bouster stage:-supply and installation at site of submersible clear water pump set of all approved make such as ksb/clama /su/joinsion confirming to latest relevant bis code. the pump should be fitted with free flow impellers of suitable alloys as per bis-8034-1978 latest sunitable for lifting raw water having 6000 ppm turbidity, grease packed bearings and shaft with wound stator on motor side and with shaft protection sleeve on pump side ensuring better life for shaft confirming to bis specifications. the pump shall be directly coupled to submersible squirrel cage electrical induction motor of same make confirming to bis-9283-1979 (latest with upto date ammendments) totely dust and water proof on submirsible duly isolated from the pump by intermediate casing with double mechanical seal in oin chamber and grease packed lubricated bearings and provided with stain less steel thrust bearing plate to with stand non vertical load with minimum bear and tear. it should also be fitted with a device to take up expention on water with heating of motor. the pump should include water level guard, errection clamps, cable clips and depth gauge etc. and suitable for operation in data give.
