supply of different materials for site inconnection with re-drilling,maintenance,of pump house and extension of 3 no spout chamber of 347/n dogachhi-iii dtw under karimpur (a.i) sub-division under krishnagar-i (a.i) division. , supply of different materials. , supply of 3c flat water proof cu.cables lsi marked-is 694 3c x 6.0 sq.mm , supply of 5 mm thick rubber insertion for raised surface of flange as per is:6392 / 1971, made from white rubber sheet reinforced with 2 ply cotton fabric without holes as per is:638/1979 with latest ammendmnet if any with isi marked suitable for isi marked ms flange (table-5,11,17) f) 150 mm dia rubber insertion with standard drilled holes (5mm thick)