Transcription
ARCHITECTURAL SERVICES DEPARTMENTSTANDARD PHRASEOLOGYFORBILLS OF QUANTITIESFORBUILDING WORKSThe Government ofThe Hong Kong Special Administrative RegionArchitectural Services DepartmentQuantity Surveying BranchQueensway Government Offices66 QueenswwayHong Kong2017 EDITION (2nd Revision)
CONTENTSAIR CONDITIONING INSTALLATIONBROADCAST RECEPTION INSTALLATIONBRICKWORK AND BLOCKWORKCOMPRESSED AIR SYSTEMCONCRETE WORKSDEMOLITIONS AND ALTERATIONSDIESEL GENERATING SETS INSTALLATIONDRAINAGEDIAPHRAGM WALLINGELECTRICAL INSTALLATIONEXCAVATIONEXTERNAL WORKSFIRE SERVICE INSTALLATIONFUEL SUPPLY SYSTEMGLAZINGIRONMONGERYLANDSCAPINGLIQUEFIED PETROLEUM GAS INSTALLATIONMEDICAL GAS INSTALLATIONPAINTINGPILING AND CAISSONSPLASTERING AND PAVINGPLUMBING INSTALLATIONROOF TILINGSTEEL AND METAL WORKSSANITARY FITTINGS AND ABOVE GROUND DRAINAGE SYSTEMSSTEAM BOILER SYSTEMSTONE WORKSLOW VOLTAGE CUBICLE SWITCHBOARDS INSTALLATIONSWIMMING POOL WATER TREATMENT INSTALLATIONUNDERPINNINGUNINTERRUPTIBLE POWER SUPPLY SYSTEMWOOD WORKSWATERPROOFING.AC/ 1 - 57BCRI/ 1 - 5BWK/ 1 - 6CAS/ 1 - 5CONC/ 1 - 18DEM/ 1 - 7DGSI/ 1 - 4DRAIN/ 1 - 12DW/ 1 - 3EE/ 1 - 41EXC/ 1 - 8EXT/ 1 - 26FS/ 1 - 24FUEL/ 1 - 5GLAZ/ 1 - 4IRON/ 1 - 10LANDS/ 1 - 7LPG/ 1 - 6MG/ 1 - 10PAINT/ 1 - 12PIL/ 1 - 27PLAST/ 1 - 14PLUMB/ 1 - 11ROOF/ 1 - 1S&M/ 1 - 42SANITARY/ 1 - 13SBS/ 1 - 7STONE/ 1 - 6SWBI/ 1 - 7SWIM/ 1 - 10UPIN/ 1 - 11UPSS/ 1 - 4WOOD/ 1 - 19WP/ 1 - 8
AIR CONDITIONING INSTALLATION
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISION1SECOND DIVISIONTHIRD DIVISIONFOURTH DIVISIONNOTE:1PQS should check the Contractor'sdesign responsibility for thefollowing B.Q. items and add /delete the word "design" in theFirst / Second Division below whereappropriate. Make sure that thecontractor-designed items areincluded in Clause 23 of theConditions of Contract in thePreliminaries, and prior approvalhas been obtained from an officer atD2 level or above if the concerneditems are not covered by the blanketapproval as described in theguidance note for the abovementionedClause 23.---------------------------------------------- ---------------------------------------------- ---------------------------------------------2SEA WATER CONDENSING SYSTEM1[pipework] (SM.xvii(d)2)1pipework and fittings1; internally1UPVC pipes and fittings ; BS EN ISO1; laid in2; in plant room1452-1:2009, BS EN ISO 1452-2:2009,2; embedded in3; externallyBS EN ISO 4152-3:2010, BS EN ISO3; suspended from1452-4:2009 and BS EN ISO4; fixed to1452-5:2009 or BS 3505:1986 ;5; laid onappropriate grade ; self finish1ducts2UPVC pipes and fittings ; BS EN ISO2trenches1452-1:2009, BS EN ISO 1452-2:2009,3chasesBS EN ISO 1452-3:2010, BS EN ISO4in-situ concrete or screeds1452-4:2009 ans BS EN ISO5soffits1452-5:2009 or BS 3505:1986 ;6walls and columnsappropriate grade ; protected7floorspainting against ultra violet light3ductile iron pipes and fittings ; BS---------------------------------------------EN 545:2010 ; appropriate grade ;2extra over pipwork forscrew-on flanges connection ;thickness grade of Class K12 ;metallic zinc coating with bitumenpainted externally ; internallylined with cement mortar to BS EN545:2010, BS EN 598:2007 A1:2009, BSEN 969:2009 type ? [A/B]1; solvent welded joints ;off-site pre-fabricated metalmounting and fixing brackets[UPVC -2; welded joints ; off-site3flow and return header pipes ; blankedpre-fabricated metal mountingoff at spare outletsand fixing brackets [ductile1; suspended from soffitsiron pipes]2; supporting on floors3; screwed joints ; off-sitepre-fabricated metal mountingand fixing brackets [ductileiron pipes]AC/ 1---------------------------------------------1? ----1[fittings]nr1? bends2? elbows3? branches4? reducers5? tees6? reducing bends7? reducing tees8? caps9? flanged ? diameter ; ? long ; with ? nr. ?x ? x ? branchesnrAC/ 1
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISIONSECOND DIVISIONTHIRD DIVISIONFOURTH ---- ---------------------------------------------- illaries] (SM.xvii(d)7)1[valves] (SM.xvii(d)7.1)1? diameternr1cast iron valves1gate valves2to suit ? diameter pipesnr2ductile iron valves2globe valves3stainless steel strainers3check valves4cast iron strainers4butterfly valves5carbon steel strainers5motorized control valves ; DDC6gunmetal automatic air ventscontrol7brass automatic air vents6drain -- -strainers (SM.xvii(d)7.4)1? diameternr1auto-strainers ; rotating inner drum; automatic backwash arrangement2auto-strainers ; stationary drum ;automatic backwash ------- omatic air vents]1to suit ? diameter pipesnr1automatic air vents1; non-ferrous floats and guides2; stainless steel floats andguides1; corrosion resistancevalves and 3[instrumentation] (SM.xvii(d)16)1thermometers2pressure gauges3test plugs ; complete with sealingcaps4energy meters ; complete withtemperature sensors, flow meters,flow transmitter / converter units,calculator - rmometers]1to suit ? diameter pipesnr1thermometers ; liquid immersion ;complete with thermometer pockets2[pressure gauges]1pressure gauges3[test plugs]1test plugs4[energy meters]1energy meters ; integrate with CCMS---------------------------------------------- ---------------------------------------------- ---------------------------------------------4sea water cooling towers (SM.xvii(b)2)1cooling towers1heat rejection capacity ? kW (ref.1; glass reinforced plastics (GRP)1; induced draught fans ; axial type?)nrcasings and removable covers ; fan2; forced draught fans ; axial typemotors ; self-extinguishing PVC fill; AISI 316 stainless steel supportstructures, fan guards ; gear boxes,bleed-off pipes, switches andnecessary components ; adequateacoustic treatment ; certified byCooling Tower Institute2; complying statutory noise - ---------------------------------------------- ---------------------------------------------AC/ 2AC/ 2
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISIONSECOND DIVISIONTHIRD DIVISIONFOURTH DIVISION511condenser water pump sets ; directdriven by electric motors ; cast ironvolute split casings (SM.xvii(b)9)1; stuffing boxes ; mechanical seal2; stuffing boxes ; approved packingand bronze lantern ring water seal3; complying statutory noise limitsea water pump sets ; centrifugal type1; water temperature greater than 28degrees --- ---------------------------------------------- ING WATER CONDENSING SYSTEM1[pipework] (SM.xvii(d)2)1pipework and fittings1; internally1UPVC pipes and fittings ; BS EN ISO1; laid in2; in plant room1452-1:2009, BS EN ISO 1452-2:2009,2; embedded in3; externallyBS EN ISO 1452-3:2010, BS EN ISO3; suspended from1452-4:2009 and BS EN ISO4; fixed to1452-5:2009 or BS 3505:1986 ;5; laid onappropriate grade ; self finish1ducts2UPVC pipes and fittings ; BS EN ISO2trenches1452-1:2009, BS EN ISO 1452-2:2009,3chasesBS EN ISO 1452-3:2010, BS EN ISO4in-situ concrete or screeds1452-4:2009 and BS EN ISO5soffits1452-5:2009 or BS 3505:1986 ;6walls and columnsappropriate grade ; protected7floorspainting against ultra violet light3steel pipes and fittings ; :1981 / BS EN 10255:2004 (medium2extra over pipework forgrade) ; galvanised4ductile iron pipes and fittings ; BSEN 545:2010 ; appropriate grade ;screw-on flanges connection ;thickness grade of Class K12 ;metallic zinc coating with bitumenpainted externally ; internallylined with cement mortar to BS EN545:2010, BS EN 598:2007 A1:2009, BSEN 969:2009 type ? [A/B]5steel pipes and fittings ; ISO9330-1 to ISO 9330-3 / BS EN 10217-1to BS EN 10217-7 with wall thicknessnot less than 6 ; painted -----1; solvent welded joints ;3flow and return header pipes ; blankedoff-site pre-fabricated metaloff at spare outletsmounting and fixing brackets1; suspended from soffits[UPVC pipes]2; supporting on floors2; welded joints ; off-sitepre-fabricated metal mountingand fixing brackets [ductileiron pipes, steel pipes]3; screwed joints ; off-sitepre-fabricated metal mountingand fixing brackets [ductileiron pipes, steel pipes]water flow rate ? l/s ;differential static pressure ? kPa(ref. ? ----1[fittings]nr1? bends2? elbows3? branches4? reducers5? tees6? reducing bends7? reducing tees8? caps9? flanged ends10 ? flanges [for 65 size andabove steel pipes connectingto an -----1? diameter ; ? long ; with ? nr. ?x ? x ? ------ ---------------------------------------------- illaries] (SM.xvii(d)7)1[valves] (SM.xvii(d)7.1)1? diameternrAC/ 3AC/ 3
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISIONSECOND DIVISION1234567891011cast gunmetal valvesbronze valvescast iron valvesbrass cast iron valvesductile iron valvesgunmetal strainersbronze strainerscast iron strainersductile iron strainersgunmetal automatic air ventsbrass automatic air ventsTHIRD DIVISION123456gate valvesglobe valvescheck valvesbutterfly valvesmotorized control valves ; DDCcontroldrain valvesFOURTH DIVISION2to suit ? diameter --- ainers] (SM.xvii(d)7.4)1? diameternr1strainers1; single type2; double type---------------------------------------------- omatic air vents]1to suit ? diameter pipesnr1automatic air vents1; non-ferrous floats and guides2; stainless steel floats andguides1; corrosion resistancevalves and 3[instrumentation] (SM.xvii(d)16)1thermometers2pressure gauges3test plugs ; complete with sealingcaps4energy meters ; complete withtemperature sensors, flow meters,flow transmitter / converter units,calculator - rmometers]1to suit ? diameter pipesnr1thermometers ; liquid immersion ;complete with thermometer pockets2[pressure gauges]1pressure gauges3[test plugs]1test plugs4[energy meters]1energy meters ; integrate with CCMS---------------------------------------------- ---------------------------------------------- h water cooling towers (SM.xvii(b)2)1cooling towers1heat rejection capacity ? kW (ref.1; glass reinforced plastics (GRP)1; induced draught fans ; axial type?)nrcasings and removable covers ; fan2; forced draught fans ; axial typemotros ; self-extinguishing PVC fill; AISI 316 stainless steel supportstructures, fan guards ; gear boxes,bleed-off pipes, switches andnecessary components ; adequateacoustic treatment ; certified byCooling Tower Institute2; complying statutory noise - ---------------------------------------------- enser water pump sets ; direct1fresh water pump sets1water flow rate ? l/s ;driven by electric motros ; cast iron1; centrifugal typedifferential static pressure ? kPacasings (SM.xvii(b)9)2; end suction type(ref. ?)nrAC/ 4AC/ 4
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISIONSECOND DIVISION123; stuffing boxes ; mechanical seal; stuffing boxes ; approved packingand bronze lantern ring water seal; complying statutory noise limitTHIRD DIVISION3FOURTH DIVISION; vertical spindle type centrifugalpump with end suction at the bottom1; water temperature greater than28 degrees --- ---------------------------------------------- LED WATER SYSTEM1[pipework] (SM.xvii(d)2)1pipework and fittings1; internally2design, supply and install [pipework]1; laid in2; in plant room(SM.xvii(d)2)2; embedded in3; externally3; suspended fromFor nos 1 to 2 above4; fixed to1steel pipes and fittings ; ISO5; laid on65:1981 / BS EN 10255:2004 (medium1ductsgrade) ; painted externally2trenches2steel pipes and fittings ; ISO3chases9330-1 to ISO 9330-3 / BS EN 10217-14in-situ concrete or screedsto BS EN 10217-7 with wall thickness5soffitsnot less than 6 ; painted externally6walls and columns1; welded joints ; off-site7floorspre-fabricated metal mountingand fixing ---2; screwed joints ; off-site2extra over pipework forpre-fabricated metal mountingand fixing brackets3; ? joints, pre-insulated with ?thick, ? insulation, ? kg/m3density, Class "O" fire rating1; covered with ? thickgalvanized steel jacket /cladding2; covered with ? thickaluminum jacket / cladding3; covered with ? thickstainless steel jacket ----3flow and return header pipes ; blankedoff at spare outlets (SM.xvii(d)10)1; suspended from soffits2; supporting on -1? diameterm2? diameter ; pre-insulatedm3? diameter ; pre-insulated --------1[fittings]nr1? bends2? elbows3? branches4? reducers5? tees6? reducing bends7? reducing tees8? caps9? flanged ends10 ? flanges [for 65 size andabove steel pipes connectingto an -----1? diameter ; ? long ; with ? nr. ?x ? x ? ------ ---------------------------------------------- illaries] (SM.xvii(d)7)1[valves] (SM.xvii(d)7.1)1? diameternr4design, supply and install [ancillaries]1gate valves2to suit ? diameter pipesnr(SM.xvii(d)7)2globe valves3check valvesFor nos 3 to 4 above4butterfly valves1cast gunmetal valves5ball float valves2bronze valves6pressure reducing valves3cast iron valves7motorized control valves ; DDC4brass cast iron valvescontrol5ductile iron valves8balancing valves6malleable iron valves9double regulating valves7flow meters10 drain valvesAC/ 5AC/ 5
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISIONSECOND DIVISION8910111213gunmetal strainersbronze strainerscast iron strainersductice iron strainersgunmetal automatic air ventsbrass automatic air vents1pre-insulated with ? thick, ?insulation, ? kg/m3 density,rigid preformed 'oversize'section, Class "O" fire rating1; covered with ? thickgalvanized steel split boxes2; covered with ? thickaluminum split boxes3; covered with ? thickstainless steel split boxesTHIRD DIVISIONFOURTH ---- w meters] (SM.xvii(d)7.2)1to suit ? diameter pipesnr1flow meters ; BS EN 61000-6-1:2007,BS EN 61000-6-2:2005, BS EN61000-6-3:2007 A1:2011 and BS EN61000-6-4:2007 ; direct reading type; complete with flow sensors ;integral signal converter /transmitter, digital display unit1; electromagnetic and ------ ainers] (SM.xvii(d)7.4)1? diameternr1strainers1; single type2; double type---------------------------------------------- omatic air vents]1to suit ? diameter pipesnr1automatic air vents1; non-ferrous floats and guides2; stainless steel floats andguides1; corrosion resistancevalves and - ---------------------------------------------- nsion joints (SM.xvii(d)9)1bellow expansion joints1? diameternr1; stainless steel1; axial movement pattern type2to suit ? diameter pipesnr2; angular or lateral movementpattern typeFor nos 1 to 2 above1; complete with ? ------ ---------------------------------------------- trumentation] (SM.xvii(d)16)1[thermometers]1to suit ? diameter pipesnr7design, supply and install1[thermometers][instrumentation] (SM.xvii(d)16)1; liquid immersion ; completewith thermometer pocketsFor nos 6 to 7 above2; air immersion ; complete with1thermometerssealing plugs and test holes2pressure gauges3test plugs ; complete with sealing2[pressure gauges]caps1pressure gauges4energy meters ; complete withtemperature sensors, flow meters,3[test plugs]flow transmitter / converter units,1test plugscalculator units4[energy meters]1energy meters ; integrate with CCMS---------------------------------------------- ---------------------------------------------- ework insulation] (SM.XVii(g)2)1? thick ; fixing externally to pipework1? diameterm9design, supply and install [pipeworkand fittingsinsulation] (SM.XVii(g)2)AC/ 6AC/ 6
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISIONSECOND DIVISIONTHIRD DIVISIONFOURTH DIVISIONFor nos 8 to 9 above1CFC and HCFC free phenolic foaminsulation ; rigid preformed section; Class "O" fire rating ; factoryapplied double sided reinforced foilvapour barrier ; fixing withapproved adhesive2polystyrene insulation ; preformedor slab ; Class "O" fire rating ;non-self combustible ; ? vapourbarrier ; fixing with ------------ a over ? thick insulation to1[fittings]nrpipework for1? bends2? elbows3? branches4? reducers5? tees6? reducing bends7? reducing tees8? caps9? flanged ends---------------------------------------------- ---------------------------------------------3? thick ; fixing externally to flow and1? diameter ; ? long ; with ? nr. ?return header pipes (SM.xvii(d)10)x ? x ? ------ ---------------------------------------------- ---------------------------------------------10 [ancillaries insulation] (SM.xvii(g)2)1? thick ; to valves (SM.xvii(g)5.1)1[valves]nr11 design, supply and install [ancillaries1? gate valvesinsulation] (SM.xvii(g)2)2? globe valves3? check valvesFor nos 10 to 11 above4? butterfly valves1CFC and HCFC free phenolic foam5? pressure reducing valvesinsulation ; rigid preformed6? motorized control valves'oversize' section ; Class "O" fire7? balancing valvesrating ; factory applied double8? double regulating valvessided reinforced foil vapour barrier9? drain valves; fixing with approved adhesive2polystyrene insulation ; ----- ---------------------------------------------or slab ; Class "O" fire rating ;2? thick ; to strainers (SM.xvii(g)5.2)1[strainers]nrnon-self combustible ; ? vapour1? strainersbarrier ; fixing with approved1; single typeadhesive2; double type---------------------------------------------- ---------------------------------------------3? thick ; to automatic air vents1[automatic air vents]nr1? automatic air 12 protective coverings and finishings [topipework] (SM.xvii(h)2)13 design, supply and install protectivecoverings and finishings [to pipework](SM.xvii(h)2)For nos 12 to 13 above1; hammer finish aluminium claddingto CFC and HCFC free phenolic foaminsulation2; galvanised iron wire netting ;cement plastering and painting topolystyrene insulationAC/ 7---------------------------------------------- ---------------------------------------------1? thick ; fixing to ? thick insulation1? diameter ----- a over ? thick protective coverings1[fittings]nrand finishings to ? thick insulation for1? bends2? elbows3? branches4? reducers5? tees6? reducing bends7? reducing tees8? caps9? flanged endsAC/ 7
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISIONSECOND DIVISIONTHIRD DIVISIONFOURTH ---- ---------------------------------------------3? thick ; fixing to ? thick insulation1? diameter header pipes ; ? long ;for (SM.xvii(d)10)with ? nr. ? x ? x ? ------ ---------------------------------------------- ---------------------------------------------14 protective coverings and finishings [to1? thick ; fixing to ? thick insulation1[valves]nrpipework ancillaries] (SM.xvii(h)5)for1? gate valves15 design, supply and install protective2? globe valvescoverings and finishings [to pipework3? check valvesancillaries] (SM.xvii(h)5)4? butterfly valves5? pressure reducing valvesFor nos 14 to 15 above6? motorized control valves1; hammer finish aluminium cladded7? balancing valveshinged split boxes to CFC and HCFC8? double regulating valvesfree9? drain valves2; galvanised iron wire netting ;cement plastering and painting ;---------------------------------------------- r finish aluminium cladded2? thick ; fixing to ? thick insulation1[strainers]nrhinged split boxes to polystyrenefor1? strainersinsulation1; single type2; double type---------------------------------------------- ---------------------------------------------3? thick ; fixing to ? thick insulation1[automatic air vents]nrfor1? automatic air 16 design, supply and install[chillers/heat pumps] (SM.xvii(b)1)1packaged chillers ; ? refrigerant ;factory assembled and tested units ;ARI Standard 550/590(I-P/2018) ; BSEN 14511-1:2018 to BS EN14511-4:20181; reciprocating type compressors2; centrifugal type compressors3; screw type compressors4; scroll type compressors1; condensers ; motors ;evaporators ; electronic /microcomputer control panel; piping connections ;adequate acoustic treatment; insulations ; all sensingdevices, accessories andassociated services2; refrigerant leakagewarning alarm [in plantroom]3; complying statutory ------ water cooled chillers1cooling capacity ? kW (ref. ?)nr2fresh water cooled chillers2cooling capacity ? kW and heating3air-cooled chillerscapacity ? kW (ref. ?)nr4ammonia chillers ; pressure reliefdevice and safety switches5heat pumps ; air-to-water6heat pumps ; ---------- ---------------------------------------------- ---------------------------------------------17 design, supply and install [chillers]1water-cooled chillers1cooling capacity ? kW (ref. ?)nrAC/ 8AC/ 8
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISIONSECOND DIVISION1packaged chillers ; ? refrigerant ;factory assembled and tested units ;ARI Standard 550/590(I-P/2018) ; BSEN 14511-1:2018 to BS EN14511-4:20181; oil-free ; semi-hermetic ;variable speed ; two-stagecentrifugal type compressors1; condensers ; permanentmagnet synchronous motorswith integrated liquidrefrigerant injection systemfor cooling ; evaporators ;electronic / microcomputercontrol panel ; pipingconnections ; adequateacoustic treatment ;insulations ; sensingdevices, accessories andassociated services ; all asspecified in the ParticularSpecification2; complying statutory noiselimitTHIRD DIVISION2FOURTH DIVISIONair-cooled ---- ---------------------------------------------- ---------------------------------------------18 design, supply and install heat recovery1heat recovery chillers1cooling capacity ? kW and heatingchillers ; ? refrigerant ; factorycapacity ? kW (ref. ?)nrassembled and tested unit ;1shell-and-tube type heat recoverycondenser and condensing units,three-way modulation valve andreceivers2plate type heat recovery condenserand condensing units, three-waymodulation valve and receivers(SM.xvii(b)1)1; refrigerant leakage warningalarm [in plant room]2; complying statutory ------ ---------------------------------------------- ---------------------------------------------19 design, supply and install emergency1emergency discharge system1? capacityitemdischarge system for ammonia chillers ;discharge ; pipework and fittings ;termination diffusers ; lockable andlabelled control ductwork1; all associated cables and cablingfacilities ; detection devices ; allnecessary accessories ---------- ---------------------------------------------- ---------------------------------------------AC/ 9AC/ 9
AC - AIR CONDITIONING INSTALLATIONFIRST DIVISIONSECOND DIVISIONTHIRD DIVISIONFOURTH DIVISION2011design, supply and install emergencyapparatus sets ; FSD approved typerespirators and protective clothing ;First Aid Kit ; portable ammoniadetector 10-1500 ppmemergency apparatus sets1; housed in waterproof stainlesssteel cabinetfor ammonia chiller ------ ---------------------------------------------- ---------------------------------------------21 [expansion tank] (SM.xvii(b)7)1expansion tanks1? litresnr1galvanised mild steel ; BS1; on roof417-2:1987 : Grade A ; welded orriveted ; feed and expansion tank ;adequate insulation with protectivecoverings and finishings2pressed steel sectional feed andexpansion tank ; BS 1564:1975 ;heavily galvanised ; adequateinsulation with protective coveringsand finishings1; complete with valves, drainfacilites, overflow pipes,accessories and ------- ---------------------------------------------- ---------------------------------------------22 chilled water pump sets (SM.xvii(b)9)1chilled water pump sets1water flow rate ? l/s ;23 design, supply and install chilled water1; centrifugal typedifferential static pressure ? kPapump sets (SM.xvii(b)9)2; end suction type(ref. ?)nr3; vertical spindle type centrifugal2water flow rate ? l/s ;For nos 22 to 23 abovepump with end suction at the bottomdifferential static pressure ?1; direct driven by electric motors ;4; heat recovery water circulationhead of water to suit the completecast iron casingspump setssystem (ref. ?)nr1; stuffing boxes ; mechanical1; water temperature greater thanseal28 degrees Celsius2; stuffing boxes ; approvedpacking and bronze lantern ringwater seal3; complying statutory noiselimit1; adequate ------- ---------------------------------------------- ---------------------------------------------24 submersible bore well pump sets1submersible bore well pump sets ; hung1water flow rate ? l/s ;(SM.xvii(b)9)from pit coverdifferential static pressure ? kPa1; close-coupled, vertical(ref. ?)nrmulti-stage centrifugal type watertight construction ; stainless steel; grade ? [304/316] ; perforatedstrainers ; water lubricatedbearings ; automatic cut-out --------- ---------------------------------------------- ---------------------------------------------25 sump pump sets (SM.xvii(b)9)1sump pump sets1water flow rate ? l/s ;1; vertical centrifugal type ; double1; installed in flammable zonesdifferential static pressure ? kPamechanical shaft seal ; submersible(ref. ?)nrAC/ 10AC/ 10
AC - AIR CONDITIONING INSTALLATI
4 sea water cooling towers (SM.xvii(b)2) 1 cooling towers. 1 heat rejection capacity ? kW (ref. . Cooling Tower Institute. 2 ; complying statutory noise limit----- ----- 5 condenser water pump sets ; direct 1 fresh water pump sets. 1 water flow rate ? l/s ; driven by electric motros ; cast iron .
