supply of ms erw pipe of 300mm diameter and 150 mm dia c.i. non return valve and 300 mm dia ci sluice valve for different deperment owned rli scheme under ghatal (a-m) sub-divisions under midnapore (agri-mech) division under non-plan 2024-25. , m.s erw pipe 300 mm dia duly isi certification marked. length of pipe should be as per i.s 3589/2001 with latest amendements, nominal wall thickness 6.00 mm , 150 mm dia ci non return valve flanged ends & swing type with side by-pass arrangement conforming to is 5312(part-1/2004 with latest ammendments , sluice valve isi marked ø 300 mm p.n 1.6 with hand wheel for water works purpose, c.i flanged type conforming to is 14846/2000 with latest amendments. valves shall be tested for (closed end test) hydrostatic test requirement.