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1. BS BS EN ISO Standards IEC Standards Codes of Practice etc shall be deemed to include all amendments revisions and standards superseding the standards listed herein which are current at the closing date of the tender of the Contract unless otherwise specified A summary of technical standards quoted in this General Specification to which the Works shall comply is listed in Annex IL A2 2 CASE OF CONFLICT The documents forming the Contract are to be taken as mutually explanatory of one another but in case of ambiguities or discrepancies the same shall be explained by the Architect who shall issue to the Contractor instructions clarifying such ambiguities or discrepancies Section A2 BRL GS Page 3 of 3 2012 Edition A3 1 A3 2 SECTION A3 EXECUTION OF WORKS THE INTERNATIONAL SYSTEM OF UNITS SD The International System of Units System International d Unites of weights and measures shall be used for all materials equipment and measurements PROGRAMME OF WORKS The Contractor shall submit to the Architect a detailed programme of the Works within 4 weeks from the acceptance of his Tender showing the intended method stages and order of work execution in coordination with the building construction programme together with the duration he estimated for each and every stage of the Works The programme shall include at least the following a Dates for the placement of orders for equipment and materials b Expec
2. requirement IEC 62305 1 2006 amp Protection against lightning B3 1 B4 2 3 relevant current parts ISO 5457 1999 Technical Product Documentation Sizes and Layout A4 3 2 of Drawing Sheets A4 4 2 ITU T G652 Characteristics of a single mode optical fibre C212 cable Annex II BRI_GS Page 2 of 2 2012 Edition Test for which Instrument can Instrument perform Low Voltage 1 Continuity of Ohmmeter Conductor 2 Polarity Insulation Insulation Resistance Resistance Test Tester Instrument TV FM Signal Strength Meter suitable for analogue and digital signals TV FM Signal Pattern Generator suitable for analogue and digital signal generation ANNEX III TESTING INSTRUMENT REQUIRED FOR ACCEPTANCE TESTS OF BROADCAST RECEPTION INSTALLATION General Testing Instrument Required for Broadcast Reception Installation Test Current Test Voltage Resolution Accuracy Min Acceptable Additional Requirements Insulation AC or DC Not less Not less than 3 V not On low scale 0 01 than 20 mA greater than 24 V DC 250 V for ELV circuits 250 V test 250 k Ohms Automatic capacitance 500 V for circuits up to 500 V test 500 k Ohms discharge facility 500 V required Capable of supplying an output current of 1mA at its nominal voltage Testing Instrument Required for Terrestrial Master Antenna Television System Frequency Bands Measuring Ranges Measuring Accuracy Calibration Period FM 87 to 108 MHZ less than 2 5 dBuV 1 year
3. 2 Monitoring Mechanism on Contractor s Performance E2 3 Follow up Action after Emergency and Fault Cases SECTION E3 INSPECTION OPERATION AND MAINTENANCE DURING MAINTENANCE REQUIREMENTS E3 1 General Maintenance Requirements E3 2 Routine Half Yearly Inspection Testing and Maintenance E3 3 Final Inspection before the End of Maintenance Period E3 4 Taking Records in Log Book SECTION E4 COMPLETION OF OUTSTANDING AND DEFECTIVE WORKS ANNEX I ABBREVIATIONS ANNEX II LIST OF TECHNICAL STANDARDS QUOTED IN THIS GENERAL SPECIFICATION ANNEX III TESTING INSTRUMENT REQUIRED FOR ACCEPTANCE TESTS OF BROADCAST RECEPTION INSTALLATION Table of Contents BRI_GS Page 6 of 6 2012 Edition A1 1 A1 2 A1 3 PART A SCOPE AND GENERAL REQUIREMENTS SECTION A1 SCOPE OF SPECIFICATION INSTALLATION TO COMPLY WITH THIS GENERAL SPECIFICATION The broadcast reception installation shall comply with this General Specification which details the intrinsic properties including materials and workmanship of the installation in so far as it is not overridden by the General Conditions of Contract Special Conditions of Contract Particular Specification for the Works Drawings and or written instructions of the Architect SCOPE OF THE WORKS This General Specification Particular Specification Tender Equipment Schedule and Drawings detail the performance requirements of the Works The Works to be carried out in accordance with this General Specifica
4. C2 BRI_GS Page 7 of 12 2012 Edition C2 5 C2 6 UHF MODULATORS The UHF modulators shall comply the following Video Input Level 1 0 3 Vpp Video Input Impedance 75 ohm Video Bandwidth 0 020 5 0 MHz Output Frequency Range 470 to 862 MHz fixed channel or channel selectable Output Impedance 75 ohm Output RF Bandwidth lt 8 MHz Output Level without integrated channel gt 80 dBuV amp with integrated channel amp gt 110 dBuV SPLITTERS TEE UNITS All splitters and tee units shall have a wide bandwidth to allow for cascaded mode of operation shall have return path and shall comply the following C2 6 1 Splitters Frequency Range 5 to 862 MHz Distribution Loss lt 8 dB Mutual Attenuation between Outputs Not less than 13 dB for splitters at all in band frequencies Impedance 75 ohm Return Loss 14 dB Input amp Output Section C2 BRI_GS Page 8 of 12 2012 Edition C2 7 C2 8 C 2 6 2 Tee Units Frequency Range 5 to 862 MHz Thru Loss lt 6dB Side Loss lt 16 5 dB Mutual Not less than 28 dB for tee units at all in Attenuation band frequencies between Outputs Impedance 75 ohm Return Loss 18dB Input amp Output COAXIAL CABLES All coaxial cables used shall be of 75 ohm type copper cables designed for transmitting 5 to 2150 MHz signals and shall have thermosetting insulated
5. CONVERTER LNB The feedhorn shall be strictly installed in accordance with manufacturer s recommendation The Contractor shall submit the manufacturer s recommended installation method to the Architect for approval within 2 months after award of the Contract The feedhorn shall be positioned in the focus point of the satellite TV antenna and adequately supported Gaskets recommended by the manufacturer shall be used between the feedhorn and the LNA LNB to avoid leakage of signal The sealant between the gaskets shall be in accordance with the manufacturer s recommendation to ensure that the waveguide is in good metal to metal contact SATELLITE RECEIVERS AND MODULATORS The satellite receivers and modulators shall be earthed in accordance with the General Specification for Electrical Installation in Government Buildings Hong Kong issued by Architectural Services Department the Government of the HKSAR Section B4 BRI_GS Page 2 of 2 2012 Edition B5 1 B5 2 SECTION B5 ANCILLARY SYSTEM CONDUITS amp CABLE TRUNKINGS The Contractor shall install the equipment cabling etc in location as indicated on the drawings accompanied with the specification All cables and wiring shall be run and terminated inside conduits trunkings and 47 mm deep IEC 60670 1 2002 box etc The Contractor shall supply and install 25 mm dia steel conduit terminating at the headend equipment cabinet in the headend equipment room to enclose th
6. Every attendance and details of work done for the installation shall be entered into the log book by the Contractor so as to form a comprehensive repair record and evidence to certify that the Contractor has accomplished the Works Section E2 BRI_GS Page 1 of 2 2012 Edition E2 3 FOLLOW UP ACTION AFTER EMERGENCY AND FAULT CASES The Contractor shall submit to the Architect or his representative the following documentation and reports at the specified intervals of time a Fault Complaint Call Report Immediately after each attendance of fault complaint a report shall be submitted to the Architect or his representative as soon as practicable but in any case not exceeding 72 hours after the receipt of fault call complaint b Equipment Breakdown Report The equipment breakdown report shall have full details of findings during investigation examination on cause of breakdown account of repair replacement work done suggested precaution and or action required to prevent the recurrence of similar incident Interim report with proposal for repair replacement work shall be submitted to the Architect or his representative within 48 hours after the receipt of breakdown call A full report shall be available immediately after the rectification of breakdown for submission to the Architect and his representative Sample format of log and system performance sheet and breakdown report shall be submitted to the Architect or his representative for
7. TV 5 to 900 MHZ less than 2 5 dBuV Output not less than 70 dBuV N A 1 year TV standards PAL I 625 lines 25 full pictures sec Annex III BRI_GS Page 1 of 3 2012 Edition TESTING INSTRUMENT REQUIRED FOR ACCEPTANCE TESTS OF BROADCAST RECEPTION INSTALLATION Testing Instrument Required for Terrestrial Master Antenna Television System TV monitor VHF UHF Multi System SAT 625 C W sound monitoring lines system loudspeaker Frequency Counter 8 digits 5 HZ to 5 MHZ time base accuracy output 5 HZ to 80 MHZ 1 count Prescaler 75 MHZ to 1 2 GHZ Testing Instrument Required for Satellite Master Antenna Television System Frequency Bands Measuring Ranges Measuring Accuracy Calibration Period TV Radio Signal Strength Meter 900 to 2150 MHZ 126 dBuV Less than 2 5 dBuV 1 year Suitable for analogue and digital signals Additional Requirements Spectrum Analyser 5 to 2150 MHZ 20 126 dBuV Less than 2 5 dBuV 010 360 North Less than 0 5 degree D to 180 degree Less than 0 5 degree 0 2 10 metres Annex M BRI _GS Page 2 of 3 2012 Edition TESTING INSTRUMENT REQUIRED FOR ACCEPTANCE TESTS OF BROADCAST RECEPTION INSTALLATION Equipment Required for Fiber Optical Cable System Fines Source eee ee N Ranges ae Accuracy Looe Period Fiber Sse Cable Fault amp Power ike aaa nm LS to 55 dBm e l 25 dB at 23 C ed year Meter 1550 nm 3 to 55 dBm 0 25 dB at 23 C Annex III BRI_GS Page 3 of 3 201
8. Works Contract or the Specialist Sub contractor s tender for the Works Specialist Sub contract or the Nominated Sub contractor s tender for the Works Nominated Sub contract as appropriate SINGULAR AND PLURAL Words importing the singular only also include the plural and vice versa where the context requires Section Al Page 2 of 2 BRIGS 2012 Edition A2 1 SECTION A2 STATUTORY OBLIGATIONS AND OTHER REGULATIONS STATUTORY OBLIGATIONS AND OTHER REQUIREMENTS The broadcast reception installation shall comply with the following A2 1 1 A 2 1 2 Statutory Obligations a b c d e f g h i Telecommunications Ordinance Chapter 106 and other subsidiary legislation made under the Ordinance Electricity Ordinance Chapter 406 and other subsidiary legislation made under the Ordinance The Specification No HKTA 1103 2000 Performance Requirements of Television Signals Input to the Head End of Subscription Television System issued by Office of the Telecommunications Authority OFTA The Specification No HKTA 1104 2007 Performance Requirements for In Building Coaxial Cable Distribution System IBCCDS issued by OFTA hereinafter referred to as the Performance Specification The Specification No HKTA 1105 2001 Technical Information for Frequency Planning of In Building Coaxial Cable Distribution System issued by OFTA The Specification No HKTA 1108 2007 Te
9. by the Building Contractor or the Nominated Sub contractor nominated by the Architect for the execution of the Works as appropriate Feedhorn A device used in the antenna of the Satellite Master Antenna Television System that collects microwave signals reflected from the surface of an antenna It is mounted at the focus of the prime focus parabolic antenna Headend Equipment connected between the receiving aerials and the remainder of the Broadcast Reception system to process the signals to be distributed The headend may for example comprise channel amplifiers channel converters combining and separating networks Particular The specifications referred to in the Contract for a particular Specification project QPSK Refer to Annex I Abbreviations Splitter A device in which the signal energy at the input port is divided equally or unequally between two or more output ports Signal Adaptor A device which modifies the input signal to achieve Set Top conformity with appropriate ITU R system without changing Box Digital the baseband characteristics for use in a cabled distribution Terrestrial system which distributes television signals not conforming to Television any ITU R system only in respect of RF structure Baseline Receivers Tee unit A device that a through output to connect a series of other Tee units in cascade and one or more user s tap for connecting to user s outlets Tender The Contractor s tender for the
10. essential unnecessary and or abortive the Contractor shall bear the full cost of such works including but not limited to any unnecessary or incorrect cutting away and making good and shall reimburse the Employer for all cost incurred in this connection Upon completion of the builder s work by the Building Contractor the Contractor shall forthwith check and examine that all builder s works so executed have been completed in accordance with his requirements If at any time it becomes apparent to the Contractor that any builder s works completed by the Building Contractor does not comply with his requirements in any respect whatsoever the Contractor shall forthwith give notice in writing to the Architect and specify in details the extents and effects of such non compliance in that notice The Contractor is deemed to have satisfied with the builder s works after a period of 14 days from the date of completion of the builder s works if the above notice is not served to the Architect within such period All additional expenditure properly incurred and all loss suffered in this connection by the Employer in having such works re executed and rectified shall be recoverable by the Employer from the Contractor Section A3 BRL GS Page 2 of 5 2012 Edition A3 4 A3 5 A3 6 COORDINATION OF CONTRACT WORKS The Contractor shall coordinate the Works with those works of the Building Contractor and any other contractors and sub contractors
11. experience for the Works The Contractor shall also refer to the Particular Specification for other specific requirements if any on site supervision Approval by the Architect shall be obtained prior to the posting of the supervisor on Site The Contractor shall immediately replace the site supervisor whose experience skill or competency is in the opinion of the Architect found to be inadequate for the particular work Section A3 BRL GS Page 3 of 5 2012 Edition A3 7 A3 8 SAMPLE BOARD Within 6 weeks of the acceptance of his Tender and prior to the commencement of Works the Contractor shall submit to the Architect for approval in a reasonable time a sample board of essential components proposed to be used in the Contract However the Contractor may request the Architect in writing for an extension of time if 6 weeks are practically insufficient Items displayed shall be deemed to be adequate for the Works unless otherwise clearly indicated Each sample with clear numbering and labeling shall be firmly fixed onto a rigid wooden or metal board A list shall also be affixed on the sample board to show the item description make and brand country of origin and locations of installation if not generally used Samples rejected by the Architect shall be replaced as soon as possible Upon approval of all items the Architect will endorse the list on the sample board and the Contractor shall deliver the board to the site office for ref
12. for the maintenance of the installed equipment Clear distinction should be made between planned tasks preventive maintenance and fault repair tasks corrective maintenance Instructions shall be given on each of the following as appropriate nature of deterioration and the defects to be looked for isolation and return to service of plant and equipment dismantling and reassembly replacement of components and assemblies dealing with hazards which may arise during maintenance adjustments calibration and testing and special tools test equipment and ancillary services Maintenance schedules Proposed maintenance schedules for all the preventive maintenance tasks identified above The schedules shall be based on both manufacturers recommendations and other authoritative sources e g statutory or mandatory requirements and should include Section A4 BRI_GS Page 7 of 10 2012 Edition A4 4 5 Q k routine servicing inspections tests and examinations adjustments calibration and overhaul The frequency of each task may be expressed as specific time intervals running hours or number of completed operations as appropriate Collectively the schedules will form a complete maintenance cycle repeated throughout the whole working life of the installation Drawing Lists A complete list of as built drawings identified with drawing number reference A complete list of man
13. installation If there is no Building Contractor all the storage facilities and spaces shall be provided by the Contractor Section A3 BRL GS Page 5 of 5 2012 Edition A4 1 A4 2 SECTION A4 DRAWINGS AND MANUALS DRAWINGS IN ELECTRONIC FORMAT The Contractor shall provide drawings in electronic format as required in the following clauses These drawings shall conform to the latest version of CAD Standard of Works Projects CSWP as posted in the website of the Works Branch Development Bureau and in accordance with the latest version of CAD Manual for Architectural Services Department Projects Should any technical conflict between the CSWP and the CAD Manual arise the CSWP shall take precedence INSTALLATION DRAWINGS A4 2 1 Drawing Submission Schedule The Contractor shall submit a detailed installation drawing submission schedule and programme to the Architect The Contractor shall allow reasonable time in the programme for vetting of the installation drawings by the Architect and for drawing resubmissions as necessary The Contractor shall submit to the Architect a comprehensive Submission Schedule of installation drawings and builder s work drawings within 2 weeks after the acceptance of Tender taking into account of the overall programme of the Works including any Specialist Works and works by the utility undertakings No equipment shall be delivered to the Site and no works shall be executed until the install
14. number of tee units in cascade shall be limited to 6 Mock up tests may be required to assess the design prior to installation if in the opinion of the Architect the cascaded chain is too long as to create unacceptable signal strength Section B3 BRI_GS Page 2 of 4 2012 Edition B3 7 B3 8 B3 9 COAXIAL CABLES The minimum bending radius of the coaxial cable during installation should be 20 times of the cable diameter and the permanent turning radius for the coaxial cable should at least be 10 times of its diameter Joints in the cable runs and looping of cables at outlet terminals shall NOT be allowed All wiring shall be properly installed and segregated in accordance with the latest edition of the Code of Practice for the Electricity Wiring Regulations issued by the Electrical amp Mechanical Services Department and the General Specification for Electrical Installation The Contractor shall install the equipment cabling etc in location as indicated on the drawings accompanied with the specification All cables and wiring shall be run and terminated inside concealed conduits trunkings and IEC 60670 1 2002 box etc If an electricity supply cable or service is to run in parallel with or cross the coaxial cable the following minimum segregation between electricity supply cables and the coaxial cable should be provided a For low voltage cables not exceeding 600V between phase and earth a minimum clearance
15. of 50mm should be given b For high voltage cables exceeding 600V between phase and earth a minimum clearance of 300mm should be given FM TV DATA TRIPLEX OUTLETS Looping of outlets to achieve the sufficient isolation shall NOT be acceptable Only isolation using splitters and tee units with isolation shall be considered FIBRE OPTICAL CABLE SYSTEM Fibre optical cable system should be provided where the length of main trunk cable without joint exceeds 200 meters The fibre optical cable in riser shall be enclosed in a galvanized iron cable trunking with space factor not exceeding 40 In any case the cable trunking should not be smaller than 50 mm x 50 mm Where the main trunk is installed underground the fibre optical cables shall be protected by minimum 100 dia galvanized iron pipes and cable draw pits Fibre optical cable amplifier shall be provided where the total attenuation loss of the optical circuit exceeds the maximum output power of the transmitter The length of fibre optical cables without joint between the optical transmitter and the fibre optical splitter shall not exceed 5000 meters and between the fibre optical splitter and the fibre optical transceiver exceeds 2000 meters The minimum bending radius of the fiber optical cable during installation should be 20 times of the cable diameter and the permanent turning radius for the fiber optical cable should at least be 10 times of its diameter Section B3 BRI_GS Pag
16. receipt of the calls and provide temporary permanent repair within 1 day from the receipt of the calls If the Contractor fails to respond promptly within the specified period the Contractor shall immediately contact the Architect or his representative and provide justification for his incapability to comply with the requirement of response The Contractor shall submit at least 2 names telephone numbers and address of their Chinese speaking engineer and technician to whom emergency calls shall be notified by telephone for any emergency and repair services Any necessary repairs shall be carried out with the most practicably expeditious means to ensure minimum interruption to the operation of the installation The Contractor shall keep a clear and legible record of all fault callouts and shall submit this record within 3 days upon request by the Architect for inspection The record shall indicate the date time of callout persons attending brief description of fault and subsequent time of clearance for each occasion The record will be returned to the Contractor after perusal by the Architect but shall subsequently be submitted to and kept by the Architect at the end of the maintenance Period during the handover inspection of the installation MONITORING MECHANISM ON CONTRACTOR S PERFORMANCE The Contractor shall be responsible for maintaining a log book at each plant room or other specific area requested by Architect or his representative
17. the building works by the Building Contractor at the expense of the Employer provided that the Contractor has submitted full details of such requirements within a reasonable time to the Architect for approval so that due consideration may be given before the Building Contractor commences the building works in accordance with the building programme in the areas concerned After obtaining the said approval of the Architect the Contractor is required to mark out at the relevant locations of the Site the exact positions and sizes of all such works and to provide detailed information of such works to the Building Contractor to facilitate him to carry out the builder s works as the works proceed All cutting away and making good as required to facilitate the Contractor s works will be carried out by the Building Contractor except for minor provisions required for the fixing of screws raw plugs redhead bolts etc which shall be carried out by the Contractor The Contractor shall mark out on Site and or supply drawings of all cutting away to the Building Contractor within a reasonable time All expenses properly incurred and losses suffered by the Employer as a result of the Contractor s failure to comply with the above requirements are recoverable by the Employer from the Contractor The Contractor shall ensure that such works are essential for the execution of the Works In the event that any of such works is proved to be non
18. with low emission of smoke and corrosive gases when affected by fire The fire performance of the insulated material with low emission of smoke and corrosive gases when affected by fire shall comply with the following requirements i Flame propagation IEC 60332 1 1 2004 ii Smoke emission IEC 61034 2 2005 and iii Acid gas emission IEC 60754 1 1994 The coaxial cables for feeder shall conform to cable designation 8 or above of IEC 60096 3 1982 and the coaxial cables for trunk feeder shall be to cable designation 6 or above of IEC 60096 3 1982 Underground coaxial cables shall be with polyethylene outer sheath copper foil outer conductor and PVC insulation The cable shall be to cable designation 6 or above of IEC 60096 3 1982 All coaxial cables shall have distinctive labels brand name along its length FM TV DATA TRIPLEX OUTLETS Outlets shall be triplex socket type for data 5 to 862 MHz signal and for FM TV 54 to 862 MHz signals complete with frequency dividing network and the respective socket shall be identified with labels embossed on the front plate The outlet shall be suitable for analogue and digital signals Section C2 BRI_GS Page 9 of 12 2012 Edition The triplex outlets shall be suitable for flush mounting on 47 mm deep IEC 60670 1 2002 amp relevant current parts box Unless otherwise specified the triplex outlets shall be white or ivory in colour The FM TV Data triplex outlet shall have a return p
19. 2 Edition
20. A TELEVISION SYSTEM C3 1 Cx C33 C3 4 C35 System Requirements The SMATV System Requirements C3 2 1 Environment Operating Requirements C3 2 2 Electrical Specification C3 2 3 Mechanical Specifications C3 2 4 Feedhorn C3 2 5 Low Noise Amplifier LNA Low Noise Block Down Converter LNB Satellite Receivers C3 3 1 RF Signal C3 3 2 Video Parameters C3 3 3 Audio Parameters Satellite Amplifier Splitter Tee Unit C3 5 1 Splitters C3 5 2 Tee Units Table of Contents BRI_GS Page 4 of 6 2012 Edition SECTION C4 ANCILLARY SYSTEM C4 1 Cable Trunking C4 2 Conduit and Accessories C4 3 Power Cable PART D INSPECTION TESTING AND CONMISSIONING DURING CONSTRUCTION PERIOD SECTION D1 GENERAL REQUIREMENT D1 1 General Requirement SECTION D2 ROUTINE INSPECTION D2 1 Inspection of Materials and Equipment Delivered to Site D2 2 Visual Inspection of Installation D2 3 Inspection and Functional Test of Installed Works SECTION D3 HANDOVER INSPECTION SECTION D4 TESTING amp COMMISSIONING D4 1 General D4 2 Testing and Commissioning Procedures Table of Contents BRI_GS Page 5 of 6 2012 Edition PART E TRAINING ATTENDANCE INSPECTION OPERATION AND MAINTENANCE _ DURING MAINTENANCE PERIOD SECTION E1 TRAINING TO USERS AND OPERATION AND MAINTENANCE AGENTS El 1 Particulars of Training Course and Training Schedule SECTION E2 EMERGENCY SERVICES AND ATTENANCE TO FAULT CALLS E2 1 Requirements on Response Time E2
21. GENERAL SPECIFICATION FOR BROADCAST RECEPTION INSTALLATION IN GOVERNMENT BUILDINGS OF THE HONG KONG SPECIAL ADMINISTRATIVE REGION 2012 EDITION ARCHITECTURAL SERVICES DEPARTMENT THE GOVERNMENT OF THE HONG KONG SPECIAL ADMINISTRATIVE REGION PREFACE This General Specification aims to lay down the technical requirements of materials and equipment the standards of workmanship the requirements on testing and commissioning as well as requirements on document submissions for Broadcast Reception installation in Government Buildings of the Hong Kong Special Administrative Region HKSAR The 2012 edition of this General Specification was developed based on its 2007 edition by the Extra Low Voltage Specialist Support Group that was established under the Building Services Branch Technical Information and Research amp Development Committee of the Architectural Services Department ArchSD This new edition comprises revisions in the corrigendum that had been issued for the 2007 edition and in addition incorporates updated international standards as well as technological developments which find applications in Hong Kong To be in line with the department s endeavour to reduce the environmental burden on our neighbours and to help preserving common resources while improving the quality of our service this new edition has continued putting emphasis on green initiatives and initiatives for enhancement of client satisfaction on comp
22. PMENT DELIVERED TO SITE Before any materials and equipment delivered to site the Contractor shall give due advanced notice of not less than three days and provide details of date time and list of items to be inspected to the Architect or his representative for approval The request for inspection shall be made together with detail descriptions of the materials equipment including but not limited to brand name model number country of origin their tested standards and record of Architect s approval for the using the materials and equipment VISUAL INSPECTION OF INSTALLATION A visual inspection shall be carried out before testing of the installation in order to verify the following a The installation has been carried out in compliance with the specified requirements b The correctness of the designation of the installation and c There is no visual damage to the installation INSPECTION AND FUNCTIONAL TEST OF INSTALLED WORKS Where tests are required to be witnessed by the Architect or his representative and site supervisory staff the Contractor shall give due advanced notice of not less than three days and provide details of date time and lists of works to be inspected and tested The Contractor shall carry out the tests and inspections as shown in the following sections and record the test results and as agreed between the Architect or his representative and the Contractor Registered or suitably qualified electri
23. TION C4 ANCILLARY SYSTEM CABLE TRUNKING Cable trunking shall be in accordance with the General Specification for Electrical Installation in Government Buildings Hong Kong issued by Architectural Services Department the Government of the HKSAR CONDUIT AND ACCESSORIES Conduit amp accessories shall be in accordance with the General Specification for Electrical Installation in Government Buildings Hong Kong issued by Architectural Services Department the Government of the HKSAR POWER CABLE Power cable shall be in accordance with the General Specification for Electrical Installation in Government Buildings Hong Kong issued by Architectural Services Department the Government of the HKSAR Section C4 BRI_GS Page 1 of 1 2012 Edition PART D INSPECTION TESTING AND COMMISSIONING DURING D1 1 CONSTRUCTION PERIOD SECTION D1 GENERAL REQUIREMENT GENERAL REQUIREMENT The purpose of Inspection Testing and Commissioning during construction is to ensure the quality of delivered material and equipment and the workmanship of the installation comply with the relevant Regulations Standards Code of Practice and requirements of the Contract and the function and performance of the systems meet the requirements specified in the Contract Inspection and testing shall be carried out on all new installations and alterations to an existing installation in accordance with the requirements of this Section At the s
24. The Contractor shall note that the Drawings supplied to him only indicate the approximate locations of the works He shall make any modification reasonably required of his programme work sequence and physical deployment of his work to suit the outcome of work coordination or as necessary and ensure that all cleaning adjustment test and control points are readily accessible while keeping the number of loops cross overs and the like to a minimum The Contractor shall pay particular attention to the building works programme and shall plan coordinate and programme his works to suit and adhere to the building works in accordance with the building programme Any significant problems encountered during the coordination work which are beyond the Contractor s control shall promptly be reported to the Architect COOPERATION WITH OTHER CONTRACTORS The Contractor shall cooperate at all times with the Building Contractor and all other contractors and sub contractors in order to achieve efficient workflow on Site Any significant problems beyond the Contractor s control shall promptly be reported to the Architect SITE SUPERVISION The Contractor shall keep on the Site a competent and technically qualified site supervisor to control supervise and manage all his Works on Site The supervisor shall be vested with suitable powers to receive instructions from the Architect The site supervisor shall be technically competent and have adequate site
25. X OUTLET SIGNAL LEVELS The r m s voltage of each carrier at the peak of the modulation envelope when measured at the user s outlet across a non inductive 75 ohm resistor or referred to 75 ohm shall be Minimum Level 60 dBuV for analogue TV Signal 30MHz to 300MHz 63 dBuV for analogue TV Signal 300MHz to 1GHz 50 dBuV for digital TV signal 470MHz to 862MHz 40 dBuV for FM signal mono 54 dBuV for FM signal stereo Maximum Level 80 dBuV for analogue TV Signal 30MHz to 300MHz 80 dBuV for analogue TV Signal 300MHz to 1GHz 74 dBuV for digital TV signal 470MHz to 862MHz 74 dBuV for FM signal mono 74 dBuV for FM signal stereo PERMISSIBLE DIFFERENT SIGNAL LEVELS IN AN OUTLET The difference in carrier levels when both TV signals are either in the VHF range or the UHF range shall not exceed the followings Frequency range Interval Maximum level difference dB 30MHz to 300MHz Entire range 12 60 MHz range 8 Adjacent channel 3 300MHz to 1 GHz Entire range 15 100 MHz range 9 Adjacent channel 3 The difference in carrier levels when one TV signal is in the VHF range and one is in the UHF range shall not exceed 15 dB If FM sound signals are present at the outlet intended for the TV signals the level of any FM signal shall be at least 3 dB lower than the lowest TV signal at the outlet The difference in level between the weakest and the strongest FM signals at the same outlet shall not exceed the followings E
26. al Installation in Government Buildings Hong Kong issued by the Architectural Services Department the Government of the HKSAR and Testing and Commissioning Procedure for Broadcast Reception Installation in Government Buildings Hong Kong issued by the Architectural Services Department the Government of the HKSAR Safety Requirements a b c d e f g h i Occupational Safety and Health Ordinance Chapter 509 and other subsidiary legislation made under the Ordinance Factories and Industrial Undertakings Ordinance Chapter 59 and other subsidiary legislation made under the Ordinance Public Health and Municipal Service Ordinance Chapter 132 and other subsidiary legislation made under the Ordinance Construction Site Safety Regulations Construction Site Safety Manual issued by the Environmental Transport and Works Bureau the Government of the HKSAR The Specification No HKTA 1101 2000 Performance and Safety Requirements for Subscription Television System issued by OFTA The Specification No HKTA 1102 2001 Radiation Limits and Measurement Methods for In Building Coaxial Cable Distribution System issued by OFTA Electrical Products Safety Regulation of the Electricity Ordinance Cap 406 and other subsidiary legistration made under the Ordinance TEC 60950 1 2005 and Section A2 BRL GS Page 2 of 3 2012 Edition Gj EN60065 2002 A2 1 4 Technical Standards
27. approval two months before completion of the installation If sample format is approved the Contractor shall provide at his own expenses all copies of log and system performance sheets and breakdown reports to be used within the Maintenance Period Section E2 BRI_GS Page 2 of 2 2012 Edition E3 1 SECTION E3 INSPECTION OPERATION AND MAINTENANCE DURING MAINTENANCE REQUIREMENTS GENERAL MAINTENANCE REQUIREMENTS During the Maintenance Period the Contractor shall supply and install without additional cost to the Employer replacements for all and any equipment or parts thereof which may in the opinion of the Architect become unserviceable especially where the causes are attributable to faulty materials workmanship or inadequate performance All inspection testing maintenance services and repairs shall be carried out generally in accordance with the manufacturers recommendation instructions and to the satisfaction of the Architect The Contractor shall despatch competent and experienced engineers and technicians equipped with the testing instruments tools equipment etc to inspect service test adjust and maintain the installation in a satisfactory operating condition The Contractor shall allow for carrying out such inspection service testing adjustment and maintenance at a time outside normal office hours including general holidays All labour and materials including cleaning materials battery electrolyte tools i
28. ath and shall comply the following Frequency Range amp Return Path Frequency 54 to 862 MHz 5 to 42 MHz Features Triplex outlets configuration one for data and two for FM TV flush mounting type complete with cover connected from tap output of tee unit Distribution Loss FM 87 tol108 MHz lt 10 dB TV amp Data 5 to 862 MHz lt 9dB Mutual Isolation Between FM TV amp Data not less than 40 dB from 5 to 862 MHz Impedance 75 ohm Section C2 BRI_GS Page 10 of 12 2012 Edition C2 9 FIBER OPTICAL TRANSMITTER The fiber optical transmitter shall be of modular design and shall comply the following Frequency 54 to 862 MHz Input Impedance 75 ohm Optical Wavelength 1310 nm 10 nm Optical Output Power 6 dBm Optical Return Loss 2 55 dB RF Input Level per Channel 60 dBuV Number of TV channels 42 Light Source LED lt 2km Laser Diode lt 40 km The fiber optical return path transmitter shall be of modular design and shall comply the following Return Path Frequency 5 to 42 MHz Input Impedance 75 ohm Optical Wavelength 1310 nm 10 nm Optical Output Power 6 dBm Optical Return Loss 2 55 dB RF Input Level per Channel 60 dBuV Light Source LED lt 2km Laser Diode lt 40 km Section C2 BRL GS Page 11 of 12 2012 Edition C2 10 FIBER OPTICAL TRANSCEIVER WITH RETURN PATH T
29. ation drawings have been approved by the Architect The Contractor shall ensure that installation drawings and builder s work drawings are progressively submitted in accordance with the approved Submission Schedule The Contractor shall provide at least 6 hard copies and one electronic copy unless otherwise specified in the Contract of the approved installation drawings to the Architect for distribution Section A4 BRI_GS Page 1 of 10 2012 Edition A4 2 2 A4 2 3 A4 2 4 A4 2 5 Size of Installation Drawings Drawings submitted by the Contractor shall only be of standard sizes from AO to A4 or B1 size as stipulated in ISO 5457 1999 Contents of Installation Drawings The Contractor shall ensure all installation drawings are accurate representation of the Works before submitting them to the Architect All installation drawings shall be fully dimensioned and suitably scaled showing construction sizes weights arrangements operating clearances and performance characteristics Installation drawings shall be dimensioned showing construction sizes weights arrangements operating clearances performance characteristics and the necessary builder s work involved Builder s Work Drawings Unless otherwise approved by the Architect the Contractor shall submit to the Architect in accordance with the approved Submission Schedule 6 copies of drawings showing details of all builder s work required e g the weigh
30. be employed for the TV and FM aerials The TV and FM signals shall not be combined in front of the channel amplifiers PREAMPLIFIERS AND FILTERS TV bandpass preamplifiers shall be used in weak TV field strength areas Similarly FM band preamplifiers shall be used in weak FM field areas Alternatively TV FM bandpass filters shall be incorporated if wideband preamplifier is used AMPLIFIERS Signal amplification within the system shall be provided with channel amplifiers at the headend for signal processing and wideband distribution amplifiers At sites where the aerial is not in direct line of sight with the transmitter the channel amplifier shall be equipped with automatic gain control circuitry Section B3 BRI_GS Page 1 of 4 2012 Edition B3 4 B3 5 B3 6 When channel amplifiers are required this shall include one channel for FM reception one channel for closed circuit TV reception two channel spacings for other paid TV receptions and the numbers of analogue channels amp digital channels required for reception of any one free TV programme channel group as required by the location of reception in accordance with the frequency plans allocated for TV and FM receptions which are announced by OFTA Only one TV channel group transmitted by any one transmitter location station shall be relayed The design levels used for the output of all amplifiers shall be 4 dB lower than their respective maximum allowable output with the excepti
31. cal workers shall be employed to conduct such tests Section D2 BRL GS Page of 1 2012 Edition SECTION D3 HANDOVER INSPECTION Before handover of any materials and equipment to the Architect or his representative the Contractor shall give due advanced notice of not less than three days and provide details of date time and list of items to be tested and commissioned to the Architect or his representative for approval The Contractor shall follow the details of the testing and commissioning procedures as shown in Section D4 Section D3 BRL GS Page of 1 2012 Edition D4 1 D4 2 SECTION D4 TESTING AND COMMISSIONING GENERAL Upon completion of the installed works the Contractor shall give due advanced notice and provide details of date time and list of testing and commissioning works to the Architect or his representative for approval The Contractor shall submit the appropriate schedule and phasing of the testing and commissioning works as agreed by the Architect or his representative Where testing and commissioning works are required to be witnessed by the Architect or his representative and site supervisory staff the Contractor shall carry out the proper testing and commissioning works before inviting them to witness the works TESTING AND COMMISSIONING PROCEDURES The Contractor shall carry out the testing and commissioning works in accordance with the Testing and Commissioning Procedure for Broadcast Reception In
32. ce illustrated in the European Standard EN 50160 2007 and if not the Contractor should state the performance of the equipment being compiled with the specification requirements The Contractor should also make reference to the international practices of voltage dip ride through capability such as Semiconductor Equipment and Materials International SEMI F47 and IEC 61000 4 11 2004 amp IEC 61000 4 34 2005 Section C1 BRI_GS Page lof 1 2012 Edition C2 1 C2 2 SECTION C2 TERRESTRIAL MASTER ANTENNA TELEVISION SYSTEM TERRESTRIAL AERIALS The terrestrial aerials shall be suitable for both analogue and digital terrestrial television and shall comply the following a b c d e f TV aerial should have a gain of at least 13 dB and a front to back ratio of at least 28 dB The aerial shall be of the type to minimize ghost image FM aerial should have a gain of at least 6 dB The impedance of the aerial should be 75 ohm unbalanced The aerial system should be provided with a durable protective coating The aerial mast should be made of stainless steel and The aerial should be capable of receiving analogue and digital signals PREAMPLIFIERS AND FILTERS The performance of the preamplifiers TV bandpass preamplifiers FM bandpass preamplifiers TV bandpass filters and FM bandpass filters shall be suitable for both analogue and digital terrestrial television and shall comply with the following C2 2 1 Preamplif
33. chnical Information for Digital Terrestrial Television Baseline Receiver Requirements issued by OFTA Fire Service Installations and Equipment Regulations Fire Services Ordinance Chapter 95 and other subsidiary legislation made under the Ordinance Waste Disposal Ordinance Chapter 354 and other subsidiary legislation made under the Ordinance and Environmental Impact Assessment Ordinance Chapter 499 and other subsidiary legislation made under the Ordinance Other Requirements a b Code of Practice for the Electricity Wiring Regulations published by Electrical and Mechanical Services Department the Government of the HKSAR Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection Testing and Maintenance of Section A2 BRL GS Page 1 of 3 2012 Edition A2 1 3 c d e f g Installations and Equipment 2005 published by Fire Services Department the Government of the HKSAR Code of Practice for the Provision of Access Facilities in Buildings for the Supply of Telecommunications and Broadcasting Services published by Office of the Telecommunications Authority Requirements and Circular Letters of the Fire Services Department the Government of the HKSAR Code of Practice for Energy Efficiency of Building Services Installations in Building issued by Electrical and Mechanical Services Department the Government of the HKSAR General Specification for Electric
34. contained in this document may not be pertinent or fully cover the extent of the installation in non government buildings and there is no intimated or implied endorsement of the sales supply and installation of the materials and equipment specified in this General Specification within the territory of the HKSAR TABLE OF CONTENTS PART A SCOPE AND GENERAL REQUIREMENTS SECTION A1 SCOPE OF SPECIFICATION Al 1 Installation to comply with this General Specification Al 2 Scope of the Works Al1 3 Terms and Definitions Al 4 Singular and Plural SECTION A2 STATUTORY OBLIGATIONS AND OTHER REGULATIONS A2 1 Statutory Obligations and Other Requirements A2 1 1 Statutory Obligations A2 1 2 Other Requirements A2 1 3 Safety Requirements A2 1 4 Technical Standards A2 2 Case of Conflict SECTION A3 EXECUTION OF WORKS A3 1 The International System of Units SI A3 2 Programme of Works A3 3 Builder s Work A3 4 Coordination of Contract Works A3 5 Cooperation with Other Contractors A3 6 Site Supervision A3 7 Sample Board A3 8 Advice of Order Placed A3 9 Record of Materials Delivery A3 10 Protection of Materials and Equipment SECTION A4 DRAWINGS AND MANUALS A4 1 Drawings in Electronic Format A4 2 Installation Drawings A4 2 1 Drawing Submission Schedule A4 2 2 Size of Installation Drawings A4 2 3 Contents of Installation Drawings A4 2 4 Builder s Work Drawings A4 2 5 Manufacturer s Shop Drawings A4 3 As built Drawings A4 3 1 Sub
35. ctor is in overall control of the Site the Building Contractor may also be required to record details of all incoming outgoing materials In this case the Contractor shall comply with the Building Contractor s arrangements PROTECTION OF MATERIALS AND EQUIPMENT Unless the responsibility is clearly defined in the Contract that the protection on Site for delivered equipment materials and installation is solely by other contractors the Contractor shall be responsible for the safe custody of all materials and equipment as stored or installed by him until finally inspected tested and accepted In addition the Contractor shall protect all work against theft fire damage or inclement weather and carefully store all materials and equipment received on Site but not yet installed in a safe and secure place unless otherwise specified All cases of theft and fire must immediately be reported to the police the Building Contractor the Architect and the Architect s representatives on Site with full details Where necessary the Contractor shall provide lockable steel container or other equally secure enclosures placed within a securely fenced in compound provided by the Building Contractor on Site for the storage of materials and equipment The Contractor shall co ordinate and arrange with the Building Contractor who shall provide clean reasonably finished and lockable secure accommodation for the storage of sensitive and or expensive items before
36. e change of at least 10 dB of the nominal input Impedance Input amp 75 ohm Output Output Frequency Convert to the frequency range within 54 Range to 862 MHz Return Loss Input 10dB amp Output Weather Proofing Indoor application Housing Modular type construction of robust and attractively designed plug in with connecting links between amplifiers outputs Fully internally metal screened Earthing on metal chasis Identification Clearly mark IN amp OUT signal sockets Accessories All necessary coaxial cable plugs and accessories Section C2 Page 6 of 12 BRLGS 2012 Edition C2 4 FREQUENCY CONVERTERS The frequency converters shall comply the following Converted Frequency Band 470 to 862 MHz Gain 20 dB Automatic Gain Control Range 20 dB Input Level 55 85 dBuV Output Level 60 dBuV Output RF Bandwidth lt 8 MHz AGC Facility gt 1 dB output variation for a full range change of at least 10 dB of the nominal input Impedance Input amp Output 75 ohm Weather Proofing Indoor application Housing Modular type construction of robust and attractively designed plug in with connecting links between amplifiers outputs Fully internally metal screened Earthing on metal chasis Identification Clearly mark IN amp OUT signal sockets Accessories All necessary coaxial cable plugs and accessories Section
37. e down leads all the way from the antenna POWER SUPPLY Power supply for the amplifier receivers shall be taken from the 13A fused spur units c w pilot light at positions as shown on the Drawings The Contractor shall be responsible for all the wiring from this location to the power supply unit amplifier etc If additional 13A fused spur units c w pilot light are required the Contractor shall be responsible for the supply and installation The Contractor shall also supply and install the automatic voltage regulators and or uninterruptible power supply where required for proper functioning of the whole Broadcast Reception system Section B5 BRL GS Page of 1 2012 Edition C1 1 PART C MATERIAL AND EQUIPMENT SPECIFICATION SECTION C1 GENERAL GENERAL REQUIREMENT All apparatus equipment materials and wiring shall be suitable for use on 220 V 6 50 Hz 2 Hz single phase a c system at the following Services Conditions a Climate Hong Kong tropical b Ambient temperature Peak 5 C to 40 C continuously 4 hours Average 0 C to 35 C over 24 hours c Altitude up to 2000 m above sea level and d Relative humidity 98 maximum It should be noted that the supply voltage may be interrupted such that its frequency or voltage value may fluctuate outside the above acceptable range It is advisable that the equipment should be able to ride through or function properly due to any unavoidable disturban
38. e 3 of 4 2012 Edition B3 10 GENERAL REQUIREMENTS OF CABLE NETWORK SYSTEMS Separate conduits ducts and trunking systems should be separately provided for the electricity power supply cables other telecommunication cables in the building and coaxial cables for broadcasting services The same should also be separately provided to fiber optical cables if any as far as possible For metal duct system including the conduits ducts pipes trunking etc they should be fully bonded and earthed Section B3 BRI_GS Page 4 of 4 2012 Edition B4 1 B4 2 SECTION B4 SATELLITE MASTER ANTENNA TELEVISION SYSTEM SMATV SYSTEM INSTALLER REQUIREMENTS The Contractor shall be a Licence holder or employ the Licence holder on the List of SMATV Licence Holders registered by the OFTA to carry out the SMATYV system installation The Contractor shall make application to the OFTA for the installation works THE SMATV SYSTEM REQUIREMENTS B4 2 1 B4 2 2 B4 2 3 Antenna Location The SMATYV System shall be installed in the location such that a It has a clear unobstructed view of the target satellite b It has no condensation in its vicinity and c It is at least 3 meters clear of fences or enclosure Support for the Dish Antenna The steel framework and mounting of the dish antenna shall be capable to withstand the loading pressure associated with sustained wind speed up to 170 km hr and gusts up to 240 km hr without any physical da
39. e frequency generated after downconversion in a satellite receiver IM Intermodulation ITU R International Telecommunication Union Radiocommunication Sector ISO International Organisation for Standardization Publications LNA LNB Low Noise Amplifier Low Noise Block Down Converter Annex I BRL GS Page 1 of 2 2012 Edition ABBREVIATIONS OFTA The Office of the Telecommunications Authority The Government of the Hong Kong Special Administrative Region PAL Phase Alteration Line A European color TV format QPSK Quarternary Phase Shift Keying RF Radio frequency S N Signal to noise SMATV The Satellite Master Antenna Television T amp C Testing amp Commissioning TV Television UHF Ultra high frequency VHF Very high frequency Annex I BRL GS Page 2 of 2 2012 Edition ANNEX II LIST OF TECHNICAL STANDARDS QUOTED IN THIS GENERAL SPECIFICATION Standard Description Part and Clause No EN 60728 1 2008 EN 60728 10 2006 EN 50160 1999 EN 60065 2002 IEC 60096 3 1982 IEC 60670 1 2002 TEC 60332 1 1 2004 IEC 60754 1 1994 TEC 60950 1 2005 TEC 61000 4 11 2004 IEC 61000 4 34 2005 Cable networks for television signals sound signals and interactive services System performance of forward paths Cable networks for television signals sound signals and interactive services System performance for return paths Voltage characteristics o
40. erence The board shall contain samples of all compact sized materials and accessories to be used in the Works Written approval of all samples and technical details shall be obtained from the Architect before commencement of any installation work In the context of this General Specification the term compact means any item that will fit into a 300 mm cube The following items shall be included in the sample board as a minimum a Copper coaxial cables b Fiber optical cables c Splitters units d Tee units e Bandpass filters and f FM TV DATA triplex outlets The Contractor shall also supply sufficient samples of materials required for testing purpose ADVICE OF ORDER PLACED The Contractor shall submit copies of all orders placed for major items of equipment and materials to the Architect for record Section A3 BRL GS Page 4 of 5 2012 Edition A3 9 A3 10 RECORD OF MATERIALS DELIVERY All materials and equipment delivered to Site shall be accurately listed and recorded in the site record books maintained by the representatives of the Architect on Site Materials and equipment delivered to Site and paid for in interim payment shall be the Employer s property Such materials and equipment shall not be removed from Site without the approval of the Architect in writing and appropriate deduction shall be made in the next interim payment in accordance with the Contract Where the Building Contra
41. f electricity supplied by public distribution systems Audio video and similar electronic apparatus Safety requirements Radio frequency cables Part 3 General requirements and tests for single unit coaxial cables for use in cabled distribution systems Boxes and enclosures for electrical accessories for household and similar fixed electrical installations Part 1 General requirements Tests on electric and optical fibre cables under fire conditions Part 1 1 Test for vertical flame propagation for a single insulated wire or cable Apparatus Test on gases evolved during combustion of materials from cables Part 1 Determination of the amount of halogen acid gas Information technology equipment Safety Part 1 General requirements Electromagnetic compatibility EMC Part 4 11 Testing and measurement techniques Voltage dips short interruptions and voltage variations immunity tests Electromagnetic compatibility EMC Part 4 34 Testing and measurement techniques Voltage dips short interruptions and voltage variations immunity tests for equipment with input current more than 16 A per phase Annex IT Page 1 of 2 B1 1 Cl1 1 A2 1 3 j C24 B3 7 B5 1 C2 8 C27 C2 7 A2 1 3 i Cl1 1 Cl1 1 BRLGS 2012 Edition Standard Description Part and Clause No IEC 61034 2 2005 Measurement of smoke density of cables burning C2 7 under defined conditions Part 2 Test procedure and
42. follow up actions as required ROUTINE HALF YEARLY INSPECTION TESTING AND MAINTENANCE The Contractor shall visit the installation at least once every 6 months to carry out tests repairs and adjustment All environmentally sensitive devices shall be inspected cleaned adjusted and calibrated A test sequence shall be carried out in accordance with the manufacturer s instructions FINAL INSPECTION BEFORE THE END OF MAINTENANCE PERIOD At the final inspection the Contractor shall in addition to the routine half yearly inspection and testing as described in Section E3 2 above adjust all the electronic equipment to the optimum state of operational efficiency All mechanical equipment and control panels shall be inspected for rusting or corrosion such that touching up or re painting shall be carried out as necessary A complete performance test of the whole installation shall be carried out and any defects in operation materials and workmanship so developed shall be rectified TAKING RECORDS IN LOG BOOK The Contractor shall have their maintenance staff completing the site installation record Log Book after each visit The log books shall be provided by the Architect and can be completed in either English or Chinese Section E3 BRI_GS Page 2 of 2 2012 Edition SECTION E4 COMPLETION OF OUTSTANDING AND DEFECTIVE WORKS After receiving the Architect s completion certificate the Contractor shall complete all outstanding works
43. ge 9 of 10 2012 Edition A4 4 6 cleaning and basic maintenance procedures f List of Statutory Periodic Inspections and Tests A schedule of periodic inspections and tests that owner and or user of the installation have to arrange to achieve compliance with the requirements stipulated in the relevant Laws of Hong Kong The frequency of such inspections and tests shall be expressed in specific time intervals g Drawings A set of selected as built drawings which shall be able to illustrate to the user the general layout of the completed installation h Photographs A set of photographs with suitable captions to illustrate to the user the appearance and locations of devices which require their setting and operation Intellectual Property Rights The Government shall become the absolute and exclusive owner of the Operation and Maintenance Manuals and the User Manual and all intellectual property rights subsisting therein free from all encumbrances In the event that the beneficial ownership of any intellectual property rights subsisting in the above Manuals are vested in anyone other than the Contractor the Contactor shall procure that the beneficial owner shall grant to the Employer a transferable non exclusive royalty free and irrevocable licence carrying the right to grant sub licences to utilize the intellectual property rights in the manuals for the purposes contemplated in the Contract For the avoidance of doubt suc
44. h purposes shall but not limited to include providing free copying of the materials in the manuals by any subsequent owner or user of the installation and or any party responsible for the operation and maintenance of the installation in connection with any subsequent alteration extension operation and maintenance of the installation Section A4 BRI_GS Page 10 of 10 2012 Edition B1 1 B1 2 B1 3 B1 4 PART B INSTALLATION METHODOLOGY SECTION B1 BROADCAST RECEPTION BR SYSTEM DESIGN GENERAL A Broadcast Reception system is designed with an aim to convey the best receivable signal at a particular site to individual users sharing the same system The BR system performance shall comply with EN 60728 1 2008 and EN 60728 10 2006 ONLY ONE BROADCAST RECEPTION SYSTEM PER SITE Only one Broadcast Reception system shall be installed at a site where a number of blocks are constructed The Broadcast Reception system shall not radiate interference exceeding the radiation limits as specified in HKTA 1102 2001 SELECTING THE GAIN OF TV AND FM AERIALS To maximize signal to noise ratio and to achieve good directivity the gain of TV and FM aerials shall be chosen to be as high as possible and in compliance with other requirements when specified in the Particular Specification for the installation SEPARATE DOWN LEADS FOR THE TV AND FM SIGNALS The TV and FM signals shall be conveyed through separate down leads to the respective ampl
45. hall be modulated to SMATV channels and shall be combined to the Broadcast Reception installation headend equipment installed in the Headend Equipment Room for distribution to FM TV Data triplex outlets THE SMATV SYSTEM REQUIREMENTS The SMATYV system shall comply with the following C3 2 1 Environmental Operating Requirements The antenna system shall comply with all performance specifications under the following special environmental conditions Rain Up to 100 mm hr Wind Survival Gusts up to 240 km hr Wind Operational Wind loading up to 170 km hr in any position of operation Atmospheric Capable to withstand salt hydrogen Conditions sulphide and corrosive contaminants Section C3 BRI_GS Page 1 of 5 2012 Edition C322 3 2 3 C3 2 4 Electrical Specification Frequency C band Ku band 3 7 to 4 2 GHz 10 75 to 12 75 GHz Wideband Antenna 38 dB 48 dB Gain Polarisation Match with the target Match with the target satellite satellite Focus Diameter lt 04 04 Ratio Beam Width lt 1 7 degrees lt 1 7 degrees Noise Temperature lt 20 dB at 60 elevation lt 20 dB at 60 elevation Mechanical Specifications Antenna Type Solid Aluminium plate Antenna Diameter Not less than 3 m Feedhorn The feedhorn should be suitable for circular and linear C band amp Ku band reception The feedhorn should be designed for use with pr
46. he fiber optical transceiver shall be of modular design and shall comply with the following Frequency amp 54 to 862 MHz Return Path Frequency 5 to 42 MHz or as specified Optical Wavelength 1310 nm 10 nm Optical Return Loss gt 55 dB RF Output Level per Channel gt 80 dBuV Return Path Loss gt 14dB Light Source LED lt 2km Laser Diode lt 40 km C2 11 FIBER OPTICAL SPLITTER The fiber optical splitter shall be of modular design and shall comply with the following Optical Wavelength 1310 nm 10 nm Optical Return Loss gt 55 dB C2 12 FIBER OPTICAL CABLE The fiber optical cable shall be flame retardant type The cable shall be single mode 1310 nm and shall be suitable for 5 to 2050 MHz applications The single mode fiber optical cable used for broadcasting services should conform to ITU T Recommendation G 652 Section C2 BRI_GS Page 12 of 12 2012 Edition C3 1 C3 2 SECTION C3 SATELLITE MASTER ANTENNA TELEVISION SYSTEM SYSTEM REQUIREMENTS The system shall enable simultaneous viewing different TV programs from the Terrestrial Master Antenna Television System as well as from satellites Signals from the Satellite Master Antenna Television System shall be fed to the satellite receivers installed in the Headend Equipment Room via necessary signal splitting equipment satellite amplifiers and cabling The video and audio signals from the satellite receivers s
47. here no such standards exist the basis used for calibration shall be documented In such cases the laboratories shall provide satisfactory evidence of correlation of results for example by participation in a suitable programme of inter laboratory comparisons or proficiency testing The entire installation shall be commissioned and tested in accordance with the latest edition of Testing and Commissioning Procedure for Broadcast Reception Installation in Government Buildings Hong Kong Special Administrative Region The Contractor shall record all data and information gathered during all inspections testing and commissioning and produce reports to the Architect within 3 weeks after the inspection testing and commissioning records shall bear the names and signature of the representatives of the Architect and maintenance agent who witness the inspections testing and commissioning Upon completion of such T amp C procedure the Contractor shall complete and sign a testing and commissioning certificate as shown in the Testing and Commissioning Procedure for Broadcast Reception Installation in Government Buildings Hong Kong Special Administrative Region The Contractor at their own expense shall rectify all defects in performance material and workmanship before the installation is accepted Section D1 BRI_GS Page 2 of 2 2012 Edition D2 1 D2 2 D2 3 SECTION D2 ROUTINE INSPECTION INSPECTION OF MATERIALS AND EQUI
48. ical Cable System B3 10 General Requirements of Cable Network Systems SECTION B4 SATELLITE MASTER ANTENNA TELEVISION SYSTEM B4 1 SMATYV System Installer Requirements B4 2 The SMATV System Requirements B4 2 1 Antenna Location B4 2 2 Support for the Dish Antenna B4 2 3 Antenna Installation B4 3 Feedhorn Low Noise Amplifier LNA Low Noise Block Down Converter LNB B4 4 Satellite Receivers and Modulators SECTION B5 ANCILLARY SYSTEM B5 1 Conduits amp Cable Trunkings B5 2 Power Supply Table of Contents BRI_GS Page 3 of 6 2012 Edition PART C MATERIAL AND EQUIPMENT SPECIFICATION SECTION C1 SECTION C2 SECTION C3 GENERAL C1 1 General Requirement TERRESTRIAL MASTER ANTENNA TELEVISION SYSTEM C2 1 C22 C23 C2 4 C25 C2 6 C27 C2 8 Cad C2 10 C2 11 C2 12 Terrestrial Aerials Preamplifiers and Filters C2 2 1 Preamplifiers C2 2 2 TV Bandpass Preamplifiers C2 2 3 FM Bandpass Preamplifiers C2 2 4 TV Bandpass Filters C2 2 5 FM Bandpass Filters Amplifiers C2 3 1 Wideband Amplifiers C2 3 2 FM Channel Amplifiers with Processor C2 3 3 TV Channel Amplifiers with Processor with Automatic Gain Control AGC Modules Frequency Converters UHF Modulators Splitters Tee Units C2 6 1 Splitters C2 6 2 Tee Units Coaxial Cables FM TV Data Triplex Outlets Fiber Optical Transmitter Fiber Optical Transceiver with Return Path Fiber Optical Splitter Fiber Optical Cable SATELLITE MASTER ANTENN
49. iers Television Standard PAL I System Frequency FM 87 to 108 MHz TV 470 to 862 MHz Gain 20 dB Input Split input configuration Output Level 90 dBuV Noise Figure lt 5 5 dB Impedance Input amp 75 ohms Output Housing Weatherproof housing suitable for outdoor mounting Section C2 BRI_GS Page 1 of 12 2012 Edition C222 C223 TV Bandpass Preamplifiers Frequency Range Within CH 21 CH 62 Passband Select the frequency range to suit the analogue receptions amp digital receptions required for any one free TV programme channel group as required by the location of reception in accordance with the frequency plans allocated for TV and FM receptions by OFTA Gain within 20 dB passband Input Split input configuration Output Level 90 dBuV Noise figure lt 5 5 dB Impedance Input amp 75 ohm Output Housing Weatherproof housing suitable for outdoor mounting FM Bandpass Preamplifiers Frequency Range 87 tol08 MHz Gain 20 dB Input Split input configuration Output Level 90 dBuV Noise figure lt 5 5 dB Impedance 75 ohm input amp output Housing suitable Weatherproof housing suitable for outdoor mounting Section C2 Page 2 of 12 BRI_GS 2012 Edition C2 2 4 TV Bandpass Filters Frequency Range Within CH 21 CH 62 Passband Select the frequenc
50. ifiers in the headend circuit for amplification Section B1 BRI_GS Page 1 of 2 2012 Edition B1 5 B1 6 B1 7 B1 8 B1 9 SELECTION OF AMPLIFIERS For systems design which involves the use of amplifiers in the headend to drive the TV channel amplifiers and or FM channel amplifier the first amplifiers to be used for the TV and or FM signal path shall be a TV bandpass preamplifier and or a FM band preamplifier respectively Alternatively a TV bandpass filter shall be used for the TV signal path and shall be connected to the input of the first wideband amplifier notwithstanding that it is a preamplifier or a distribution amplifier Such design practice shall ensure that the amplifiers of the system shall not be overloaded by strong out of band signals LOSS ALLOWANCE A 3 dB attenuation factor shall be included in the calculation of system level to account for practical installation losses such as cable joints ENCLOSURE OF HEADEND CIRCUIT COMPONENTS The headend circuit components shall be enclosed in a well ventilated enclosure fitted with lock The equipment shall be adequately screened from radio interference caused by lift equipment starters etc The case shall be properly secured against the wall and have sufficient space for cable routing and bending COMPATIBILITY FOR THE DISTRIBUTION OF DIGITAL TELEVISION SIGNALS The system shall include all equipment and accessories necessary for the successful connection to the sig
51. iginals of Work Completion Certificate Form No BS GN 69 Safety Precautions for Operation and Maintenance State where applicable hazard warnings and safety precautions of which the operation and maintenance staff need to be aware mandatory requirements relating to safety e known hazards against which protection measures shall be taken and known features or operational characteristics of the installed equipment or systems which may cause hazard and the related safety precautions Section A4 BRI_GS Page 6 of 10 2012 Edition g h Operation Instructions Instructions for the safe and efficient operation under both normal and emergency conditions of the installed system which shall comprise an outline of the operating mode control logic and data sequence effect limits of capability modes and set points procedures and sequences for start up and shut down interlocks between equipment system e calling on of stand by equipment precautions necessary to overcome known hazards means by which any potentially hazardous equipment can be made safe e estimation of energy consumption and energy costs forms for recording plant running hours energy consumption and energy costs and operating data such as running current operating pressure operating flow rates etc Maintenance Maintenance instructions Manufacturers and the Contractor s recommendations and instructions
52. ime focus reflector received signals of different polarization modes Polarizers shall be provided for selection of the The technical specifications of the feedhorns including the polarizers are as follows Frequency C band Ku band 3 7 to 4 2 GHz 10 75 to 12 75 GHz Focus Diameter 0 33 to 0 45 0 33 to 0 45 Ratio Polarization Circular and linear Circular and linear Cross Polarity 25 dB 25 dB Isolation VSWR lt 14 1 lt 14 1 Section C3 BRL GS Page 2 of 5 2012 Edition C3 2 5 Low Noise Amplifier LNA Low Noise Block Down Converter LNB Input Frequency C band Ku band 3 7 to 4 2 GHz 10 75 to 12 75 GHz Minimum Input lt 100 dBm lt 100 dBm Level Gain 2 55 dB 2 55 dB Input VSWR lt 2 5 1 lt 2 5 1 Image Rejection 40 dB 40 dB Ratio Output Frequency 950 2050 MHz 950 2050 MHz Output VSWR lt 1 5 1 NG 1 C3 3 SATELLITE RECEIVERS The satellite receivers shall be multi system compatible and shall comply the following C3 3 1 REF Signal Input frequency 950 2050 MHz Input signal level 60 dBm to 30 dBm IF bandwidth 18 MHz 27 MHz FM threshold 8 dB C N C3 3 2 Video Parameters Video de emphasis ITU R 405 1 525 625 lines Video frequency response 3 dB at 20 Hz to 5 MHz Video output level 1 Volt peak to peak 75 ohm Baseband de emphasis Flat Sec
53. installation The User Manual seeks to give users of the completed installation an overview of the essential information of the installation The contents of the manual should be concise and succinct for ease of comprehension by people with a non technical background Presentation All manuals shall be written in English unless otherwise specified The text of descriptive parts shall be kept concise while at the same time ensure completeness Diagrammatic materials shall also be supported by comprehensive descriptions The manuals shall comprise A4 size loose leaf where necessary A3 size folded loose leaf The loose leaves shall be of good quality paper that is sufficiently opaque to avoid show through Unless otherwise specified in the Contract the manuals shall be bound in durable loose leaf four ring binders with hard covers The manuals shall have labels or lettering on the front cover and spine The Architect s approval shall be obtained on this at the draft manual stage The eelctronic copy of manuals including the technical literatures shall be in PDF format readable by Acrobat Reader Freeware Section A4 BRI_GS Page 4 of 10 2012 Edition A4 4 3 A4 4 4 Checking and Approval The Contractor shall submit 3 sets of the first draft of O amp M Manuals together with a list of recommended spare parts for one year s operation and a list of special tools both complete with prices to the Architect for comment within 28 da
54. leted projects With the benefit of information technology electronic version of this new edition is to be viewed on and free for download from the Architectural Services Department ArchSD Internet homepage As part of the Government s efforts to limit paper consumption hard copies of this General Specification will not be put up for sale The draft of this edition has been circulated to stakeholders within and external to the Government before finalization Nevertheless the Architectural Services Department welcomes comments on its contents at anytime since the updating of this General Specification is a continuous process for the inclusion of any developments that can help meeting the needs of our community DISCLAIMER This General Specification is solely compiled for a broadcast reception installation carried out for or on behalf of the ArchSD in Government buildings of the HKSAR There are no representations either expressed or implied as to the suitability of this General Specification for purposes other than that stated above Users who choose to adopt this General Specification for their works are responsible for making their own assessments and judgment of all information contained here The ArchSD does not accept any liability and responsibility for any special indirect or consequential loss or damage whatsoever arising out of or in connection with the use of this General Specification or reliance placed on it The materials
55. listed thereon and rectify any defects that have occurred up to that time The defect completion schedule shall be approved by the Architect Section E4 BRI_GS Page of 1 2012 Edition ANNEX I ABBREVIATIONS AGC Automatic gain control ArchSD The Architectural Services Department The Government of the Hong Kong Special Administrative Region AZ Azimuth BR Broadcast reception BS British Standards including British Standard Specifications and British Standard Codes of Practice published by the British Standards Institution BSB The Building Services Branch of the Architectural Services Department The Government of the Hong Kong Special Administrative Region BS EN European Standards adopted as British Standards BW Bandwidth CAD Computer Aided Design CEN European Standards prepared by European Committee for Electrotechnical Standardisation or European Committee for Electrotechnical Commission Publication C N Carrier to noise El Elevation EMSD The Electrical and Mechanical Services Department The Government of the Hong Kong Special Administrative Region EN European Standards FM Frequency modulation FSD The Fire Services Department The Government of the Hong Kong Special Administrative Region IEC International Electrotechnical Commission Publications TEE The Institution of Electrical Engineers U K IF Intermediate frequency A middle rang
56. mage The Contractor shall be responsible for liaison with the Builder to ensure the support structure provided by the Builder is adequate for their antenna installation and also be responsible for checking the positions of the builder s work on site where reception is at its best before any concrete work is carried out Antenna Installation The antenna shall be of heavy duty construction and be designed to be able to operate normally under a loading pressure associated with a sustained wind speed of up to 170 km hr and gusts up to 240 km hr and shall be installed in such a way that it shall not warp The antenna shall be smooth not rough or bumpy The antenna shall not twist or rock under stress Rubber grommets shall be inserted between the steel supports and the aluminum dish antenna to prevent electrolysis action Section B4 BRI_GS Page 1 of 2 2012 Edition B4 3 B4 4 Both the antenna and its supports shall be adequately earthed and protected against lightning in accordance with IEC 62305 1 2006 amp relevant current parts by mean of bonding the antenna and its supporting frames to the air termination of the lightning protection system with at least 25 mm x 3 mm copper tape or product having equivalent functions or performance The Contractor shall carry out the earth bonding The antenna and its supporting structure shall be provided with a durable protective coating FEEDHORN LOW NOISE AMPLIFIER LNA LOW NOISE BLOCK DOWN
57. mission of As built Drawings A4 3 2 Size of As built Drawings A4 3 3 Content of As built Drawings A4 3 4 Framed Drawings A4 4 Operation and Maintenance O amp M Manual and User Manual A4 4 1 General A4 4 2 Presentation Table of Contents BRI_GS Page 1 of 6 2012 Edition A4 4 3 A4 4 4 A4 4 5 A4 4 6 Checking and Approval Structure and Content of O amp M Manual Structure and Content of User Manual Intellectual Property Rights Table of Contents Page 2 of 6 BRLGS 2012 Edition PART B INSTALLATION METHODOLOGY SECTION B1 BROADCAST RECEPTION BR SYSTEM DESIGN B1 1 General B1 2 Only One Broadcast Reception System per Site B1 3 Selecting the Gain of TV and FM Aerials B1 4 Separate Down Leads for the TV and FM Signals B1 5 Selection of Amplifiers B1 6 Loss Allowance B1 7 Enclosure of Headend Circuit Components B1 8 Compatibility for the Distribution of Digital Television Signals B1 9 Identifications and Labels SECTION B2 SIGNAL LEVEL AT FM TV DATA TRIPLEX OUTLET B2 1 Signal Levels B2 2 Permissible Different Signal Levels in an Outlet B2 3 Carrier to Noise Ratio B2 4 Mutual Isolation between Outlets B2 5 System Performance with Return Path SECTION B3 TERRESTRIAL MASTER ANTENNA TELEVISION SYSTEM B3 1 Terrestrial Aerials B3 2 Preamplifiers and Filters B3 3 Amplifiers B3 4 Frequency Converters B3 5 UHF Modulators B3 6 Splitters Tee Units B3 7 Coaxial Cables B3 8 FM TV Data Triplex Outlets B3 9 Fibre Opt
58. nal adaptors set top boxes digital terrestrial television baseline receivers for the distribution of digital television signals As specified in HKTA 1104 2007 the distribution of digital television signals shall not affect or interference with other services such as telecommunications and security services The wanted and unwanted signal levels and the spurious emissions outside the 8 MHz channel bandwidth shall be controlled such that other signals and services will not be affected IDENTIFICATIONS AND LABELS Clear identification in both Chinese and English is required to denote the facilities which are installed exclusively for broadcasting services The purpose of individual trunking pipe cable tray etc should be clearly marked on their covers Clear identifications should be provided for each pair of cables at every termination connection point in the distribution boxes and other locations as necessary The Chinese translations should follow the Glossaries of Terms Commonly Used in Government Departments of CSB if applicable A label schedule for all labels notices identifications and instruction should be submitted for approval by the Architect prior to order and production Information to be included in the schedule are wording or descriptions in English and Chinese height and front type label dimensions and material Section B1 BRI_GS Page 2 of 2 2012 Edition B2 1 B2 2 SECTION B2 SIGNAL LEVEL AT FM TV DATA TRIPLE
59. nstruments etc and transportation required for carrying out routine and emergency inspection testing repair replacement and maintenance services shall be included in this Contract Any renewals or repairs necessitated by reason of negligence of the end user or misuse of the equipment by the end user or by reason of any other causes not due to the fault of the Contractor shall be carried out by the Contractor and paid for in accordance with the Contract with prior notice to the Architect The Contractor shall be responsible for all repairs necessary to maintain the installation in a safe reliable and operative condition at all times The Contractor must ensure that their servicing staff carrying out necessary repairs immediately utilising manufacturer s original replacement parts Any component taken down for services shall be reinstated within 2 hours or otherwise replaced by a spare unit at the Contractor s expenses After each routine inspection testing and maintenance service the Contractor shall furnish to the Architect within 14 days a report complete with the following details a Date and time of inspection testing and maintenance service b Persons carrying out the task c Details of inspection and maintenance service d Results of all tests performed Section E3 BRI_GS Page 1 of 2 2012 Edition E3 2 E3 3 E3 4 e Any external factors significantly affecting the service and test results and f Any
60. ntire band of 87 108 MHz lt 8 dB Adjacent channel lt 6dB The maximum level difference at any system outlet between any two distributed digital terrestrial television broadcast channels shall be 3 dB Section B2 BRI_GS Page 1 of 2 2012 Edition B2 3 B2 4 B2 5 Where adjacent channels are used the signal level of a distributed digital terrestrial TV broadcast channel shall be at least 5 dB lower than of a wanted adjacent analogue TV channel CARRIER TO NOISE RATIO At any outlet the level of any unwanted signal generated in the system in any channel shall be The carrier to noise ratio shall be not less than 43 dB for analogue TV signal 34 dB for digital TV signal 25 dB for FM signal mono 45 dB for FM signal stereo For distributing digital television signals the bit error rate BER of the signal after error correction shall be better than 3 x 10 and the modulation error ratio MER shall be not less than 30 dB MUTUAL ISOLATION BETWEEN OUTLETS To minimize the local oscillator energy from one receiver causing interference to other receivers on the same cable system the mutual isolation between outlets connected separately to a spur feeder shall not be less than 33 dB for analogue TV signal 33 dB for digital TV signal and 42 dB for FM signal SYSTEM PERFORMANCE WITH RETURN PATH With a QPSK 1 544 Mbits s injected into any system outlets the signal received at the Headend shall not be less than Carrie
61. of Maintenance Period b System Description Type s of system s and equipment installed e Design criteria design data and parameters Locations of the system and major equipment and what they serve e Description of operation and functions of the system and equipment and Section A4 BRI_GS Page 5 of 10 2012 Edition c d e f General operating conditions expected performance and energy and resources consumption where applicable List of Installed Equipment Schedule of all items of equipment and plant stating the location name model no manufacturer s serial or reference no manufacturer s design duties and data Spare Parts and Special Tools Lists List of Spare Parts supplied by Contractors Item descriptions supplied quantities model nos manufacturer s serial or reference nos and storage locations Recommended Spare Parts List and Speical Tools List Manufacturers suppliers recommendations for spare parts and special tools with item description unit rate recommended stock quantities as well as the agents for the spare parts and special tools Manufacturers Certificates Guarantees Manufacturers certificates such as factory test certificate laboratory test reports and guarantees and any others where required for the equipment and plants etc Originals of Statutory Inspection Certificate for various installations including Or
62. on of channel amplifiers equipped with automatic gain control AGC and all amplifiers following these AGC channel amplifiers The maximum allowable output is the output level at which the specification limit for unwanted signal detailed in the wideband amplifiers FM channel amplifiers and TV channel amplifiers amp AGC channel amplifiers etc can no longer be met with further increase in outputs A lockable well ventilated metal enclosure shall be installed to house all headend circuit components The case shall be properly secured against the wall and have sufficient space for cable routing and bending The headend equipment of each system shall be installed in the Telecommunication amp Broadcasting Equipment TBE Room or in the location of Headend Equipment Room as shown on the Drawings Cable routing shall be as short as possible from antennae to the channel amplifiers modulator FREQUENCY CONVERTERS Television signals shall be conveyed at the received signal frequencies If frequency conversion is required the outlet frequencies shall be in the frequencies 470 to 862 MHz for television reception UHF MODULATORS If closed circuit television system camera signals are to be included in the BR system the video signals shall be modulated to UHF range channels and combined at the headend of the system SPLITTERS TEE UNITS All splitters and tee units shall have a wide bandwidth to allow for cascaded mode of operation The maximum
63. or within 42 days from the date of submission of the Contractor s draft prints with comments The Contractor shall within a further 28 days from the date of receiving the Architect s comments on the draft as built drawings re submit to the Architect for his approval another 3 sets of the second draft prints of as built drawings with the Architect s comments incorporated This process of submission and approval shall continue until the final approval of the Architect on these as built drawing is obtained The final approved as built drawings shall be in 3 sets of hard copies and 3 sets of electronic copies These shall be submitted within 21 days from the date of final approval Each electronic copy shall be in the form of CD ROM labelled with cross reference to a printed list of files explaining the contents and purpose of each file and supplied in sturdy plastic containers The detailed requirements and the media of as built drawings set out in the Preliminaries of the Bill of Quantities or the Specification Preliminaries shall be followed as appropriate Size of As built Drawings As built drawings shall only be of standard sizes of AO Al or B1 size as stipulated in ISO 5457 1999 Content of As built Drawings The Contractor shall ensure all as built drawings are accurate representation of the Works before submitting them to the Architect The as built drawings required to be provided by the Contractor for various types of BS E am
64. p M installations shall include but not limited to the following a Building services layout plans such as ducting arrangement trunking arrangement piping arrangement etc b System schematic diagrams control diagrams and wiring diagrams c Concealed work layout plan such as concealed conduit routing etc and d Installation details and assembly drawings such as LV cubicle switchboard layout motor control cubicle layout etc Section A4 BRI_GS Page 3 of 10 2012 Edition A4 4 A4 3 4 As built drawings shall show the positions of all equipment channel amplifiers distribution amplifiers cables switchgears and all other items which have been installed As built drawings shall be submitted in the media of prints microfilms CD ROMs all as specified in the Contract Framed Drawings The Contractor shall supply and install framed drawings to the headend equipment room showing the schematic wiring diagrams tables or charts to indicate the type and composition of the system OPERATION AND MAINTENANCE O amp M MANUAL AND USER MANUAL A4 4 1 A4 4 2 General The Contractor shall provide two types of manuals to the Architect with all changes made to the installation during the course of the Contract suitably incorporated The O amp M Manual is for use by the maintenance agent of the completed installation It shall contain detailed technical information covering both operation and maintenance aspects of the
65. r to noise ratio 22 dB Amplitude response variation lt 8dB Section B2 BRI_GS Page 2 of 2 2012 Edition B3 1 B3 2 B3 3 SECTION B3 TERRESTRIAL MASTER ANTENNA TELEVISION SYSTEM TERRESTRIAL AERIALS The mast or poles and the aerials shall be of heavy duty construction and be designed to be able to operate normally under a loading pressure associated with a sustained wind speed of up to 170 km hr and gusts up to 240 km hr The Contractor shall submit detailed builder s work required within 2 months after the award of the Contract to the Builder prior to commencement of the work The Contractor shall be responsible for liaison with the Builder to ensure the support structure provided by the Builder is adequate for their aerials installation and also be responsible for checking the positions of the builder s work on site where reception is at its best before any concrete work is carried out If the FM aerial is required to be mounted on the same mast for the TV aerial the two aerials shall be separated by at least 1 8 m apart so as to achieve the minimum interference The aerial system shall be adequately earthed and protected against lightning in accordance with IEC 62305 1 2006 amp relevant current parts by mean of bonding the aerial masts or supporting frames of antenna to the air termination for the lightning protection system with at least 25 mm x 3 mm copper tape or an acceptable equivalent Separate downleads shall
66. rooms and riser ducts Brief description of the operation and functions of the systems and equipment and Listing of set points which can be adjusted by the user to suit their operation needs Schedule of Major Plant Rooms and Installed Equipment Schedule of major plant rooms and riser ducts including their locations and Schedule of major equipment and plants including their locations and serving areas Safety Precautions for Operation Any safety precautions and warnings signals that the users shall be aware of in the daily operation of the various systems and equipment in the installation including e mandatory requirements relating to safety features or operational characteristics of the installed systems or equipment which may cause hazard and the related safety precautions protective measures and safety precautions for operation and e list of warning signals and the related meanings that the user shall be aware of and the actions to be taken Operation Instructions Instructions for the safe and efficient operation under both normal and emergency conditions of the installed system which shall comprise an outline of the operating mode step by step operation instructions for systems and equipment that are to be operated by the user including at least procedures for start up and shut down means by which any potentially hazardous situation can be made safe and Section A4 BRI_GS Pa
67. s Accessories All necessary coaxial cable plug and accessories Section C2 Page 4 of 12 BRLGS 2012 Edition C2 3 2 FM Channel Amplifiers with Processor Frequency Band FM Input Frequency 87 to 108 MHz Range Gain 20 dB Automatic Gain 20 dB Control Range Noise Figure Less than 7 dB Input Level Between 40 80 dBu V Output Level 70 dBuV Output Frequency Convert to the frequency range within 87 to Range 108 MHz Impedance Input amp 75 ohms Output Return Loss Input 10dB amp Output Weather proofing Indoor application Housing Modular type construction of robust and attractively designed plug in units with connecting links between TV channel amplifier outputs Fully internally metal screened Earthing on metal chasis Identification Clearly marked IN amp OUT signal sockets Section C2 Page 5 of 12 BRLGS 2012 Edition C2 3 3 TV Channel Amplifiers with Processor and Automatic Gain Control AGC Modules The TV channel amplifiers with processor shall be suitable for working with a group of adjacent channels Television Standard PAL I System Input Frequency 470 to 862 MHz Range Gain 40 dB Automatic Gain 20 dB Control Range Input Level 55 85 dBu V Output Level 80 dBuV Noise Figure lt 9dB AGC Facility gt 1 dB output variation for a full rang
68. s prior to completion of installation for the Architect s approval The schedule shall consist of but not limited to the following requirements i Facilities and training program to ensure that the Employer s operation and maintenance staff acquire full knowledge and appreciation of all aspects of the design day to day operation breakdown and routine maintenance diagnosis and hence capable to effectively and efficiently operate and maintain the system equipment The training proposal shall be submitted at least three months prior to completion of the Contract and shall include all aspects of operation and maintenance of the plant including the use of special tools ii Details and duration of the training course s qualifications of the instructor and the qualification requirements for the trainee s iii Full details of the training syllabus Section El BRI_GS Page 1 of 1 2012 Edition E2 1 E2 2 SECTION E2 EMERGENCY SERVICES AND ATTENDANCE TO FAULT CALLS REQUIREMENTS ON RESPONSE TIME Emergency service including overtime work for minor repairs and adjustments shall be included under this Contract The Contractor shall be responsible for immediate answering of breakdown calls whether true or false and attention to such calls both during and outside the normal working hours in the shortest possible time and using the quickest means of transport In general the contractor shall attend the call within one hour from the
69. shall provide the Architect s Representative with access to inspect all equipment during any phase of the installation and shall provide all reasonable facilities for such access The Contractor shall notify the Architect of impending tests in good time usually not less than 3 working days to allow the Architect or the Architect s Representative to be present and the Contractor shall provide details of date time and type of tests to be performed Parts to be subjected to witnessed tests will not be accepted unless the relevant test results are provided and have been signed by the Architect s Representative and Contractor Section D1 BRI_GS Page 1 of 2 2012 Edition All tests at site shall be performed in the sequence required by the construction and commissioning programme The Contractor shall prepare itemised and detailed testing and commissioning schedule The schedule shall be completed by the Contractor and signed by the Architect s Representative during the tests and after signature shall be collated and presented to the Architect for approval The Contractor shall also supply calibrated instrument as detailed in Annex III The instrument shall be calibrated by laboratories accredited by the Hong Kong Laboratory Accreditation Scheme HOKLAS or other recognized accredited laboratories The calibration shall be made against certified equipment having a known valid relationship to internationally or nationally recognized standards W
70. stallation in Government Building The Contractor shall submit proposed testing and commissioning programmes testing and commissioning methods procedures and formats of test records to the Architect for approval The submission shall be submitted together with a list of major equipment with their crucial information such as brand names model numbers types capacities and locations The Contractor shall check and ensure that all related building items such as false ceiling partitions windows louvers etc that will affect proper operation of the system have been provided and ready for carrying out of the commissioning before starting commissioning works Section D4 BRI_GS Page 1 of 1 2012 Edition PARTE TRAINING ATTENDANCE INSPECTION OPERATION AND MAINTENANCE DURING MAINTENANCE PERIOD SECTION E1 TRAINING TO USERS AND OPERATION AND MAINTENANCE AGENTS E1 1 PARTICULARS OF TRAINING COURSE AND TRAINING SCHEDULE Whenever possible the training courses shall be held before or during the commissioning period and shall be in Hong Kong To reach the required depth of appreciation the principles theory and practical hand on demonstration shall be included Training for the operation and maintenance of sophisticated equipment shall be provided and arranged by the Contractor The training shall include all training facilities material and handouts etc The Contractor shall submit a Training Schedule at least two month
71. t and the load on each support of equipment Such drawings shall clearly indicate the details and positions of all openings holes trenches ducts and cutting required and construction details for plinths and equipment bases Manufacturer s Shop Drawings The manufacturer s shop drawings are drawings for equipment or plant to be manufactured by a specialist manufacturing supplier in their own workshops and places away from the Site The drawings shall show detailed construction principal dimensions weights and clearances for maintenance etc Immediately after placing of any order or at any event within 4 weeks unless otherwise approved in writing by the Architect the Contractor shall forward to the Architect for comment 4 copies of manufacturer s shop drawings indicating detailed construction principal dimensions and weights clearances for withdrawals and or cleaning etc No work shall proceed on or off Site unless drawings requiring approval are so approved in writing by the Architect Section A4 BRI_GS Page 2 of 10 2012 Edition A4 3 AS BUILT DRAWINGS A4 3 1 A4 3 2 A4 3 3 Submission of As built Drawings The Contractor shall submit 3 sets of the first draft prints of as built drawings within 28 days of the issuance of the certificate of completion to the Architect for checking The Architect after checking the above draft prints shall return one set of the marked up copies of these as built drawings to the Contract
72. tart of the Contract the Contract shall propose and obtain agreements from the Architect on the time frames for the process of verification of materials and equipment delivered on site inspection and testing of installed works The Contractor shall be responsible to submit relevant documents including testing and commissioning procedures and the testing and commissioning progress chart in the Testing and Commissioning Procedure for Broadcast Reception Installation in Government Buildings Hong Kong Special Administrative Region to the Architect about the materials equipment and installations to be inspected tested and commissioned before carrying out of the inspection tests and commissioning The Contractor shall provide all necessary specialists labour materials tools instruments and equipment and consumables for carrying out of inspections testing including analyzing the data and commissioning The entire testing and commissioning procedures shall be undertaken by the Contractor s own competent specialist or by a competent independent Commissioning Specialist nominated by and acting for the Contractor and approved by the Architect The Contractor shall dispatch competent and experienced commissioning engineers to carry out the test and commissioning of the installation Such personnel shall collaborate closely with the Architect s Representative on site who will witness the tests carried out under the Contract The Contractor
73. ted completion dates for builder s work requirements i e when work site needs to be ready c Delivery dates of equipment and materials to Site d Dates of commencement and completion of every stage of the Works in line with the building construction programme i e each floor level and or zone area e Dates of documents drawings submissions to relevant Government departments to obtain the necessary approvals f Dates of requirement of temporary facilities necessary for testing amp commissioning e g electricity supply water and town gas g Dates of completion testing and commissioning and h Short term programmes showing the detailed work schedules of coming weeks and months shall also be provided to the Architect Programmes shall be regularly updated to reflect the actual progress and to meet the Contractor s obligations under the Contract In addition detailed submission schedules for installation drawings equipment and testing and commissioning shall be submitted to the Architect for approval The formats and information to be included in the schedules shall be as required by the Architect Section A3 BRL GS Page of 5 2012 Edition A3 3 BUILDER S WORK All builder s work including pipework openings holes through building structure or partition walls trenches ducts and cutting and all plinths concrete bases supports ducts etc required for the installation will be carried out as part of
74. tion C3 BRL GS Page 3 of 5 2012 Edition C3 4 C3 5 C3 3 3 Audio Parameters Audio subcarrier tuning 4 5 to 8 8 MHz Audio response 20 Hz to 20 kHz 0 5 dB Audio de emphasis 50 us J17 Audio distortion less than 2 THD SATELLITE AMPLIFIER The satellite amplifier shall be suitable for the SMATV application The technical specification of the amplifiers receivers are as follows Input frequency 950 2050 MHz Gain 2 20 Output level at 35dB CMR 110dB Noise figure 6dB Impedance Input amp Output 75 ohm Return Loss Input amp Output 10dB SPLITTER TEE UNIT All splitter and tee unit shall have a wide bandwidth to allow for cascaded mode of operation and shall comply with the following C 3 5 1 Splitters Frequency Range 950 to 2050 MHz Distribution Loss lt 11dB Mutual Attenuation between gt 13 dB for splitters at all in band Outputs frequencies Impedance 75 ohm Return Loss Input amp 10dB Output Section C3 BRL GS Page 4 of 5 2012 Edition C 3 5 2 Tee Units Frequency Range 950 to 2050 MHz Thru Loss lt 8 5 dB Side Loss lt 20 5 dB Mutual Attenuation between gt 28 dB for tee units at all in band Outputs frequencies Impedance 75 ohm Return Loss Input amp 18dB Output Section C3 BRL GS Page 5 of 5 2012 Edition C4 1 C4 2 C4 3 SEC
75. tion shall include the whole of the design for a broadcast reception installation only installation and supply of all materials necessary to form a complete installation including any necessary tests adjustments commissioning and maintenance as prescribed and all other incidental sundry components together with the necessary labour for installing such components for the proper operation of the installation This is a Contractor s Design with no requirement for any Designer and or Independent Design Checker TERMS AND DEFINITIONS In this General Specification the following words or expressions shall have the meanings assigned to them except when the context otherwise requires Al 3 1 Terms and Definitions Architect The Architect or the Maintenance Surveyor or the Supervising Officer as defined in the Contract Building The Contractor employed by the Employer for the execution Contractor of the Works as defined in the Contract or the contractor separately employed by the Employer to execute the builder s work associated with the Works as appropriate Contract The Contract defined in the General Conditions of Contract for the Works or the Sub contract defined in the Specialist Sub contract for the Works or the Sub contract defined in the Nominated Sub contract for the Works as appropriate Section Al BRL GS Page 1 of 2 2012 Edition A1 4 Contractor The contractor employed by the Employer or the Specialist Sub contractor employed
76. ufacturers shop drawings with drawing number reference where applicable and A brief description of CD ROM for these drawings Technical Literatures A complete set of manufacturers literatures for all the plant and equipment installed in the system The contents of these literatures shall cover the following areas where applicable description of equipment with model numbers highlighted performance behavioural characteristics of the equipment applications suitability for use factory laboratory test reports detailed drawings circuit diagrams methods of operation and control operation instructions cleaning and maintenance requirements plants materials and space required for maintenance protective measures and safety precautions for operation and maintenance and part lists Contact addresses and telephone numbers of suppliers of major equipment Structure and Content of User Manual The detailed requirements structure and contents of the User Manual shall include where applicable the following information Section A4 BRI_GS Page 8 of 10 2012 Edition a b c d e Project Information This shall include Project title site address contract no contract title contract commencement date substantial completion date and end date of Maintenance Period System Description Type s of system s and equipment installed and their purposes e Locations of major p lant
77. y range to suit the analogue receptions amp digital receptions required for any one free TV programme channel group as required by the location of reception in accordance with the frequency plans allocated for TV and FM receptions by OFTA Loss within Not more than 5 0 dB passband Impedance Input amp 75 ohm Output C2 2 5 FM Bandpass Filters Frequency Range 87 tol08 MHz Loss within Not more than 5 0 dB passband Impedance input amp 75 ohm output C2 3 AMPLIFIERS The performances of the wideband amplifiers FM channel amplifiers and TV channel amplifiers with AGC modules shall be suitable for both analogue and digital terrestrial television and shall comply and the following Section C2 Page 3 of 12 BRLGS 2012 Edition C2 3 1 Wideband Amplifiers Television Standard PAL I System Frequency Range amp Passive Return Path 54 to 862 MHz 5 to 42 MHz Gain amp Return Path Gain 2 25 dB amp 2 10dB Output Level amp Return Path Output Level 100 dBuV amp 90dBuV Noise Figure lt 8 5 dB Nominal Impedance 75 ohms Input amp Output Return Loss Input 10 dB amp Output Housing Either internally or externally fully screened metal box complete with suitable mounting legs for vertical mounting Earthing All metal parts to be properly earthed Identification Clearly mark IN amp OUT signal socket
78. ys of the issuance of the completion certificate The Contractor shall submit 2 sets of the first draft of the User Manual to the Architect for comment at least 56 calendar days before the date of completion The Architect will check the drafts and return them to the Contractor within 42 days from the date of submission with comments necessary for a final and approved set of document The Contractor shall then make all necessary amendments to the documents and resubmit them to the Architect within 21 days from the date of receipt of comments The Contractor shall submit 3 sets of hard copies one of which shall be the original and one set of electronic copy of the final approved O amp M manuals in CD ROM within 21 days from the date of approval by the Architect The Contractor shall submit 2 sets of hard copies and one electronic copy of the final approved User Manuals in CD ROM within 21 days from the date of approval by the Architect Structure and Content of O amp M Manual The detailed requirements structure and contents of the O amp M Manual shall be as specified elsewhere in the Contract and shall include the following information under separate sections where appropriate a Project Information This shall include Project title site address contract no contract title contractor sub contractor name address contact persons and their telephone fax nos contract commencement date substantial completion date and end date

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