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| 1 | Supplying, Installation, Testing and commissioning of CKD(Knockdown condition) floor mounted chilled water double skin type horizontal/vertical air handling units in confirmation to IS 18794 : 2024 made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8mm outside layer and 0.8 mm inside layer with polyurethane foam (PUF) insulation factory injected between them by injection moulding machine, complete with blower section 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 50mm thick metal viscous/ washable synthetic type air prefilters, belt drive package with TEFC drive motor of efficiency class IE5 suitable 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.)and industrial type thermometers (2 nos.) at the inlet and outlet of coil, auto purge valve wherever required, necessary vibration isolation arrangement etc. complete as per specification of CPWD and of following capacities. (Total static pressure considered is max. 50 mm wg). Make- Systemair/ VTS/ Citizen/ Flakwood/ Carrier |
| 2 | 10,200 CMH |
| 3 | Volume control damper for duct damperMake-Systemair/ Airmaster/ Air flow |
| 4 | Electrical panel for AHUs.: Panel shall be with suitable incomer MCB / MCCB, contractors, relays, push button (On/off/reset), indicating lamps for start, stop, trip for AHUs. Panel shall have neccessary relays & contractors for BMS application, auto manual switches with interlock. Make- Thitanix/ EAP/ Genpower |
| 5 | Power and Control Cable:Copper Cables for power and control of AHU |
| 6 | MS perforated cable tray Hot Dipped Galvanized 100 X 50 X 1.6 mm |
| 7 | Flexible canvas connection |
| 8 | 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, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above. |
| 9 | M.S. Pipe 65mm dia |
| 10 | M.S. Pipe 50mm dia |
| 11 | Chilled Water Pipe Insulation of 38mm(19+19) thick Nitrile rubber insulation for chilled water pipe finished with 26 G Aluminium caldding . |
| 12 | BUTTERFLY VALVE (MANUAL) with C I body SS disc nitrile sheet & O - ring & PN 16 pressure rating as specified. |
| 13 | 50 mm dia. |
| 14 | 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 pressure rating for chilled / hot water circulation as specified. |
| 15 | 50 mm dia. |
| 16 | Providing & fixing in position industrial type mercurythermometers complete etc. as required. |
| 17 | Providing and fixing in position industrial type pressuregauges with gun metal / brass valves complete etc. asrequired. |
| 18 | Automatic airvent in brass construction in pn-16 rating..Size-25mm |
| 19 | Electronic, self-balancing, pressure independent type dynamic balancing valve with integrated 3 way modualating control valves in a single body, alongwith actuator as specified |
| 20 | 40mm dia |
| 21 | UPVC drain pipe for AHU drain with U trap.-40mm dia |
| 22 | MS Structure for support |
| 23 | Civil foundation of AHU Units |
| 24 | Making wall opening for passage in the wall/glass for ref & drain pipes and cables and making good of the same for all the indoor/ outdoor units. |
| 25 | BUYBACK of the existing water-cooled Package AC,Pumps, cooling tower, piping etc. Please Enable Macros to View BoQ information |
