supply, installation, testing and commissioning of 100 nos. of water cooler with ro uv system at sangam vihar assembly constituency ( ac-49 ) . , supply, installation, testing & commissioning of ro+uv based water purifier cum cooler in single unit including seven stage purifier system & s.s. body & s.s. storage tank with storage capacity 80 ltrs. cooling capacity of the water cooler ( litres / hour ) 60, number of faucets for cold water 2. power supply 230volts+10%, 50hz, single phase. sediment purification, carbon block purification, anti-scalant purification, sediment purification, reverse osmosis membrane purification, post-carbon block filtration, uv purification, recovery ~25%, refrigerant r-134a. the equipment should be of nearest specification described. all the aspects of safe delivery & installation shall be the exclusive responsibility of the supplier / contractor which includes pvc pipes, gi pipes, accessories, power cable etc as required ( make: bluestar, voltas, aquaguard, usha, whirlpool on as approved by engineer-in-charge ) . , providing & fixing stailness steel grade 304 nameplate of area mla of size 300mm x 250mm x 2mm with screw, washer and all accessories complete.