cooler supply work in various authorized sections of municipal corporation bikaner . , 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 . contractor shall provide warranty for cooler body , motor , fan , submersible pump for atleast 1 year .