381-58 Issue 1 Micro GT Heli-Deck User Manual
Contents
1. Discovery discovery_A 2013 04 11 Run08 survey csv in that it contains 0 event markers Analysis will continue but you need to manually correct the run data and analyse again Information Neither centre line is the longest run in its direction Analysis will be cropped to centre line length Contact Us Contact Details For further information on any aspect of the micro GripTester Viewer software or to arrange a calibration or service please contact Findlay Irvine by post email telephone or fax as follows Findlay Irvine Ltd 42 44 Bog Road Penicuik Midlothian EH26 9BU UK Tel 44 1968 671200 Fax 44 1968 671237 email sales findlayirvine com website www findlayirvine com 262. The Quick Run menu is used when you require to carry out a quick check to verify that the equipment is operating correctly or to quickly test a particular surface without first having to set up a Survey and Run When carrying out a Quick Run the GripNumber graph and associated information is displayed on the same style page as when carrying out a normal Run as part of a Survey however Default run parameters test speed water depth etc are used After completing a Quick Run you have the option to save the data Help Menu The Help menu is the text that you are reading As well as Chapter titles and Topic pages index and search facilities are provided Preparing for a Survey Assemble Instructions The micro GripTester can be disassembled into two separate packages each weighing less than 12Kg for hand carrying purposes to and from the heli deck to be surveyed furthermore the micro GripTester can be assembled disassembled without the use of Hand tools The following is a step by step guide to assembling the micro GripTester 1 The micro GripTester can be transported in two separate bags See Fig 1 amp 2 reducing the weight to below 12Kg in each One bag contains the Main GT Body the second bag will contain the Handle wheels Camel pack and accessories bag containing Battery charger tyre pressure gauge UBB Pen USB cable and LCD Cleaning kit Fig 1 Main GT Body Fig 2 Handle Wheels and Accessories 2 First Remove the
3. GT body from the bag then align and fit both Drive wheels these are hand tightened with a single nut as shown in Fig 3 and 4 Fig 3 Drive Wheels Fig 4 Hand tighten the nut 3 The next step is to fit the Measuring Wheel this is secured in place by had tightening the three spring loaded nuts as shown in Fig 5 ta O E A rs e et _ y 7 Nee ENE Fig 5 Drive wheel fitted with 3 nuts 4 When the micro GripTester is not being used being transported or when carrying out routine maintenance the chain locking mechanism should be engaged this is a safety feature to prevent accidental damage to the user or indeed the micro Grip Tester Figure 6 shows the chain locking mechanism with Red indicating the chain is locked Fig 6 Chain locking mechanism 5 The next step in the assemble procedure is to fit the handle there are 4 locking pins to be fitted at this stage and care must be taken when aligning the handle with the main body Ensure the locking pins are fitted in the correct positions and orientation as shown in Figs 7 8 and 9 NA ii Fig 7 Locking pin fitted lower hole on Outside Fig 8 Locking pin fitted to upper hole on Inside 6 Once the micro GripTester handle has been secured to the main GT body correctly using the 4 locking pins connect the power cable as shown in Fig 9 It is important to line up the two white markers before pushing home the cable and tight
4. The speedometer displays push speed with the centre of the dial the target soeed GPS data ambient temperature and distance are shown along with a graph of GripNumber versus distance travelled As the run start point is passed the Start Stop switch is pressed or the Log button tapped The GripNumber graph will reset back to the start and the Distance will reset either to the run length if a run length was set or zero is no run length was set When the set Run distance is complete or when the Start Stop switch is pressed or Stop button tapped a Run Review screen will be displayed after a short delay This screen shows a summary of the run data including the GripNumber average maximum minimum and standard deviation At this point it is possible to add further Run Notes if required Abandon or Save the Run data as required and the screen will prompt for a choice of either another Run within the same Survey or End Survey A detailed explanation of how to carry out a Heli deck survey can be found in the Carrying out a survey Section of this manual File Management Menu The File Management menu allows the User to see the folders and files on the internal disk and external USB memory pen if fitted and to copy files to or from these two disks All Surveys are stored onto the Surveys folder as described in the Chapter Data Folder Structure Runs are stored in individual folders within the Survey folder To copy from internal dis
5. arving PE RAK EP yi e 12 P shing Handle MM O e heute as 12 Batory us o tual 12 Checking Tyre PIESSUIES sararmalar ela said aldilar zda 12 eee Le On a yg RK e 12 Setting the Software Defaults 00000 ra 13 Checking the Zero sans assada a CS 13 Creating Heli deck Survey Files ususensseneasenenenensanso 14 Guide to survey file creattonandmanagemeni 14 Preparing the GE IIPOSCK meruere awed enai 16 Run Error Warning MESSQQGES cscecssceeseceeeecseeesseeeseeeesesstsesanes 16 NO Event Markeri asas e i latent ekledim ani gelen elin 16 Cente EL ME VV ANG e ui a olim mare alalim ayan nde alime 17 Performing the Heli deck Survey s cssssssscescseeseseseseeenas 17 Position of thePushingHandle 17 Scrub the Measuring Wheel s sssssssssnsnssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 17 Starting the Heli deck Survey e 17 Maintenance and Storage umuzuzezsunanenencenenaneneasanenano 19 Maintenance MR KY cay Peta 19 RAL e e hg desen Eee Lina a 19 DONA CS e ee ee e ee One 19 Heli Deck Grip Tester Analyser uuumuzuzunsanasaneneanananaas 20 COW CTV LOW accent EM a Pi e o ne 20 IIStAN AMON asus assino ao seeds a a auc arsed a 20 SUIVEY FOICE seri ikale alani E di a aa ada 21 Copying Survey Files from Grip Tester 22 o rey ANAIVSIS ratos dila yaka eb sn bie de la Geld ll iel 22 Starting ne Analysis asm amade ni akarlar 24 vg NE e 25 Wh
6. serstGordon McPhersontDocuments Findlay Irvine Limited Helic Browse Disk Cost WARNING This computer program is protected by copyright law and international treaties Install Helideck Grip Tester Analyser for yourself or for anyone who uses this computer Unauthorized duplication or distribution of this program or any portion of it may result in severe civil or criminal penalties and will be prosecuted to the maximum extent possible under the law Everyone Just me Cancel Back Cancel lt Back i Helideck Grip Tester Analyser Confirm Installation The installer is ready to install Helideck Grip Tester Analyser on your computer Click Next to start the installation Cancel lt Back At this point Windows will pop up a User Access control box which will ask you to confirm that you want to install the software iz Helideck Grip Tester Analyser Installing Helideck Grip Tester Analyser L x lolxi ie Helideck Grip Tester Analyser a Installation Complete A Helideck Grip Tester Analyser is being installed Helideck Grip Tester Analyser has been successfully installed Click Close to exit Please wait Please use Windows Update to check for any critical updates to the NET Framework 20 The software has now been installed and an icon has been placed on your desktop ae Findlay Irvine Helideck Grip Tester
7. the actual speed and a bleeper will indicate over speed or under speed conditions Touch screen LCD The micro GripTester uses a daylight readable touch sensitive colour liquid crystal display LCD for display and User input Two stylus pens are supplied in the compartments either side of the User Interface box Simply tap the end of the stylus on the LCD to make an entry A small keyboard will be displayed when numerical or text entry is required Use the stylus to select the required numbers or text Do not use any implement other than a stylus on the LCD as it may mark or damage the touchscreen GPS A GPS Global Positioning Satellite receiver is built into the micro GripTester The latitude and longitude are displayed during a test run and also stored into the run data file along with altitude and various other GPS parameters When the micro GripTester is switched on it may take several minutes for the GPS to obtain a position fix The GPS is also used to set the real time clock in the micro GripTester As the GPS transmits UTC time which is the same as Greenwich Mean Time the User may set in the System parameters menu the time offset from UTC for the time zone in which the survey is being conducted Buzzer The micro GripTester incorporates a buzzer that is used to indicate various states During a Run a continuous tone indicates that the micro GripTester is being pushed too fast at above the preset test speed An inte
8. 3 26 13 Jun 2013 Start New Survey or continue an Existing Survey A Survey is one or more test Runs Check Calibration System Help File Management Fig ta Fig 1b 2 The next stage is to enter details about the new survey you are creating giving the survey a name entering the operators name and a short survey description are all possible on this screen Note it is also important to check the Transverse box if you intend doing a survey of a helideck aluminium or similarly ridged deck As shown in Fig 2b Start New Survey 13 28 13 Jun 2013 Esc 1 2 3 4 5 6 7 8 9 0 4 Tabjajwjejrjt yjulifto p 1 caPlalslaltlalhlilkl l l Shift z x clvjbjnjm Z ET k EE Enter Survey Details Survey of ES Survey Survey Name Helideck 1 Darr Helideck 01 E asama a a ma ENER 3 Fig 2a Fig 2b Ridged Aluminium deck 3 Upon completion of this page select the More icon this will take you to the screen shown below where you can add notes weather conditions and more importantly set the speed and water depths for the survey Please Note The water depth should always be set to 0 25mm and it is recommended the survey speed be set to 0 4m s as shown here File Zoom Tools Help 13 30 13 Jun 2013 Configure New Survey di Esc O w Jo 8 C bel Tab O WE IRI T y ult joie t yy es AS D FIGHT IK I t shift 2 x C BINIM lt gt ct
9. Analyser Click on the icon to start using the software Survey Folder Before you start using the software you need to install the software as described in section Installation You then need to create a survey directory on your PC which will contain the helideck survey files from the Grip Tester The name and location of the directory is entirely up to you but we recommend you name it something like Helideck Surveys and create it in your user directory You should then create a sub directory for each individual helideck as shown below 8 Gordon McPherson E i E i oy xi Ce aa cmpsanma Organize Indudeinlibrary Share with Burn New folder dz v Tl 8 Gordon McPherson 2 Name Date modified type size H m2 ye di m2 12 06 2012 11 35 File folder M netbeans D nbi 19 08 2012 21 11 File folder J AppData y J netbeans 12 06 2012 11 14 File folder H Contacts AppData 16 11 2011 13 53 File folder w Graphics Properties Database a H Contacts 02 08 2012 10 01 File folder 8 Configure Switchable Graphics Deskton hal I Ka 2 Bitmap image FIContact i Microsoft Office Word Document 4 Journal Document ke Microsoft Office PowerPoint Presentation Bh ATL MFC Trace Tool settings file Text Document Paste Paste shortcut Date modified m2 ne rez ME E nbi L Favorites 23 03 2013 20 32 File folder netbeans be 20 06 2012 16 11 File fol
10. GPSFix No Survey Notes Helideck 1 Direction Chevron left Select Save Run and then Another Run to continue with the survey The user will now be ready to start Run02 of the survey 3 Run 02 should now be performed in the opposite direction to the first run one metre apart Pressing the Event Marker button as the centre line is traversed 4 The survey is continued in this fashion until the all the runs for Direction A are complete with the exception of the central run which as described above require the user to press the Event Button three times 5 On conclusion of all the runs in Direction A Select the End Survey Button This will take you back to the Main Menu 6 Once the user is ready to Survey the heli deck in the opposite direction Direction B from the main menu select Start Survey Existing Survey and select the appropriate file as shown below and select Load followed by Set up Run File Zoom Tools Help Select Existing Survey 1306 13 Jun 2013 Local Disk USB Memory Stick E surveys 4 7 Quick Run m Jer A Ml Jer B m Helideck 1_4 ma Helideck 1 B 7 This time the Survey will be perpendicular to the chevron and the user will see the following instructions when preparing for the first run as before pressing X shows a detailed map File Zoom Tools Help File Zoom Tools Help 2013 E Setup E AGUIE orj xj 5 E You ve elected to per
11. Micro GT Heli deck User Manual Findlay Irvine Ltd 381 58 Issue 1 Ci M OdUCUOM sne e Gl au lara lu dani m isa suada 1 Overview ofthemicroGriplester 0 0 1 IMGOFY Ol Opera ane rasas aaa 1 Maor COMDONENI S ae en nT alna hakiki Bali 1 Equipment SUPpDIea sussa ias aa a a isca ossada das sl iii 2 micro GripTester Features uuzmumuzuzensusenaneneasenaneneananas 3 micro Grip Tester Assemble 660000888reerre res 3 Carrying the micro GripTester onceassembled 3 SUIVEVS ANG RUNS Sga lay bakan ye mim R tail 3 Units of measurement seansa dia during 3 Web DIV Testing A ne q 3 SURVEY TESLEDDE R s rmemeli sand dye lan all 3 ole eg ZE e ee 4 Ee e e Ky e e e eee 4 DUZZEF derimsi alla ai E n l 4 Setting the Time and Date cssssscecsessecsesseeeesesseeeesesaeseseesauseeens 4 SONG RUN DA LA assa tas Cotar ects Da a dd iis 4 ransterring Data toa Pari eliemsd icu raise Ton r 5 Analysing and Reports kite none ioe indeed 5 SOMWare MENUS pass masala aaa ae ald 6 MENS RR NN eee 6 Start Survey e KE CM RE e e 6 File Management MENU sasi dans male elan adli a nie ass adsl bad isa eg r ssscvestvavccsntiereceasbinivawbrivendetvan ecetbaveseriviedaebets SVENE L Ka ie ERR De E ER SERES R S 7 Quick RUN MENU e e ek 7 RGI MEN a e aaa RIR EE DEC ade E RR mai Preparing for a SUIVCY sans n n a daa nd 8 Assemble nstrUGllOnS sinemi a zda lan 8 TING ezine C
12. at Could Go ONO amana mak by slayer 26 Contact US akira pa adla ilde la ala ad dilin 26 Contaci Delas sura venec salad aar 26 Introduction Overview of the micro GripTester The micro Grip Tester is a three wheel manually pushed device which measures friction by the braked wheel fixed slip principle The device is known as a Continuous friction measuring equipment CFME as it measures continuously along the test path rather than just taking a single spot reading The device carries its own water supply and has an inbuilt water control system to maintain a known water film thickness where testing of the surface in wet condition is required Its single measuring wheel fitted with a special smooth tread tyre made to an American Society for Testing and Materials ASTM standard is mounted on an instrumented axle As the device is pushed over the surface to be surveyed the dynamic friction reading is automatically calculated and stored As well as friction other parameters such as speed distance travelled water flow GPS Global Positioning Satellite readings and ambient temperature are also taken and recorded Theory of Operation The majority of the micro GripTesters weight is distributed over two drive wheels which are fitted with patterned tread tyres and mounted on a drive axle The drive axle carries a sprocket the stub axle on which the measuring wheel is mounted carries a second sprocket with a different number of teeth than t
13. ation by salt or runway de icing chemicals particularly acetates and formates as soon as possible If these are allowed to dry on the measuring tyre it may be necessary to scrub the tyre clean to prevent the deposits from altering the readings The micro GripTester s transmission chain should be oiled with a low viscosity chain oil taking care not to get oil on the tyres at regular intervals The touchscreen LCD may be gently cleaned as required using the LCD cleaning kit supplied Annual Calibration All measuring instruments should be calibrated at regular intervals and the micro GripTester is no different As well as calibrating the Grip Tester against standard devices and issuing a calibration certificate the micro GripTester is fully serviced and components with fixed lifetimes such as battery tyres etc are replaced When a service is due a pop up message will be displayed when the micro GripTester is switched on Always ensure that the micro GripTester is adequately protected when returning it for maintenance or calibration It should be placed in the carry bag provided and placed in the padded transportation crate To arrange for an annual calibration and service please contact Findlay Irvine at sales findlayirvine com or telephone 44 1968 671200 or fax 44 1968 671237 Storage When the micro GripTester is being stored it can either be left sitting in its normal position with all three wheels on the ground or it can be care
14. ave it as an image to file 24 Options Normally you should use the data gathered in both Direction A and Direction B in the analysis However you can elect to analyse in only one of the directions by unchecking the appropriate Direction checkbox It s also possible to change the grip number ranges associated with colour coding but this should only be used for temporary analysis and also requires entry of the administrator username and password Hover your mouse over the boundary between the ranges you want to change and then click and drag accordingly The then need to select the Accept button and enter the administrator credentials Findlay Irvine HeliDeck Grip Number Analysis Helideck ACERGY Discovery MV Direction A discovery_A 2013 04 11 Analyse Setti Data Date 11 04 201 3 I Direction B discovery_B 2013 04 11 You can revert to the CAA default ranges by selecting the Reset to CAA defaults button Note that the administrator credentials are not required 25 What Could Go Wrong The analysis software performs validity checks on the run data and may pop up warning messages if it detects problems If this occurs you may have to perform another Grip Tester survey However the software will allow you to continue and analyse the existing data Typical error messages are x 8 There is a problem with the data for Runde in folder i i C Users Gordon McPhersonHelideck Surveys ACERGY
15. der AppData 24 Ji Findlay Irvine 01 02 2013 16 26 File folder Contacts 24 05 2012 09 49 File folder Database N Helideck Surveys 15 04 2013 09 38 File folder k Deskton 21 i x CIO nl ES cia r citar ES E HO 15 04 2013 09 56 File folder pd Copying Survey Files from Grip Tester The Grip Tester automatically creates survey files each time you perform a survey and these files need to be copied to the survey sub folder you created above Note the Grip Tester can be configured to save the files to either an internal Storage Card or directly to an external USB Stick It s probably better to configure the Grip Tester to save surveys to the Storage Card but you ll then need to use the Grip Tester File Management menu to copy the files to a USB stick Once you have the survey files on a USB Stick simply drag them to the appropriate sub folder IR ACERGY Discovery Organize Indude in library v 3 2 CalibrationC br 2 Name Date modified D Findlay Irvine criptester discovery A 15 04 2013 08 54 ge qe Di discovery B 15 04 2013 08 54 renamedCo de InspectionManager m X ta Search surver d mebbes Type NRWebService AET RCM Central Management System v2 surveys dg urDrive File folder File folder Survey Analysis To analyse a survey start the analysis software by double clicking on the icon which was placed on the desktop during the i
16. e from survey to survey and so may be set as Defaults so that the values are already set on Survey and Run setup screens To set the defaults tap the System menu The parameters that may have defaults set are Test Speed Water Depth Run length Log Data to Internal USB You may also set the following Units Time Zone Language Checking the Zero Before undertaking micro GripTester surveys it is good practice to check that the micro GripT ester correctly reads zero GripNumber when no drag is applied to the measuring wheel If the zero has shifted very slightly between 0 05 and 0 05 the User can reset the zero Larger shifts in zero indicate damage to the measuring axle and the micro GripTester should be returned to the manufacturer for inspection To check the Zero tap the Check Zero menu option Now press down on the pushing handle so that the measuring wheel comes off the ground then very gently drop the wheel back onto the ground without moving the micro GripTester backwards or forwards whilst keeping the handle raised If the display reads above 0 03 the unit may require re calibration if this is the case contact the manufacturers 13 Creating Heli deck Survey Files Guide to survey file creation and management 1 From the microGripTester main menu select Start Survey then as shown below 13 24 13 Jun 2013 Findlay Irvine micro GripT ester Software Revision 1 0 0 36 Device Serial Number pGT 0012 1
17. ening Fig 9 Line up the two markers before fitting 7 The push handles which are positioned flat against the main GT handle for transportation can now be locked into position as shown TA a Fig 10 Push handles for transportation Fig 11 Push handles in survey position 8 The micro GripTester display screed can be pivoted on its axis to aid viewing fig 12 also shows where the USB pen and cables are connected Fig 12 Screen and USB connection 10 9 The Camel pack is filled with water prior to the survey worn as shown in figure 14 and connected to the micro GripTester main body in preparation for survey Fig 13 Fill the camel pack with water Fig 14 Shows how the camel pack is worn 10 The water hose is connected to the micro GripTester as shown it is important to make sure the hose is not kinked in any way when conducting the survey as this can restrict water flow significantly as seen in figure 16 Hose kinked restricting water flow Fig 15 Showing hose attachment Fig 16 Water hose incorrectly connected 11 The micro GripTester is now fully assembled and ready to be used for heli deck surveying the chain locking mechanism can now be disengaged by rotating the switch as shown Fig 17 Locking mechanism rotated to show Green 11 Lifting and Carrying When the micro GripTester folding handle is in the stowed position the device may be carried using the two handle cross pieces Place
18. form runs in Direction B Stand in the centre of the helideck and face the Chevron Now go to the point furthest away from the Chevron on the leftmost gridline pointing towards to the Chevron Press X to see diagram 8 Upon completion of the survey select the End Survey icon which will take the user back to the main menu From the main menu the user can navigate to the survey files by selecting the File Management icon 18 9 Files listed on the left are survey files stored on the internal storage card files listed on the right are survey files stored on the external USB stick As can be seen below the survey files are stored by date under the particular survey conducted File Zoom Tools Help le Mana aj 13 41 13 Jun 2013 i Local Disk USB Memory Stick Free 1882 Used 1 Mb Free OMb Used 0 Mb 4 Quick Run Helideck 1 B e 7 2013 06 13 details xml Helideck 1_A m 2013 06 13 details xml ii aH ler A i si Delete Copy MAIN MENU 10 The Findlay Irvine Helideck Grip Tester Analyser software should be used to interpret the results of the survey This software is supplied separately and runs on Windows Maintenance and Storage Maintenance The design of the micro GripTester is simple and modular and individual parts which are worn or damaged can easily be replaced After use it is particularly important to remove any contamin
19. fully tilted back to rest on the lower pushing handle with the wheels in the air To prevent accidental damage the micro GripTester should be stored in the carry bag supplied whenever it is not being used 19 The battery should not be left discharged for long periods as this can reduce battery life If the micro GripTester is not used for extended periods then charging the battery say once every one or two months will extend the battery life Heli Deck Grip Tester Analyser Overview The Heli deck Grip Tester Run Viewer is a software application for use on a laptop or personal computer that provides an easy way to view graphs of a surveyed Heli decks either in one direction or both directions combined Installation The Helideck Grip Tester analysis software is provided as a standard Windows msi installation file Copy the file to your Windows PC click on the file follow the on screen instructions and accept the default settings i Helideck Grip Tester Analyser 215 x 5 Helideck Grip Tester Analyser Jo x Welcome to the Helideck Grip Tester Analyser La Select Installation Folder Lg Setup Wizard Ke a The installer will guide you through the steps required to install Helideck Grip Tester Analyser on your The installer will install Helideck Grip Tester Analyser to the following folder computer To install in this folder click Next To install to a different folder enter it below or click Browse Folder eau
20. he drive axle sprocket The two axles are linked by a transmission chain this transmission system continuously brakes the measuring wheel forcing it to slip This slipping wheel and the weight of the micro GripTester cause small bending movements in the stub axle which are measured by strain gauges The signals from these strain gauges are processed by an onboard computer and stored either on an internal disk or a USB memory stick when a heli deck survey is carried out The computer also receives signals from a proximity sensor activated by a wheel with 16 magnets mounted on the drive axle This allows distance and hence speed to be calculated Major Components The major components of the micro GripTester are as follows two drive wheels connected by a drive axle a measuring wheel mounted on an instrumented stub axle and connected by a drive chain to the drive axle a Signal Processing Unit SPU mounted on the drive axle a User Interface unit containing a touch screen LCD On Off and Start Stop switches a Camel Pack Watering System to deliver water to the measuring wheel a Pushing Handle that can be stowed on top of the micro Griptester z User Interface USB Connectors Signal Processing Unit y 4 W 3 N gt Drive Wheels Equipment Supplied The following equipment comprises the micro GripTester delivery package micro GripTester Protective Carrying bag Transportation Crate Two unprotective Carry bag
21. he user selected Yes the first survey will take place in direction A parallel to the Chevron and the user will see a screen similar to the one shown below File Zoom Tools Help S etup Run 13 31 13 Jun 2013 Escl1 2 3 4 5 6 7 8 9 0 4 Tabjajw e rjt yjujifo p 1 CaPja sjdjfjojhJjilkjiJ Shift z x c b n m 7 cuu h te J Edit Run names and notes if required Run Name Stop Survey Run Notes Direction Chevron left Survey Name Helideck 1 A Fig 5 6 Pressing the Start Run icon brings up the following dialogue box which contains detailed information on where to start the first run of the survey pressing X brings up the a diagram with further information on how to perform the survey in direction A Select Back and OK when you are ready to begin the survey File Zoom Tools Help File Zoom Tools Help OK x un 2013 You ve elected to perform runs in Direction A Setup f e stir wste Stand in the centre of the helideck and face the Chevron Now go to the left end of the gridline which is pointing across the helideck and nearest to the Chevron Press X to see diagram 15 Preparing the Heli deck As previously mentioned the full heli deck survey is performed in two directions Direction A Parallel to the Chevron and Direction B Perpendicular to the Chevron However there are several factors to consider when performing the survey regard
22. hich is a program developed by Microsoft for use with the Windows products to transfer information between a desktop PC and mobile devices such as a handheld computer mobile phone etc When conducting a run the User may set whether data is stored to the internal disk or the external USB memory pen If data is stored to the USB memory pen the pen may be removed from the micro GripT ester and inserted in the PC and the file copied to the PC hard disk If the run data file was stored to the internal disk copy it to the USB memory pen using the File Management menu then proceed as above Please refer to the chapter Copying data to a PC for further information Analysing and Reports The small screen on the micro GripTester allows only an overview of run data For most analysis purposes the data would be transferred to a laptop or PC An analysis software package Helideck Griptester Analyser is provided on the USB memory pen supplied with the micro GripTester The Helideck GripTester Analyser software may be installed licence free on any laptop or PC Instructions are included The software allows both survey files and associated data to be displayed and printed either individually or as an average of the two surveys Software Menus Menus When the micro GripTester is switched on a splash screen will be displayed for a short time and then the display will show the main Menu screen Behind each menu page are further screens Many of the sc
23. k to USB flash memory or vice versa select the folder of file to be copied tap Copy then select the destination folder then tap Paste Check Calibration The Check Calibration menu allows the User to verify that the measurement system is working satisfactorily and that the Zero measurement is accurate To carry out the check the measuring wheel is lifted just off the ground by tilting the pushing handle downwards Now very gently drop the wheel back onto the ground without moving the micro GripTester backwards or forwards The measured GripNumber is displayed Readings of 0 00 0 01 or 0 02 are acceptable If the reading is above 0 03 this may indicate a problem and the micro GripTester may require calibration System Menu The System Menu allows the User to Setup default Survey parameters View System settings View Device constants The Survey parameters that may be configured are Test Speed normal test speed is 0 4 metres per second Water depth normal depth is 0 25mm for a wet survey Run Length to suit application normally zero for Helideck Surveys Log Data to external USB memory pen or internal Disk System settings comprise Units of measurement default GripNumber GN Language Time Zone offset from UTC Device Constants comprise Factory calibration Date factory set Software Revision Windows CE Revision Further options are available however these are for factory use only and are password protected Quick Run Menu
24. l l l DIt Notes sirst Survey of Speed 0 4mjs x Heli deck Water depth fg Weather r 4 y Sunny Run Length Slighth MW wind Ea bs Log Data to Storage Ty Fig 3 On this screen the user can also comment on the surface condition and select whether the data should be logged to the internal storage card or USB memory stick Once the user has completed the data on this page select Back to return to the new survey file main page 14 4 The Save Survey icon which had previously been greyed out can now be selected and the user is presented with the following dialogue screen File Zoom Tools Help tart New Survey 13 31 13 Jun 2013 What direction will the runs in this survey be performed Yes Direction amp No Direction B Survey i Name Helideck Transverse E More Fig 4 Operator Essentially the user is being asked in which direction he intends to survey first Yes DIRECTION A Across the helideck parallel to the Chevron No DIRECTION B Across the helideck perpendicular to the Chevron At this point two survey files will be generated with the Survey name entered previously with extension A or B which is related to the direction of travel on deck and stored either on in the storage card or memory stick for future use 5 The user is now ready to begin Run01 of the survey of the helideck in the direction chosen previously Assuming t
25. less of the direction Heli deck Map with Direction A indicated In order to map the heli deck accurately the following must be done 1 The heli deck should be mapped in grid like fashion and the runs spaced evenly apart at a distance on 1 metre between runs and the heli deck should be marked up accordingly using chalked lines or equivalent 2 Each run will start where the previous run ended in boustrophedonic fashion as shown by the light blue line for Direction A and brown lines for Direction B in the above diagram Note If a run has to be abandoned the user will have the choice from which direction to repeat the run 3 The Event Marker button should be pressed each time the user traverses the centre line in direction of travel as indicated by the X in the above diagram 4 When carrying out the run on a centre line the Event Marker should be pressed three times once as you enter the landing circle once in the centre and once as you exit the landing circle as shown above Run Error Warning messages The software has been designed to warn the user if there have been too few or too many event markers during the run This is a warning and it gives the user the opportunity to repeat the run if a mistake has been made No Event Marker If the user completes a run and forgot to press the event marker on the centre line the following screen will be displayed File Zoom Tools Help File Zoom Tools Help 13 46 13 J
26. nstallation process El Findlay Irvine Helideck Grip Tester Analyser The software will then display the initial screen where the version number is shown in the corner Findisy Irvese HeliDeck Grp Number Analysts 22 You then need to configure the software to use the survey folder you created earlier Click on the Settings button navigate to the survey folder and click OK Note you must select the root folder and not one of the helideck sub folders Findlay Irvin k Grip Number Analysis Helideck Direction A Date Direction B r E p Downloads i xb Favorites Reset to CAA defaults Accept FI d Findlay Irvine d GripTesterViewer E ACERGY Discovery a discovery_A di discovery B Now click on the Save button to save the folder path for future analyses Findlay Irvine HeliDeck Grip Number Analysis Helideck 7 I Direction A Date I Direction B HH E m M a yag PRO NR E Reset to CAA defaults The available surveys should now be visible in the Helideck dropdown box Findlay Irvine HeliDeck Grip Number Analysis Data Settings vid Click on the helideck you want to analyse and then the appropriate date from the Date dropdown box 23 The software will then display the names of the survey files for each of Direction A and Direction B and will automatically include each direction in subsequent analysis ne HeliDeck Grip Number Anal
27. on the battery status is displayed as a coloured box on the top right hand corner of the LCD The colour of the icon will change as the battery voltage falls as follows When the indicator turns red testing should be suspended until the battery has been charged Green Fully charged Blue Yellow Red Low battery If the micro GripTester is left idle for more than 30 minutes it will switch itself off Follow the Normal procedure to switch back on Checking Tyre Pressures A pump to inflate the tyres is included with the micro GripTester NOTE Due to the small size of the tyres it is dangerous to use a compressor to inflate the tyres Before conducting a survey check that the pressures of the drive tyres and measuring tyre is as follows Drive tyres 10 psi 0 67bar Measuring tyre 5 psi 0 33 bar Switching On and Off On the User Interface box the switch marked I O is used to switch the micro GripTester on and off To switch on press and hold down the switch for about one second The micro GripTester will switch on and after a few seconds the LCD will display a splash screen It will then 12 run the application and display the main software menu To switch the micro GripTester off hold down the I O switch for up to 6 seconds Release the switch and the device will switch off Setting the Software Defaults There are a number of options that may be set by the User when carrying out surveys Many of these will not chang
28. one hand on each cross piece and follow correct manual handling procedures when lifting or carrying the unit The handle may be unlocked from the stowed position and moved to the pushing position Pushing Handle Before using the micro GripTester the handle must be set in pushing position To unfold the handle withdraw the two pins on the handle hinges by pressing the pips on the pin ends and pulling the pins out Rotate the handle on the hinge and re insert the pins with the handle in the pushing position When finished surveying reverse the procedure to move the pushing handle back to the stowed position The micro GripTester may then be lifted using the two cross arms on the pushing handle The weight will all be taken on the hinge pins the pins are chosen so that this is perfectly acceptable To aid manoeuvring of the micro GripTester two jockey wheels are fitted on the base of the pushing handle When the pushing handle is pushed downwards the weight of the device will be taken on the jockey wheels and the micro Grip Tester may be rotated and re positioned Battery A 12V sealed lead acid battery is included in the Signal Processing Unit The battery is charging using the charger supplied which is plugged into the Signal Processing Unit SPU Charging the battery from flat takes about 4 hours A fully charged battery will provide around 6 hours of continuous use The battery voltage is displayed on the System menu screen In additi
29. reens show time and date and also the Battery status indicator in the top right corner of the LCD There are six main menus as follows Start Survey File Management Check Calibration Quick Run System Help Start Survey Menu The Start Survey menu allows the User to setup a new Survey or select an existing Survey If New Survey is selected use the displayed keyboard to enter a Survey name Two Folders with file extentions A and B are created with the same name and Run data will be stored as sub folders in the Survey folders The Folders will be created on either the internal disk or the external USB memory pen whichever is selected as default in the System menu see later Also enter an Operator name and a Survey description By tapping on More further parameters such as Notes Weather test soeed water film depth run length and surface type may be set Note that until these fields are set it will not be possible to Save the Survey If Existing Survey is selected the disk Folder structure is displayed Surveys are stored in the Survey folder Double tap the Survey folder and select the Survey from the Folder list displayed After setting up a Survey or selecting an Existing Survey tap Setup Run to setup the first run of the Survey Now enter the Run details comprising Run Name which is also the Folder name into which run data will be stored and Run Notes Now tap Start Run The screen now displayed is the pre run screen
30. rmittent tone indicates that the micro GripTester is being pushed too slow at below the preset test speed The buzzer may also indicate fault conditions A continuous bleeping when not conduction a Run indicates a communications problem between the SPU and the User Interface Setting the Time and Date Under normal circumstances the GPS receiver automatically sets the real time clock in the micro GripTester As the GPS transmits UTC the User may set in the System parameters menu the time offset from UTC for the time zone in which the survey is being conducted If the GPS receiver does not have adequate reception or if it is not fitted or defective the User may set the internal real time clock using the System menu When a valid GPS connection is restored the real time clock will be reset to the GPS time taking into account any time zone offset Storing Run Data When a heli deck survey is complete the data will be stored onto either the internal disk or a USB memory pen supplied which may be plugged into the underside of the User Interface box The option of where the data will be stored internal disk external USB memory pen is selected by the User in the System menu Data and other files may be copied from the internal disk to external USB using the File Management menu Transferring Data to a PC Data may be transferred from micro GripTester to a laptop or PC either via a USB Flash Memory pen or by using ActiveSync w
31. s for hand carry transportation only Battery Charger Camel Pack Watering System Tyre Pressure Gauge USB Flash Memory Pen with User Manual and GripTester Run Viewer software installed USB Cable for connection of micro GripTester to PC or Laptop Two LCD Stylus Pens LCD Cleaning Kit Calibration Certificate micro GripTester Features micro GripTester Assembly The micro GripTester is easily assembled disassembled into two smaller lighter packages of approximately 12Kg each for transportation by hand to and from the heli decks The design is such that no hand tools are required to assemble the micro Grip Tester when on site Carrying the micro GripTester once assembled When the micro GripTester folding handle is in the stowed position the device may be lifted and carried by the two cross pieces on the pushing handle one in each hand Follow correct manual handling procedures when lifting or carrying the unit taking the weight and lifting position into account Surveys and Runs The micro GripTester software organises skid resistance surveys into Surveys and Runs A heli deck survey will consist of two survey files and file extensions A and B will be added automatically by the software when initially creating the survey Each survey file will contain all the runs made in either direction A perpendicular to the Chevron or Direction B parallel to the Chevron A facility Known as a Quick Run exists to allow the user to carry out a r
32. the two rubber hand grips then raise the pushing handle to a comfortable pushing height Scrub the Measuring Wheel lt is important to ensure the measuring wheel is clean and free of any contamination prior to use therefore if is essential the micro Griptester be scrubbed in prior to the survey To do this use the Quick Run option and carry out two or three wet runs of approximately 20 metres in length Starting the Heli deck Survey 1 From the position identified previously the user is now ready to start the first run of the survey in direction A and the following screen will be displayed File Zoom Tools Help 1 0 GN b 0 40 a DIST 0 0m LAT LONG AIR TEMP 22 1 C a E water W Grs Fix SPEED 0 4 m s ABORT LOG Start the run by selecting the Start Stop button on the Right hand side of the display console Press the Event Marker button on the Left hand side of the console when crossing the centre line and then press the Start Stop button again to end the first run 17 2 Atthe end of the run the following screen will be displayed assuming there have been no problems with the run this screen shows the Speed water and Grip number in graphical form over the length of the run Run Data Summary 13 35 13 Jun 2013 Speed ater Abandon A A r andon Haa A ad Note 7 Add Notes as aa q i 2 3 Avg GN 0 43 Max 0 77 Runlgth 4 6m Std Dey 0 18 Min 0 23
33. un 2013 Findlay Irvine OK The number of event markers is invalid Current run was in Direction amp with Chevron on right How do you want to repeat the run Please repeat the run Yes Chevron on left No Chevron on right alibration Start Survey ec System Help File Management Fig 7a Fig 7b Select Ok the user has the option to repeat the run in the same direction as just completed or in the opposite direction by selecting Yes or No from the screen shown in Fig 7b 16 Centre Line Warning When surveying the centre line the user is expected to press the event marker 3 times upon entering the landing circle in the centre and on leaving the landing circle The following confirmation message Is displayed File Zoom Tools Help 13 48 13 Jun 2013 You ve marked this as the centre line bration System Help File Management Performing the Heli deck Survey Are you sure Start 9 Position of the Pushing Handle If the pushing handle is in the stowed position remove the two locking pins rotate the handle to the pushing position and re insert the locking pins Note It is very important that when pushing the micro GripTester the pushing handle is neither fully up nor fully down It must be free to move both upwards and downwards or the load on the measuring wheel will be artificially altered Grasp
34. un without having to first set up a Survey and Run This is not normally used for heli deck testing but can be used to check the GN numbers prior to starting the survey and ensure the tyre has been scrubbed and wet before the first run Units of measurement The micro GripTester measures friction in GrjoNumber GN In heli deck mode GripNumbers equal friction u GripNumbers are widely used in road and airport surface friction measurements and standards are defined laying down minimum acceptable readings for different surface types Correlation with other measurement techniques is available Please contact Findlay Irvine Ltd for further details Wet Dry Testing Heli deck surveys must be conducted on a wet surface Where wet surveys are required the on board water control system allows a controlled depth of water to be delivered onto the measuring wheel The standard water film depth is 0 25mm Other film depths may be selected if required Heli deck surveys should not be conducted on a dry surface as this will show artificially high friction readings Survey Test Speed Surveying is carried out at a slow walking pace The measurements of friction are not particularly dependant on speed and the User may set the target test soeed for each Survey however the normal speed of 0 4 meters per second is recommended for consistency unless other test soeeds are required for specific applications During a test run a speedometer type dial will show
35. ysis On occasion the Direction A and Direction B part of the surveys may have been performed on different dates If this is the case the analysis software will only automatically detect one of the directions You will need to use the Browse button next to the appropriate direction to navigate to and select the missing direction Starting the Analysis To start the analysis click on the Analyse Data button Findlay Irvine HeliDeck Grio Number Analysis dias Helideck ACERGY Discovery X MV Direction A discovery_A 2013 04 11 Brow Settings Date 11 04 2013 MV Direction B discovery_B 2013 04 11 Brow ACERGY Discovery Date 11 Apr 2013 micro GripTester O61H Average GripNumber Outside aiming circle 0 77 Inside aiming circle 0 66 On transverse runs 0 72 On paint 0 73 0 35 0 44 0 45 0 69 0 70 gt M Direction A transverse M Direction B 1 m averaged readings Deck width 20 3 metres Deck length 16 8 metres The analysis page shows a grid representation of the helideck aligned with the helideck name comprising average grip number readings averaged over one square metre Each square on the grid is colour coded to make it easy to see the areas which comply with CAA requirements In addition several other metrics are displayed including the deck width and length as determined by the Grip Tester The Print button allows you to either obtain a printed copy of the results page or to s
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