Design, fabrication, installation, testing and commissioning of HVAC system for MC-18 Project at VECC

Amount

LOCATION: VECC SALT LAKE CAMPUS.

Supply, installation, testing & commissioning of 80TR Air Cooled Scroll Chiller at VECC Bidhan Nagar for MCP-18. Safe unloading of chiller at VECC site and proper installation at foundation platform using high boom Crain with all tool tackles etc. Details as per WS-5 & Annexure-I.

Design, Supply, installation, testing & commissioning of Water Cooled Fresh Air Handling Unit (Once through AHU) at VECC. Details as per WS-5 & Annexure-I.

Design, fabrication and installation of duct heater plenum including necessary Finned heaters considering the capacity of above Air Handling Unit to maintain desired condition. Necessary control panel with instrument like Humidistat, thermostat etc. including required cabling etc. Details as per WS-5 & Annexure-I.

Design, Supply, installation, testing & commissioning of Exhaust Fan Unit at VECC with required filter section including filter (HEPA, MICRO & PRE Filters) and mechanical fire damper. Also support, PCC block, fixture, fittings etc. for proper installation. Details as per WS-5 & Annexure-I.

Supply & installation of Digital Differential Pressure Gauge (Range: 0 to 200mmwg) for monitoring pressure drop across the filter section. Including suitable cable, tube etc. as required for proper installation. Details as per WS-5 & Annexure-I.

Supply & installation of Centrifugal Pump (Head: 30-40M, Flow: 60±1% m3/hr) with induction motor including MS base plate/structure. Details as per WS-5 & Annexure-I.

Supply & installation of 500L HDPE/PVC 6 Layer Vertical Insulated Expansion Tank. Details as per WS-5 & Annexure-I.

Design, fabrication & installation of ducting made by using 22 SWG GI sheet conforming standard IS 277:2003; and fixed with MS/GI angle/rod, fastener, fixtures etc. as required for the installation as per site suited. Details as per WS-5.

Fabrication and installation of Inside Acoustic insulation of the duct with 10 mm thick Open cell elastomeric foam, based on synthetic rubber (Density: minimum 140 kg/m3, Thermal conductivity at 0°C: 0.045 W/M°K, flame spread as per Class 1) properly duct lined with suitable adhesive from inside including all type fixtures etc. required for installation. Details as per WS-5.

Supply and fixing of 12mm thick Cross linked Closed Cell polyethylene thermal insulation of the duct with metalized Aluminium foil of duct Density: 30±3 Kg/M3, Thermal conductivity at 0°C: 0.0318-0.0332 W/M°K, fire propagation as per Class ‘O’ should be properly covered the duct using suitable adhesive and aluminium tape. Proper and good looking finish. Details as per WS-5.

Design, fabrication and installation of aluminium powder coated supply grills at each supply outlet including VCD (volume control damper). VCD will be made from aluminium sheet, the frame min. 18swg thick and louvers min. 22-24 swg thick sheet. Exact size of grill will be decided as per site after the installation of AHUs and ducting. Details as per WS-5.

Supply fabrication, laying & testing of Ø 100 mm MS chilled water pipeline confirming IS1239 (heavy class) all kind of fittings and fixtures etc. and minor civil work, required for proper installation as per site suited and direction of engineer in charge. Complete thermal insulation of MS Chilled water pipeline and valves after applying cold bitumen and then CPRX adhesive compound on the surface and laying the 50mm thick Thermo-coal (Expanded Polystyrene) pipe shape (with pieces of Thermo-coal for valves) using TF quality Thermo-coal (min. 24 Kg/M³) and seal the thermocol joint using proper sealant/Hot Bitumen. Cover the pipeline with vapour barrier and chicken mesh. After this whole assembly should be smoothly plastered by 12 mm thick sand and cement (4:1) plaster, with good surface finish and suitable painting (with one coat primer and two coat first quality synthetic enamel paint of approved colour). Details as per WS-5.

Supply fabrication, laying & testing of Ø 80 mm MS chilled water pipeline confirming IS1239 (heavy class) all kind of fittings and fixtures etc. and minor civil work, required for proper installation as per site suited and direction of engineer in charge. Complete thermal insulation of MS Chilled water pipeline and valves after applying cold bitumen and then CPRX adhesive compound on the surface and laying the 50mm thick Thermo-coal (Expanded Polystyrene) pipe shape (with pieces of Thermo-coal for valves) using TF quality Thermo-coal (min. 24 Kg/M³) and seal the thermocol joint using proper sealant/Hot Bitumen. Cover the pipeline with vapour barrier and chicken mesh. After this whole assembly should be smoothly plastered by 12 mm thick sand and cement (4:1) plaster, with good surface finish and suitable painting (with one coat primer and two coat first quality synthetic enamel paint of approved colour). Laying of 80 mm pipeline will be at a height of approx. 13 m from the ground, so proper scaffolding may be required for laying & fabrication of Pipe. Details as per WS-5.

Supply fabrication, laying & testing of Ø 50 mm MS chilled water pipeline confirming IS1239 (heavy class) all kind of fittings and fixtures etc. and minor civil work, required for proper installation as per site suited and direction of engineer in charge. Complete thermal insulation of MS Chilled water pipeline and valves after applying cold bitumen and then CPRX adhesive compound on the surface and laying the 50mm thick Thermo-coal (Expanded Polystyrene) pipe shape (with pieces of Thermo-coal for valves) using TF quality Thermo-coal (min. 24 Kg/M³) and seal the thermocol joint using proper sealant/Hot Bitumen. Cover the pipeline with vapour barrier and chicken mesh. After this whole assembly should be smoothly plastered by 12 mm thick sand and cement (4:1) plaster, with good surface finish and suitable painting (with one coat primer and two coat first quality synthetic enamel paint of approved colour). Details as per WS-5.

Supply & installation of Magnetic flow meter Ø 100 mm flange connection type capable to measure flow in range 0-100 M3/hr. with flow indicator to be installed at the outlet pipeline of the chiller including all required fittings, flanges etc. Details as per WS-5 & Annexure-I.

Supply & installation of Differential Pressure Switch suitable for chiller inlet and outlet chilled water line including all fittings and required material, cable etc. for interlocking with chiller (in case of no/low flow).

Supply & installation of Ø 100mm of flange type C.I/C.S Plug valve (BST D) including female flanges etc. required for installation. Details as per WS-5 & Annexure-I.

Supply & installation of Ø 80mm of flange type C.I/C.S Plug valve (BST D) including female flanges etc. required for installation. Details as per WS-5 & Annexure-I.

Supply & installation of Ø 100mm of flange type C.S Globe valve (Class 150) including female flanges etc. required for installation. Details as per WS-5 & Annexure-I.

Supply & installation of Ø 50mm of flange type C.S Globe valve ((Class 150) including female flanges etc. required for installation. Details as per WS-5 & Annexure-I.

Supply & installation of Ø 80mm of flange type C.I/C.S Non Return Vavle ((Class 125) including female flanges etc. required for installation. Details as per WS-5 & Annexure-I.

Supply & installation of Ø 100mm of flange type C.I/C.S Y Strainer ((Class 125) including female flanges etc. required for installation. Details as per WS-5 & Annexure-I.

Supply & installation of Ø 80mm of flange type SS Ball Valve (Class 150) including female flanges etc. required for installation. Details as per WS-5 & Annexure-I.

Supply & installation of Ø 50mm of flange type SS Ball Valve (Class 150) including female flanges etc. required for installation. Details as per WS-5 & Annexure-I.

Supply & installation of 3/8-inch Pressure gauges (satisfying 0 to 7 Kg/cm2) 60-100 mm dial type with SS 304 Ball Valve including all fittings etc. required for installation. Details as per WS-5 & Annexure-I.

Supply & installation of 3/8-inch Temperature gauges (satisfying 0 to 30°C) 60-100 mm dial type with SS 304 Ball Valve including all fittings etc. required for installation. Details as per WS-5 & Annexure-I.

Supply of 12 mm SS ball valve with all fittings required for proper installation of drain point and purging point. Details as per WS-5 & Annexure-I.

Design, Manufacture, testing, delivery to site at roof top, installation, testing and commissioning at site of LT switchgear panel. This panel will be common for Chiller, AHU, Strip Heater, Exhaust Fan, Pump motor. It shall be fabricated from MS CRCA sheet of 2 mm thick for load bearing panel wall and 1.6 mm thick for non-load bearing panel wall, cubicle, extensible type, totally enclosed, double door with double enclosure, dust and vermin proof with IP 55 protection with hinged and lockable doors with closed type panel keys. The panel shall be suitable for 415 volts, 630A, 36KA (1 Sec), 3 phase & neutral 50 Hz system. All live accessible parts shall be shrouded and all equipment shall be finger touch proof. DMC shrouds and bus bar supports shall be used. Detail specification as per WS-5 & Annexure-I.

Supply, Laying and termination of 150 Sq.mm, 1.1KV grade, 1C, Copper, XLPE insulated, PVC Type-2 FRLSH outer sheath, multi strand flexible cable with suitable GI perforated cable tray of 3mm thick and 50x6 mm GI earth strip on both sides of the cable tray: Details as per WS-5 & Annexure-I.

Supply, Laying and termination of 4 Sq.mm, 1.1KV grade, 3C, Copper, XLPE insulated, PVC Type-2 inner sheath, PVC Type-2 FRLSH outer sheath, multi strand flexible cable with suitable GI perforated cable tray of 3mm thick and 50x6 mm GI earth strip on both sides of the cable tray: Details as per WS-5 & Annexure-I.

Supply and fixing Ø 40 mm hard drain pipeline using the UPVC pipelines and fittings conforming to ASTM D1785 or equivalent Indian standard, Schedule 40. Making a syphon (U trap) just outside of the AHU drain point including proper routing, fixing (required fixtures) etc. for installation as per requirement of site. Details as per WS-5.

Blue Star Limited (BID ID -3289428)