supply of miscellaneous materials for maintenance of different major rli scheme under berhampore (a-m) sub-division , 150mm dia c.i. nipple/ tail piece (with flange adopter)x one side grooved and other end flanged. overall length (175 +/-15) mm with 8 nos drilled holes in the flange side and 7/5 nos. grooves on the other side, with 3 coat anticorrosive paint on outer surface , cast iron impeller made from grey cast iron conforming to is 210/ 1978 & grade f-200 suitable for 150 mm x 150 mm dia centrifugal water pump (venus make) as per sample 200m3 discharge @18m head. , 150 mm dia 90 degree g.i bend (with priming)(both end flanged) -isi marked-is 1239,galv-is 4736 , 150mm dia c.i.nipple/ tail piece one end threaded other end grooved, with5 nos.grooves, with 3 coat anticorrosive paint on outer surface , ms shaft for 150 mm x 150 mm dia centrifugal water pump (gec) made from en8 steel with case harden at the place where bearing are mounted. (as per sample)