tender for supply of miscellaneous materials for maintenance of different r.l.i schemes under kalyani (agri-mechanical) division , kalyani,nadia- 1 supply of end seal block for 63 amp main switch - gsc make.(as per sample provided). 2 supply of 150 x 150 mm nominal diametre centrifugal pump as per is 6595 (part-i)/1993, suitable for 20 to 24 hp prime mover, having minimum discharge 200 cubic meter per hour at 18 mtr head and rated rpm-1500. minimum eficiency of pump should be 76% .- venus make 3 supply of gun metal bush suitable for 150×150 mm diafor crompton(new) water pump conforming to is 318/1981 matching with the crompton(new) water pump shaft(as per sample provided). 4 supply of cast iron impeller made from gray cast iron conforming to is 210/1978 & grade f-200 matching with the 150×150 mm dia for kirloskar (new) water pump (as per sample provided). 5 supply of nuts & bolts : g.i. hexagonal head bolt and nuts bearing 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 nuts properties/ clause for bolts- 4.6 & for nuts- 4.5. both bolts & nuts are to be duly isi certification marked with 2 nos plain ms washer.m 12x 65 mm [number of bolt in 50 kg = 517 nos] 6 m 12x 50 mm [number of bolt in 50 kg = 557 nos]