to turn green When either Edit or Add is selected the following screen appears Add DHW Type Information IV This DHW is Post 1998 Heat Generator Type Dedicated DHW boiler Fuel Type Natural gas I This is a Storage System F This System has Secondary Circulation Storage Volume litres Storage Losses MJ month HE ER eta Pump Power kw r Generator Seasonal Efficiency Use Default Loop Length m C Enter Manually 0 000 You select the Name
156. l Project Settings Construction Types and Services To accept the changes you have made select OK To abandon them select Cancel 5 4 Door Constructions Door Constructions are used in the project to define what types of doors exist in the building When the geometry 80 of the building is defined these constructions are applied to the surfaces that are doors The default Door Construction will automatically be applied for all doors These can be modified individually by editing the Surface Construction and Construction Parameters h29 The Door Constructions can be edited by selecting Building Configure Door Constructions from the menu or pressing the Door Construction button at the left of the screen that looks like one of these Door Door Construction Construction In addition the Door Constructions are available through the button on page 3 32 of the Project Wizard Edit Door Constructions External Constructions Make Default Construction Name ns Default Edit Add Delete There is only one set of controls on this screen for External Constructions since only External Doors are considered as part of an SBEM Building Control Submission The controls on this screen work as follows e The Make Default button makes the currently selected Construction Name the default for the Door type e The Construction Name combo box contains a list of all the existing Page 51 2012 BuildDesk Ltd Carbon
157. lation while simplifying the user s need to obtain raw building construction data Note SBEM is issued by DCLG as a Building Regulations compliance and EPC production tool not as a design tool If the performance of a particular feature is critical to the design even if it can be represented in SBEM it is prudent to use the most appropriate modelling tool for design purposes In any case SBEM should not be used for sizing HVAC systems 1 2 NCM and Part L2 Compliance Under the NCM the Building Regulations compliance calculation compares the total energy consumption of the buildings and its services expressed as carbon dioxide emissions of the building being evaluated its Building Emissions Rate or BER with a target value TER derived from similar calculations for a notional building This notional building loosely represents a building designed to Part L2 2002 and the energy performance of this building is reduced using improvement factors to give a building specific TER The process of calculating the BER Notional and TER is carried out concurrently by SBEM or another accredited package The following diagram shows the overall concept Page 7 2012 BuildDesk Ltd Carbon Checker user manual Introduction Building Emissions Rate Target Emissions Rate Actual Fabric amp Plant Building Geometry Standard Activity Schedule National Calculation Tool SBEM 2002 Elem
158. lculation You can show the historic results by selecting Tools Show Historic Results from the menu or selecting the Show Historic Results button from the toolbar 11 5 Where SBEM results are stored All output files from Carbon Checker and all results files subsequently produced by SBEM BRUKL and EPCgen are stored in a sub folder with the same name as the project file This includes the XML file needed to lodge an official EPC For instance if the project is C data example_1234 ccp the inp file and all results files will be stored in a folder called C data example_1234 Page 178 2012 BuildDesk Ltd Carbon Checker user manual Miscellaneous Features 12 Miscellaneous Features In this section are a number of other features not already covered in other sections e Undo Redo 179 e 3D Viewer 179 e Compass ts e Tool Options 1s5 e Status Barhs 12 1 Undo Redo Undo and Redo are features whereby any change that you make can be undone Then if you realise you actually wanted the change you can re do it It is possible for quite a few of the most recent changes to be undone depending on how big your project is and how much memory you have set aside for this feature By default it is 20MB which is usually enough for at least 10 undos for a moderately sized project This memory allocation for the feature can be set under the Tools Optionshs screen Undo and Redo features are available for
159. lect the Options by selecting Tool Options from the menu You will be presented with a screen similar to this Surface Options Grid Settings x Axis Grid Spacing m 250 Y Axis Grid Spacing m 0 250 Surface Undo Redo Memory Allocation MB 1 H oms The table below lists the controls above and their meanings X Axis Grid Spacing m Allows you to define in metres the distance between grid points 12 for the horizontal screen surface View Y Axis Grid Spacing m Allows you to define in metres the distance between grid points for the vertical screen surface View Surface Undo Redo Memory Allocation MB Page 127 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 2 Allows you to determine how much memory can be used for the main Undo Redo 173 feature Once you have finished editing you can select OK to commit the changes or Cancel to abandon them Edit Surface Thickness A Surface s thickness is how thick the surface is measured from the inside edge of the surface to where the surface connects with the outside If a surface has all or part of itself adjacent to another surface in the building then the thickness is used to determine how close the surfaces have to be before adjacency is considered to be true between them As an example of this imagine that you have two surfaces which each have a thickness of 0 1 metres If these surfaces are facing each other and are 0 15
160. lected further details will be requested The following system types are available for selection Central heating using water radiators Heating only Central heat generator s with water distribution Central heating using water convectors Heating only Central heat generator s with water distribution Central heating using water floor heating Heating only Central heat generator s with water distribution Central heating with air distribution Heating only Central heat generator s with air distribution Other local room heater Heating only Includes gas fires gas convectors direct electric heaters electric storage heaters Unflued radiant heater Heating only Luminous or non luminous overhead radiant heater without flue Includes electric overhead radiant heaters Flued radiant heater Heating only Luminous or non luminous overhead radiant heater with flue Multiburner radiant heaters Heating only Overhead multi burner radiant heater Flued forced convection air heaters Heating only May have fan to assist transportation of combustion air and or combustion products Unflued forced convection air heaters Heating only Includes direct gas heaters and electric heaters Single duct VAV Heating amp Cooling An all air system in which the volume of supply air is modulated to match the cooling demand May have reheat capability Assumed to also provide heating possibly also with separate perimeter heating
161. lication by MCRMA and EPIC 2006 3 Conventions for calculating temperature factors and linear thermal transmittance in preparation Thermal Capacity Thermal Capacity kJ m2K The heating and cooling energy demands of a space can be affected by the materials used in the construction of walls floors and ceilings This value describes the potential for heat to flow into and out of the building fabric The rules for calculating it can be found in the CEN standard prEN 13790rev 1 further details on this document will be included when available In brief for each construction element Page 190 2012 BuildDesk Ltd Carbon Checker user manual Glossary Calculate the contribution of each layer of construction by calculating density kg m3 x thickness m x specific heat capacity kJ kgK Starting from the layer of the construction closest to the space add these values together until any one of the following conditions is satisfied e The total thickness of the layers exceeds 0 1m e The mid point in the construction is reached e An insulating layer is reached defined as having a thermal conductivity of 0 08W mk 1 Thermal performance of buildings Calculation of energy use for space heating and cooling ISO DIS 13790 2005 Draft Version U Value The U value is the thermal transmittance of the construction given in W m2K It can be calculated using the combined method given in BS EN ISO 6946 for simple construc
162. loor jutting out on a higher storey you will need to come to this screen and make the necessary adjustment usually to set it back to 0 Once you have finished editing you can select OK to commit the changes or Cancel to abandon them Page 130 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 5 6 4 Edit Floor Hole Area This allows you to determine the size of a hole or holes in a floor and also how much of the floor is unused It is used as part of the overall floor area calculation for the project im Note This feature is only available lt 9 for Floor surface types In order to edit the floor hole and or unused floor area select Surface Edit Floor Hole and Unused Area from the menu or select the same option after right clicking on a single surface in the 2D View 80 or TreeView h4 or double click the surface in the TreeView You will be presented with a screen similar to the following Carbon Checker Floor Surface Area 1320 r Enter size of hole in floor Enter amount of unused floor space OK Cancel Here you can set the size of the hole and the amount of unused space either in terms of percentage of the floor area or as an absolute square metre value The combined total cannot exceed the overall floor area of the zone Once you have finished editing you can select OK to commit the changes or Cancel to abandon them CAD image Import Carbon Checker allo
163. ly make these the same zone in other words ensure that any adjacency between the zones is ignored then we do the following Select Zone Merge Zone CTRL M from the menu or select the same menu option from right clicking on a zone in the 2D Viewls in this case the small zone After a few moments where Carbon Checker works out which zones are close enough for merging you will then be presented with a dialog like this Carbon Checker Select Zones to Merge with Small Zone Big Zone There is only one other zone to merge with so this can now be selected and we can press OK If we wanted to cancel this operation we can press Cancel Page 102 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry tr Note You can only merge with other Y zones if there is a very close adjacency of 1 cm or less between them In other words the zones have to be as good as touching Once we select OK the zones are now merged Although they will remain separate zones in the TreeView 143 and_2D sand 3D viewerl 7 s when the Part L calculation 16 is performed the adjacency between the zones is ignored and they are now effectively one zone Once merged in the TreeView 143 and the 2D View 807 the zones change colour to yellow To remove a merge select a set of merged zones and select Zone Remove Merge CTRL R from the menu or select the same menu option from right clicking on a zone 6 2 13
164. m the menu or select the Rectangular Zone Creation Mode button from the Toolbar E The mouse cursor will turn into a cross hair when the mouse is moved over the 2D View s0 part of the screen In order to create a rectangular zone press the left mouse button where you wish the zone to start Hold down the left mouse button and move to where you want the zone to finish You will see an outline of the zone appear as a dotted rectangle as you move If you wish to abandon the operation keep the mouse button held down and press the Escape key Alternatively when you are happy with the zone release the left mouse button You will be presented with a dialog similar to this Zone Settings Zone Name Start Plane 0 0000 Metres from origin Zone Height 3 0000 Metres Zone Width 2 8000 Metres Zone Length Metres l Unheated Space The fields on this screen have the following meanings Zone Name Allows you to define the name of the zone This can also be modified after the zone has been created see Zone Settings 145 Start Plane Metres from origin This is the starting plane for the current view For example if you are in plan view then this is the number of metres from the ground If you are in one of the other views then it is the number of metres from the 0 point or origin of the relevant plane Zone Height metres The height of the zone Note The position of this field will change depending on what view yo
165. matically be used for the entire building e g If you only define one glass type then all windows in the building will be assumed to be that type If you define more than one then you can manually select the default See help for further details Page 3 of 5 Exit lt lt Previous This wizard page gives you the opportunity to configure the construction types for all surface types glass types HVAC DHW and CHP settings f r Note Configure CHP will only be iT available if at least one HVAC type includes a CHP system The buttons will all be red when you first start a new project They will become green as the necessary minimum constructions and types are defined To set up the constructions types click on the button you wish to configure A dialog will appear allowing you to add edit or delete the constructions or types for the selected area All buttons on this screen represent settings that can be reached from the main Carbon Checker screen See these sections for more information e Wall Constructions 4 e Floor Ceiling Constructions 491 e Door Constructions 51 Page 32 2012 BuildDesk Ltd Carbon Checker user manual Getting Started e Roof Constructions 537 e Glass Types 557 e HVAC Types 57 e DHW Types es e CHP 70 Select Next to move to the next page of the wizard or Previous to move to the previous page If you try to leave the page without having filled in all requ
166. meter heating system Chilled ceilings or passive chilled beams and displacement ventilation Heating amp Cooling The combination of a chilled ceiling or passive chilled beam system with a separate low level low volume supply of cooled ventilation air Heating assumed to be by separate LTHW system Active chilled beams Heating amp Cooling Chilled beams which include the provision of cooled air from a central source typically operating as an induction system May include local fans Heating assumed to be by separate LTHW system Water loop heat pump Heating amp Cooling Local heat pumps are served by a common water circuit to or from which they can reject or extract heat Central cooling and heating plant provides the net heat or cooling input to this circuit Assumed to also provide heating Split or multi split system Heating amp Cooling Combination of outdoor and indoor units connected by refrigerant pipe work Use this category also for ducted split systems and window wall units Page 60 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services The system type selected brings with it some assumptions For example whether mechanical ventilation is an integral part of the system and the degree of local time and temperature control that is or can be provided The majority of system types used in UK buildings can be found in the system type drop down box However ther
167. mption of the photoelectric system in W m2 or leave as default Photoelectric Switching When photoelectric controls have been specified for a particular zone please indicate whether this control involves switching or dimming Page 158 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration Photoelectric Dimming When photoelectric controls have been specified for a particular zone please indicate whether this control involves switching or dimming Photoelectric Type If this is set to Stand alone sensors then the default Parasitic Power setting is 0 3 If it is set to Addressable systems then the default Parasitic Power setting is 1 Check this to indicate If a sensor is provided at the back of the room please check the box provided Occupancy Sensing Type If occupancy sensing is provided please select the type of system from the list provided Time Switching Type This only applied if there is any display lighting in the space Selection should be made between no provision dimming or switching If either dimming or switching is chosen you then need to enter the hours off and Fraction off Note The Time Switching options are only available if the current zone type supports them Hours Off If time switching is selected the hours off specifies the number of hours per average day that the lighting is switched off If dimming is selected the hours off specifies the number
168. n enough information has been entered for each construction type to allow a calculation to be run Hint You can select from the Library or Inference Procedure and then select the Manual radio button to alter the U Values and Thermal Capacity Page 15 2012 BuildDesk Ltd Carbon Checker user manual Tutorial Project Wizard Building Constructions and Types Note Al least one Construction Type mutt be set up for most of the above settings Once at laast one set the button wil tuin for wil abeady be green if it rot necessary to populate i If you only of them then this wil automatically be used os ee ire eee Rein SOUL ete SNE paan building wil be assumed to be that type If you more than one then pou can select the default See help for further detads 7 In this example we have added one External Wall Type calling it simply External Wall using the library Cavity Wall full fill and Cavity Wall 2006 E amp W Project Wizard Building Constructions and Types Edit Wall Constructions Edit Wall Construction information for External wall Name Evens ai import From Libeany Inference Procedures C Erha Marnshy Import From Library Caviy wail hd S Cavity wal 2002 Part L E5W X F Construction Invoives Metal Cladding 8 Similarly we have added one Internal Wall Type calling it Internal Wall using the library Solid masonry wall and Cast concrete wall internal Pa
169. n with 2 set as the adjustment value Page 96 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry EJ 3D Zone Edit Office 3 Ground Floor C Do not show Windows Doors Vertex No OX Coord Qutline Windows Doors O Y Coord O Z Coord 0 000000 7 500000 7 500000 0 000000 0 000000 7 500000 7 500000 0 000000 1 alt 3 all 5 6 7 8 14 000000 C 14 000000 7 000000 O 7 000000 C 14 000000 CO 14 000000 C 7 000000 7 000000 0 000000 C 0 000000 O 0 000000 C 0 000000 C 3 000000 C 3 000000 M 5 000000 75 000000 2 Adjust Selected Isometric View Plan View In this case it works fine and you can see the effect above Now we are going to attempt something similar but with the front two vertices of the roof Page 97 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 7 3D Zone Edit Office 3 Ground Floor C Do not show Windows Doors Vertex No O X Coord Qutline Windows Doors O Y Coord O Z Coord 0 000000 O 7 500000 C 7 500000 0 000000 CO 0 000000 O 7 500000 7 500000 C 0 000000 Oyo n el w nie 14 000000 L 14 000000 C 7 000000 7 000000 C 14 000000 C 14 000000 LJ 7 000000 L 7 000000 C 0 000000 C 0 000000 C 0 000000 CO 0 000000 H 000000 M 3 000000 O 5 000000 C 5 000000 2 Adjust Selected Isometric View Plan View In this case we get this warnin
170. nd Carbon Checker allows the import of DXF and DWGhs formats that can be exported from this CEN Comite Europeen de Normalisation European Committee for Standardisation CHP Combined Heat and Power DCLG Department of Communities and Local Government The government department that deals with building regulations and that commissioned SBEM DHW Domestic Hot Water DWG CAD file format Stands for Drawing DXF Generic CAD file format Stands for Data eXchange File ECA Enhanced Capital Allowance HVAC Heating Ventilation and Air Conditioning iSBEM Interface for Simplified Building Energy Model The government commissioned Microsoft Access based front end for SBEM Light Transmission L Solar L Solar light transmissivity is the amount of visible solar energy that passes through a glazing system expressed as a fraction of the visible solar energy incident on the window This value will be used for the daylighting calculations M amp T Monitoring and Targeting MCMRA Metal Cladding and Roofing Manufacturers Association Page 188 2012 BuildDesk Ltd Carbon Checker user manual Glossary PVS Photovoltaic System RES Renewable Energy Systems SBEM Simplified Building Energy Model The government commissioned software tool that performs the 2006 Part L2 energy calculation SHW Solar Hot Water System Solar Transmittance T Solar T solar is the total solar energy transmittance This is defined
171. ndows Bitmap files bmp JPEG files jpg jpeg PNG files png TIFF files tiff Picture tracing works similarly to the PDF tracing feature except for the following differences e The Open File Dialog displays the pictures files Page 139 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Attach Picture Comper HOO Teme CO PUN fs ERE Organize New folder EE Desktop TE Downloads f i E Recent Places Bi Libraries Plan bmp Documents a Music Pictures H Videos pl Computer amp HDD C ca Recovery D CN Drive FA VSA Filename Plan bmp All supported picture formats bmp gif jpg jpeg png tiff Windows Bitmap files bmp JPEG files jpg PNG files png TIFF files tiff e If the user selects an unsupported picture file or an error occurs during loading of the picture a dialog box similar to this is displayed A An unexpected error has occurred If this problem persists please contact BuildDesk Details of error are below Error occured on loading picture file C Temp CC PLAN Plan pdf Perhaps the file is not a valid picture file Supported picture formats are Windows Bitmap files bmp JPEG files jpg jpeg PNG files png TIFF files tiff The error reported was Parameter is not valid e The user uses the following menu items and toolbar buttons Attac
172. ns down the left of the screen will turn green up to DHW 3 2 Building Geometry 17 Now its time to enter the Building Geometry via the 2D interface 18 In the 2D view screen use the zoom button on the toolbar to zoom out until the guides show 0 to 10m each side of the origin 19 First a bit of preparation to make it easier to draw your building Make sure the grid is on it may not be visible at this zoom distance by selecting the grid button from the toolbar Go to Tools gt Options from the menu at the top and ensure the X axis and y axis spacing is 0 5m Gad Settings Wainings E mors Xis Grid Spacing Im AE F Show Verbose Enor Messages Y Asis Grid Spacing m bso I wWam About Operings on Veter Modification Advanced Settings You should only change these settings I you are an Parring Inceemert in Pr ls Ep expert and fully undersland what they mean of have been advised to by Southlacing 2D Line Thickness in Pieels fi 7 Use Adjscency With Material Delak External Wal Thickness in Metres 009 Uindo Redo Memory Allocation MB 20 30 Colours SBEM Timeout Seconds mno E REM 5 5 Irteligert Snapping Tolesance m 0 5000 Reset to Defaults coe 20 Next we are going to draw one of the classrooms First select the Create Rectangular Zone Mode E Page 19 2012 BuildDesk Ltd Carbon Checker user manual Tutorial 21 Click on the 2D view where you wish to begin the top left of your zone drag the mouse and watch the indicator
173. ns made must err towards a less efficient plant and or less precise control If an external contractor has Page 199 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources Item Requirements Potential issues and experiences New build and Existing building refurbishment responsibility for operation or maintenance it may be necessary to probe carefully how the plant is actually configured rather than accept statements at face value They may not really understand how it should work Edited extract from the iSBEM User Guide 9th July 2008 used with permission 15 6 Zoning your building The way a building is subdivided into zones will influence the predictions of energy performance Therefore the NCM Modelling Guide defines zoning rules that must be applied when assessing a building for Building Regulations compliance The end result of the zoning process should be a set of zones which are distinguished from all others in contact with it by differences in one or more of the following e The activity attached to it e The HVAC system which serves it e The lighting system within it e The access to daylight through windows or rooflights To this end the suggested zoning process within a given floor plate is as follows 1 Divide the floor into separate physical areas bounded by physical boundaries such as structural walls or other permanent elements 2 If any part of an area is served by a
174. o the Standard Emission Rate i e the SER multiplied by 50 The AR should be rounded to the nearest whole number AR BER SER 50 The Asset Rating is also converted into an energy band grade on a linear A G scale with A being the most efficient followed by A and G being the least efficient Table 2 where the border between grade B and grade C is set at the SER and given an AR of 50 This means that a gas heated building with mixed mode cooling that is just compliant with Part L 2006 would have an Asset Rating of 50 Edited extract from the iSBEM User Guide 8th February 2012 used with permission 15 4 Is SBEM appropriate All calculation processes involve some approximations and compromises and SBEM is no exception The most obvious limitations relate to the use of the CEN monthly heat balance method This means that processes which vary non linearly at shorter time steps have to be approximated or represented by monthly parameters The HVAC system efficiencies are an example of this On the other hand SBEM does have provision to account for processes that may Page 196 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources not be present in software packages that contain more sophisticated fabric heat flow algorithms such as duct leakage thermal bridge calculations and infiltration allowances The user interface iSBEM provides the user with routes by which some non standard systems and other featu
175. of hours per average day that the lighting is dimmed Fraction Off If switching is selected the fraction off specifies the fraction of display lighting which is turned off by the time switch If this is 1 then all the display lighting is switched off by the time switch If dimming is selected the fraction off specifies the fraction of display lighting which is dimmed by the time switch Page 159 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 1 9 Thermal Bridges Metal Zone Settings for New Zone Zone Name NewZoo FT Zone is Placeholder only Space Type Conditioned adjoining space o Floor Area r Ea Building Type RETAIL WAREHOUSES iy Height m po sy Zone Activity z Fabric Performance Zone HVAC Settings Lighting Information Lighting Controls f Thermal Bridges 4 gt Type of Junction User Psi wimk Wimk 0 6 1 15 0 25 0 07 1 27 da __ Wall floor not ground floor Lintel above window or door Sill below window 1 27 Jamb at window or door 1 27 In this section zone 84 specific thermal bridging settings are stated for wall 487 and roof constructions 537 which use metal cladding As default a range of Psi W mk are provided If information is available for your specific building then these can be defined here These global thermal bridge settings can be overridden on a zone by zone basis Additional thermal bridges
176. ogy that complies with the Directive Separately the Directive calls for the production of energy performance certificates for existing buildings This uses the same calculation methodology although this is not mandatory In response the UK Department for Communities and Local Government DCLG commissioned the National Calculation Methodology NCM for the energy performance of buildings The initial use of the NCM was for compliance with the 2006 amendments to Part L of the Building Regulations in England and Wales The NCM is required for compliance with Advisory Documents ADL1A and ADL2A but not for situations covered by ADL1iB or ADL2B Similar amendments have been made in Scotland and Northern Ireland Scottish Building Regulations Section 6 and Northern Ireland Building Regulations Part F For dwellings the NCM consists of a new version of the existing Standard Assessment Procedure SAP This is not dealt with in this Guide SBEM successfully completed the life cycle of the regulatory period 2006 2010 with the correction of sporadic issues During the summer of 2009 a special version of the software CSBEM was developed to implement the changes proposed for the revision of Part L2A of the Building Regulations in 2010 This version was used by consultees to investigate the implications of the proposed changes to the Regulations the Approved Document and the National Calculation Methodology After the results of the consultation pro
177. om the Notional Building following corrections made using the Improvement Factor based on HVAC type and the Low and Zero Carbon Factor If the Building Emissions Rate BER is lower than the TER then the building complies under Criterion 1 of ADL2A Page 171 2012 BuildDesk Ltd Carbon Checker user manual Running the SBEM calculation Notional Emissions Rate The Notional Building represents a building constructed to Building Regulations Part L2 2002 standards The Notional Building uses the same shape size and activity profile as the actual building as described to calculate the BER however certain elemental standards are used for the building fabric and building services The Notional Building emissions rate is then corrected using the Improvement Factor based on HVAC type and the Low and Zero Carbon Factor to calculate the Target Emissions Rate TER for the building in question Typical Emissions Rate This based on the 1995 Building Regulations Part L standards and is shown on the EPC Standard Emissions Rate The Standard Emissions rate SER is calculated from the performance of the reference building with an improvement factor of 23 5 applied EPC rating This is calculated as follows BER SER 2 100 Improvement Factor The Improvement Factor IF is applied to the Notional Building emissions rate to reduce the Target Emissions Rate TER from Building Regulations ADL2A 2002 standards depending on the HVAC s
178. on type for the project will be used Select OK to commit any changes or Cancel to exit without committing the changes 6 3 1 3 4 Edit Door Settings This screen is invoked either from the Surface screen by right clicking on a door or right clicking on a door node in the TreeView 143 in the main screen and selecting Edit Door Settings You will be presented with a screen similar to the following Window Shading System All other cases Transmission Factor 1 00 F Display Window Surface Area Ratio 1 00 Surface Area m 4 Canoe Door Type This is an independent setting to the door construction types you may have already selected from the library or inference procedures Select the most appropriate Surface Area m The total surface area of the door in metres ny Note Door type is set to personnel 7 by default unless you manually change it Select OK to commit any changes or Cancel to exit without committing the changes 6 3 1 3 5 Edit Door Thermal Bridge Settings This screen is invoked either from the Surface screen by right clicking on a door or right clicking on a door node in the TreeView 143 in the main screen and selecting Edit Door Thermal Bridge Settings You will be presented with a screen similar to the following Page 121 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Edit Thermal Bridge Settings TT Muliplier Length ni PAW Descrpton E aa f
179. ones with windows and rooflights and you do not need to sub divide it yourself Page 201 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources If you select No then you need to specify the percentage area of the zone where the lighting is controlled so as to respond to daylight whether by a photosensor or manual control If that percentage is 100 this means that the whole area of the zone has lighting controls that respond to daylight and SBEM will perform no further sub divisions for this zone If the percentage value that you enter is less than 100 for e g 70 then SBEM will sub divide the zone into two daylight zones whose areas are 70 and 30 of the total area of the zone respectively SBEM will then consider that the 70 daylight area will have lighting controls responding to daylight while the lighting in the 30 daylight area will not be affected by daylight Edited extract from the iSBEM User Guide 9th July 2008 used with permission 15 7 Measurement conventions In order to provide consistency of application standard measurement conventions have been adopted to be used as part of the NCM These apply to both accredited dynamic simulation tools and third party software interfaces to SBEM although some parameters may only relate to the latter These conventions are specified in the table below Parameter Definition Zone Height Floor to floor height floor to soffit for top floor i e includ
180. or quite a few of the most recent changes to be undone depending on how big your project is and how much memory you have set aside for this feature By default it is 20MB which is usually enough for at least 10 undos for a moderately sized project This memory allocation for the feature can be set under the Tools Options 185 screen Undo and Redo features are available for both the main Carbon Checker screen s and also for the Edit Surface 105 screen The Undo feature can be invoked by selecting Edit Undo CTRL Z from the menu or selecting the Undo button from the toolbar E The Redo feature can be invoked by selecting Edit Redo CTRL Z from the menu or selecting the Redo button from the toolbar dea tm Note Redo will only be available if Y the last action you performed was an Undo or series of undos otherwise it is not possible to redo anything as the state of the project has not changed Page 123 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 1 5 Move or Resize Window Door Mode In this mode you can move Openings i e Windows and Doors around the Surface In order to enter Move Resize Mode select Surface Move Resize Mode from the menu or select the Move Resize Opening button from the Toolbar a 7 The mouse cursor will be a hand initially when the mouse is moved over the Surface part of the screen If you hold down the left mouse button and move when you are over an opening
181. ou can select from the options available in the drop down menu GOOD FAIR POOR and UNKNOWN in order to specify the potential CO2 emissions saved from the actual building per pound spent on implementing the recommendation in the actual building NB If you enter the Page 165 2012 BuildDesk Ltd Carbon Checker user manual EPC recommendations value as UNKNOWN SBEM will set it to POOR Payback drop down menu You can select from the options available in the drop down menu LONG MEDIUM SHORT and UNKNOWN in order to specify the typical payback time for implementing the recommendation in the actual building LONG payback is gt 7 years MEDIUM payback is gt 3 years and lt 7 years SHORT payback is lt 3 years NB If you enter the value as UNKNOWN SBEM will set it to LONG If you know the exact figure for payback time in years use the next parameter instead Payback number Here you can input in years the typical payback time for implementing the recommendation in the actual building If you do not know the exact figure for payback time in years use the previous parameter instead If editing an existing recommendation the following can be specified Edited by the user check this to be able to edit this recommendation User taken out check this to remove this particular NCM recommendation which was generated by EPCgen from the Recommendations Report Assessor Comments You can enter any comments rela
182. port project details that have been created for you The details here refer to such general items as project name address UPRN and other items found on the project settings screens it does not cover any technical details of the building The import files might be created by your accreditation scheme or by some other organisation preparing projects to be distributed for assessment For technical readers the definitions of the import specification currently supported are given in the XmlSchemas ProjectSettings folder under the main Carbon Checker program folder There are 5 tabs on the main project settings page See these sections for more information e Building Details 39 e Owner Details 405 e Certifier Details 405 e Building settings 44 e District heating parameters 45 e Thermal Bridges Metal Cladding 451 e Thermal Bridges Non Metal Cladding 4 Building Details This section requires the location of the development If an EPC is being generated the user also needs to enter the inspection date and the building s UPRN Unique Property Reference Number The UPRN is a 12 digit number and authorised EPC assessors will be given procedures by their accreditation schemes to help them find or generate the required UPRN tm Note These fields are needed to perform an official calculation but they can be left blank if you just want to perform a Test Calculation 1177 Quick Check
183. r 1 Select Shadow Layer x cms If you check Make Shadow Layer Visible for Layer x and then select a shadow layer from the combo box and select OK the shadow layer will be displayed behind the current layer with all zones drawn in grey rf Layers before you can set up a i Shadow Layer Page 141 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Page 142 2012 BuildDesk Ltd Carbon Checker user manual The Treeview 7 The Treeview The TreeView is located in between the Project Wizard buttons and the 2D View on the main Carbon Checker screen 35 It contains a list of the Project 28 Layers 14h Zonesls Surfaces toh Adjacencies 103 Windows 103 and Doors m It contains a hierarchical structure with nodes for each of the entities listed above Nodes can be expanded or contracted by double clicking or clicking the symbol next to them tm Note If you press the on the numeric keypad Key whilst a node is highlighted all nodes below that node will recursively be expanded If you press the Key on the numeric keypad whilst a node is highlighted all nodes below that node will recursively be contracted Terme Note The checkboxes next to each i node are used to turn the node on or off in the 3D view This allows individual Layers Zones or Surfaces to be hidden in the 3D Viewer 17 This feature does not apply to windows or doors which c
184. r Example zone Zone Name Ekamplezone iti sS s s s S IT Zone is Placeholder only Space Type Conditioned adjoining space v Floor Area m 36 Building Type Office Height m 3 000 Zone Activity Open panoe Zone Volume m IT Override The zone volume is calculated as Floor Area Height For special cases like sloping roofs please override the zone volume and enter the exact value Surfaces inside this zone HVAC Settings DHW Settings Ventilation Settings Exhaust Settings Lighting Information Lighting Controls _4 gt Lighting Design Carried Out in Full 0 00 Actual Wattage Design Illuminance Lux i 0 00 i U UU g Lighting Chosen but Full IIluminance p Calculation not yet Performed icy Lighting Parameters not Available or Unknown Lamp type Define in any case T8 25 mm diameter halophosphate coated fluorescent tube standard ballast x Lumens Watt IT Display Uses Efficient Lamps Air Extracting Luminaires are fitted Lighting Design Carried Out in Full If a full lighting design has been carried out please state the total circuit wattage for each zone Design Illuminance Lux If the lighting design has been carried out in full then this field is available and you should set the Design Illuminance value in Lux Lighting Chosen but Full Illuminance Calculation not yet Performed If the lighting systems have been select
185. r Transmittance cancel You select the Name for the Glass Type This can be anything you like but should ideally be something sensible e g Glass Type 1 The other fields on this screen have the following meanings Import From Library If this radio button is selected then you select the Glazing Frame Material and the Frame This then automatically determines the U Value the Total Solar Transmittance and the Visible Solar Transmittance Inference Procedures If this radio button is selected then you select the Date Panes Coating and the Material This then automatically determines the U Value the Total Solar Transmittance and the Visible Solar Transmittance This is used to infer the settings for glass types in an existing building Enter Manually You manually enter the U Value the Total Solar Transmittance T Solar and the Visible Solar Transmittance L Solar To accept the changes you have made select OK To abandon them select Cancel Page 56 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 7 HVAC Types HVAC Types Heating Ventilation and Air Conditioning are used in the project to define what types of HVACs exist in the building When the geometry 807 of the building is defined these settings are applied to each of the zones The default HVAC Type will automatically be applied to all zones These can be modified individually by editing the HVAC for t
186. r a picture the user is asked the following question ACAD file is already attached For attaching a PDF file the CAD file have to be detached first Do you want to detach the CAD file now The same applies if a PDF file or a picture file is already attached PDF tracing On selecting the menu item Attach PDF file the user is presented with a dialog where the PDF file can be selected Page 135 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Attach PDF Fil CMI Compute HODIC 2 Temp gt CC PAN ry sa 2 Organize v New folder a vr E Videos Name j Date modified Type 25 11 2011 14 04 Adobe Acrobat D pE Computer a amp HDD C Recovery D ef CD Drive F VS2 a KST G GP pc install WALD 7 GP transfer Waldevs GP BuildDeskCarbor am cS aldevpc018 G BuildDeskCarbor S entwicklung Wa N Mv Weh Sites nn T r File name Plan pdf v All PDF files pdf X on T 4 If the user selects a file which is not a PDF file or during loading an error occurs a dialog box similar to this is displayed A An unexpected error has occurred If this problem persists please contact BuildDesk Details of error are below Error occured on loading PDF file C Temp CC PLAN Plan bmp Perhaps the file is not a valid PDF file The error reported was The source is not a valid PDF file because it does not start with PDF Once a PDF is succe
187. r can select a different layout W 4 Selected Layout On R R ft ta ihe Goto G to first previous AD0016 WD01 2 next previous layout layout AD0016 WD 01 1 layout layout AD0016 WD1 COMMS Combo box for selecting layout Using the following buttons the user can activate the zoom and pan mode and change the zoom These work exactly the same way as in the normal 2D drawing interface The user can also zoom in and out using the mouse wheel Page 133 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry ee RAA _ a n Activate Zoom Zoom Pan Zoom amp Pan Mode In Out Origin The CAD File Scale option can be used to change the expected scale of the file Some CAD files such as DXF are unitless which means that they do not have a unit e g millimetres metres etc associated with them It is up to you to determine the units This can be done by either knowing already e g because you created the file yourself or by trial and error In our experience millimetres is the most common unit so this is the default The CAD Colour Settings allow you to set either full colour or grey for the CAD image tm Note Any text on the image will i F remain in colour even if grey is l selected Text Visible determines if the text is visible on the CAD image Select OK to accept the changes or Cancel to exit without changing 6 4 1 5 CAD Text On Off 6 4 2 Text can be turne
188. r on the keyboard Page 87 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Zone Settings Zone Name Start Plane 0 0000 Metres from origin Zone Height 3 0000 Metres l Unheated Space The fields on this screen have the following meanings Zone Name Allows you to define the name of the zone This can also be modified after the zone has been created see Zone Settings h49 Start Plane Metres from origin This is the starting plane for the current view For example if you are in plan view then this is the number of metres from the ground If you are in one of the other views then it is the number of metres from the 0 point or origin of the relevant plane Zone Height Depth metres Depending on the current view this field will be either the Height of the zone or the depth of the zone into the current view If it is Depth then whether it is Width or Length will be displayed in the dialog Unheated Space This determines whether or not the zone that you are creating is an unheated space By default standard zones are not unheated spaces When created the zone should look something like this in the 2D View Page 88 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 2 3 T T T T 6m 5m 4m 3m 2m 1m Om im 2m 3m 4m Sm 6m Once you have drawn your freehand zone you can move s2 it rotate 10 it copy 1od and pastelo it mergelioh it
189. r the project have now been corligwed To piceed ae o eres the buldag geometiy Use the 20 and 30 design rhedice lo create layers zones windows dowes elc whechcan then be edited for example by adding the zone activiy and changing the delod combuction and HVAC types a required You con uze the help system to gude you thouph this S proces The bulking geometry and Pl ap ei i On the left hand side wil tan to green when this has baea completed needed checking on any bulloni when ied wil gira tome handy bpe on wal is atl requied When you have a vald project wih all he neceszaty minimum sellngs etc then the Run SBEM balon on the Toolbar wil lun geen ike thes You wil thenbe able to palam calculabons on the building Press Finish to ent the Wizard This page is the final part of the wizard en Stio i i kem Check amp compare _ You ok here results Inpat building a eomeley via 20730 inteilace adjust inputs E neede Wo PASS Add external windows amp doors to zose surlaces n 2 Configure zones f aclivey amp services FAIL PASS Print reports for Buildng Control Provided you have filled in all the necessary information through the Project Wizard the flow diagram shows where you are in relation to the end point of running a completed building through SBEM to check Part L compliance The next step is to input Building Geometry sc via the 2D 3D design interface before adding
190. r to edit a surface select Surface Edit Surface CTRL SHIFT E from the menu or select the same option after right clicking on a single surface in the 2D Viewls or TreeView 143 or double click the surface in the TreeView You will be presented with a screen similar to the following Edit Surface 5 for Zone Retail Area 15m Edit Surface Tools Thermal Bridges 0AP This is the main Edit Surface screen and can be used to add windows hos and or doors 118 to the surface Terre Note Carbon Checker will strongly discourage you from trying to add windows or doors to a Floor surface It will still allow it though Once you have finished editing the surface you can select OK to commit the changes or Cancel to abandon them The following sections contain the detail of all the features available in the Edit Surface screen Create Split Constructions h1o Create Rectangular 108 and Freehand ho Windows Edithi Windows Create Rectangular 118 and Freehand t13 Doors Edit 12 Doors Edit Thermal Bridges 125 Moving 1287 around the Surface Page 105 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry e Grid 127 on Surface View e Surface Options 127 e Surface Thickness 1287 e Surface Constructions 1287 e Manually Define Adjacencies 129 e Floor Hole Arealtst 6 3 1 1 Split Constructions Normally there is a single con
191. r web page www builddesk co uk e By email info builddesk co uk e By phone 01656 869 940 this goes to an answer machine from which calls are assessed However you contact us please tell us the following e Your name You company The software product and version that you are using The nature of the problem that you are having If contacting us by email be sure to include the Carbon Checker project file the ccz file for the project Most users have no problems with EPC lodgement but when problems do arise they can sometimes take time to resolve This is because EPC lodgement issues are rarely due to our software they are more likely to be associated with accreditation insurance or internet issues We recognise the importance of smooth lodgement processes and will do our best to rectify them as quickly as possible but many lodgement issues are due to errors in the assessor s details and are not strictly the responsibility of BuildDesk Ltd Page 12 2012 BuildDesk Ltd Carbon Checker user manual Installation and Licensing 2 3 Our direct support does not include guidance on how to use the software We provide a range of videos written instructions and training courses to help users However we will accept queries on how to use the software through our support lines and will help where appropriate We will also use queries on how to use the software to help determine what further guidance would help our users T
192. raining For the latest news on training and EPC accreditation visit our website at www builddesk co uk Per click payments for EPC calculations There is a charge for the production of official EPC files using Carbon Checker For clarity EPC files here means the set of SBEM output files required for the energy certification of a building The names and details of these files differ depending on the region in which the building being certified is located For instance in the Republic of Ireland the main output file is called the Building Energy Rating rather than the Energy Performance Certificate The procedures surrounding the files can differ too In England and Wales for instance the EPC has to be officially lodged on the EPC Register something that isn t currently required in all the regions that have adopted SBEM The payment can be made my credit debit card on our web site here http secure builddesk co uk On this site you can see a record of the EPCs you ve generated top up your payments and administer your account To log in you will need a username and a password If you have an Assessor Number issued by your Accreditation Scheme this will be your username Your password will be initially allocated by us but can be changed by you Your account details screen will show your Carbon Checker Code This is for use by assessors accredited to generate EPCs or regional equivalent If you don t produce EPCs then this cod
193. rcentage This is the amount you wish to set glazing to on surfaces You can set this from 0 no glazing to 100 fully glazed surface Set Absolute Button Applies the percentage selected in Set Absolute Glazing Percentage Edit Default Glass Type Button If you are setting global glazing this is the glass type 114 that will be defaulted to if glazing does not already exist for the surface Edit Default Window Settings If you are setting global glazing this is the window settingsh that will be defaulted to if glazing does not already exist for the surface Include Checkboxes These determine what directions and types of surfaces the global setting applies to Turn Off All Directions Button This will uncheck all the directional checkboxes to allow you to easily select just one e g South This is useful to e g set glazing for all South facing surfaces Close Closes the screen after changes have been completed 6 3 1 3 Doors This section contains the following topics e Create a Rectangular Door 118 e Create a Freehand Door 11 e Edit Door Construction Types 120 e Edit Door Settings i2 e Edit Thermal Bridge Settings 12h e Copyh2 Pastel and Deletel123 a Door 6 3 1 3 1 Create Rectangular Door In order to enter Create Rectangular Door Mode select Surface Create Rectangular Door from the menu or select the Create Rectangular Door Mode button from the Toolbar a i Page 118 2012 BuildD
194. re SAP It should be noted that Carbon Checker SBEM and associated databases and files are an implementation of the non domestic building section of the NCM At the centre of the NCM are calculation engines which have been accredited by DCLG The BRE were commissioned under a contract managed by Faber Maunsell to develop the Simple Building Energy Model SBEM along with a basic user interface iSBEM The aim of this model is to produce consistent and reliable evaluations of energy use in non domestic buildings and some domestic buildings for building regulations compliance purposes and eventually for building performance certification purposes Carbon Checker has been developed as a stand alone interface to SBEM and following accreditation tests has been approved by DCLG as an official interface SBEM as a calculation engine has been developed with the hope that the majority of non domestic buildings will be able to show compliance through its use For more complicated buildings in building geometry and or buildings services accredited dynamic simulation packages may be more suitable to show compliance SBEM consists of a calculation methodology described in the following section which runs together with a compliance checking module BRUKL which utilises some of the same data during the calculation Carbon Checker combines these components together and interacts with a series of databases to provide consistent data to the calcu
195. res can be represented For example the ability to input specific fan powers provides a route by which demand controlled ventilation might be handled using pre calculated effective SFP There are also possibilities to go beyond these within the existing SBEM model via more general interfaces It is therefore difficult to give absolute rules about when SBEM can and cannot be used As broad guidance it is more likely to be difficult to use SBEM satisfactorily if the building and its systems have features that are a not already included in iSBEM and b have properties that vary non linearly over periods of the order of an hour However as the example above shows this is not a universal rule There is a balance between the time and effort required to carry out parametric studies to establish input values for SBEM and detailed explicit modelling of a particular building Features which cannot currently be represented in iSBEM e Ventilation with enhanced thermal coupling to structure e Automatic blind control e Light transfer within a building for e g through highly glazed internal surfaces between atria and surrounding spaces If in doubt about whether iSBEM would be appropriate for modelling your building please contact your Accreditation Scheme Provider Edited extract from the iSBEM User Guide 8th February 2012 used with permission 15 5 Tips for gathering data Item Requirements Potential issues and experiences New bu
196. results into the copy paste buffer as an image which can then be pasted into other applications e g PowerPoint Word etc Page 173 2012 BuildDesk Ltd Carbon Checker user manual Running the SBEM calculation 11 2 2 Monthly Consumption by Energy Uses This tab contains the main results of the calculation displayed as Monthly Consumption by Energy Uses data in graphical form Compliance Monthly Energy Consumption by End Uses Energy Consumption by End Uses Monthly Energy Consumption by Fuel Type Asset Rating Monthly Energy consumption by End Uses kVWhim H Heating H Cooling 4 E Aux Energy HH Lighting E ohw I Equipment FEB T man T apa T may T sun T su T aus l sep l ocr nov T pec Note Although Equipment consumption is shown in this graph the CO2 emissions associated with this end use have not been taken in account when producing the rating Save mage Corytmage The fields on the above screen have the following meanings Save Image Opens up a Windows file dialog and allows you to save the headline results as an image to a variety of graphics file formats Copy Image Copies the headline results into the copy paste buffer as an image which can then be pasted into other applications e g PowerPoint Word etc Page 174 2012 BuildDesk Ltd Carbon Checker user manual Running the SBEM calculation 11 2 3 Energy Consumption by End Uses This tab contains
197. ric Power Factor The Electrical Power Factor is a measure of the actual power consumption to that usually measured by the meter though large installations may have reactive power meters that take account of it It results from the voltage and current variations being out of phase The different electrical devices used in the building will add inductive and capacity loads which will lower the power factor value In practical terms the lower the power factor the more current will be demanded by the building to deliver a given amount of power Power factor correction therefore reduces the current for a given power demand Default Air Permeability at 50pa The Default Air Permeability used in zones See Edit Zone Settings 149 for more details on this setting as it applies to zones Building Uses Light Metering This question relates to the benefits that can be claimed for Automatic Metering and Control Features in Approved Document ADL2A This refers to either energy metering of plant and or metering of plant hours run System warns for out of range values If your planned or installed system does have provision for metering and the system provides out of range alarms eg through a BEMS then check this box This activity will increase the overall energy performance via a correction factor being applied Global Air Permeability at 50pa Page 44 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Type
198. rimeter and a core Zone no envelope element should be defined SBEM will then assume no transfer of heat coolth or light across the boundary in either direction In the context of SBEM the building needs to be divided into separate Zones for each Activity area subdivided where more than one HVAC system serves an Activity area Notes Atria Currently SBEM is not able to realistically model sunspaces and atria For buildings where these elements are a significant part of the design we suggest that the building be modelled using approved dynamic simulation models Small unconditioned spaces like store cupboards riser ducts etc can be absorbed into the adjacent conditioned spaces In SBEM this would involve adding their floor area to that of the adjacent conditioned space Larger areas should be treated as indirectly conditioned spaces See note in Section 7 6 8 Defining the zone specific building services regarding indirectly conditioned spaces Edited extract from the iSBEM User Guide 9th July 2008 used with permission 15 6 1 Automatic zoning for daylight zones When specifying the lighting controls 158 settings for each zone you can instruct SBEM to apply automatic zoning for daylight zones but only if Local manual switching or Photoelectric is selected under Lighting controls If you select Yes then SBEM will automatically sub divide the zone into daylighting zones if needed following the zoning rules for z
199. roll wheel mouse moves the zoom can be reversed using the Reverse Scroll Direction tool in Tool Options 1s5 The centre point of the view will always be the origin of the 3D space For this reason it is a good idea to design your building around the origin The checkbox options are Solid This allows a solid 3D view of the building as can be seen above Page 180 2012 BuildDesk Ltd Carbon Checker user manual Miscellaneous Features i i 3D Viewer Solid IV Outline MV Lighting Translucency MM Windows Doors Isometric View Plan View OK Save Image Copy Image PF 3D Viewer iv Solid Outline M Lighting Translucency M Windows Doors lsometric View Plan View OK Save Image Copy Image Outline This allows you to turn the black outline off for the solid view like above Page 181 2012 BuildDesk Ltd Carbon Checker user manual Miscellaneous Features 7 3D Viewer IV Solid IV Outline Lighting I Translucency M Windows Doors lsometric View Plan View OK Save Image Copy Image Lighting This allows you to turn the lighting on and off for solid view When it is off it looks like above PF 3D Viewer Solid IV Outline V Lighting iv Translucency M Windows Doors lsometric View Plan View OK Save Image Copy Image Translucency Turning this on allows you to see through zones like above Page 182 2012 BuildDesk Ltd Carbon Checker u
200. s and Services 5 1 5 5 1 6 The Global Air Permeability used in zones if not overridden for an individual zone See Edit Zone Settings 143 for more details on this setting as it applies to zones District heating parameters If there is a district heating scheme used in the building the CO2 conversion factor of the DH network can be specified here Otherwise the parameter is not used so can be left unchanged Thermal Bridges Metal Cladding Project Settings Project Name Test 1 Building Type Weather Zone Type of Analysis England and Wales Building Regulations Pat L Global Air Permeability at 50pa 8 00 ad r hr Stage of Analysis I System warns for out of range values Project Details Building Details Owner Details Certifier Details Type of Junction Roof wall Wall ground floor Wall wall corner Wall Floor not ground Floor Lintel above window or door Sill below window Jamb at window or door As designed ad Electric Power Factor User Psi Wimk Building Height Om Building Floor Area rr a I Override I Building Uses Light Metering i Thermal Bridges Non Metal Cladding Cancel In this section Global thermal bridging settings are stated for wall 4 and roof constructions s53 which use metal cladding As default a range of Psi W mK are provided If information is available for your specific building then these can be defined here These global th
201. s on this screen for External Constructions The controls on this screen work as follows e The Make Default button makes the currently selected Construction Name the default for the Roof type Page 53 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services The Construction Name combo box contains a list of all the existing constructions that have been set up for this building The Edit button allows you to edit the currently selected Construction Name This is not available if there are no existing Construction Names e The Add button allows you to add a Construction Name The Delete button allows you to delete the currently selected Construction Name This is not available if there are no existing Construction Names terms Note At least one external Roof has i T to be defined in order for the Roof Constructions to be considered to have the minimum necessary for the button on the main screen to turn green When either Edit or Add is selected the following screen appears Add Roof Construction information Name Import From Library C Inference Procedures Enter Manually m Import From Library Category Library M Inference Procedures Sector Date Construction Type U Value I Construction Involves Metal Cladding Internal Heat Capacity 1 Internal Heat Capacity 2 ce You select the Name for the Construction This can
202. save www windsave com Solar Thermal Collector and PV Panels Southfacing Services Ltd www southfacing co uk Page 205 2012 BuildDesk Ltd Carbon Checker user manual BuildDesk 17 BuildDesk build desk save your energy e Web www builddesk co uk e E mail carbonchecker builddesk co uk Page 206 2012 BuildDesk Ltd Carbon Checker user manual Index Index ccp 29 CCZ 29 NET Framework 10 2 2D view 80 3D colours 185 3D viewer 179 3D zone editor 93 A academic Licenses 10 adjacencies 185 adjacency nodes 146 adjacency with material 185 Air Handling Unit AHU 66 air permeability 151 asset rating 176 automatic zoning for daylight zones 201 auxillary energy 57 n B BER 171 194 195 BRUKL 188 BuildDesk contact 206 building details 39 Building Emission Rate BER 171 building floor area 37 building height 37 building type 37 building uses light metering 37 C CAD 188 attach file 132 detach file 132 text on off 134 view file 132 CAD colour settings 133 CAD import 131 CAD options 133 Carbon Checker 6 CEN 188 CEN Classes 66 certifier details 40 CHP 70 CHP Types add edit delete 188 compass 184 compliance calculation 170 compliance quick check 177 compliance test 177 context sensitive help 12 control correction HVAC 67 conventions 197 202 cooling HVAC 64 copy zone 100 copy zone attributes 161 create new project 28 create win
203. ser manual Miscellaneous Features PF 3D Viewer Iv Solid V Outline M Lighting Translucency Windows Doors lsometric View Plan View OK Save Image Copy Image Windows Doors Turning this off hides the windows and doors like above Isometric View sets the view from a side on and above perspective like above PF 3D Viewer IV Solid V Outline M Lighting Translucency Windows Doors lsometric View Plan View OK Save Image Copy Image Plan View sets the view from an on top perspective like above Page 183 2012 BuildDesk Ltd Carbon Checker user manual Miscellaneous Features Save Image opens up a Windows file dialog and allows you to save the current image to a variety of graphics file formats Copy Image copies the current image into the copy paste buffer which can then be pasted into other applications e g PowerPoint Word etc To close the screen select OK 12 3 Compass This is a feature that allows you to determine which direction North is in This means you can quickly and easily re orientate your building without actually having to change the geometry You can select the Compass feature by selecting Tool Compass from the menu or selecting the Compass button in the toolbar SE You will be presented with a screen similar to this Compass Define which direction North is in North Direction in Degrees 0 Cance You can now manually enter how m
204. ssful attached the following PDF Import Options are displayed M 4 Pagel 1 gt Cl E Q A A B mm f Length of measure unit in metres A ANRAINER ANRAINER STRASSE a a fg OBERGESCHOSS mi a Prae vener 711 2011 Using the following buttons the user can select the page which he wants to Page 136 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry trace M4 Pagel 1 gt Pe P Go to Go to Go to Go to first page previous page next page last page Using the following buttons the user can activate the zoom and pan mode and change the zoom These work exactly the same way as in the normal 2D drawing The user can also zoom in and out using the mouse wheel _ i AARB Activate Zoom Zoom Pan Zoom amp Pan Mode In Out Origin Using the following user interface items the user can activate Add Measurement Unit Mode remove the previously drawn measurement unit and enter the length of the measurement unit in metres ss ee Length of measure unit in metres Pd Activate Remove For entering lenth of measure Add measurement measurement unit unit in metres unit mode The pan buttons add da work also exactly the same way as in the normal 2D drawing interface The user has to draw the measurement unit and to enter the length of metres For drawing the measurement unit activate Add Measurement Unit Mode by
205. ssion 15 8 Other resources The following documents provide important background reading Approved Document L2A Conservation of fuel and power New buildings other than dwellings 2010 edition incorporating further 2010 amendments Approved Document L2B Conservation of fuel and power Existing buildings other than dwellings 2010 edition incorporating further 2010 and 2011 amendments Non Domestic Building Services Compliance Guide 2010 edition with 2011 Page 203 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources amendments All links accurate on 3ist July 2012 Page 204 2012 BuildDesk Ltd Carbon Checker user manual Acknowledgements 16 Acknowledgements BuildDesk would like to thank Southfacing Services Ltd the developers of the original Carbon Checker software for their help The people that Southfacing thanked for their support and guidance still deserve to be acknowledged CLG formerly ODPM Building Research Establishment BRE Jose Ortiz and Paul Davidson Arup Prof Michael Holmes and Matthew Collin Rickaby Thompson Associates Element Energy Whitby Bird Andrew McLaughlin Joe Gilsenan Nic Thompson Stephen Ollier Prof Joseph O Rourke Prof Darren Palmer The following organisations also kindly provided copyrighted images to help enliven the software CHP Boilers Combined Heat and Power Association CHPA http www chpa org uk Wind Turbine Wind
206. struction associated with each surface The particular construction associated with the surface can easily be configured for each surface using the Edit Surface Construction 12 feature but usually there is still a single construction for each surface Sometimes however it would be very useful to be able to split a single surface into two so that two different constructions can be assigned to the two parts of the surface A familiar example would be an industrial unit which has masonry construction up to a certain height then industrial cladding construction above that This is where the split constructions feature comes in If a surface does not contain a split i e the surface consists of only one construction the edit surface dialog looks like this Edit Surface 5 for Zone Retail Area 15m7 Edit Surface Tools Thermal Bridges z DDER and the toolbar includes a section of buttons at the right hand end looking like this Page 106 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry The P and M buttons are used to apply a horizontal or vertical split If you click on eof these buttons you can choose the position of the split on the surface You can move the split afterwards if you want to See below The El button is used to specify the construction on the whole surface This can also be done by right clicking on the surface Once a surface h
207. t e Open an Existing Project This brings up a standard File Open dialog and allows you to navigate to any folder on any drive to open an existing project e Open an Recent Project This provides a list of up to the 8 most recently opened projects in order of most recent first This can be easily selected from the drop down list If you have not yet created any projects there will not be any recent projects available and this option will be disabled If you selected Create a New Project then you will be prompted for a project Page 28 2012 BuildDesk Ltd Carbon Checker user manual Getting Started name otherwise the selected project will load and you will be at the main Carbon Checker screen 357 This can also be invoked by selecting File New from the menu pressing CTRL N or selecting the Create a New Project icon from the toolbar Project Name Please Enter a Name for the Project Once you have selected OK to this you will be prompted to start the project wizard CarbonChecker J Do you wish to start the Project Wizard If you decide to say Yes to this then the project wizards will launch 4 2 Files and File Menu The project you are working on can be saved by selecting File Save CTRL S or File Save As This can also be achieved by selecting the Save Current Project toolbar button Lt You will be presented with a standard Windows File Save dialog Note From version 1 3 2 Carbon Chec
208. tage Change po Decrease Absolute Change Set Absolute Glazing Percentage 0 0 Set Absolute Edit Default Glass Type Edit Default Window Settings IV Include Walls F Include Roofs IV Include North IV Include North West IV Include North East IV Include West IV Include Flat IV Include East IV Include South West IV Include South East IV Include South Tum Off All Directions The controls have the following meanings Glazing Percentage Change The amount you wish to change the glazing on surfaces by Please note that this is a proportional adjustment so e g if you increase the glazing by 100 you are doubling it If you decrease it by 50 you are halving it You are not allowed to decrease glazing by more than 99 as this would remove the windows altogether If you want to do this use the absolute setting and select 0 on that This will only have an effect if surfaces already have glazing on them Also if you have a number of individual windows on a surface they will all become merged SBEM only cares about overall glazing so this is fine Increase Button This increases the glazing by the percentage indicated in the Glazing Percentage Change field Air Permeability at 50pa Decrease Button This decreases the glazing by the percentage indicated in the Page 117 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry Glazing Percentage Change field Set Absolute Glazing Pe
209. ted to the recommendation for e g the reason why you have chosen to edit this NCM recommendation These comments will appear in SBEM s supporting documents to the Recommendations report Energy Impact You can select from the options available in the drop down menu in order to specify the potential impact of implementing the recommendation on the energy performance of the actual building HIGH change in total building energy is gt 4 MEDIUM change in total building energy is lt 4 and gt 0 5 LOW change in total building energy is lt 0 5 CO2 Impact You can select from the options available in the drop down menu in order to specify the potential impact of implementing the recommendation on the CO2 emissions of the actual building HIGH change in total building CO2 emissions is gt 4 MEDIUM change in total building CO2 emissions is lt 4 and gt 0 5 LOW change in total building CO2 emissions is lt 0 5 This impact will appear in the Recommendations report CO2 Saved per Spent You can select from the options available in the drop down menu GOOD FAIR POOR and UNKNOWN in order to specify the potential CO2 emissions saved from the actual building per pound spent on implementing the recommendation in the actual building Payback drop down menu You can select from the options available in the drop down menu LONG MEDIUM SHORT and UNKNOWN in order to specify the typical payback time for implement
210. tes In the 3D view above you should be able to see two red dots marking the right vertices In the box above the Adjust Selected enter 1 5 and click the Adjust Selected button This moves the two highlighted vertices up by 1 5m Page 20 2012 BuildDesk Ltd Carbon Checker user manual Tutorial EF 30 Zone Edit New Zone Do not show Windows Doors Outline Windows Doors Vertex No OX Coord C Y Coord O Z Coad z TJ 6 500001 7 000001 0 000000 1 500 1 30 1 499999 0 000000 40 6 500001 0 000000 SC 6 500001 7 000001 leomebic View 6 _ 1 499999 7 000001 Plan View 70 1 499999 0 000000 80 6 500001 0 000000 or 27 Now we have created one zone and the other is the same we can simply right mouse click on the first zone using Selection Mode with the cursor and copy and paste 28 It is likely that this second zone will be currently clashing with the first zone and both will show in the 2D view as red 29 From the Treeview click the zone you wish to move and select the Move button from the toolbar Drag the zone until it neatly abuts the first zone You may wish to zoom in so you can see the grid to facilitate this Once in place both zones should no longer be red 30 OK that s the hard part done As a treat click on the 3D Viewer button in the toolbar to view your model in 3D Page 21 2012 BuildDesk Ltd Carbon Checker user manual Tutorial 3D Viewer iv Solid V Outline IV Lighting
211. the main results of the calculation displayed as Energy Consumption By End Uses data in graphical form Compliance Monthly Energy Consumption by End Uses Energy Consumpi 25 Monthly Energy Consumption by Fuel Type Asset Rating Energy consumption by End Uses kVWWhim H Heating HH Cooling H Aux Energy I Lighting E ohw E Equipment E roma 0 a i Note Although Equipment consumption is shown in this graph the CO2 emissions associated with this end use have not been taken in account when producing the rating Save Image Copy Image The fields on the above screen have the following meanings Save Image Opens up a Windows file dialog and allows you to save the headline results as an image to a variety of graphics file formats Copy Image Copies the headline results into the copy paste buffer as an image which can then be pasted into other applications e g PowerPoint Word etc Page 175 2012 BuildDesk Ltd Carbon Checker user manual Running the SBEM calculation 11 2 4 Monthly Energy Consumption by Fuel Type This tab contains the main results of the calculation displayed as Monthly Energy Consumption By Fuel Type data in graphical form Results Compliance Monthly Energy Consumption by End Uses Energy Consumption by End Uses Monthly Energy consumption by Fuel Type kvVh m FE e T man l amm T may T sn T su T aus sep oct nov
212. they will move When over a horizontal or vertical side of an opening the cursor will change to a 2 way arrow If you hold down the left mouse button and move in this state the side will move and opening will be resized When over a vertex of an opening the cursor will change to a 4 way arrow If you hold down the left mouse button and move in this state the vertex will move and opening will be resized 6 3 1 6 Selection Mode In this mode you can select highlight or deselect zones in the Surface In order to enter Selection Mode select Surface Selection Mode from the menu or select the Selection Mode button from the Toolbar The mouse cursor will be an arrow when the mouse is moved over the Surface part of the screen In this mode you can right click on openings i e Windows and Doors and select a number of actions For Windows they are e Edit Glass Type e Edit Window Settings e Edit Window Thermal Bridge Settings 13 e Copy Window h e Paste Window n For Doors they are e Edit Door Construction Type 1120 e Edit Door Settings 12h e Edit Door Thermal Bridge Settings 12 e Copy Door 122 e Paste Door 1237 Page 124 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 1 7 Edit Surface Thermal Bridge Settings This screen is invoked either from the Surface screen by selecting Thermal Bridge Edit Surface Thermal Bridge Settings CTRL T from the menu or pressing the T bu
213. thod for zooming can be used even if you are not in Zoom Pan Mode Zooming in and out can also be performed by using the 2D View Zoom In and 2D View Zoom Out options from the menu These options are also available via the Zoom In and Zoom Out amp buttons on the toolbar You can also use the 2D View Zoom Extents option from the menu or the Zoom Extents button on the toolbar which will pan and zoom the current view so that the entire model just fits into the current 2D View window Page 82 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 1 2 2 Panning in 2D View 6 1 3 6 1 4 Panning is the ability to move around the current view to see parts of the building that perhaps are not visible in the current scale Panning can be performed in a number of ways The easiest way to do this is to select 2D View Zoom Pan Mode from the menu or select the Zoom Pan Mode button Y from the toolbar Once you are in this mode you can use the left mouse button held down and then move the mouse around in the 2D View to pan around Panning can also be performed by using the arrow direction buttons that surround the 2D View im Note The number of pixels that the 7 arrow direction buttons move can be set under the Tools Options 18 screen You can also use the 2D View Pan Origin option from the menu or the Pan Origin button on the toolbar which will pan the current view so that the origin 0
214. ties amp Local Government s website The default value is based on whether or not the chiller of air conditioner is in the Enhanced Capital Allowance ECA Page 64 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services Once all the required selections have been made press the Get button and the default seasonal efficiency will be generated 5 7 4 Ventilation Add HVAC Type Information Name HVAC Type I This System Uses CHP Heating Cooling System Adjustment Control Correction Heat Recovery Cancel The fields on this screen have the following meanings Heat Recovery If a heat recovery system is to be provided please choose from the list provided If you are not familiar with the listed systems please consult your M amp E consultant or contractor The most common system specified is the heat exchange plates or pipes Page 65 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services 5 7 5 System Adjustment Edit HVACType information for Name HVAC Type Heating Cooling Ventilation System Adjustment Control Correction M Has the Ductwork been leakage tested No use default leakage Yes it meets next CEN classification zi I This System Uses CHP Specific Fan Power Use Default Enter Manually po Air Leaka
215. ting patterns to allow consistent comparison between buildings in the same sector Standardised assumptions for building fabric glazing and HVAC plant efficiencies Detailed specifications of the 2010 England and Wales notional building are in DCLG s 2010 NCM Modelling Guide available from www ncm bre co uk and further guidance is in the Building Regulations 2010 Approved Document Part L which can be accessed from http www planningportal gov uk uploads br BR_PDF_ADL2A_2010 pdf Further information on the limiting standards for building services is available in the 2010 NonDomestic Building Services Compliance Guide which can be accessed from http www planningportal gov uk uploads br nondomestic_building_complian ce_guide_2010 pdf Page 194 2012 BuildDesk Ltd Carbon Checker user manual SBEM resources NB Only the communal areas of apartment buildings containing self contained flats should be assessed for compliance using SBEM for example circulation areas using the Common circulation areas activity under the building type Residential spaces The self contained flats themselves should be assessed using SAP for domestic buildings The specifications for the 2010 Scottish notional building are in the 2010 Section 6 document and the 2010 Scottish NCM Modelling Guide which are available from the Building Standards Division at http www scotland gov uk Topics Built Environment Building Building standar
216. ting the Intelligent Snapping button from the Toolbar is i 6 2 Zones Zones are the basic building block of a building for Part L compliance terms Note The zoning of a building is a very important activity and ED will have significant impact on the end results Once zones have been identified a basic rule of thumb is to simplify zone input as much as reasonable There is no need to trace every nuance of each surface and contiguous areas which are served by the same HVAC and Lighting system and activity can be merged A zone is unique in its activity he HVAC system 153 lighting system te2 and access to daylight i e through windows 108 Using ideally a plan view of an imported CAD filehs use the physical boundary of each area eg structural walls and then subdivide these areas into zones based on activity HVAC and lighting as above Any contiguous areas which are served by the same HVAC and Lighting system and activity can be merged Finally divide these areas into zones receiving significantly different amounts of daylight Small areas such as cupboards and zones less than 3m wide can be included into adjacent spaces For more details on zoning see Zoning your building 200 Page 84 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 2 1 Rectangular Zone Creation In order to enter Rectangular Zone Creation Mode select 2D View Rectangular Zone Creation Mode fro
217. tion Inspection Sales by others particulars Inspection Technical by others inspection On site measurements of input parameters for assessment Design or as built documentation Page 168 2012 BuildDesk Ltd Carbon Checker user manual Running the SBEM calculation 11 Running the SBEM calculation This section describes how to perform the Part L compliance and EPC calculations by running the model against SBEM and the features available 11 1 SBEM calculation overview This is the feature that actually performs the calculation produces the necessary files for building regulations compliance or the EPC and displays the results The calculation can be performed by selecting Tools Run SBEM CTRL U from the menu selecting the Run SBEM amp button from the toolbar or selecting the Run SBEM at the bottom left of the main screen em Note You can only perform the c calculation if everything in the project settings 37 geometry s0 etc is all valid When this is the case the Calculate button at the bottom left of the main screen will be green The first thing that may happen is that the Adjacency Calculation ho for the building is performed This will occur automatically if it has not been performed since the building geometry was last modified The next thing that may happen is that you may be given a warning about aspects of the project that could be looked at such as Renewable Energy Systems 72
218. tions Constructions such as cladding and steel frame constructions require more complicated calculation procedures and an appropriate methodology should be followed for example the BRE U value Calculator would be appropriate for these construction types Guidance on the calculation of U values for curtain walls can be found in The Thermal Assessment of Window Assemblies Curtain Walling and Non traditional Building Envelopes Ledbetter S et al Centre for Window and Cladding Technology University of Bath Bath March 2006 Note The calculation of the U values of window and roof light systems must contain the effect of the bars that form part of the glazing system The calculation of the U values of these systems must contain the effect of the bars that form part of the glazing system Otherwise they could be considered as thermal bridges but the preferred option should be to incorporate the effects of the glazing bars within the overall U value Page 191 2012 BuildDesk Ltd Carbon Checker user manual Resources and Links 14 Resources and Links Part L Guides issued by DCLG Building Regulations Approved Document Part L2A 2006 Department of Communities and Local Government Building Regulations Approved Document Part L2B 2006 Department of Communities and Local Government Non Domestic Heating Ventilation and Cooling Compliance Guide 2006 Department of Communities and Local Government Low and Zero Carbon En
219. tions Pait L2A where they would otherwase fail The application of renewable energy systems should only be considered alter energy efficency measures have been appled to the design of the building and its services For further advice on the feasbity of venous renewable energy systems for your development please see the services Southtacing can provide at Hip www southtseima co uk oK Page 72 2012 BuildDesk Ltd Carbon Checker user manual Project Settings Construction Types and Services There are currently three choices of Renewable Energy Systems available for adding to your building e Solar Hot Water Systems 737 e Photovoltaic Systems 76 e Wind Turbines 7 5 10 1 Solar Hot Water Systems Solar Hot Water SHW systems can provide a significant proportion of a building s hot water demand throughout the year The SHW calculator provided in this section gives an indication of the possible contribution to the hot water load of the building and reduction of the building s overall CO2 emissions In order to ensure that a SHW system is technically appropriate for a particular building a feasibility study is recommended This will identify the potential contribution from a particular SHW system and give a more detailed assessment of system cost and payback There is also potential part funding under the DTI Low Carbon Buildings Programme Edit Solar Hot Water Systems Solar Hot Water Systems A Edit Add Delete
220. tively if the surface is less than 10 degrees from horizontal then it is described as Flat How many degrees the surface is from horizontal If the surfaces has been split 106 to have two separate constructions each surface part is shown separately in the treeview When a Surface Node is selected the Surface sub menu becomes available from the main top menu bar You can also right click on the Zone Node to get the same menu options They are Edit Surface 1087 Edit Surface Thickness 128 Edit Surface Construction and Construction Params 1297 Manually Define External Adjacency 1297 Edit Floor Hole Area h tm Note Edit Floor Hole Arealisi is only 9 available if the surface is a floor Page 145 2012 BuildDesk Ltd Carbon Checker user manual The Treeview tm Note If you press the on the v numeric keypad Key whilst a node is l highlighted all nodes below that node will recursively be expanded If you press the Key on the numeric keypad whilst a node is highlighted all nodes below that node will recursively be contracted tim Note The checkboxes next to each node are used to turn the node on or off in the 3D view This allows individual Layers Zones or Surfaces to be hidden in the 3D Viewer 174 This feature does not apply to windows or doors which can be turned on or off en masse in the 3D Viewer anyway 7 5 Adjacency Nodes These represent e
221. to Rue BR ji and Wales Ireland Building Regulations akg D jons Part L Noether Ireland Regulations Part F Scottish B Ri jons BR IRL Republic of egulatioris B Pat L EPC E EPC England EPC NI Northem Ireland EPC SC EPC EPC W EPC Wales BER IRL Republic of Ireland Building Energy Creation Date Rule TER Notional Typkal SER BER C 27 10 2008 12 18 12 EPCE 856 118 85 166 3 756 Cd C 14 08 2008 13 00 50 BR 85 59 11885 92 08 Setup for ISBEM example bulding v3 2b first pass Compare Selected Results Remove Selected Resuk s Remove All Previous Results sim cm The details show will depend on the type of analysis done The above example is for an EPC calculation If a Building Regulation compliance calculation is performed the display shows PASS or FAIL which relates to Criterion 1 Building Regulations ADL2A In order to understand the situation regarding all 5 criteria information is presented in the Compliance Document link button on the right of the screen The fields that might appear on the results screen have the following meanings Building Emissions Rate The Building Emissions Rate BER is calculated based on the actual building described This value is key to assessing compliance In order to show compliance with Criterion 1 as stated in ADL2A the BER must be lower than the Target Emissions Rate TER Target Emissions Rate The Target Emissions Rate TER is calculated fr
222. trategy being used This factor is combined with the Low and Zero Carbon Factor to establish the Target Emissions Rate TER for the building in question Depending on the HVAC strategy this Improvement Factor will require between 15 and 20 improvement over Building Regulations ADL2A 2002 standards Low Zero Carbon Factor The Low and Zero Carbon Factor is applied to the Notional Building emissions rate to reduce the Target Emissions Rate TER from Building Regulations ADL2A 2002 standards to account for in theory 10 of the building s energy demand being met by on site energy generation This factor is combined with the Improvement Factor to establish the Target Emissions Rate TER for the building in question Pass Fail Whether this building design passes or fails the Part L2 calculation Current and Previous Results Shows the historical list of previous calculation iterations and the headline results from them SBEM Outputs This report describes the overall results provided by SBEM Data Reflection Actual Building This report provides all of the information supplied to SBEM in order to calculate the Building Emissions Rate BER and annual energy performance Data Reflection Notional Building This report provides all of the information supplied to SBEM in order to calculate emissions and energy performance associated with the Notional Building Page 172 2012 BuildDesk Ltd Carbon Checker user manual Running the
223. tton in the toolbar You will be presented with a screen similar to this Edit Thermal Bridge Settings Multiplier Length m Psi WjmK Cancel Additional thermal bridging at junctions and around openings which is not covered by Accredited Construction Details or MCRMA guidance needs to be accounted for Where additional thermal bridges are know for a surface please describe in this facility The fields displayed have the following meanings Multiplier Number of thermal bridges of each type Length Length of the thermal bridge Psi W mK Linear thermal transmittance Description A description of the extra Thermal Bridge Select OK to commit any changes or Cancel to exit without committing the changes Page 125 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 3 1 8 6 3 1 8 Moving Around the Surface In the Surface view there are two main ways of moving about e Zooming 128 e Panning 12 There are also ways to select 124i and move surfaces 124 covered in the zones section 1 Zooming on the Surface View Zooming is the ability to be able to increase or decrease the scale of the current view Zooming can be performed by using the Surface Zoom In and Surface Zoom Out options from the menu These options are also available via the Zoom In and Zoom Out buttons on the toolbar amp amp You can also use the Surface Zoom Extents option from the menu or the
224. u are in Zone Width metres The width of the zone Note The position of this field will change depending on what view you are in Page 85 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 2 2 Zone Length metres The length of the zone Note The position of this field will change depending on what view you are in Unheated Space This determines whether or not the zone that you are creating is an unheated space By default standard zones are not unheated spaces When created the zone should look something like this in the 2D View T 6m 5m 4m 3M 2m 1m Om 4m 2m 3m 4m Sm 6m Once you have drawn your rectangular zone you can move s2 it rotate 10 it copy 10 and paste 100 it mergeho it with another adjacent zone deleteho it edit it in 3D s and amend settings 1491 Freehand Zone Creation In order to enter Freehand Zone Creation Mode select 2D View Freehand Zone Creation Mode from the menu af select the Freehand DA Zone Creation Mode button from the Toolbar The mouse cursor will turn into a cross hair when the mouse is moved over Page 86 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry the 2D View 80part of the screen In order to create a freehand zone click and release the left mouse button where you wish the first vertex of the zone to be You will now find that you have a dotted line moving between the point yo
225. u clicked and the mouse Keep left clicking at each point where you wish to create a new vertex If you are in Intelligent Snapping s3 mode then the point clicked may snap to a point horizontally or vertically the same as the previous point If at any point you make a mistake click the right mouse button and this will remove the most recently added vertex If you wish to abandon the zone creation press the Escape key at any point As you draw the shape the starting point is indicated by a red dot This can be useful in cases where the starting point might not otherwise be obvious such as when drawing a freehand zone when the starting point is adjacent to an existing zone at least 3 vertices in the current view otherwise it cannot physically exist tm Note A Freehand Zone must have tr Note A Freehand Zone cannot ii have 2 surfaces that are a i parallel continuation of each other If you wish to design a zone like this you will need to mergelio 2 or more zones together tm Note Intelligent Snapping s31 can be in lt 9 turned on or off using the toolbar button during freehand zone creation Also you can pan s around the model using the arrow direction buttons that surround the 2D View during freehand zone creation When you wish to finish the freehand zone you do not need to link the first and last vertices manually this will be done when you close the zone by pressing C or Ente
226. ual Paste Attributes 162 button next to the zone you wish to paste to or if you wish to paste to multiple zones check the checkboxes next to each zone and then press the Paste Zone Attributes to Selected Zones Note that you can use the checkboxes at the top of the screen to choose which attributes to paste There is also an undo redo feature on this screen which can be selected individually from the Edit menu or by pressing CTRL Z for undoh7 and CTRL Y for redo 17 When you have finished on this screen select Close Page 163 2012 BuildDesk Ltd Carbon Checker user manual EPC recommendations 9 EPC recommendations 9 1 EPC recommendations list This is accessed by pressing the Recommendation button on the left hand side of the screen Recommendations B CAINOM CA Fiter by Category Filter by Referenced Object Type C AllUser C OnlyfromRepot NO FILTER FOR CATEGORY z NoF LTER FOR OBJECT TYPE X LOBJECT TYF OBJECT NAN IN REPORT ITEXT NO BUILDING The default chilller efficiency is chosen It is recommended that the chiller system be investigated to gain an understanding of its efficiency and possible improvements COOLING EPC C2 BUILDING NO Chiller efficiency is low Consider upgrading chiller plant COOLING EPCC3 BUILDING NO Ductwork leskage is grester than 10 Inspect and seal ductwork ENVELOPE EPC E1 BUILDING NO Some floors are poorty insulated introduce and or improve insulation Add
227. ulation basics Part L ccccccssessesseseesseseessesseeeseesessensesnens 194 15 3 Calculation basics EPC cccccssecssessesceseesseseeseeeseeenesnennensensens 195 15 4 Is SBEM appropriate cccccccsseeseessesseseesseeseesesseesseusesseneensens 196 15 5 Tips for gathering data ccccsceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneaneneee 197 15 6 Zoning your building c ccsceeeeeeeeeeeeeeeueeeeueeeeueeeeeeeueeeauaseanaes 200 15 6 1 Automatic zoning for daylight ZONES s sssssssusnnnunnnnnnnnnnunnnnnnnnnnn 201 15 7 Measurement CONVENTIONS s s ssssssssssssu5 2222555255uu2uuunnnuunnnnn 202 15 8 Other resources cceeceeeeeeeeeeeeeeeesenseeseneeeseeeeeeesaeeasenseasenseneens 203 16 Acknowledgements 205 17 BuildDesk 206 Index 207 Page 5 2012 BuildDesk Ltd Carbon Checker user manual Introduction 1 Introduction BuildDesk Carbon Checker Carbon Checker is a software application that provides a front end to DCLG s SBEM software tool This help system provides detailed information about the software Its aim is to help you more easily use it to get your buildings through building control We have tried to design Carbon Checker so that it is easy to use Please see the tutorial for an overview to get started this manual allows you to make full use of the available features and to help if you get stuck on a particular section e Legislative background s e The NCM and Part L2 Compliancel 7 e Deciding whether SBEM is appropr
228. unning for the first time is register the software To do this simply copy the Client Key on the screen that is presented and e mail it to carbonchecker builddesk co uk stating your name and company We will send you a license back as quickly as possible probably within a few minutes You can also call BuildDesk using the contact details at the start of this document if you have problems at this point Full licenses usually run for a full year Academic licenses have restricted features and both these and Trial versions cannot be used for submission of projects to building control Once you have performed the above steps Carbon Checker is installed and you are ready to start designing buildings 2 1 Running Carbon Checker as Ordinary User Once it is installed it is recommended that you always run Carbon Checker as an administrator user If you are unable to do this then you should follow these steps terme Note These steps require some specialist knowledge and you may i need your IT department to assist you with this 1 Install run and register Carbon Checker using and Administrator login as described in Installing and Licensing 10 2 Run regedit if you are running Windows XP or regedt32 if you are running Windows 2000 3 Ensure that the registry key HKLM SOFTWARE BuildDesk has permission for all Users to have full control over this registry key Page 11 2012 BuildDesk Ltd Carbon Checker user manual Installation
229. ur IT department Once it is installed it is recommended that you always run Carbon Checker as an administrator user If you are unable to do this then you should see Running Carbon Checker as an Ordinary User 1 If you have obtained Carbon Checker on CD then in order to install the software you should simply need to insert the CD into your CD drive and the installation will progress You may need Administrator rights to do so see important note above If the automatic start does not happen this feature is turned off on some systems please navigate to your CD drive using windows explorer and run CarbonCheckerlInstaller exe If you have downloaded or been sent the software electronically then please run CarbonCheckerlInstaller exe from wherever the file has been placed on your system The NET framework a pre requisite for Carbon Checker is the latest development system from Microsoft and if you do not already have version 1 1 or later on your system the installer will install it for you MDAC 2 8 a pre requisite for Carbon Checker is Microsoft Data Access Components version 2 8 if you do not already have version 2 6 or later on your system the installer will install it for you Here are the installation steps after having launched the installer 1 Select Next 2 Check I Accept the terms of the license agreement and select Next 3 At this point you may be prompted to install the NET framework if your system does not already
230. ut what you need to do with Carbon Checker Page 30 2012 BuildDesk Ltd Carbon Checker user manual Getting Started 4 3 2 Project Wizard Imroduction Add project setlings eg ad diess cesifier In ceda to genere a working SBEM model and demonctiate compliance I with Bulding Regulations Pat L24 this wiz d wil step through vanous setup scteens where the pigect is desaibed in tems of its bulding Set construction construction and rervices eg HVAC ard D Once this has been lypts eg wals completed the bulding geometry needs to be bed using the 2D and 30 rtetace adding windows and doce where appropriate Finaly al zone activiies and noerdefauit buiding constuction and services types need lo Set up HVAC and be assigned DHW systens I Set up renewables on oven a garden bork systems optional s Sucy given foe each section the buttons onthe left of the main sereen wil l results tuen to green When al sectors requied by SBEM have been Input buildi adjust inputs completed the Run SBEM button wal turn from ied to green and you seth ve q if needed can celoulste the energy paformance of the buking 20 3D interface _ to PASS Add extemal The esuking repo wil Mndicare wheter the Duling compiss with rrindere amp dopre Buldny Regudatiers Part LIA to zone surfaces Configure zones for activiy b services FAIL PASS i Print reports lor I Deri Show Thit Again Building Con ol There is a Don t Show This
231. view 80 as a crosshair meeting at the 0 0 point of the current view It will only be visible if the centre point is visible in the current view tr Note In all 2D views there is no i1 perspective applied to the zones so if i e g zones are directly on top of each other this will not necessarily be instantly obvious Other views and or the 3D Viewer 17 and 3D Editor 937 can be used to get a fuller idea of the dimensions of a building Page 81 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 1 2 Moving Around in 2D View In the 2D view there are two main ways of moving about e Zooming s2 e Panning s3 There are also ways to select 2 rotatelo and move zones 92 covered in the zones section 6 1 2 1 Zooming in 2D View Zooming is the ability to be able to increase or decrease the scale of the current view Zooming can be performed in a number of ways The easiest way to do this is to select 2D View Zoom Pan Mode from the menu or select the Zoom Pan Mode button from the toolbar Once you are in this mode you can use the right mouse button held down and then move the mouse up and down in the 2D Viewls to zoom in and out You can also use the scroll wheel on your mouse if it has one to zoom in and out The direction the scroll wheel mouse moves the zoom can be reversed using the Reverse Scroll Direction tool in Tool Options 185 ts Note The scroll wheel me
232. ws the importing of certain CAD and image file formats The formats currently supported are CAD DXF and DWG These can be created in packages such as AutoCAD PDF files Picture files bmp jpg png tiff When imported the image is shown as the background on the 2D View s01 It is panned and zoomed along with your Carbon Checker design and can be traced over when creating zones It is particularly useful when tracing to create a freehand zone to use the Intelligent Snapping s3 feature Page 131 2012 BuildDesk Ltd Carbon Checker user manual Building Geometry 6 4 1 CAD import 6 4 1 1 Attach CAD image File for Tracing This can be done either by selecting CAD Import Attach CAD File for Tracing from the menu or by pressing the CAD button in the toolbar You will be presented with a standard Windows File Open dialog which you can use to navigate to and open the required DXF or DWG file Once the file has been opened you will be presented with the CAD Options 133 dialog box which needs confirming usual scale is in millimetres before you can begin tracing Tracing then proceeds in the usual way using rectangular or freehand zone drawing modes recommended with Intelligent Snapping s3 tr Note Once a CAD file is attached the toolbar CAD button then becomes a toggle allowing you to turn the image on or off This may help for more speedy arranging of zones once they have been created 6 4 1 2 Detach
233. zones In order to copy a zone s attributes select the zone and then select Zone Copy Zone Attributes CTRL SHIFT C from the menu or select the same option after right clicking on the zone s in the 2D View s or TreeView 143 The zone attributes will now be copied into the copy buffer ready for pasting It is also possible to copy and paste zone attributes using the Zone Configuration s screen Page 161 2012 BuildDesk Ltd Carbon Checker user manual Zone Settings and Configuration 8 3 Paste Zone Attributes Zone Attributes are all settings associated with the zonels other than the name and the geometry 807 settings It is possible to copy and paste these attributes between zones In order to paste zone attributes after they have been copied select 92 the zone s that the attributes will be copied to and select Zone Paste Zone Attributes CTRL SHIFT V from the menu or select the same option after right clicking on the zone s in the 2D View or TreeView 145 A copy of the zone s will now be pasted and will appear in the 2D View 80 gt and TreeView 143 It is also possible to copy and paste zone attributes using the Zone Configuration 162 screen 8 4 Zone Configuration Feature This is a feature that allows you more easily to configure the settings for zones s4 in one place You can select the Zone Configuration by selecting Building Configure Zone Zones from the menu or selecting the Confi

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