Tender For New/ Miscellaneous Work At Various Sports Complexes Under Ce (Project)Sub Head :Sitc Of Hvac System In Badminton Court At Rohini Sports Complex); 1 Supply, installation, testing and commissioning of following capacity Air-Cooled , Scroll Chiller package complete with VFD(Variable FrequencyDrive),hermetic/semihermetic,multiple scroll type compressors each with step less capacity control of 25 % to 100 % of the rated capacity, with microprocessor based control panel, motor, starter panel (VFD), machine mounted, air- cooled condensers, factory fitted chiller insulation, water flow switch , vibration spring Isolators, victaulic couplings, integral refrigerant piping and wiring with single/ two circuits, automatic and safety controls mounted in central console panel and all mounted on a steel frame(complete as per specifications) i/c suitable foundation/mounting structure made of RCC/MS Structure i/c anti corosive paint, anti vibration pad, power control cable and connection inter connection etc. as per design approved by engineer-in-charge. Motor shall be suitable for 415±10% 50 cycles. 3 phase AC supply. Refrigerant gas used shall be R-410A. The chiller shall be Building Management System (BMS) compatible.The system shall be in confirmation to IS :16590 and CPWD Specification as amended upto date. BEE Star labeling and CPWD Specification as amended upto date and tested as per IS 16590. Chilled water Leaving Temp. (6.67 deg. C) Chilled water Entering Temp. (12.2 deg. C) Evaporator fouling factor = 0.018 m2. 0C/kW Condenser air entering temp. : As per Site Dry Bulb Temperature Suitable for Seismic Zone and Altitude as per location/site.Microprocessor based controller. 51 TR - 70 TR BEE 4 Star 2 Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications 3 BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water circulation as specified i) 80 mm dia 4 NON - RETURN VALVE with duel plate of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled water circulation including insulation as specified i) 80 mm dia 5 Providing and fixing in position the industrial type pressure gauges with gun metal / brass valves complete as required 6 Providing & fixing in position the mercury in glass industrial type thermometers. 7 SITC of Flexible bellows 80mm dia complete connection & testing etc as required. 8 BALANCING VALVE WITH BUILT IN MEASURING FACILITY with C I body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressurerating for chilledwater circulation as specified i)80 mm dia 9 STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled water circulation including insulation as specified.i) 80mm dia 10 SITC ofFlow Switch complete connection & testing etc as required. 11 SITC of 3 Way Valve with actuator and digital thermostatcomplete connection & testing etc as required. 12 Supply, installation , testing , commissioning of Chilled water Circulation Horizontal pumps MOC: C.I Casing with S.S Impeller and shaft as suitable of following capacity,(1W+1S)complete testing etc as required.Flow- 132 GPM, Head 25 13 INSULATED CHILLED WATER PIPING (expanded polystreneinsulation) Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping plumbing inside the building (with necessary clamps, vibration isolators andfittings but excluding valves, strainers, gauges etc.) duly insulated with fire retardant quality expanded polystrenemoulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500gpolythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofingfeltstrip(as per IS:1322 as amended up to date ) at joints repairing of damage to building etc. as per specifications andas required complete in all respect. Note:-The Pipes of sizes 150mm & below shall be M.S. C class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, fromminimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia.and from minimum 7mm thick MS sheet for pipes of 400 mmdia and above. 14 80 mm dia (50mm thick insulation) 15 65 mm dia (50mm thick insulation) 16 25 mm dia (50mm thick insulation) 17 Fabrication and installation ofControl panel for controlling of 1 no of Chillers 2 No. circulation pumps system.Electrical Panel a)Panel-1 (Plant Room Panel) Incoming:160 Amp 4-Pole MCCB, 25kA with thermalmagnetic basedO/L, S/Cand E/Freleases. Multifunction meter and 160/5A, CL-1, 10VA CTs and 2A control MCB. Sets of phase indicating lamps with 2A control MCBs.Bus Bars:200A, TPN Aluminium,colour coded busbars suitablefor 415V,50Hz. (Afterderation)Bus Coupler:160Amp4-PoleMCCB, withthermalmagneticbasedO/L,S/CandE/Freleases.Outgoing: (a) 1 Nos-4 Pole MCCBs 100 A Starters: DOL/Star Delta Starter of following rating with Auto/ Manual selector switch, MPCB/MCCB, over load relay, single phasing preventor, ON/OFF/ Trip indication lamps,Ammeters with CTs, ON/OFF push Buttons, contractor and suitable No. of Potential free contacts for remote / local operations, indication, interlocking with Fire Alarm panel and Building Management system. (Starter shall have MPCB/MCCB in the incomer as per type -2 coordination forfuseless type feeders.)i)4 Nos. 2.0 kW DOLStarter ii) 2 Nos. 7.5 kW DOLStarter iii) 2 Nos. 1.1 kW DOLStarter. Note: 1) Provision for VFD shall be provided in the starter panels. 18 Providing and laying CABLING for the system i/c connection, testing & end terminitionetc as required. 19 4core 25 sq mm armourd copper cable 20 3core 6 sq mm armourd copper cable 21 Supply, Installation, Testing and commissioning of factory built floor mounted chilled water double skin type horizontal/verticalair handling units in confirmation to IS 18794 : 2024 made of 25mm thick panels consisting of pre plasticized G.I. casing ofthickness 0.8mm outside layer and 0.8 mm inside layer with polyurethane foam (PUF) insulation factory injected betweenthem by injection moulding machine, complete with blowersection with blower suitable for static pressure as required, minimum 2 bend GSS/PVC eliminators,cooling coil section with aluminium finned copper tubes (tubes thickness not less than 0.5mm) cooling coil of 6 row deep, filter section with 50mmthick metal viscous/ washable synthetic type air prefilters, belt drive package with TEFC drive motor of efficiency class IE3suitable for 415 ± 10% volts, 50Hz, 3 Phase AC supply suitably designed for varialbe frequency drive applications,drain connections, stainless steel (18G) drain pan with PUF insulation, 150 mm dia. dial type pressure gauges (2 nos.)andindustrial type thermometers (2 nos.) at the inlet and outlet of coil, auto purge valve wherever required, necessary vibrationisolation arrangement etc. complete as per specification and of following capacities. 22 30 TRnominal capacity-12000CFM i.e 20400CMH 23 Sheet Metal Duct:Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports bends, transitions,reducers, end caps, collars etc as required complete in all respect in confirmation with IS : 655 and approved drawings and specifications of following sheet thickness complete asrequired. 24 Thickness 0.63 mm sheet 25 Thickness 0.80 mm sheet 26 Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets,nuts, bolts, screws linkages, flanges etc in confirmation to SMACNA/IS and as per specifications complete etc. asrequired. 27 Supply and Fixing installation, testing and commissioning of powder coated extruded aluminium Supply Air Grills withaluminium volume control dampers in confirmation to SMACNA/IS and as per specifications complete etc. as required. 28 Supplying & fixing of powder coated extruded aluminiumReturn Air Grills with louvers but without volume control dampers complete in confirmation to SMACNA/IS and as per specifications complete etc. as required. 29 Supplying, fabricating, installing and testing of fire retardent double Canvas Flexible Connection 150mm widefor constructed of Silicone Coated (Both Side) Fiberglass Cloth material as per the drawings/specifications. 30 Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class O) insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulationcomplete as per specifications and as required. 31 19mm 32 Supplying,installing,testingand commissioningof MIld Steel PRESSURISED WATEREXPANSIONTANKsuitablefor total volumeof water in chilled water circuit along with necessary accessoriessuch as centrifugalair separator,1 No.. pumps and its accesaries, 1 No. pressure switches,1 No. connectionsto chilled water pump header with isolation valve etc in order to keep chilledwater system under pressureand to prevent entrapmentof pressure and to prevententrapmentof airin the system.The tank shall be pre-chargedsteel expansiontank with replaceable heavy duty butyl rubber bladder. The tank shall have 50mmsystem connection and 20 mm drain and charging valve connectionto facilitatethe on site charging of the tank to meet system requirement.The tank shall be fitted with lifting rings and a floor mounting skirt for vertical installation.The tank must be constructedin accordancewith section VIII of the ASME Boiler and pressurevessel code and stamped125 PSI workingpressure.The completesystem shall be sourcedfrom single manufacturerand supplied and installed with all accessories and safety fixtures required for proper functioning of the complete hydronic system. Tank should be insulated with minimum 32 mm thick Nitrile Rubber Insulation & minimum 26 G Aluminium Cladding.Note : Two Expansion Tank pump should be connection with 2 Pumps (1W+ 1S) The capacity of tank given below is the minimum indicated. However, contractor shall calculate the total volume of water and submit the expansion tank of suitable size 33 100 ltr capacity 34 SITC of PVC makeup tank (100 LTR)with water connaction & 32 mm thick nitirile rubber Insulation with wather proof coating.
