Public Works Department-PWD has published Tender For Construction Of Proposed G+3 Storied 100 Bedded Covid Hospital With Infrastructure Works In The Premises Of The Habra State General Hospital In The District Of North 24 Parganas. Supply Installation Testing And Commissioning Of Hvac System With. Submission Date for this Tender is 25-08-2023. HVAC Tenders in habra West Bengal. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Condensor Unit for16.5 TR capacity system- SITC of16.5TRCapacity Microprocessorbased aircooled Condensing Unit Eco friendly refrigerant (R 32 R410A/R407C),thermastatic expansionvalve, multiplescroll/screw compressor,arrangement foroperation with Dxtype AHU,andsuitableforoperation on 415+ / -10%Volt,50Hz, 3PHACsupplywithadequateauxilaryprotectionlikeoil heaterwith thermostatforpreventionofingressofliquidrefrigerentinthecompressorpistonchamber, overcurrent,HP/LP Cut outs,Powercontactors& controllogiccircuitfor periodicoperation of working & standbyCondenser fans, Compressors and matching condensingunits. OutdoorAircooledCondenserunitshall comprisemultirow Coppercoil withAluminiumfins andAxial fanasrequiredhousedin asheet metal chamberwith adequate ventilationasOEM standard. (Make:General/Hitachi/Voltas/Daikin/Bluestar/Carrier/MitshubishiElectric) [3W+1S] No extra shall be payablefor refrigerant gas& transportation/shifting work. |
| 2 | FloorMountedOutdoortypeAirHandlingUnit-SITCofsiteassembledtypemodulardouble skinnedconstruction withcontinuousinsulationwiththermalbreak.TheAHUenclosure"s outer&innerSkinlayerof0.6 mm or higher&outerskinhasto.be polymercoatedand insulationpanel shouldbe made of thermalbreakprofile - PUF insulationwiththickness of at least40mmorbetter. The AHUshouldhaveHeatRecoveryWheelforextrating@2100CFM staleairwiththearrangementofVCD and injectionoffreshair @1400CFMwithVCDand mixingchamberforreturnairandfreshairwith03(Three)stagefiltrationsystem(Prefilter havingefficiency(EU-4/MERV7)90%downto 10micron,FineFilterhavingefficiency99% downto3micron(MERV-14(Make-FMI/Spectrum/Thermi)andHEFA filterMERV-170.3 MicronforbothInlet& OutletincludingUV lamp of suitablerating for eachofthe air-suction &dischargeofconditionspaceaswellasinjectionoffreshairandemmissionofstaleair as perdirectionofEIC).TheAHUCoilto bewithhydrofoliccoating.TheAHUFan assembly shouldbeeithermotordirectlycoupledwithImpellerorBeltdrivenasperOEMstandard suitablefor airvelocityrange7.3-8.2ft./Secthroughthemulti-layer12mm-19mmdia CoppertubeswithAlluminiumFins(asperOEMstandard).ThereshouldbeAHUfansof Forward/BackwardCurve,withdischargenotless than6600CFM,compatablefor 415V,50 HzsupplycontinuousdutyClassIE1(MakeforFanUnit-Nicotra/ Kruger/ Caryaire) (MakeforMotor-Crompton / Kirloskar/ NEC/ ABB/ Siemens).Similararrangement should be made for HeatRecovery Wheel.External Staticpressurewill be within10- 20 mm Wg. (Make: DRI / Zeco/System Air/Edgetech) (AHRI/EUROVENT CERTIFIED) |
| 3 | Supply and fixing of UVC EMIITTERfor preventionof growth of microbes.TheminimumUVintensityinthecoilsshallbe700-800UW-SEC/CM2.Theunit shallbe UL.Listed(UL-1995)tobefittedinsideAirdistributionductingsystemwithsuitable supportarrangement,asperdirectionofEIC.(Make-PhilipsSignify/ALFAA/RULS/AERO PURE) |
| 4 | SITCofHardDrawnCopperrefrigerationpipelineof requisite diameter with 13mm thick nitrile rubber insulation for Liquid linewithCu.Brazing joints& necessary supports & brackets of different sizesinaccordancewith therequiredODU pipe size. (Make-NIPPON/HITACHI-RYOKU/MANDEV) |
| 5 | SITCofHardDrawnCopperrefrigerationpipelineof requisite diameter with 13mm thick nitrile rubber insulation for Suction linewithCu.Brazing joints& necessary supports & brackets of different sizesinaccordancewith therequiredODU pipe size. (Make-NIPPON/HITACHI-RYOKU/MANDEV) |
| 6 | Supply and fixing of necessary electrical arrangements of Air Conditioning Units, P,VC insulatedFRLSgrade Coppercable for connectionbetweeenindoorandoutdoorunits,1.1 KV grade. 7core x 1.5mm^2(Finolex/Polycab/Havells/RR Kabel) |
| 7 | 4core x 2.5mm^2 (Finolex/Polycab/Havells/RR Kabel) |
| 8 | 4core x 6mm^2 (Finolex/Polycab/Havells/RR Kabel) |
| 9 | Supply& fixingof dia UPVC drainpipes with all necessaryhanging arrangements. 32mm Dia (Make-Supereme/Oriplast/Filolex) |
| 10 | Supply&Fixingofclass-VIIIgrade(120GSM)confirmingtoIS-277 &SupplyAirduct along withnecessarysupport,flangesetc.asrequiredandasperIS- 655standardsoffollowing gauges(Make-Tata/Sail/Jindal) |
| 11 | For 20 SWG |
| 12 | For 22 SWG |
| 13 | Supplyand fixing acousticliningofsupplyairductandplenumwith10mmthickopencell Nitrilerubber(Class-O)ofdensity140Kg/cum-160Kg/cuminsulationwithcadmiumplated nuts, bolts, stick pins, CPRX compound etc. completed as per direction of EIC (Make- Accroflex/K-flex/ Armacell). |
| 14 | Supply and fixing HeatRetardantclosed cell Class"O"19mm thickNitrile Rubber insulationwithAI FoilFacedOutside Supply Air duct. (Make-Armacell/K-flex/ Accroflex) |
| 15 | Supply& Fixing ofLiner typeAI PowderCoatedContinuous Supply airGrill with VCD. (Make- Premire/ Systemair / Air Enterprise/ Caryaire) |
| 16 | Supply& Fixing of Liner type Al PowderCoatedContinuousReturn air Grill without VCD. (Make-Premire / Systemair / Air Enterprise/ Caryaire) |
| 17 | Supply&FixingofFusiableLinkFireDamper,GalvanizedSteelSheetwith125GSMZink Coated,CertifiedbyCBRI(U-555,1995)withminimumfireratingnotlessthan120min, mustbeFusiableLinkSpringwith74°cTemerature ratingU1 Listed.(Make- Greenheck/ Systemair / Air master/ Caryaire) |
| 18 | SITC of heavy duty anti vibrational padto protect thesystem from anykind of unwanted vibration. |
| 19 | Supply & Fixing of G.lCable tray 300mm x 50mmx 1.25mm |
| 20 | Supplying, fabrication &fixing03 Nos. M.S. Angle/M.Schanel of size (75mm x75 mm x 6mm)forplacing theoutdoorunit ofductable splitACincl.drilling05nosholesin eachAngleincludingcuttingholesintothewall&groutingthesame(1:1½:3)etcforAir ConditioningUnits.Supplying, fabrication& fixing 4Nos. M.S u-channelof 6mmthick of size (75mmx40 mm x40mm)&ISA50X50x6 mmformakingBaseFrametabletypefor installationof incl. drilling 2 nosholes in each channel. |
| 21 | S & Installation fabrication of 40mm high dencity thremal insulation made by cold bitumin, rain polythin cover, chicken net, sand-cement plastering with painting etc as per direction of EIC. |
| 22 | Supply&fixingcoveringtheoutdoorductwith3mmthickACPboard(MAKE-Aludecor / Urobondorothersreputedmake)incl.ALchannel&completewithlinkages,levers,fittings, supports,all accessoriesanyotheritemrequiredtomakethesystemcompletetocoverthe outdoor ducts (both return& supply)asper direction of EIC. |
| 23 | S&FofNitrilerubberinsulationceilingtopofthickness19mmwithAluminiumfoilfaced with help of Adhesive andAnchor fastener with Al. strip of 19 mm width. (Make- Accroflex/K-lex/Armacell) |
| 24 | S & F ofNon return damper incl. necessary fixing materials. |
| 25 | Supply, Installation, Testing and Commissioning of wall mounted weather proof cubical type LT distribution control panel fabricated from sheet steel comprising with following accessories incl. Internal wiring , earthing & painting. |
| 26 | a) MCCB suitable rating as incomer & outgoing as per the ratings of AHU motor and Heater & ODU. |
| 27 | b) DOL/SD starter as per HP ratings. |
| 28 | c) Terminal block for power distribution. |
| 29 | d) Contactor, auxiliary contractor, over load relay with inbuilt single phasing protection & interlocking arrangement. (AHU to ODU). |
| 30 | e) Phase indicating lights and indicating lights for ON, OFF & TRIP status. |
| 31 | f) Voltmeter, Ammeter with selector switches. |
| 32 | g) Wiring for microswitch for auto operation of fans during emergency/in case of fire and opening/closing of fire dampers. |
| 33 | h) One DC Relay for sensing Fire Detection system. |
| 34 | i) Danger Board. |
| 35 | Note 01 :Any otheritemor itemsleftout fromBOQ butessentiallyrequiredfor successful completionoftheworkmayberaisedfor inclusioninthescopeof workduringpre-bid meeting.Otherwise bidderhastoconsiderleftout itemsdeemedtobeincludedinthe scopeofwork.Biddersareadvisedtophysicallyvisitthesitein accordancewiththe buildingdrawingtobeprovidedbytheTenderInvitingAuthorityandquotetheprice -accordingly. Note 02: An Autocadd Generated Drawing has to be approved before starting of any construction & Materials to be approved by E.I.C. Note 03: The system shall be tested and commissioned by a qualified competent, trained engineer or technician authorized by the manufacturer of the fire alarm equipment to technically supervise and participate during all of the adjustments and tests for the system. Note 04:Documents that authenticates such procurement from the Manufacturer / OEM or from their authorized sales channel and standard warranty / support should be sent from the e-mail of the Manufacturer / OEM / authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution, of work/submission of bill. If any refurbished material is supplied and installed, penal action will be taken as per existing rules The defect liability period (DLP) of the aforesaid work will be for the period of THREE (03) years from date of completion. |
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