Providing and Fixing HVAC Wor in NRF Block VI under Renovation at IIT Delhi

Amount

Supply, installation, testing & commissioning of air-cooled floormounted package units with ecofriendly refrigerant having inverter scroll based compressors, indoor unit shall have multicompressor, double blower with single motor, thermostatic expansion valave, multi rows cooling coil internally grooved copper tube with aluminium fins, inbuilt safety devices for compressor protection like lp/hp protector, internal pressure cutout. enclosure shall be equiped with synthetic filter with following nominal capacity. The quoted price should be inclusive of refrigerant gas & outdoor stand corded remote controller upto the satisfaction of engineer.

16 TR 7200 CFM Inverter Package Units

Suppling, installation, testing and commissioning of following size copper refrigerant pipe wrapped with foam / polyurethene / nitrile insulation with proper saddling on wall / tray including cutting, brazing, etc. as required. [ N.B Thickness of wall of copper pipes shall be as perr recommendation of the OEM of tower AC under item no 1 above ].

Size: 7/8 inch + 1/2 inch

Supplying and laying of ISI marked CPVC pipe of 1 inch dia for draining of sweated water from AC evaporator unit including providing tee, joints, elbows, wherever necessary etc. complete as required.

Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.

Thickness 0.63 mm sheet

Thickness 0.80 mm sheet

Thickness 1.00 mm sheet

Thickness 1.25 mm sheet

Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications.

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications.

Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete as required.

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.

Actuator

Supply and fixing of acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m³, with 25 mm X 25 mm GI section of 1.25 mm thick, at 600 mm centre to centre covered with Reinforced Plastic tissue paper and 0.5 mm thick perforated aluminum sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required and as per specifications.

Supplying, fixing acoustic lining on wall and ceiling of Plant rooms with 50mm thick, density 32 kg/cu.m resin bonded glass fiber insulation friction fixed in 610mm x 610 mm frame work made of 25X50X50X50X25 mm made out of 0.6mm thick GI sheet U shaped channel and covered with reinforced fiber glass tissue and finished with 0.80 mm perforated aluminium sheet etc. complete as required and as per specifications.

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required.

100 mm width X 50 mm depth X 1.6 mm thickness

SUB HEAD – 2 (Maintenance) Optional to department for award but L1 shall be decided on total quoted rates i.e. including SITC & Maintenance

Maintenance [routine & preventive] of the air cooled package air-conditioning plant comprising of all the machinery, equipment installed in the AC Plant room and outside including condensers during the defect liability period of one year as per maintenance schedule attached at Annexure 3. 1st year (Free of cost)

Maintenance [routine, preventive and breakdown] of the air cooled package air-conditioning plant comprising of all the machinery, equipment installed in the AC Plant room and outside including condensers during the defect liability period of one year as per maintenance schedule attached at Annexure 3.

2nd year

3rd year

4th year

5th year

6th year

M/S COOLREF ENGINEERS

welcome engineers

TRANSCEND CONTRACTS PVT. LTD.