supply & delivery of mechanical items and solvent for maintenance of mi installation for different rli scheme under barasat ( a-m ) divisions and solvent cement for maintenance of mi installation for different rli scheme under barasat ( a-m ) division , m.s. shore manifold as per drawing ( annexure-e ) with painting made of 350 mm dia m.s erw pipe 1 mtr. long having 3 numbers of 150mm inlet and 1 number of 350 mm dia outlet, all end flange welded, ms erw pipe conforming to is 1239 ( part1 / 3589, medium and m.s flange conforming tois 6392 / 71 ( table-17 excepting thickness ) under barasat ( a-m ) division. ( as per sample , m.s short piece ( 1m long ) both end flanged , m.s short piece ( 1m long ) one end flanged , m.s short piece ( 0.75m long ) both end flanged , 150 mm dia ci foot valveflange type & swing type comformation to is: 4038 / 1968isi marked , 150x150x150 mm ms e.r.w tee. all ends flanged welded made from 150 mm ( n.b ) . 4.8 mm thick ms erw pipe as per is- 1239 ( part-1 ) and flanges are 12 mm thick of is-6392 / 71 table-17 , 150 mm dia ms blank plate 5 mm thick as per is 6392 , gm bush for varuna water pump ( as per sample ) , c.i sluice valve with hand wheel , isi marked , is:14846, 150 mm dia , 150 mm dia c.i top cover plate for n.t.p valve as per sample , m.s. hexagonalheadbolts &nuts conformingto is-1363 ( part-i ) 1992 productgrade - cwithlatestammedments forboths is-1363 ( part-3 ) / 1992ofproduct grade cwithlatestamount for nutsproperties / class for bolt 4.62 nuts for 4.5. 5 / 8x 2.25 , solvent cement