Fire Fighting Services

GENERAL INSTALLATION NOTES1. Regulations, Codes And Standards All works covered in this Specification shall be implemented and completed in the strict compliance with all relevant statutory regulations, by-laws and orders of the Local Authorities. Where the Local Regulations and Rules do not exist, the appropriate British Codes and Standards shall be adhered to. All fire fighting equipments and materials used shall be in full compliance to the Jabatan Bomba Malaysia, the relevant British Standards, and all other relevant Authorities having jurisdiction over the installation. On completion of the installation the sub-contractor shall certify in writing to the consultant and the Fire Authority that the installation is in full compliance with the DGFS requirements and shall take all necessary steps, including the paying of testing fees for all the equipments installed and to obtain approval of the installation from the Fire Authority. 2. Excavation Trenching And Making Good The sub-Contractor shall be entirely responsible for excavation, trenching, backfilling and making good for all work included in this Sub-contract. 3. Testing Before the issuing of the letter of acceptance by the Consulting Engineers, the installation shall be tested and adjusted in accordance with the following sub-clauses and Local ByLaws. The Sub-Contractor shall supply all materials, apparatus, instrument, water and labour required for the tests. All tests shall be carried out and certified in the presence of the Local Authority’s appointed representative and Consulting Engineer. Test results shall be submitted to the Consulting Engineer in duplicate for approval and shall include a brief description of test method and instrumentation used. a. Cold Water/Hose Reel/Sprinkler/Wet Riser Piping After each section of pipework has been completed, the joints shall be sealed and the section subject to a hydrostatic test at a pressure of 150 psi. The pressure shall be held for a period not less than one hour and should leaks become apparent, effective repair and re-testing are required. This test should be done before plastering of wall, bricking in of duct, installation of ceiling etc. GI-1 4. Painting And Identification All pipeworks, equipment, valve, etc. shall be clearly identified as specified below and subject to the approval of the Architect. a. Pipework All piping installed under the Sub-contract shall be identified in accordance with the following table and B.S.2600 ‘Colours of Building and Decorative Paints’. Nature of Pipes Mains water Electrical Conduit Pipes and other items exposed to weather Fire Fighting Pipeworks 5. Base Colour 6.071 light green 0.004 orange Aluminium Supplementary Colour 0.012 mid blue - Signal Red - Cleaning Out Of System The Sub-Contractor, at his own expense, shall use public water supply for cleaning and flushing out of all the plumbing systems that he had installed in this contract. 6. Distribution Of Water System After cleaning out, the water supply system shall be filled with public water. Sufficient chloride of lime shall be added to bring the chlorine content to 40 p.p.m. This water shall be pumped to the whole water supply system and allowed to stand for a minimum of 12 hours, before drained out completely. The water supply system shall then be refilled for operation. 7. Maintenance After the satisfactory testing, cleaning and flushing out of the water supply system, the Sub-Contractor shall put the systems under full working conditions and carry out flow tests in the presence of the Consulting Engineer or his representative. Should any portion or filling prove defective, the Sub-Contractor for a period of 12 months, from the date of issue of the letter of acceptance. Maintenance shall consists of monthly servicing of the system installed, and attending to emergency calls. All maintenance shall be strictly in accordance with manufacturer’s recommendations. At the commencement of the Maintenance Period the Sub-Contractor shall provide a log book which shall be lodged with a person nominated by the Consulting Engineer. The log book shall remain at the site and shall be used to accurately record all service calls, whether emergency or routine, setting out the work performed, the date, the duration of each visit, the repairs or adjustments carried out and GI-2 replacements made. All entries to the log book shall be made by the Sub-Contractor and witnessed by the nominee. The log book shall be handed over to the Consulting Engineer on completion of the Maintenance Period. The schedule of maintenance shall be submitted to the Consulting Engineer for approval. 8. Acceptance When the Sub-Contractor has fulfilled all testing and maintenance obligations, the Final Certificate will be issued, the final payment made and the deposit lodged, as security will be returned. The complete installation will then be taken over by the Client. Notes The Sub-Contractor is deemed to have visited and familiarizes for himself of the site condition. The openings, plinths etc. shall be provided by the Main Contractor. However, it is the responsibility of the sub-contractor to provide accurate information for all openings, plinth size required to the Main Contractor who will co-ordinate the work before casting. The sub-contractor has to ensure for himself all his openings, sleeves, underground pipework, cast-in piping are correct in size, position, outlets, level etc. Failure to ascertain this part of his job, the sub-contractor has to bear all cost incurred as result of this. This sub-contractor is responsible to patch up any opening and make good to the building surface for the installation of Mechanical and Electrical Services. GI-3 The hose reel water ways connecting the water supply to the hose shall be constructed of stainless steel or non-ferrous material such as brass.HOSE REEL SYSTEM 1. When fully coiled. Side plates of the reels shall be pressed steel and shall not exceed 750mm in diameter. bore non-kink braid rubber hose. the manufacturer's name. The design and installation of all components and the system shall comply with the current rules and requirement of the Local Fire Authority and any other relevant authorities. trademarks and year of manufacture shall be displayed. Hose guide set in suitable position shall be provided to facilitate the withdrawal of the hose with ease. HOSE REELS Hose reels shall be of the swing out type. 3. test and commission the complete hose reel system generally as shown on the drawings. The guide roller shall not be less than 25mm diameter and be constructed of a suitable non-metallic material. FIRST AID HOSE REEL SYSTEM A complete first aid hose reel system comprising of hose reels and distribution piping shall be supplied and installed as shown on the drawings. All hoses and fittings shall be suitable for a working pressure of 150 psig. rims of the side plates shall project at least 15mm above the coiled hose. On every hose reel. The nozzle assembly shall be constructed of corrosion resistant material of adequate strength and shall be finished to provide a smooth surface. GENERAL The Contractor shall supply. Threaded parts of aluminum alloy components shall be coated with grease. It shall be of approved manufacture relevant to BS 336 : 1980. The installation shall be coloured in accordance with BS 1710 : 1984. Each hose reel shall have a 30m long 25mm dia. HR-1 . The body of the waterways casting shall be machined and bearings supported by a malleable cast iron wall bracket. The minimum bursting pressure of the rubber hose shall be 600 psig. 2. install. The sides of hose reels shall be painted signal red. The core on which the hose is wound shall have a minimum diameter of 200mm. The guide shall be designed and installed such that the hose can run off in any direction from left to right. The exterior of all components shall be rounded and smooth to prevent injury during use. PUMPSETS Two electric pumpsets of the approved type shall be supplied and installed as shown in the drawings. 5.Hose reel exposed to weather shall be placed in weather proof cabinet. stainless steel impeller and stainless steel shaft. The pumps shall be capable of discharging not less than the quantity indicated on the drawings against the indicated total head. Operation in Auto-Start Mode (b) For automatic operation. turn the following controls switches to the position indicated: Electric/Diesel Pumps Main isolator Supply to pump isolator Mode selector switch - ON ON AUTO HR-2 . The switchboard shall have a controller designed to operate either in "Manual Start" or "Auto Start". circuits and cables and shall be clear perspec and reverse engraved. installed and tested to Engineers approval. Indicating instruments shall be to BS 89 : 1977. with SIRIM approved type. The cabinet shall made from mild steel with minimum thickness of 1. All meters and relays shall be fully tropicalised. furnish with epoxy powder red paint 4. Meters for panel mounting shall be of the flush pattern. Pumps materials shall be cast iron body. Motor shall be TEFC 3 phase 415 volts with Class E insulation. PUMP CONTROLS & OPERATION Switchboards shall be generally. single stage. The total head shown is to be used for tendering purposes only and the tenderers are required to carry out the necessary calculations relating to the pressure drops of the equipment and fittings selected by them and of the system piping so that each pump shall be capable of providing the necessary discharge and pressure available at each outlet.2mm. i. The pump shall be directly coupled to the electric motor. constructed. The electric pump shall be of the centrifugal constant speed. end suction type. Labels shall be provided to identify the equipment. The motor shall be rated in excess of the horse-power of the respective pump. the start switch must be released. repeat item (2) in the standby pump controller. when the pumpset starts. the diesel pump will take over automatically. The auto-manual selector switch in "AUTO" position.(c) The control system is actuated by the dropping of the water pressure in the pipeline. 1) 2) 3) 3 phase power supply indicators will illuminate. (e) Should the electric pump fail to start due to the failure or tripping of the electric motor. (d) The "pump run" indicator will illuminate on the controller when the pump is turned on. Similarly. HR-3 . (a) For manual operation. the electric pump trip or A/C failure indicator will be illuminated. (c) Should the electric pump fail to start. turn the following control switches to positions indicated: Main indicator Pumpset supply isolator Mode selection switch - ON ON MANUAL (b) Press the `start' button on the electric pump controller. Main isolator and pump supply isolator in "ON" position. System Under Normal Condition The following indicators and switches will be observed on the controller when the system is under normal working condition. (f) The operating condition of the pumpset is monitored to the fire alarm panel: Pump run/Pump trip A/C fail ii. The electric pump will cut-in once the pressure drops below the preset value. Operation in Manual Mode The controller is fitted with "Manual Start" for testing and emergency application. It is independent of the "Auto Start" control system. (d) Once the pumpset is started manually it must be reset to stop. non-contaminating and non-toxic. Covers shall be constructed of galvanised mild steel plates of 3mm thickness and supported on steel truss to meet the size of the tank and provided with manhole/s of not less than 600mm diameter clear opening unless otherwise specified and a suitable vent fitted with mosquito proof wire netting and mushroom cover and of cross-section not less than that of the inlet pipe shall be provided. TA-1 .TANKS Water storage tanks shall be of hot-dipped galvanised pressed steel sectional construction in accordance with B. For tank with 4 tiers high. Galvanising shall be B. The tank shall be supplied complete with stainless steel sensor electrode. thickness of plate shall be not less than 4. The cable system. Capacities and size shall be as indicated in the drawings. openings. the indicator will move up as the level rises. moving indicators and counterweight shall be arranged so that the scale is direct reading. The tank shall be compartmented as shown in the drawing. access ladders.S.5mm thick on all sides and bottom of tank of maximum 2 tiers high. The tanks shall be adequately braced and reinforced to prevent distortion when in operation. scale and all necessary accessories. thickness of plate shall be not less than 5mm thick on all sides and bottom of tank. the top 3 tiers for the side plate shall be not less than 5mm thick while the last tier for the side plate and bottom of tank shall be not less than 6mm thick. smaller line at 500 gallons intervals. The scales shall be carefully calibrated with large figures indicating thousands of gallons. For tank with 3 tiers high. 1564. 729 with a minimum coating of 610 g/m2. Pipe connection shall be flanged with neoprene between tank and flange to ensure a watertight seal. Jointing material shall be suitable for the conditions and shall be non-soluble. Unless otherwise specified. The tank shall be externally flanged on all sides with internal flanges on bottom sections. The steel tank shall be tested for leaks for a period of 24 hours before painting to the satisfaction of the Engineer.S. The scales shall be positioned so that the levels of the indicating pointers correspond as closely as possible to the actual levels in the tanks behind. at 1000 gallons intervals. Access ladders shall be of aluminium and shall be provided adjacent to each inlet pipe for all tanks more than 1m deep. level indicator. brass or polythene PVC. Ball valves shall be of the low pressure type and shall comply with BS 4141/1957. installed.O. 3. Valves spindles shall be adequately lubricated with graphite and all glands shall be freshly packed before installation. Ball floats may be of soldered copper. The size of the valves shall be of the same diameter as the pipe for which they are to be fitted. all valves shall be blown out to remove any foreign matter that might lodge in them. VA-1 . GENERAL All valves shall be supplied. The connection between each valve and the adjacent equipment shall be made with a union or a flange. 1. Check valve up to 50mm diameter shall conform to BS 1953 and above 50mm diameter to BS 4190. The controlling wheel must be marked with the direction the wheel is to be turned to close the valve.C. CHECK VALVES Check valves in pump discharge shall be stainless steel spring loaded. 2. for ease of dismantling.VALVES. ball float and arm. Rules and shall be fitted in accessible positions for operation and repair. Before installation. All stop valves shall be right handed and shall have indication whether it is open or shut. connected up and tested in position as generally shown on the drawings and as required for the satisfactory operation of the system. BALL VALVES Ball valves shall be supplied and fitted complete with back nuts. and applied in accordance with the relevant British Standards and the current edition of the F. M&G wafer check valve or recoil check valve. All valves shall be suitable to the working and test pressure of the system in which they are installed and shall be of approved manufacture and shall be of the same manufacture. All valves shall be constructed. GAUGES ETC. split wedge disc.32mm dia. Drains shall be connected to equipment with unions to facilities cleaning and removal.25mm dia. At the top of the bottle a taper reducing fitting shall be installed with 20mm vent pipe and air-cock fitted at low level. For pipes above 40mm dia. . and above where fitted to copper pipe shall be flanged and similar to those for steel pipework. For pipes up to and including 32mm. STRAINERS In-line Y-type strainers shall be provided and installed where shown on drawings. bottles 0. and for sizes 65mm and above shall be of the cast iron flanged type. fitted with detachable cast iron hand-wheels. ISOLATING VALVES Valves up to and including 50mm dia. shall be complete with hose unions for draining down. Automatic air vents shall be provided as necessary and shall be complete with isolating cock. Pipes for 65mm dia. VA-2 . Valves 50mm dia. pattern with non-rising spindles of high tensile steel.4. All strainers shall be of steel or bronze body type screwed for sizes up to and including 50mm dia. Pipes above 65mm dia. 6. 5. These valves shall be of the full way. 7. DRAIN COCKS Gun metal drain cocks shall be provided as necessary to ensure that all sections of the pipework and plan can be effectively drained. the bottles shall be of the same dia.5mm long shall be used. Drain cocks of 20mm dia. Sizes of drain cocks shall be as stated below:a) b) c) Pipes up to and including 50mm dia. AIR VENTS AND DRAINS Air bottles and cock shall be provided for air-venting where required. as the pipes to which they are fitted. Valves for copper pipe shall have compression type connection for sizes up to and including 40mm. shall be of gun-metal with female screwed connections where fitted to steel pipes. A removal bronze screen shall be provided and the degree of mesh size shall depend on the equipment to be protected. . The discharge from these vents shall be pipes via copper pipe of appropriate size to the nearest floor drain or drain pipe. .20mm dia. The diameter of the orifice shall not be less than 50% of the diameter of the pipe into which the plate is to be fitted. The main valve shall be a hydraulically operated. and above shall be of the flanged cast iron. 12. VIBRATING COUPLING Piping connections to all pumps and all equipment shall be by means of fabric reinforced moulded high pressure convoluted rubber connectors. adjustable spring loaded diaphragm valve designed to permit flow when the controlling pressure exceeds the spring setting. for smaller than 50mm dia. ORIFICE PLATES Orifice plates shall be fitted where necessary in order to assist hydraulically balancing a system or to meet the pump characteristic curves. cast steel or ductile iron type.8. and above shall be flanged cast iron. steel or ductile iron type. The main valve shall have a single removable seat and a renewable resilient disc. GATE VALVES Valves shall be screwed bronze for sizes up to and including 50mm dia. Rules. screwed gunmetal for sizes up to and including 50mm dia. The pilot shall be a direct acting. GLOBE VALVES Valves shall be of the globe pattern. and larger. 11. The orifice plates shall be of approved type and shall be installed in accordance with the F. connections shall be by means of high pressure hose clips and sealed with rubber plastic. Valves of 65mm dia. pilot controlled diaphragm type globe or angle valve.C. The valve stem shall be guided at both ends by a bearing in the valve cover and an integral bearing in the valve seat.O. and be bolted onto the pipe lines using flanges for 50mm dia. The fittings shall have integral rubber flanges. Valves 65mm dia. No external packing gland is permitted. RECOIL VALVES The recoil valve shall maintain a constant upstream pressure regardless of fluctuation in the demand and shall close tight when pressure reversal occurs. 9. 10. VA-3 . All pressure gauges shall be fitted with gauge cocks. ROSE STRAINER Rose strainer shall be bronze ball type securely fastened to the pipe inlet. VA-4 . 14. 15. PRESSURE SWITCHES Pressure switches shall be of the electrical operated type. The scale value of the gauges shall be of the order of 150 per cent of the maximum known pressure.13. They should be selected to suit the system installed. PRESSURE GAUGES Pressure gauges shall conform to BS 1780 and shall be of minimum 6" dial type. ceiling or equipment surface. Before being installed. all pipes shall be thoroughly cleaned. Any open ended pipe of pipe connection left overnight or for any considerable period shall be protected from the entry of duct. Before horizontal runouts are taken off from such vertical risers. All piping shall be individually supported. All pipes shall be of approved manufacture and all pipes samples to be used shall be submitted for Consulting Engineer's approval. All pipework shall be installed in accordance with the Rules and to the approval of the Local Fire Authority. Pipe joints or fittings will not be permitted within the thickness of walls floors or any other partitions. by the fixing of plastic or soft-wood plugs. air bottles shall be fitted using equal or reducing tees at the high point of the risers. In all exposed pipework installed. GENERAL The section covers the supply. All work shall be executed to the satisfaction of the Consulting Engineer and as far as possible avoiding any interference with the works of the other trades. General anchors shall also be fitted at the lower end of the vertical pipes. installation and testing of pipework as generally shown on drawings. the pipes shall be coated with one coat of primer to prevent rusting. All necessary hangers and supports for all pipework installed shall be supplied and installed by the Sub-contractor. All pipes shall be anchored as required to control the movement of pipes due to thermal changes. sand. rusts and obstruction and if necessary. etc. The anchors shall securely hold the pipe in a fixed position to resist the attempted movement due to expansion and the weight of the pipe and contents. Samples of hangers. free from scales. PV-1 .PIPEWORK 1. there shall be a clearance of approximately 50mm left between the outside of the pipe and the nearest wall. the location of these pipes anchors shall be carefully planned to make suitable allowance for temperature variations in the pipe lines without causing undue stress in the pipework and fittings. brackets and supports to be used shall be submitted for Engineer's approval. All straight vertical run of pipe more than 30m in length shall have direct pockets formed from equal tees and plugs at the low points. preferably on the side with the longest run. All fixing of pipe hangers or brackets to the building structure shall be by means of approved nylon or metal expansion plugs. columns or ceiling. PV-2 . Where vertical runs of pipes are turned at floor level to run horizontally. All hangers and supports shall be primed and finish coated with black bituminous paint to approval. Pipe hangers or brackets shall be properly isolated. Brackets or clamps may be used where pipelines run along walls. Suitable receiving holes shall be cut by approved rotary percussion electric drills to give true and accurate drillings. Hangers or support spacing shall not exceed the following:- Up to and including 40mm bore 50mm bore up to and including 80mm bore 100mm bore and above Maximum Spacing Horizontal Vertical Spacing Spacing 2m 2m 3m 4m 4m 4.Hangers and supports shall be of steel of adequate dimensions and designed to allow for expansion and contraction. where necessary to prevent vibration and noise transmission and special care shall be taken in making piping connections to pumps and all other vibrating equipment.6m from each change of direction of pipes. purpose-made collars and supports shall be provided to approval. Vertical runs of pipe shall be supported by clamps or collars suitably supported from angles or channels in turn testing on special spring supports fixed to the floor slab.5m Pipings 150mm diameter and larger shall be supported from the floors below on stands or by bracketing off columns using column clamps. Hangers for horizontal pipe runs shall allow for expansion of pipelines and shall have provision made for adjusting grade and alignment. Pipe hangers shall be placed not more than 0. Piping below 150mm diameter may be hung on hangers from the floor above. These supports shall be at least provided at each alternate floor slab and the top and bottom of each risers. They shall be split ring and adjustable type or other approved design hung on around steel rods or approved equivalent. except for sizes 100mm bore and above where they may be specially constructed from not less than 1/8 galvanised sheet steel.I. PIPE SLEEVES Pipe sleeves shall be fitted for pipes passing through floors. walls or any other partitions. the sleeves shall end 50 mm above the finished floor level. Pipe sleeves fitted in floors shall generally be 20mm above the finished floor level except in plant rooms and other areas where “Wet Floors”are excepted in these cases. Where pipes pass through fire-brick walls or other partitions. clearance between pipe and sleeve shall be tightly packed with suitable diameter asbestos rope to form a sound and fire barrier. class C to B. Pipe sleeves fitted in walls or partitions shall end flushed with the finished plaster or other surface finish.S. PV-3 . Sleeves for galvanised pipes shall be of galvanised pipe off-cuts. Generally pipe sleeves shall be one (1) nominal diameter larger than the service pipe concerned. and sleeves for copper pipes shall be similar but of brass or copper. and tightly caulked with suitable diameter asbestos rope.2. Where necessary for poured concrete fabrications. 1387. 3. the Sub-Contractor shall supply the pipe-sleeves to the Main Contractor together with the necessary information for these sleeves to be correctly positioned in the shuttering before pouring the concrete. i) First aid hose reel and wet riser pipework shall be of G. PIPE MATERIALS The types and quality of all pipework used shall comply with the following schedule unless otherwise stated on the drawings or elsewhere in the specification. ii) All sprinkler pipes shall be medium grade black steel class B pipe to B. 1387. special flanged sleeves shall be fitted to form a watertight seal.S. Where pipes pass through floor trench covers. 5. coated on both sides with the recommended jointing compound. of approved make to BS 1965 : 1963. etc. Reduction in the diameter for through-flow pipes shall be made by means of reducing sockets. On all changes of direction. on galvanised steel pipeworks shall be made by screwed connections.4. All joints on 80mm dia. STEEL PIPE JOINTINGS Screwed Connections/Welded Flange Connection All joints up to and including 65m dia. All bolts and nuts shall be of hexagonal type made from bright steel of approved manufacture to BS 28. All scale and oxide shall be removed with chisel and hammer or file. galvanised pipe fittings shall be used on galvanised pipework unless written confirmation is supplied by the Consulting Engineer. all fittings shall be of the malleable iron type but in all cases entirely suited to the working and test pressures of the current concerned. All screwed joints shall be made with teflon thread sealing tape or approved equivalent. reducers. PV-4 . In general. Appropriate mating flanges shall be used on all flanged connections. Flanges shall comply to BS 10 Table E or F where necessary. STEEL PIPE FITTINGS In all cases. All flanged joints shall be flushed and aligned and shall be made of corrugated jointing rings. elbows. Eccentric reducing socket shall be used on horizontal pipes and concentric reducing sockets for vertical pipes only. Only qualified welders shall be allowed to work. all joints on black steel pipeworks shall be made by means of screwed connections. long radius bends and sweep or “pitcher”tees shall be used. All welded joints shall comply with the relevant welding codes. All welded joints (except end to end pipework) shall be forged in one piece welding flanges. All joints to piping in pump room shall be by means of welded flanged connections. galvanised steel pipework and above shall be made by means of welded flanged connection or scred connections. SLOPE OF PIPES FOR DRAINAGE Sprinkler pipes shall be so installed that the system can be thoroughly drained. for Ordinary and Extra High Hazard Systems and not less than 40mm for Extra Light Hazard Systems.6. In the case of basement and the areas where sprinkler pipework is below the installation drain valve and in other trapped points in the system auxilliary valves of the following minimum sizes should be provided:20mm valves for pipes up to 50mm dia. With dry pipe or alternate wet and dry pipe systems range pipework should have a slope of at least 4mm in 1m and distribution pipeworks not less tahn 2mm in 1m. 25mm valves for 65mm dia. PV-5 . As far as practicable all pipes shall be arranged to drain to the intallation drain valve which should be not less than 50mm dia. pipes 32mm valves for pipes larger than 65mm dia. wingnuts and other means of fixing shall be painted at the time of installation and refinished after the final testing and commissioning is completed. Should any corrosion or signs of faulty painting technique become apparent during the maintenance period. c) All screw heads. Tarpaulins. care shall be taken in the choice of this paint in regard to its melting point and adhesive properties. PL-1 . Painting shall only be done in suitable weather and all final coatings shall be to the approval of the Owner and/or the Architect. piping. shall be provided by this Sub-Contractor. and all work exposed to view. etc.coats of high gloss finish b) All underground concealed pipework shall be painted 2 coats of bituminous paint. sheets and coverings to protect floors. conduits. PAINTING AND PROTECTION Only the best primers and paints shall be used on all equipments. switchboard. valves. hangers. fittings. etc.undercoat 2 .approved rust inhibitive primer 1 . All metallic items to be painted shall be clean. walls. Each coat of paint shall be applied by brush and when thoroughly dry. The painting shall be carried out as follows:a) All pipes where exposed in the building shall be painted as follows:1 . smoothed with suitably abrasive paper or cloth before the next coat is applied. d) All cut of galvanised steel or sheet metal works shall be prepared as mentioned above and painted 2 coats of zinc chromate paint. the Sub-Contractor shall require to remove the defective paint work or component part at his own cost and retreat and/or repaint it as directed and to the satisfaction of the Consulting Engineer.PAINTING AND LABELLING 1. free of grease and rust. whether under or finish. centers. high for pipes 2 ins. fire fighting pumproom. The size of arrow shall be 3 ins. fire console room. the first coat to be applied before erection and the second after installation.e) All manufactured items that are delivered in a painted condition. Every valve in the installation shall be provided with a 2 ins. and under and 1 1/2 ins. however. bases. high for pipes over 2 ins. long on pipes up to and including 2 ins. diameter and 6 ins. PL-2 . A schedule of paint colours to be used will be issued to the Sub-Contractor as the work progress on Site. long on pipes over 2 ins diameter. sprinklers shall not be altered in any respect nor have any type of ornamentation or coating applied except where sprinklers are used in premises where corrosive vapours are prevalent. etc. breeching inlet. Special care shall be taken with the painting of the underside of pumps. Directional arrows shall be in black on two visible sides of all pipings at each valve. Labelling shall be provided for fireman lift. fittings and long runs at 6 ft. The size of the lettering shall be to the Engineer and CIFs requirement. high stencilled letters. coated shall be prepared as mentioned above and then repainted as before. all control panels and fire console room directional route. 2. LABELLING Lettering on piping shall be painted in contrasting colours and shall be in center of bands. All items subjected to corrosive or hazardous condition shall be specially treated and painted with suitable anti-corrosive paint as recommended by the manufacturers. diameter brass tag secured to it with a chain and stamped with the service and area the valve controls. flow switches. All the isolating valves shall be painted white and complete with padlock or chain lock. f) All items that are considered liable to oil or grease splashes shall be finished painted using 2 coats of appropriate oil proof paint. These sprinklers shall have approved corrosion resistant coatings (applied by the manufacturer) or shall be coated twice with a good quality petroleum jelly. The lettering shall be in block letters with minimum dimensions of 1/2 in. A layer of bituminous material or roofing felt shall be laid on the base before the item is installed and then trimmed to size. Pumps and all duplicated equipment shall be numbered and labelled in 1 in. GENERAL The Sub-Contractor shall supply and install all sprinkler heads as shown on the drawings. SH-1 . along vehicle ramps of where otherwise specified by the Consulting Engineer sprinklers must be protected by approved metal guards. The stock shall be increased by 50 per cent where there are more than two installations. Sprinklers shall be of conventional pattern designed to produce a spherical type of discharge with a proportion of water being thrown upwards to the ceiling. lobbies. All pipework installed shall be concealed within the false ceiling space. 3. STANDARD TYPE SPRINKLERS All sprinklers shown in the areas without false ceiling shall be of the Standard Type. The sprinklers and ceiling plate shall be of satin chromium finish. SPRINKLER GUARDS Where sprinklers are liable to accidental or mechanical damaged eg. 2.SPRINKLER HEADS 1. The Sub-Contractor shall also supply to the Owner a stock of spare sprinkler heads after completion of the installation at the written instruction of the Consulting Engineer. The stock of spare sprinklers shall include 12 nos. the stock of spare sprinkler heads shall consist of 24 nos. Sprinkler shall be of approved makes and types. corridors. etc. protective guards. where there is false ceiling shall be installed pendent with plate flush to the ceiling with the heat-sensitive element below ceiling line. Sprinklers shall be designed with universal type deflector enabling the sprinkler to be erected in either the upright or pendent position. 4. CEILING (FLUSH) PATTERN SPRINKLERS All sprinklers shown in shopping areas. They shall be of standard bronze finish and shall be installed either in the upright or pendent position according to the direction of the Consulting Engineer on site. standard and flush type for Ordinary hazard. the sprinkler heads to be installed shall of high temperature type with a temperature rating of 93oC. SPRINKLER TEMPERATURE RATINGS Generally. sprinkler temperature ratings shall be 68oC and shall be colour coded according to the F. Where sprinklers are exposed to direct sunlight.5. The temperature rating of the sprinklers in each area shall be checked by the Sub-Contractor. United Kingdom.C. For kitchen and laundry rooms. the sprinkler temperature ratings shall be increased accordingly subject to the approval of the Local Fire Brigade Authority and the Consulting Engineer. 6.O. SH-2 . SPRINKLER ORIFICES Sprinkler shall have the undernoted nominal sizes as approved for the respective Hazard classes mentioned. Rules. Hazard Class Extra light only Ordinary Extra High only Nominal Size K Factor 10mm 15 mm 20 mm 57 + 5% 80 + 5% 115 + 5% The designed density of discharge for each different class of Hazard shall be as stated in the Current rules for Automatic Sprinkler Installation issued by the Loss Prevention Council. end suction type. multistage. Factory test certificate shall be submitted for approval prior to the installation of sprinkler pumpset. Means must be provided for the release of air which might become trapped in the upper part of the pump case. Each pump shall be capable of discharging not less than the flow rate specified in the current edition of the F. Rules in accordance to the classification of fire hazard against the height of Sprinkler Head. MAIN PUMPSETS The pumps shall be of the fully imported. Case-wear rings shall be of renewable type. The deliveries shall be connected to the foot of the rising main through a Y-junction piece and a back pressure valve fitted in each leg of the `Y'.PUMPING PLANTS FOR SPRINKLER SYSTEM 1. Tenderers are required to carry out the necessary calculations relating to the pressure drops of the equipment and fittings selected by capable of providing the necessary discharge and pressure available at each outlet.C. The casing shall be of the high grade close grained cast iron with integral connections.O. single stage. install. 2. The pumps shall be fitted with bronze impeller accurately machined and balanced and rigidly secured to the stainless steel shaft by means of a square key and streamlined impeller nut. Two pumpsets shall be supplied and both shall be driven by approved electric motors conforming strictly to the current FOC Rules and all other local authorities. PP-1 . All pipework including suction pipe and discharge pipes in connections with the pumps installation and water tank/s where specified on the drawings shall be included in the Sub-Contract. Tenderers shall submit manufacturer's selection charts and data at time of tendering. this must be achieved automatically where a pump operates under suction lift conditions. test and commission the pumpsets installation and other instruments that are required for the efficient operation of the complete sprinkler system. centrifugal. GENERAL The Sub-Contractor shall supply. constant speed. C.Bearings shall be of the heavy duty designs. A drain shall be provided for each pump seal and discharge to an approved location. Any switches on the power feed to the motor must be clearly labelled "Sprinkler Pump Motor Supply . Rules. the battery must be trickle charged and have a capacity sufficient to provide an alarm for 72 hours duration.C.O. Visual and audible indication of pump or pumps operation. Both pumps shall be directly driven by an approved totally enclosed fan cooled squirrel cage motor. Metal guards shall be installed over each coupling and belt driven mechanism. PP-2 . Where power is taken from battery for the warning system. The failure of any one phase of the A. The motors shall be suitable for 415 volts 3 phase 50 hertz supply and with Class `E' insulation.Not To Be Switched off in the Event of Fire". All indicator lamps shall be duplicate or twin lamps. The electrical connections shall be such that power supply is always available for the motor when the switches for the distribution of other power throughout the premises are open. Each pump shall be provided with a name plate stating the performance characteristic as specified in F. supply shall be indicated. adequately sized and effectively sealed against ingress of dust or moisture. The indicator must be in the vicinity of the pump and so placed that it can be readily seen by maintenance personnel. pump or pumps fail to operate and power or phase failure to the motor starting switch shall also be provided at the Master Indicator and alarm panel. A fall in water pressure in the sprinkler system which is intended to initiate the automatic starting of the pump shall at the same time provide a visual and audible alarm at the Master Indicator and alarm panel. Motors shall be equipped with sleeve bearings. The starting of the pump or pumps shall not cause the cancellations of the alarm. Stuffing boxes shall be fitted with four rings impregnated asbestos packing plus lantern ring for flushing. Power for the above warning systems must be taken from a separately switched sub-circuit to that feeding the pump in the case of an electric pump. In the case of compression ignition engine driven pumps the power for the warning system must not be taken from the battery which is used for automatic starting. A tell-tale indicator lamp or lamps shall be provided to show that there is a power supply available for the motor. The electrical connections shall be such that a power supply is always available for the motor when the switches for the distribution of other power throughout the premises are open.An ammeter shall be fitted to give an indicator of current and possible overload. The operation shall be governed by a pressure switch in the trunk main set to cut in the pump when the pressure reduced to a predetermined value. Intermediate chambers shall be either stainless steel or fine grained cast iron. supply shall be indicated. The failure of any one phase of the A. A tell tale indicator lamp or lamps shall be provided to show that there is a power supply available for the motor. 50 cycles supply. i) Carrying the stalled current of the motor for a period of not less than 75 percent of the period which such a current would cause the motor windings to fail.C. It shall be able to provide at the same time the necessary flow rate of 20 igpm against the necessary head when the system is operating. Any no-volt release mechanism must be of the automatic resetting type such that on restoration of the supply the motor can restart automatically. Magnetic and thermal overload trips are not allowed. The motor shall be totally enclosed fan cooled type with Class E insulation and suitable for 415 volts. PP-3 . 3 phase. High rupturing capacity fuses installed must be capable of: i) Protecting the cable connection to the motor. The suction and delivery chambers shall be of the fine grained cast iron. The bearings shall be rubber-water lubricated and designed for the duty concerned. The impellers shall be of stainless steel with steel shaft. 3. JOCKEY PUMP It shall be of the automatic vertical multi-stage pressure maintenance pump designed with a steep performance characteristic for positive cut in and cut out sequence operation. 4. PUMP OPERATION The pumps must start automatically and shall be fully operational within 30 seconds after starting. The automatic starting device for duty and standby pumps shall be of an approved pattern and set to operate when the pressure in the trunk main has fallen to a value not less than 80 percent of the pressure in the trunk main when the pump is churning. The first automatic starting device shall bring the duty pumpset into operation and if due to electrical or mechanical failure, the duty pumpset fails to function satisfactorily the pressure in the trunk main shall continue to fall. The second automatic starting device, set to operate at a lower pressure than the first device, shall then bring the standby pumpset into operation. A manual changeover switch shall also be provided. Means shall also be provided for manual starting by reducing the pressure. Once started, the standby pump must run continuously until stopped manually. The jockey (make-up) pump installed shall operate before the main pumps to maintain the system pressure against any small losses and shall be able to provide at the same time the necessary flow rate of 30 igpm against the necessary head. PP-4 ELECTRICAL DETAILS 1. GENERAL The sub-contractor shall supply, deliver, install and set into operation all motors, switchboards, switchgears, control systems and all other necessary equipments and materials that are required for the efficient and economic operation of the complete Fire Fighting System together with all incidental work pertaining thereto even though not specifically mentioned herein or shown on the drawings. All electrical work and workmanship on materials covered by this section shall conform to the best principles of modern engineering practice and be of first grade quality as to design, manufacture and installation. 2. PUMPING PLANT SWITCHBOARDS The switchboards shall be of the self-contained, extensible, wall-mounting and flush fronted metal cubicle type. It shall house contactors, starters, relays, fused switches, selectors and isolating switches, fuse distribution boards, meters, busbars, indicating lamp and switch and all other necessary items of equipment whether specified hereinafter or not. The switchboards shall be suitable for operating on a 415 volts 3 phase, 50 cycles supply system operating with solidly earthed neutral. Each cubicle framework shall be fabricated from rolled steel angle sections and shall be of rigid construction with all joints welded and ground. They shall be of standard size uniform in height and depth from front to back. The door, side panels, and cubicle roof shall be constructed from not less than No. 12 s.w.g. steel sheet with turned edges to the front panels and so formed as to provide a neat appearance. The front top and back of all cubicles shall be finished as specified with end plates and heads of any external fixing bolts or set screws similarly finished except those steel parts normally left bright which shall be cadmium plated and operating parts finished semi-gloss black. The doors shall be provided with a car type lockable handle and of such construction that the door cannot be opened unless the isolator switch or handle is first turned to the OFF position thereby cutting off the electric power supply to the electrical mechanism inside the cubicle switchboards. To ensure dust-proof locking arrangements, felt rubber insert gaskets shall be incorporated in the frames of the switchboards. The doors shall be fitted on the inside with shelves for storing of spare cartridge fuses and contactors and electrical circuit diagram. EL-1 All incoming and outgoing circuits and wiring shall be brought to the contactors, starters, relays and controllers via insulated terminal strips mounted within the cubicle. All wiring between terminal strips and electrical equipment inside the control panel shall be neatly run and taped in accordance with the requirements of IEE. All secondary wiring shall be of not less than 1.5mm2 section insulated with PVC and shall be fixed securely without strain by cleats of the compression type. For the purpose of identification, different insulation colour shall be provided to distinguish the various circuits and each connection shall terminate at an approved type of terminal block placed in an easily accessible position for testing at site with coded ferrules of an approved type at both ends of each conductor. No connectors or soldered joints shall be permitted in the wiring. The wiring shall be formed in a neat and systematic manner, with cables supported clear of panels and without crossovers. Bushes shall be provided as necessary to prevent chafting of cables. Meter panels shall be hinged to provide ready access to connections and small wiring shall be enclosed in flexible plastic conduit. All meters and relays shall be fully tropicalised. All terminals shall be completely insulated and potential circuits shall be suitably fused. All cubicles shall be appropriately labelled to indicate the service. Labels shall also be provided to identify all items of equipment, circuits, cable and where applicable current rating of fuses and setting of relays. Labels on the exterior of equipment shall be clear perspex, reverse engraved, filled flush with black (or red and suitable) filling and the back painted the same colour as the equipment. Labels shall be attached by means of machine screws and nuts or machine screws driven into drilled and tapped holes. Prior to despatch from the manufacturers works all metal work shall be thoroughly cleaned and degreased and treated with a rust-inhibiting primer, followed by at least two coats of durable good quality, oil and weather resistant paint, finished grey to colour 631 of B.S. 381C. All painting shall be made good at site prior to commissioning. All wiring shall be carried out with PVC cables in fabricated conduits and shall be run strictly in accordance with the requirements of IEE regulation and local authority with jurisdiction over the installation. All cables in which links or abrasions occur shall be rejected and shall be replaced by the Sub-contractor at his own expense. All cables shall be of approved manufacture and shall be of distinguishing colours for their specified applications. Bending radius of cables shall be not less than eight times the overall cable diameter. The cables shall be terminated at a brass junction box near the motor or equipment terminal block and at earth bar inside the switchboard. The connection between the junction box and equipment or motors shall be made by PVC cables and PVC heavy duty flexible conduit fitted with approved brass screw type flexible conduit couplings. Cables from above 6mm2 shall be terminated with a lug type of grip cables sockets of approved manufacture. EL-2 in exposed positions or partly run in conduit and continued concealed directly in plaster or run on the surface of walls and ceilings. or are buried in the ground they shall be made completely water tight by treating all joints with red lead. PVC cables shall be installed in rigid conduits fixed to walls. EL-3 . 24E62 Part 2.M. 2757.S. and together with conduit.R. lead washers and smooth bore bush. ELECTRIC MOTORS Electric motors shall be of 3 phase 415 volts 50 cycles supply for 1 H. may be of 1 phase 240 volt 50 cycle supply. 3. fittings shall comply with B. Conduit terminations to loop in boxes shall consist of a screwed socket and smooth bore bush.S. PVC insulated and sheathed type must be used. Conduits bearing traces of rust or damage shall not be used. Adequate precautions shall be taken to prevent the ingress of moisture. Conduits shall be of Class `B' medium gauge. but to adaptable boxes. Motors shall be continuously rated (C. Where conduits are exposed to damp situations. etc. Motors shall be of the totally enclosed fan cooled type to B. ceiling or buried in the ground. metalworks. 2757 with Class `E' insulation to B.S. screwed steel type. PVC insulated cables may be used where cables are installed in conduit or trunking.S> 31 : 14E40.S. the total number of which must not exceed the number set out in Table B. All conduits and fittings shall be galvanised and the water or gas pipe shall be prohibited.5M of the current edition of the IEE Regulations. and above and for motors of less than 1 H. No conduit shall be less than 20mm.P.S. All motors shall be in accordance with B. All motors shall be adequately earthed to meet the requirements of IEE regulation. in outside diameter. Conduits shall be of sufficiently large sections and so arranged with draw-in bones to allow for either an easy draw in or out of one or all of the cables.S.P. 2004 : 14E61. All conduits shall be mechanically and electrically continuous throughout and shall be efficiently earthed with heavy copper wire or tape and screw-on clips. fuseboards. category of B. 2613 and B.S. but where cables are installed in plaster. 2613) and shall have torque characteristics as required by their respective duties. The sleeve shall be effectively sealed with bitumen after the cables have been inserted.S. termination shall consist of a flanged coupling. Polyvinyl chloride (PVC) cables shall be of the 440/250V grade and manufactured to B.A steel sleeve shall be provided where MICC cable passes through a concrete floor and shall extend at least 7 inches above the floor to afford mechanical protection to the cable. Where remote control is required. Heaters shall generally be located at the bottom of the cubicle with the thermostat at the top. The heater terminal at the motor and starter shall be clearly labelled. and connected such that the power supply can be cut off from the motors and from the regularly switch resistances or other devices connected to it. EL-4 . All starter cubicles shall be fitted with thermostatically controlled heats to maintain the temperature within the cubicle above dewpoint. discharge resistors and all wiring and connections. Motors arranged for remote control shall be provided with a similar cut-off switch or switches fitted at the motor positions. The supply to each motor shall be controlled by means of an efficient cut-off switch placed in such a position as to be easily handled by the person in charge of the motors. in size to 0. The rating of motors shall be such that they will not be over loaded at any points within the range of operation of the equipment connected and shall be of adequate rating and starting characteristics to allow equipment to be brought up to speed on starting in reasonable time.Alive When Motor Stopped".S. starters shall be contactor type with coils wound for 240 volts 50 cycles supply. Bearing shall be of ball or roller sleeve type as applicable.85 lagging or better at all loads. The capacitors shall be installed adjacent to the motors and complete with necessary protection fuses. Terminal boxes with gasket cover shall be provided suitable for reception of screwed conduit entry or MICC cable as required.Motor Heater .P. "Caution .Motor starters shall be in accordance with B. 587. Power factor correction capacitors shall be provided as required to correct the power factor for all motors over 2 H. Base shall be large enough to support the first pipe elbows. SPRINKLER PUMPSETS Unless otherwise stated. all sprinkler pumpsets shall be mounted on an integral welded base frame of minimum 150mm high steel channels with spring mountings supporting the base on out-riggers similar to ‘Mason’frames.VIBRATION AND NOISE ISOLATION 1. VN-1 . 3. ‘Kinetics’or approved equivalent and shall be free standing and laterally stable without any housing and complete with 8mm to 10mm neoprene acoustical friction pads between the base plate and the support. The vibration hangers shall contain a steel spring and 0. ‘Kinetics’frames or approved equivalent. Spring diameters shall be no less than 0. The spring static deflection shall be as recommended by the Manufacturer. The minimum clearance between the base frame and the floor or plinth is to be 100mm. 2. The base frame and spring mountings are to be mounted on a minimum 100mm. All mountings shall have levelling bolts that must be rigidly bolted to the equipment.8 of the compressed height of the spring at rated load. test and commission all the vibration and noise isolation materials as specified hereinafter. Spring mountings shall be similar to ‘Mason’. Springs shall have a minimum additional travel to solid equal to 50% of the rated deflection. Details shall be submitted for the Consultant’s approval. install.3m deflection neoprene element in series. high plinth or foot pads. PIPEWORKS The first three pipe hangers in the main lines in the pump room shall be similar to Mason Type PC30N or approved equivalent. GENERAL The Sub-Contractor shall supply. as near to the main stop valve as possible.C. a) Main Stop Valve Main stop valve when closed shall shut off all supply of water to the installation. an alarm check valve (wet pipe) and a water motor alarm and gong. test and commission the Fire Fighting Sprinkler Control Valves installation and other instruments that are required for the efficient operation of the complete Fire Fighting Sprinkler System. bearing the words in raised letter "Sprinkler Stop Valve". GENERAL The Sub-Contractor shall supply. Two automatic main pumpsets. a location plate shall be fixed on the outside of an external wall.O. In addition.C. SC-1 . A plan showing the position of the main stop valve or valves clearly indicated thereon shall be placed within the building where it can be readily seen by firemen or others responding to the alarm. INSTALLATION CONTROL VALVES Each installation shall be provided with a set of installation control valves comprising of a main stop valve. each of which is capable of providing independently the necessary pressures and flows for the respective hazard class are being installed to draw water from the suction tank/s under positive head conditions. The water pressure and flow conditions at the installation control valve/s shall conform to the respective hazard class as specified in clause 2300 of the F. 2. All stop valves controlling water supply shall be secured open by a padlocked strap. WATER SUPPLY The water supply for the Automatic Sprinkler Installation is a superior water supply as defined by the F.SPRINKLER CONTROL VALVES INSTALLATION 1. install. 3.O. All stop valves shall be right handed and the controlling wheels shall be clearly marked showing in which direction the wheels are to be turned to keep the valves open or shut. A test cock for testing the valve shall be provided. The breechings shall have polished aluminium bodies with gun metal connections unless otherwise approved by the Consulting Engineer. Drain lines shall be drained to the nearest floor waste. placed in a horizontal position. The pipework shall be galvanised and shall be 20mm diameter. The orifice plates shall be either of stainless steel or of suitable non-ferrous material such that the hole will not become blocked by corrosion. etc. one number back pressure (non-return) valve shall be flanged and connected to each water supply connection. The water motor alarm shall not be located higher than 6m above the valve. The breechings shall be enclosed in a suitable glass-fronted box with spring locks and words painted to approval. The valve shall be of the straightaway pattern. It shall be of approved type and shall incorporate retard chamber where required to prevent false alarm and also shall have all necessary connections to pressure gauges. combined drain and test valve. PUMPING-IN-BREECHING A two-way pumping-in breeching inlet for pipes 100mm dia. BACK PRESSURE VALVE Where there is more than one water supply to an installation. Each water motor alarm shall comprise of a fire alarm gong with a water turbine to operate when sprinklers are operating. 4. The fire brigade inlets shall be to the approval of the Local Fire Brigade Authority. water motor alarm. and a four-way pumping in breeching inlets for pipes 150mm dia. SC-2 . 5. The alarm check valve shall be of the full flow pattern to minimise hydraulic friction loss at large flows. c. to enable the Fire brigade to pump water into the installation by the use of their own equipment shall be provided. Each water motor alarm shall be arranged to drain through a fitting having an orifice not larger than 3mm diameter.Alarm valve shall be supplied and fixed on the main supply pipe immediately above the main stop valve. Water Motor Alarms Water motor alarm shall be of approved type and shall be supplied and fitted as near to the alarm valve as practicable and in any case the total length of pipework shall not exceed 25m. DIRECT BRIGADE ALARM CIRCUIT Where required a direct Brigade Alarm Circuit shall be supplied and installed to connect the building to the appropriate local Fire Brigade Station.s. Switches must be sufficiently sensitive to operate when only one sprinkler is actuated. A 12mm dia.i. the attention must be automatically drawn to this fact by means of duplicate warning lights conspicuously placed and a buzzer. dia. Alarm signals shall be initiated by a flow of water in the sprinkler system using water flow alarm switches. The valve shall be padlocked in the closed positions.g. 8. Pressure gauges shall have scales with divisions not exceeding 0.C.6. The apparatus including the alarm switch and control unit shall be of approved type. valve test line drained to the nearest floor waste shall be supplied and installed on the down-stream side of the flow switch.O. If at any time the connection to the Fire Brigade is severed. 1780 and shall be of minimum 150mm.2b for a maximum scale value of 10b. dial type of Budenberg or equally approved manufacture. SC-3 . WATER FLOW ALARM SWITCH Water flow alarm switch (electrically operated) shall be supplied and fitted to indicate on a central control panel the particular section of the system which is operating. the contribution to the expenses shall be borne by the Owner of the Building. Flow switch must be of F. approved.S. Means shall be provided to enable each pressure gauge to be readily removed without interruption of installation of water supplies. Where connections are to be carried out by the Authorities. for direct brigade alarm circuits. Adequate means shall be provided for frequent testing to the approval of the local Fire Brigade Authority. A pressure gauge shall be fitted immediately above the alarm valve and another immediately below the alarm and main stop valves. not exceeding 1b for a maximum scale value in excess of 16b. The scale value of the gauges shall be of the order of 150 per cent of the maximum known pressure. 7. in the system pipework above the alarm valve. The pressure gauges shall also indicate readings in p. The Sub-Contractor shall make all necessary arrangements with the relevant Authorities having jurisdiction over the installation and pay all charges which may be due during the 12 months maintenance period. PRESSURE GAUGES Pressure gauges shall conform to B. With the dynamic electronic filters. FA-1 . GENERAL The complete addressable analogue automatic fire alarm and detection system shall comprise of a main fire alarm control panel. 2. The main control panel shall be able to show the sensitivity level of any detectors in the system. The main control panel and the detectors or interface shall be proprietary type. It shall have a “Beyond Limit”function to enable the servicing personnel to command the main control panel to show only the detectors that need to be serviced. SYSTEM DESCRIPTION AND OPERATION The system shall incorporate the latest microcomputer technology in Addressable Analogue Fire Alarm and Detection System. dampness. addressable analogue detectors and interfaces. climatic changes and electrical spikes. it must also be able to recognise and avoid an alarm from detector that is subjected to welding. To continually assess detector signals with its dynamic electronic filters to reduce or increase its alarm limit automatically to detect a smoldering fire or to avoid an early Prealarm form a contaminated detector.ADDRESSABLE FIRE ALARM/DETECTOR SYSTEM 1. It shall also be easily integrated to other computer based systems such as Building automation system. It shall be commissioned by the specialist supplier of the manufacturer who commissioned by the specialist supplier of the manufacturer who shall provide the necessary skills required to ensure the proper function of the complete system to the satisfaction and approval of the relevant Fire Authority and according to British Standards for Automatic Fire Alarm System. non-addressable devices. The system shall have the following operational features. any change or addition of detectors. wiring and related accessories. The data or text of detectors should be easily altered or added on site immediately by using the arrow keypads in the panel should there be. The system shall automatically set the number of addresses in the system or have an option to set manually with dip switches. It shall incorporate an alarm organisation features should it be desired to raise an alarm only if two smoke or heat detectors are activated. pipe/cigarette smoke. in the future. The panel must be able to display all those detectors that are polluted when commanded. remote logic displays and others. To allow interfacing of non-addressable devices into the main system such as automatic FM200 panel and flow switches. The slave panel shall have the necessary outputs and inputs so as to be able to stand-alone in the event of communication breakdown with the main operating control panel. telecourier paging. To isolate or disable any selected address or group of addresses at will for any duration of time and to store for recall. MAIN OPERATING FIRE ALARM CONTROL PANEL The main operating fire alarm control panel shall be for floor. printer. such information or isolated addresses. To be able to store up to 20 last alarms. FA-2 . 3. by a numerical address. The isolated or disabled addresses must automatically be reinstated into the system after the expiry of the duration of isolation. The system shall be compact stand-alone unit and capable of interfacing with other microprocessor based equipment to provide facilities such as Video Displays. To continually scan the entire system and detection devices to report any changes in status of any device attached to it. The main operating fire alarm control panel must be user friendly to enable the user to operate easily with only one push button to accept any fault. pre-alarm or an alarm to enable the user to locate their precise location. To allow continuous two wire parallel looping of all addressable devices along each loop and yet enabling each addressable device to function individually and independently. with provision for standard 19”rack mounting onto standard 19”mounting cabinets of anodized aluminium and steel. together with its corresponding status (Fault. pre-alarm or alarm condition. Pre-warning or Alarm). pre-warning. It must also be able to record fault. synthesizers. pre-alarms. It must have a standard 2x40 word characters digital text logic display to indicate alarm location and other relevant information. detector faults. system fault and all disblings and a Historics of up to 150 events. alarm messages and detectors that need to be serviced and sensitivity of all detectors. wall or console mounting. loop-faults.All detectors shall have a customer data text of up to 2 lines of 40 characters to appear in the LCD screen in the event of fault. not more than 542 x 1919 x 477mm (W x H x D). The system shall have the capability to have slave panels for decentralisation. To provide self diagnostic features for various system faults. 7. The maximum loop resistance shall not exceed 30 Ohms. the distance between the main control panel to the furthest detector point. The internal digital clock must operate independently of any power supply and the time easily set if desired. OPERATING PANEL INDICATIONS The main operating control panel shall be provided with the following indications : FIRE - Red sign. lights when and address has an alarm status. The main operating panel must incorporate a test function to test front panel lamps. All outputs from the main panel must be freely programmable. FA-3 .5mm2 can wire the detectors up to 2. printer. 6 DIGITAL DISPLAYS The digital display must have a provision for 2x40 characters and is freely programmable to custom designed texts. Any alteration of customer data text and system configuration must be protected by a password to prevent unauthorised amendments. bells or sirens and others. The lopping cable shall be only a pair of PVC cables with a core size of 2. All users and service functions must be in menu-driven format to enable an easy step-bystep operation. External cable shall be of armoured cable. Voltage free contacts must be a standard provision. SYSTEM WIRING Screen cables are not necessary. A core size of 2.15km. MORE ALARMS - Red sign.5mm2 connecting all the addresses in parallel. 4. terminating at the last detector and penal.It must have simple keypads to uncomplicate execution of user or service functions. Balancing or teeing-off at any detector points is allowed. outputs for mimics or other function. CONTROL OUTPUTS Control and digital outputs must be freely programmable as standard provision. lights when more than one address is in alarm. 5. 9 micro curies) Sensitivity : According to EN-54 part 7 Working Voltage : 12 to VDC Quiescent current : 0. lights when an address in alarm is still in alarm condition when reset. lights when an address has reached pre warning level. lights when there is fault continues to blink until “Sounder silence”key is pressed.8. It shall incorporate an electronic devise with binary code to signal its identity along the same detector loop. FAULT - Yellow sign. Upon being scanned/addressed the detector shall issue a current pulse of appropriate duration to signal its level so sensitivity at that time. PRE WARNING - Yellow sign. “SPARE LAMP” - Ditto “SPARE LAMP” - Ditto ALARM ON HOLD - Yellow sign. FUNCTION DISABLED - Yellow sign. Detection Principle : Ionisation chamber Material Source : Americium 241 (0. MAINS - Green sign. lights when an address or any parts of the system is disable (disconnected). lights when the panel is supplied with 220 VAC. IONISATION TYPE SMOKE DETECTOR The ionisation smoke detector shall have an ionisation chamber to detect small concentrations of mainly small particles of combustion products. FA-4 .3 MA Alarm current : 35 MA Material construction : Self extinguishing polycarbonate Weight : 290 gm Encapsulation Humidity (no condensation) : : IP32 90% R.H. It shall incorporate an electronic device with binary code to signal its identity along the same detector loop. Detection principle : Thermistor sensor Sensitivity : Grade 1 according to EN 54 part 5 Working Voltage : 12 to 16 VDC Quiescent current : 0. : . 10.30o to +70o HEAT DETECTOR . 11. The heat detector shall be of grade 1 type to detect in the fastest response time. FA-5 . MANUAL BREAKGLASS/CALLPOINTS The manual breakglass / callpoint shall be of single action type. Upon being scanned / addressed. to form a sub-loop. The glass cover must be breakable by pressing it with an appropriate pressure and it shall be shattered proof. the detector shall issue a current pulse of appropriate duration to signal its level of sensitivity at that time.COMBINED RATE OF RISE/FIXED TEMP. Working Temperature : -30o to +70o INTERFACE DEVICE The interface device shall be an electronic device for interfacing detection devices or potential-free contacts onto a monitored detector loop. Upon being scanned / addressed it shall issue a current pulse of appropriate duration to signal its sensitivity at that time. It shall incorporate and electronic device with binary code to signal its identity along the detector loop. The overall colour shall be signal red and breaking of the glass cover shall automatically initiate an alarm to override any delay functions set in the panel. suitable for flush / recessed mounting.Working temperature 9.H.1 MA Alarm current : 35 MA Material construction : Self extinguishing polycarbonate Weight : 280 gm Encapsulation : IP 32 Humidity (No condensation) : 90% R. 15 MA Weight : 35 MA Encapsulation : IP 54 Material : Red Thermoplastics FA-6 .Working Voltage : 12 to 16 VDC Alarm current : 0. All wiring between terminal strips and electrical equipment inside the panel shall be neatly run and taped in accordance with the requirements of the Local Supply Authority. The panel shall be designed for indoor service with an ambient temperature of up to 105oF with 100% RH at maximum continuous rating without exceeding the maximum temperature permitted by the relevant B. indicating lamps and other necessary items of equipment specified herein and/or required for the proper function of the system to the current requirements of the Local Fire Authority. GENERAL The design. The front top and back of all cubicle roof shall be constructed from steel sheet with turned edges to the front panels and so formed as to provide a neat appearance. extensible. different insulant colours shall be provided to distinguish the various circuits and each connection shall terminate at an approved type of terminal block placed in an easily accessible position for testing at site with coded ferrules of an approved type at both ends of each conductor. They shall be of standard size uniform in height and depth from front to back. 2. Specifications. The thickness of material shall be to the approval of Local Fire Authority. Each cubicle framework shall be fabricated from rolled steel angle sections and shall be rigid construction with all joints welded and ground. All incoming and outgoing circuits and wiring shall be brought to the contactors.S.MASTER ALARM CONTROL PANEL 1. etc. MA-1 . contactors. The glass door shall be provided with an Allen key lock. relays. It shall house relays. No connectors for soldered joint shall be permitted in the wiring. CONSTRUCTION The panel shall be of the self-contained. Bushes shall be provided as necessary to prevent chafing of cables. The front top and back of all cubicles shall be finished as specified with end plates and heads of any external fixing bolts or set screws similarly finished except those steel parts normally left bright which shall be cadmium plated and operating parts finished semi-gloss black. For the purpose of identification. operation and construction of the panel shall strictly conform to the current requirements of the Local Fire Authority and the specification herein stated. via insulated terminal strips mounted within the cubicle. Bushes shall be permitted in the wiring. wall-mounting and flush fronted metal cubicle type. All cubicles shall be appropriately labelled to indicate the service. cables and where applicable current rating of fuses and setting of relays. All meters and relays shall be fully tropicalised. This requires the division of premises into zones. A secondary function of the control and indicating equipment shall be to indicate the existence of faults within the system. Faults shall be indicated automatically. OPERATION a. 3.All meters for panel mounting shall be of the flush pattern. Indication of the origin of an alarm shall be given on mimic indicating equipment with duplicating lights indicating each respective zone on the profile of the building. All terminals shall be completely insulated and potential circuits shall be suitably fused. The control and indicating equipment shall be designed so as to give an indication and an alarm on the operation of an alarm or operating device where applicable such as:i) Individual fire fighting pumpset in operation ii) Breakglass points in each respective zone in operation iii) Other operation of sub-alarm panel and alarm devices where indicated and/or specified on the drawings and/or herein the specification iv) Indication of all normal and standby power supply available to the above operating and alarm devices It shall initiate other functions where applicable such as the actuation of the operation of:i) Individual fire fighting pumpset ii) Other equipment where indicated and/or specified on the drawings and/or the specification herein MA-2 . with square escutcheon plates finished matt black and pressed steel cases. The primary function of the control and indicating equipment shall be to automatically effect operation of one or more devices to give a fire alarm. circuits. Labels shall also be provided to identify all items of equipment. Label shall be engraved on clear perspex. An indication of the origin of an alarm is necessary where the premises are large or intricate. a. The audible alarm specified in (i) and the visible indications specified in (ii) and (iv) shall be given simultaneously on any repeat indication equipment which may be provided. All indication lights and actuation devices shall be zoned to identify:i) Where the alarm comes from ii) Type of system in operation All auxilliary services powered from the control equipment shall be fused or similarly protected to ensure the safety of the power supply. and replaced if required by a distinctive evacuate alarm initiated automatically. The wiring from the alarm and control panel to all the above operating devices shall be by this Contractor. the fire alarms given by alarm sounders shall be:Alert - 1 second ON ) + 50% 1 second OFF ) Evacuate - Continuous (all sounders) MA-3 . and ii) At least one external alarm sounder. The operation of one or more devices shall result in a fire alarm being given by:i) At least one internal alarm sounder (indicating equipment shall incorporate a sounder or have one located near to it). b. In addition to the audible alarms specified in (i) and (ii). Normally a fire alarm shall be given by the continuous operation of the alarm sounders. whereby a preliminary Alert alarm may be initiated automatically by the operation of a device. facilities shall be provided to control zone and/or sector alarm sounders. When this facility is provided. and iv) A visible indication for each zone in which a trigger device operates. The control equipment may be arranged to provide two stage alarm facilities. and iii) A visible indication in the indicating equipment. The relays in the operating devices for this purpose shall be provided by others. The visual indications specified in (iii) and (iv). they shall not be automatically silenced. The equipment shall be designed so that. until the fire alarm system is reset. Any fault warning by the control equipment shall be given simultaneously by:i) An audible warning from a sounder situated at the indicating equipment. MA-4 . ii) Failure or disconnection of the standby power supply. and the audible signal that the alarm sounders have been silenced shall all persist until the system is manually reset at the control equipment. with an on/off time ratio of between 4:1 and 2:1. c. the control equipment may be required to intiate automatically an Evacuate alarm in selected zones. The rate of flashing shall be at 110 +30 flashes per minute. in the event of operation of a trigger device in any zone in which an alarm has not already been received and silenced. The operation of the Silence Switch shall automatically result in an audible signal being given in the control equipment.The audible alarms specified in (i) and (ii) shall continue until silenced by the manual operation of a biased switch or other device fulfilling the same function. The audible signal. which may be the same as for fault warning. or in all zones if devices operate in predetermined zones in combination. Resetting shall be accomplished only by the operation of biased switches or other devices fulfilling the same function. (iii) and (iv) shall be given in all zones. preferably within it. (ii). Zone indicators shall be arranged to flash to indicate a newly initiated alarm. iii) A signal transmitted to a remote centre where a communication of such a centre is provided. When the alarm sounders are silenced by manual operation of a silence switch. further fire alarms as specified in (i). ii) A visible indication on the indicating equipment. In a system having two-stage alarm facilities. following the silencing of the alarm sounders. shall give a distinctive sound different from that of any alarm sounder used to give the fire alarm. any flashing signal then existent shall be replaced by a steady signal. Any fault warning as specified shall be given in the event of any of the following occurring:i) Failure or disconnection of the normal power supply. conformity which will ensure the fault conditions are recognized before the effectiveness of the system is impaired. Each indicator lamp shall be arranged to give an audible fault warning immediately on the failure of any lamp at any time. The operation of any sounder or the transmission of a signal to a remote centre shall not be prevented by any indicator defect and shall not depend on the operation of any indicator. vi) Failure of any fuse or protection devices. each fault warning indicator shall be clearly labelled with the word `Fault'. Each zone indicator shall. Provision may be made for cancelling the sounder only. give clear indication of that section of the premises from which the call originates. d. such as a pulse generator. Facilities shall be provided for giving a fault warning on the indicating equipment in the event of a failure or disconnection of both normal and standby power supplies. together with a recommended time interval between successive tests.iii) Failure or disconnection of battery charging equipment. inverter or oscillator. MA-5 . the removal of the fault shall automatically reset the audible fault warning circuit or cause the audible fault warning to respond until silenced by the manual operation of a biased switch or other device fulfilling the same function. Each fire alarm indicator shall be clearly labelled with the word `Fire'. The sounder used for giving fault warning shall be distinctive and of different character from the audible fire alarm. iv) Failure or disconnection of the leads to alarm device(s). on operating. The arrangement of indicator circuits and the mechanical design of the apparatus shall be such that the operation of one indicator does not prevent the proper and separate operation of other indicators. v) Failure or disconnection of any of the leads to alarm sounders. viii) Others as required by Fire Authority. vii) Failure of any device. Where such provision is made. Each installer of the equipment shall supply for each installation a routine test schedule. Loss of effective battery capacity shall be recognised during the course of a routine test of the system. i) With the battery disconnected. Where apparatus is to be operated in excess of extra low voltages. each fire alarm indicator shall be coloured red and each warning indicator shall be coloured amber. all live parts shall be enclosed in earthed metal.In addition to labelling. & iii) With the battery connected and in a discharged condition. All indication and other circuits within the indicating equipment shall operate at 24V d. taking into account any quiescent load imposed by the associated system. Battery charging equipment shall incorporate automatic control features with output designed to charge and maintain the cell within the limits specified by the battery manufacturer. MA-6 . A secondary battery exclusive to the fire protection system (Nickel Cadmium Battery) A standby power supply shall be immediately available in the event of failure of the normal supply and shall be automatically connected so as to maintain the equipment in a condition such that a fire alarm arising from the operation of a device in two separate zones can subsequently by given. h.c. The control equipment shall provide voltages appropriate to the rating of the interconnected trigger device units and the equipment shall incorporate overload cut out or limiting devices to protect the external circuit against excess current. and ii) With the battery connected as for normal duty. The mains electricity supply ii. f. The equipment including all its components shall function satisfactorily at the nominal mains voltage +10% when tested. e. The two colours shall not be used for any other indicator. or non-combustible insulating material. The standby shall be derived from a secondary battery (Nickel Cadmium) exclusive to the fire protection system. g. The control and indicating equipment shall derive power from:i. The equipment shall be examined and certified by person or persons acceptable/approved by Director General. MA-7 . and it shall in addition be capable of supplying the full emergency alarm load for a period of at least 1 hour. Fire Services Malaysia. i. when charged by its normal charging arrangements for a period of 24 hours from a fully discharged condition. to confirm that all the requirements of the clauses dealing with control and indicating equipment for protection premises have been met. shall then have sufficient available power to supply the quiescent load together with any fault signals resulting from the disconnection of failure of the alternative power supply for a period of 72 hours.Each battery of secondary cells used in the equipment. Thereafter it shall be capable of supplying an additional load resulting from an alarm originating in two separate zones for a period of 1 hour. 3. SYSTEM OF OPERATION Activation of one detector shall operate the alarm intermittently. tested and commissioned by a contractor. glass fronted metal cubicle.F. Should there be any LPG system linked to it. The panel shall be located on the external wall of the MSB room. so advising personnel to evacuate. Fault and Isolate Indicators For Each Zone n) Gas Operated Indicator o) Audio & Visual Gas Isolated Indicator p) Gas Isolation Switch q) Manual / Auto Switch & Indication For Manual Mode r) Voltmeter CD-1 . The gas release shall be 30 seconds after activation of two detectors or operation of manual gas release unit. The concentration shall be minimum 50% at 80. The discharge should be substantial completed in a nominal 60 seconds. the panel shall shut off the solenoid valve of the LPG piping. The panel shall be provided with the following facilities:a) Mains incoming switch & indicator b) Mains Fail Indicator c) Battery On Indicator d) Battery Low Voltage Indicator e) Chargers On Indicator f) Charger Fail Indicator g) Bulb Test Switch h) Buzzer Silence i) Fuses (Screwed On Type) j) Bell Line Fault Indication k) Reset Switch l) Zone Switched (Test Alarm / Normal / Isolate / Test Fault) m) Audio and Visual Alarm. The alarm shall operate continuously after the activation of the second detector. 2. shut off exhaust fans. The system shall be supplied.AUTOMATIC CARBON DIOXIDE (CO2) EXTINGUISHING SYSTEM 1. shut off the equipment within the room being protected and operate the Xenon flasher unit. GENERAL The CO2 system shall be designed to NFPA 12-1980 code and local fire authority requirements. Activation of the second detector shall initiate the 30 seconds time delay for gas release. CONTROL PANEL The control panel shall be lockable. installed. The panel shall be constructed by approved supplier by Jabatan Bomba and details shall be submitted for Consultant’s approval prior to fabrication. A spare key shall be kept in a glass fronted box outside the door by the control unit.. 6. 50 Hz supplied to the power charger module within the control panel. Automatic means shall provided to prevent loss of agent through manifold if any of the cylinders are removed.C. / Date Of Manufacturer / Owner’s Name) POWER SUPPLY The system shall operate in 240 volts AC supply and 24 volts DC standby supply. 5. With the firm lamp on the control panel and an audible warning will be given in the CO2 protected areas via the alarm bell. Ammeter Label (Manufacturer / Serial No. This mode of operation is called “Double Knock”and obviates the possibility of false discharge due to one detector operating to conditions which are regarded as normal. When one of these detectors goes into the alarm condition a signal lamp on the detector’s lobby will illuminate in sympathy. The space shall be protected by at least two detectors mounted at ceiling level and wired in different zones. CD-2 . A standby battery shall be provided in case of mains voltage failure. The voltage is transformed and rectified within the panel to 24 volt D.C. The DC supply shall consist of nickel cadmium batteries of sufficient capacity to sustain the system under all operating conditions for a period of at least 72 hours.s) t) 4. This battery will automatically and instantaneously be changeover as soon as the mains supply fails. Such failure be trickle charged during normal operating conditions. In order to discharge the extinguishing agent automatically two detectors must operate. The condition of the container infill shall be indicated by a gauge fitted on the cylinder. Also to be provided is the facility for manually discharging agent via a key switch unit which shall be mounted outside the exit door to protected space. A disconnection to this circuit would be indicated as a fault as the control panel both visually by a fault lamps and buzzer and remotely on the central control panel. The detectors circuit wiring shall be monitored for line open and closed circuit fault. MANUAL GAS RELEASE UNIT The system shall operate from an input voltage of 240 volts A. CO2 CYLINDER The cylinders shall be installed on a 50mm high plinth and secures by using a suitable bracket. BILA GAS CO2 DILEPASKAN”shall be provided on the door of the room being protected. FITTING & DISCHARGE NOZZLE All pipes works. CD-3 . 9. NOTICE A notice with the words “JANGAN MASUK KE BILIK INI TANPA ALAT PERNAFASAN. PIPEWORK.8. Nozzles shall be selected to suit the type of hazard served. 10 ACCEPTANCE TEST The contractor shall arrange inspection of the completed system with Bomba and obtain acceptance certificate from them. VALVES. valves & fittings shall be of seamless carbon steel API 40 and suited for the intended duties. FS-1 . maintenance and warranty of FM-200® Fire Protection System with the TOTAL FLOODING type. The agent is discharged after a time delay upon detection of fire to warn any occupant to evacuate the room. activates both visual and audio alarms before releasing the agent. install.e. the gas mixture present shall be environmental friendly with    Zero Ozone Depletion Potential (ODP). The Contractor shall engage a specialist in the design. testing. The FM-200® Fire Protection System and its mechanical components shall be manufactured by Macron Safety Systems (UK) Limited.FM-200 TOTAL FLOODING FIRE SUPPRESSION SYSTEM 1. heptafluoropropane. supply. GENERAL This section for the specification covers the design. install. The agent shall have no environmental impact i. heat and/or smoke detectors. DESIGN REQUIREMENTS Clean Agent The suppression clean agent shall be the halocarbons extinguishant. which monitors the space. piping. supply. it can be installed for rooms which are normally occupied or unoccupied. delivery. 2. discharge nozzles. commissioning. Any material not specifically mentioned in this specification or not shown in the drawings but are required for proper performance and operation shall be included and installed. HFC-227ea (trade name FM-200®) and manufactured by Great Lakes Chemical Corporation. The FM-200® Fire Protection System consists of container. Thus. and a control panel. The agent shall be USEPA recognised in the 'Significant New Alternatives Policy’ (SNAP) for normally occupied area. Low Global Warming Potential (GWP). utilizing FM-200® clean agent to extinguish fire. Short Atmospheric Life Time (ALT). testing and commissioning of the whole FM-200® Fire Protection System. The system and components shall be supplied by an authorized distributor with good reputation and experience in design of the FM-200® fire suppression system. NFPA 2001. All devices for shutting down supplementary equipment shall be considered integral parts of the system and shall function with system operation. inspected. 3. 2000 edition. The false ceiling space. opening shall be permanently sealed or equipped with automatic closures. All devices shall be designed for the service encountered and shall not be readily rendered inoperative or susceptible to accidental operation.The agent shall commercially be available and approved by Jabatan Bomba dan Penyelamat Malaysia (Malaysia Fire and Rescue Department). Design Standards The system shall be designed. trained personnel in accordance with The Standard on Clean Agent Fire Extinguishing Systems. installed. Enclosure The enclosure shall be test adequate integrity to retain the design concentration (for FM200®. They shall be located. maintained. The protected area shall be provided with FM-200® gas with flame extinguishing concentration of 7. To prevent loss of agent through openings to adjacent hazards or work areas. SYSTEM OPERATION FS-2 . room and floor void (raised floor) shall be protected with the HYGOOD FM-200® Fire Protection System. which may render them inoperative. The agent shall be discharged within a nominal 10 seconds discharge time upon activation of the container valve.17 % at 20oC. Please refer to Enclosure Integrity Test Specification or VIC Resources Sdn Bhd for further information. installed or suitably protected against mechanical. chemical or other damage. 7. The quantity of extinguishing agent shall be sufficient to ensure rapid extinction of any fire in the protected areas and with adequate spare capacity.17 % for class A and C fire hazard) for a minimum of 10 minutes holding time. tested and recharged by qualified. cable. Each system shall be able to perform independently via the interlocking with the automatic detection system as well as manual actuation under emergency situation. Discharge of the clean agent may be prevented by pressing the 'Stop gas' push button at the control panel. 'Gas Discharged' sign shall be flashing.The system shall be left in automatic mode at all times if the design concentration is below the NOAEL (None Observed Adverse Effect Level) concentration. The Contractor shall provide all control panel and necessary relay for alarm connection to MAP. FS-3 . a signal shall be sent to the gas container electric actuator to release the gas. Ventilation shut down / opening closure shall operate to prevent all potential leakage if applicable. Beacon light shall be flashing. etc to effect this interlocking operation. Activation Stage 1 (1st Alarm) When the first detector of a particular zone is activated. 'Evacuate Area Immediately' sign shall be flashing. conduit. The following function shall be executed:     The siren shall sound. relay. the complete operation sequence of Activation stage 1 & stage 2 are executed simultaneously. the 2nd 'Alarm' LED shall be blinking. it shall cut off the operation of the computer air-conditioning units. The Contractor shall provide and connect all the necessary controls. which are installed by others. alarm status shall remain. LED countdown timer shall be lighted up to standby for countdown. Once the timer reaches '0'. However. Upon activation of the gaseous fire suppression system. The countdown LED timer shall commerce shutdown. The automatic detection system shall comprise cross-zone detection to activate before activation of the gaseous fire suppression system. Activation Stage 2 (2nd Alarm) When an adjacent detector is activated. the 'Alarm' LED on the Control Panel shall be blinking and the following functions shall be executed:      The alarm bell shall sound. Manual Operation When the Manual Release Station is activated. process all alarm and releasing signals to activate the fire suppression system.C. The panel shall be factory manufactured wall mounted with lockable hinged doors constructed from galvanized. COMPONENTS Control Panel The system shall operate from an output voltage of 240volts AC. spray painted steel sheet. Such a failure shall be indicated both visually and audibly at the panel. Visual indications shall be provided at the control panel as follows:       Power status Systems status Alarm status Discharge status Trouble status Abort status cylinder gas pressure status The gas release control panel shall receive alarm signal from the analog addressible smoke detector via interface unit using 'cross zoning' configuration.C. The battery shall be trickle charged during normal operating conditions. 50 Hz supplied to the power charger module within the control panel. A manual discharge disable function shall be provided as a safeguard against unwanted discharge of the gas during system servicing. standby battery of the maintenance free type shall be provided in case of main voltage failure. An adjustable timer shall form part of the control panel function for delay of gas discharge action upon both of the cross-zone detector zones activation. adjustable from 0 to 90 seconds must be provided for each protected area to indicate the remaining time before actual gas discharge.If the 'Stop Gas' pushbutton is being pressed before the LED timer reaches '0'. Storage Container FS-4 . LED display countdown timer. 4. timer shall re-start countdown immediately upon release of the pushbutton. A 24-volt D. This battery will automatically and instantaneously be switched into use as soon as the mains supply fails. The panel shall be able to monitor all functions. The voltage is transformed and rectified within the panel to 24 volt D. Each nozzle shall consist of orifices and should be of corrosion resistant metal. Each container must be equipped with a discharge valve to discharge FM-200® which manufactured by Macron Safety Systems (UK) Limited. Automatic Detectors and Alarm Bells The automatic detectors are usually of the combination heat and smoke type. The detectors shall be resistant to corrosion and any plastic components should not melt or be adversely affected at a temperature less than 13°C above the maximum allowable operating temperature for the type of detector. The alarm bells should produce an alarm at least 90 dB noise level above the surrounding. System operating on higher pressure will not be accepted. The bells shall be fully weatherproof and can be installed in any location for any alarm purpose. Over pressurization of the container shall be prevented by a safety disc incorporated with the container valve.The FM-200® shall be stored in varies suitable size of container designed to hold the agent in liquefied form at ambient temperatures. All cylinders shall be adequately mounted and supported in a manner to facilitate individual servicing or content weighing. and configure as appropriate for the normal use of the protected risk. Manufactured in accordance with DOT (HSE) 4BW500 or 4BW450 Each container shall be super-pressurised with dry nitrogen to 25 bar at 20°C and shall be equipped with pressure gauge to indicate the pressure of its content. It shall be of welded steel construction. Discharge Nozzle Discharge nozzles shall be selected for the use intended and for their discharge characteristics. Valve Operating Actuator Valve operating actuator shall be available in electric (solenoid type). manual (local and remote) and pneumatic method of operation. Piping and Fitting FS-5 . 6. FS-6 . efficiency shall be rectified and tested to the entire satisfaction of the Authority Having Jurisdiction before acceptance. All values and other screwed fitting shall be suitable for the system. Discharge nozzles shall be manufactured in corrosion resistant material and shall be positioned in a manner to effect a uniform concentration at the shortest time after discharge. and be in accordance with the DIOM of the system manufacturer / supplier. 5. The complete installation shall be in full operational condition before testing is to be carried out. MAINTENANCE AND WARRANTY The system shall be warranted for parts and labour for not less than a period of one year (12 months) from the date of installation. TESTING AND COMMISSIONING The whole works shall be satisfied the requirements of the Authority Having Jurisdiction for the protected risk.All piping shall be a Schedule 40 seamless pipe complying with BS 5306. all gaseous containers shall be fully charged. safety. Before hand over of the system to the Owner. reliability. The Contractor shall specify the maintenance to be performed during the warranty period to maintain warranty condition. All defects and deficiencies in performance. The Sub-Contractor shall include in the Tender Price cost of installation including brackets and the approval fee from the Fire Authority. The powder shall be non-toxic. B and C fire. Dry chemical powder shall be capable of extinguishing Class A. The cabinet shall made from mild steel with minimum thickness of 1.S. non-abrasive and non-freezing. 5423 and shall be supplied with horn. non-corrosive.S. Carbon dioxide extinguisher shall be able to extinguish Class A. No extinguishers shall be sited where temperature exceeds 110oF. Portable fire extinguisher exposed to weather shall be placed in weather proof cabinet. hose and valve assembly. Evidence of approval of fire extinguishers shall be accompanied with the tender. PF-1 . partition or column in a suitable conspicuous and accessible position. with SIRIM approved type.2mm. Generally. Code Of Practice CP 402 : Part 3 : 1964. Portable fire extinguishers to the approval of the Local Authority shall be supplied and installed as shown in the drawings.S. Similar portable fire extinguishers supplies shall have the same method of operation. B and C fire and conform to B. The number and type of extinguishers shall be hung or hooked or securely placed on brackets fastened to a wall. It shall not solidify or evaporate and conform to B. furnish with epoxy powder red paint. Samples of equipment before installation shall be submitted for the Engineer’s approval. test and commission on the necessary equipment as generally shown on the drawings and to the Specification of Local Fire Authorities. All extinguishers should be installed at height at 1370mm height from the floor level to the handle. 3465.PORTABLE FIRE EXTINGUISHERS The Sub-Contractor shall supply. it shall be installed and maintained to B. install. install. indicator. microphone. the “common call”key. light emitting diodes (LED) and a master handset. the latter is used in conjunction with standby emergency power supply. a loudspeaker. master telephone handset. The control panel shall house the loudspeaker. the loudspeaker volume control unit.E. 2.FIREMAN COMMUNICATION SYSTEM 1. The selector switch will be used to switch two-way speech to its connected sub-unit.D. CONTROL UNIT The control unit shall consist of a number of banks of selector switches. the “transfer alarm”key and the “display test”key. test and commission a common talk closed circuit supervised fireman's communication system. All units of equipment shall have been approved by the Local Fire Authority and shall consist of: a) b) c) d) e) Control unit Central exchange amplifier Sub-units/Remote station Power supply unit All necessary cabling works All equipment shall be suitable for use in this country. Each selector switch is allocated to a sub-unit handset and provided with a light emitting diode. FC-1 . DC power ON and AC mains failure L. GENERAL The Sub-Contractor shall supply. The control unit shall be provided with the following functions to comply with the Fire Brigade Department's Requirements:a) Multicontrol unit operation b) Changeover switch to transfer control to another unit c) Intercommunication between control units d) Automatic emergency fire tone which also transmits to all sub-units with a cancel switch incorporated e) Indication of any other external condition which may be registered by audio visual signal. when lifted. thus maintaining privacy during conversation between the fireman and the Commanding Officer. or an indication for failure for the power supply unit. The front access door will be fitted with glass or perspex panel and lockable. mains failure.C. As a back-up to the A. In the event of a A. 24 volts nickel cadmium battery with sufficient capacity for all sub-units sets. from an A. 3. indicator light shall be provided to indicate that the system is operating under standby operation. a press-to-call. audio tone.D. FC-2 . indicator lights. It shall consist of a telephone handset with coil cord.The master telephone handset will cancel the loudspeaker/ microphone unit. press-to-reset alarm tone switch. D. for switching the audio through to the sub-units and shall provide the entire system under constant surveillance by electronic supervision. The supervisory features shall provide automatic protection in the event of line faults. SUB-UNITS/REMOTE STATIONS The remote station shall be wall/flush mounted on walls. System faults are indicated immediately at the control unit for any number of sub-units/remote stations.C. CENTRAL EXCHANGE AMPLIFIER The central exchange amplifier shall contain the electronics necessary for the operation of the system.E. to operate continuously for a period of not less than 8 hours complete with battery charger unit shall be supplied and installed. source supply. input of 240V single phase 50 hertz. The latch cards shall contain the circuitry required for latching calls from the sub-units.C. etc. It shall consist of a number of cards mounted in a card frame. a D. 5. to sound a normal call signal should a line be broken with a cancel switch incorporated. plus an interconnecting baseboard which is also connected to the remainder of the equipment. A `Mains Fail' L. The card frame shall contain slots for the necessary audio and control cards. an indicator light and an audio tone unit fitted inside a vandalproof metal enclosure of a colour to be selected by the Consulting Engineer.C. POWER SUPPLY UNIT The power supply unit shall be designed to provide a smooth regulated output of 24 volts 5 amps.C. 4. switching to standby operation shall be automatic using electronic circuitry without any break. the latch cards and the additional facility cards. the appropriate L.E. a flashing indicator light shall be noticed at the sub-unit indicating that the call has been registered and is awaiting to be answered by the control unit. the appropriate L.6. display.D.D. a two-way communication is thus possible. FC-3 . the audio signal will be cancelled but leaving the L. an alarm tone will sound in the control unit. A volume control is provided on the control unit for voice level adjustment of the incoming call. If any other calls are made to the control unit whilst it is engaged. By lifting the sub-unit handset and depressing the push button switch will cancel the audio signal but leaving the indicator light ON. The alarm tone will come ON when the control unit is disengaged. CABLING All cabling works shall be carried out in conduit and in accordance to the requirement of the Equipment Manufacturer and the Local Fire Brigade Department. At the same time. In addition.E.D. When the control unit calls the sub-unit by depressing the appropriate push button. OPERATION The Fire Brigade Communication System shall provide two-way communication between the control unit and the individual sub-unit. 7. By depressing the press-to-talk switch at the control unit. on the control unit switch bank flashes and remains flashing until the call is answered. will flash to indicate queuing.E. a) Sub-Unit Operation The sub-unit calls the control unit by lifting the handset and depressing the push button switch into “call”position. b) Control Unit Operation When a sub-unit calls in.E. A “common call”key shall be fitted to call all sub-units in the event of an emergency. A “display test”key shall be fitted to test the operation of the whole L.D. a two-way communication is thus possible. a continuous audio signal and flashing lamp will be activated at the sub-unit. on the control unit and the sub-unit indication lamp ON until the control unit de-selects the sub-unit. A continuous audio and flashing call signal is created at control unit. unless the control unit is already engaged with another call. When the control unit accepts the call by pressing the appropriate push button. Internal Power Supply Card To provide all power for signal switching of electronic circuitry. 8. 9. Audio Latch Card To enable all calls to be electronically latched and held for the duration of the call. TESTING AND COMMISSIONING The testing of the system shall be carried out jointly by the Sub-Contractor. v. ii. CABLES All cables to be used shall be in accordance to the Equipment Manufacturer's recommendation and the maximum operating distances of different sizes of cables must be strictly adhered. Power Amplifier Card A heavy duty power amplifier to power all the sub-units during a common call operation. iii. Similar for delatching. the Fire Authority and the Consulting Engineers upon completion. Audio Control Card To provide the switching tone and pre-amplifier circuitry to facilitate almost soundness change of speech direction. FC-4 . iv. Amplifier Card To provide all necessary amplification to power the speech circuit and automatic microphone limiting which will enable the level to be pre-set to avoid speech or background noise overload distortion. vi. Alternating Tone Card To provide a continuous alternating tone frequency signal to all sub-units during a common call operation.c) Central Exchange Amplifier Operation The central exchange amplifier shall have the following minimum operation:i. TESTING APPARATUS A complete set of testing equipment to be provided by this sub-contractor shall consist of the following minimum requirements.m. calibrating and setting of the equipment and controls associated with this installation shall be done by and all instruments and labour necessary for this shall be supplied by this Contractor. pressure and r. 1 . TESTING 1. valves and connections to enable all the system to be cleaned out and drained and shall remove and make good all such piping and connections at completion. testing. a) 3.p. The Sub-Contractor shall provide all notices and pay all fees in connection with all necessary tests to be carried out to the approval of the Local Fire Brigade Authority and any Authority having jurisdiction over the installation. Only competent and experienced personnel shall be employed to carry out all the tests. All tests shall be done in the presence of and certified by the Consulting Engineer. GENERAL All necessary balancing. Piping shall be disconnected from control valves during clean out.BALANCING. BT-1 . If tests are specified in any clause of the Specification such tests shall be carried out when the Consulting Engineer may deem necessary without any extra charge.Tachometer with accessories for measurement of pumps and motors shaft speeds. PUMPS All pumps shall be checked for flow rates. Completion Certificates as shown in the Appendices including a brief description of the test method and instrumentation used shall be submitted to the Consulting Engineer. The Sub-Contractor shall provide and install all temporary pipes. 2. FLOW SWITCHES AND FLOAT SWITCHES All flow switches shall be tested after installation. 5.s. 6. Should any failure occur due to. 7.4. RELIABILITY TESTS When the preparatory tests have been concluded successfully and the Contractor has notified the Consulting Engineer that the installation is ready to work. TEST RECORDS On the completion of the installation. The onus of proving that any failure is due to any other cause shall rest with the contractor. or 2 times the working pressure whichever is the greater. The test pressure shall be maintained for 24 hours and the Engineer shall be notified 48 hours in advance of any testing to be carried out. Areas defined by indicating lamps and/or alarm bells shall be checked for correct operation. each section of the installation will be required to operate either continuously or intermittently as may be required without failure of any kind for an approved period before the "Taking Over Certificate will be issued. the above test shall be made before the pipes are covered or permanently concealed. PIPEWORK All water pipework shall be hydro-statically tested to 150 p. materials or workmanship but otherwise sufficient to prevent the commercial use of the installation. BT-2 . the reliability test for a further approved period of one calender month shall be recommended after the Contractor has remedied the cause of failure to the satisfaction of the Consulting Engineer. All switches shall be correctly set to the satisfaction of the Consulting Engineer. During this test. faulty fitting. or arising from. all welded joints shall be hammered and where pipe connection are built in the walls or partitions. the Contractor shall submit three (3) copies of the test records to the consulting engineer.i. On practical completion. the Sub-Contractor shall be present at such an inspection. and instruments which shall be certified as to their accuracies. Three copies of certified test results shall be forwarded to the Consulting Engineers within seven days of the tests being performed. No work shall be covered without the prior approval of the Consulting Engineers. The Sub-Contractor shall supply all labour. settings and modifications made. in addition to the test figures specified. the whole of the works will be subjected to acceptance tests and inspections. dates when calibrated. The Consulting Engineers shall be given adequate notice of completion of works to be covered. The Consulting Engineers will then provide a list of defects and these shall be rectified within 14 days unless otherwise agreed to in writing. by whom and of types approved by the Consulting Engineers. The materials and methods used for testing shall not adversely affect subsequent performance of the components of or the system in which the components are installed. materials. The Consulting Engineers shall be allowed to inspect the installation works at any time and if required. The Consulting Engineers shall be given 7 days advanced notice of works to be tested. all adjustments. equipment. TESTING AND COMMISSIONING 1. The Sub-Contractor shall be responsible for all electrical tests at the site and shall be represented by a capable Chargeman or Engineer during the whole of the period required for the tests. The installation shall then be retested and reinspected to ensure that the listed defects have been remedied. Defects revealed shall be made good by replacement of the defective part or parts.INSPECTION. IN-1 . tools. During testing and commissioning the Sub-Contractor shall record. Pressure gauges used shall be approved by SIRIM (A Certificate of Approval be produced by the Contractor for inspection by the Fire Officer).The standard of acceptance for mechanical installation tests shall be as recommended in the conformance to the following standards:Electrical Installation - Latest Edition of I. Cold Water Services - Kuching Water Board The Sub-Contractor shall arrange and carryout the necessary pressure testing of pipelines in the presence of the Engineer and/or Fire Offices. Regulation and SESCO Fire Fighting Installation - Fire Office Committee rules Jabatan Bomba Malaysia. While under a pressure of 150 psi every joint in the suction lines shall be brushed with a soap lather to check for leaks.E. Use a hand-operated pump and a low pressure gauge. IN-2 .E. Allow for 24 hours before releasing the air pressure in the presence of the Engineer's representative. The log book shall remain at the site and shall be used to accurately record all service calls. All adjustments to equipment which may be necessary to ensure satisfactory operation have been made. The Engineer may issue the Certificate of Practical Completion at his discretion provided that:a. setting out the work performed. b. all materials and work as set out in this Specification for a period of twelve months from the date of issue of the Certificate of Practical Completion. c. SUB-CONTRACT MAINTENANCE The Sub-Contractor shall guarantee against fault. At the beginning of the Maintenance Period the Sub-Contractor shall provide a log book which shall be lodged with a person nominated by the Engineer. fuse. The Sub-Contractor shall at his own expense pay for spare parts. together with advice of arrangements of prompt attention to emergency calls have been submitted to and approved by the Engineer. All entries to the log book shall be handed over to the Inspecting Engineer on completion of the Maintenance Period.MAINTENANCE 1. bulb. detectors and other items necessary for the proper operation of the system. A Maintenance Schedule setting out the proposed programme of maintenance inspection and servicing. the repairs or adjustments made. All required testing has been completed and approved by the Consulting Engineer and CIFS. d. At the conclusion of the Maintenance Period a complete check over and if necessary a re-adjustment of the installed equipment shall be made in the presence of the Engineer. the date. All operation instruction. relay. starters. MT-1 . or defects. the duration of each visit. whether emergency or routine. wiring diagrams and layouts have been received. Sub-contract maintenance shall consist of servicing of pumps installed including attention to emergency calls for a period of twelve months. MT-2 . The service Sub-contract shall include emergency service and regular maintenance. The cost of spare parts shall be charged to the Owner. 3. the Sub-Contractor shall train maintenance personnel nominated by the Owner in all aspects of operation and maintenance of the whole installation. SERVICE SUB-CONTRACT The Owner shall have the option to enter into an annual service Sub-Contract.2. SCHEDULE OF MAINTENANCE IS ATTACHED During the Maintenance Period. after the Sub-Contractor has fulfilled the Sub-Contract Maintenance and guarantee obligations. DL-1 .