supply & delivery of 150 mm dia c.i. sluice valve with hand wheeland other miscellaneous materials for different govt own & operated major rli schemes under assistant engineer(a-m) coochbehar(agri-mech) sub division under the jurisdiction ofcooch behar (agri-mech) division under non-planned maintenance work-- 1 supply of 150 mm dia c.i. sluice valve with hand wheel for water works purpose confirming to isi : 14846/2000 with latest ammendments. parts of the valve shall be manufacture from basic materils and the valves should be tested for (closed end test ) against hydrostatic test requirement. 2 supply & transport of rubber insertion 5 mm thick with proper reinforcement 2 ply conforming to is: 638/79 with isi mark with latest ammendments suitable for raised surface of ms flange as per is: 6392/71 (table-5,11 &17) 3 150 mm dia rubber insertion (with hole) 4 200 mm dia rubber insertion (with hole) 5 300 mm dia rubber insertion (with hole) 6 supply of m.s./g.i hexagonal head bolts & nuts conforming to is : 1363 (part-i)/ 1992 of product grade-c with latest amendments for bolts & is: 1363 (part-3)/ 1992 of product grade-c with latest amendments for nutrs properties / class for bolt - 4,6 & for nut-4.5. 7 m16 x 65mm nut & bolt 8 m16 x 80mm nut & bolt 9 m12 x 50mm nut & bolt 10 supply of 150 mm dia heavy duty hose (ms/g.i) clamp fitted with nut & bolt (i.s: 5612/1977 with latest ammendment)