E-NIT No.06/Light/2025-26 garmi

Supply, installation, testing and commissioning of Desert Cooler of Reputated brand at Corporation Offices.

Supply of Desert cooler stand with wheels. Stand shall be coated with 2 coats enamal paint.

Desert Cooler Specifications :- Cooler shall have electronic regulator confirming to IS:11037/84. A rotary type 4/5 positions switch having marking off, low, mid, high. Separate switches shall be provided for pump and fan. Tank Capacity 80-100 litre, cooling area at least 200 sq ft., air throw length 30 ft. Motor Specifications :- Motor pump shall be of branded make and ISI marked in compliance of IS:996/79 . Motor pump shall have copper windings, double ball bearing . Speed 1200-1400 rpm. Operating voltage 150-270V. Efficiency atleast 73%, Class E insulation, A.C single phase 410w, 2 amp, 50hz. fan size 450mm, direction anti clock wise, propeller type A.C. ventilating fan, IS :2312 /1967. Pump Specification :- Water Pump shall be provided with proper clamping arrangement. Pump shall confirm to IS:11951/82. Body material shall be made of plastic. Flow rate atleast 50lpm, inbuilt thermal overload protection power rating 18 watt, head atleast 1.6mtr outlet size 12.7 mm. Body Specifications :- Filter panel, front grill and top of the cooler shall be made of 0.80mm GS sheet. Tank and rest of the body shall be made of 1.2mm thick GS Sheet confirming to 375 grade and IS:277/85. All internal surfaces including inside of the tank, and blades, motor body, pump, pump body and frame shall be painted with water resistant paint confirming to IS:9862/81 . Cooler shall be fitted with 4 inches width honey pad for water circulation. Internal sides of cooler shallbe painted entirely with rubber paint for leak proof and corrosion free operation. The wood wool shall be placed in the wiremash, the filter pads shall be spread uniformly over the panel and fixed with clamps to avoid sagging of the pads. The wire mash shall be galvanised and coated with water resistant paint. Note :- Contractor shall provide warranty for cooler body, motor, fan, submersible pump for atleast 1 year.