supply, installation, testing and commissioning of 73 nos. of water cooler with ro uv system at kasturba nagar assembly constituency ( ac-42 ) , supplying and installation of ro+uv based water purifier cum cooler in single unit of make bluestar, voltas, aquaguard, usha, whirlpool, ion exchange, sidwal & godrej with storage capacity 80 ltrs. cooling capacity of the water cooler ( litres / hour ) 60. no 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. the name plate of area mla of size 25cmx15cmx2mm is to be fixed as per instruction of engineer in charge. 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.