tender for supply of p.v.c. flexible suction and delivery hose pipe , p.v.c. fittings and other accessories for maintenance of different major r.l.i. schemes of different block under kharagpur (a-e) sub-division within midnapur (a-m) division in the district of paschim medinipur under non-plan programme 2025-26. , 150 mm dia isi marked p.v.c. flexible suction and delivery hose pipe is marked is 15265 , extra coupler for 160 mm. dia p.v.c. pipe ( extra) i.s. 10124/1988, part- ii with free solvent cement. (class-ii) , extra coupler for 315 mm. dia p.v.c. pipe ( extra) i.s. 10124/1988, part- ii with free solvent cement. (class-ii) , 150 mm dia foot valve leather washer isi marked 1273 / 1989 duly isi certified marked. , 150 mm dia rubber insertion 3 ply with hole (as per sample)