tender for supply of column pipes and other allied accessories for lowering of pump set near babul bose house at ward no.-8. ( 3rd call ) -- 1 supply of column pipes and allied accessories for lowering of pump set a) supply of g,i. column pipe ( tata make) 125 mm. dia (medium) with both end flange (length of each pipe 3.00 m) with 2 x 5/8 nut bolt + washer. 2 b) supply fittings.i) short piece 125 mm. dia (g.i. (m)). 3 one end flanged and other end plain with threaded. (tata make) ( 125 mm. dia, 3.00 long (m)).ii) supply of g.i. nipple with 125 mm. dia 4 with both end threaded medium quality (tata make, 125 mm. x 300 mm.) iii) supply of socket (g.i.,125 mm.dia medium) hb make. 5 supply of rest clamp- (125 mm. dia 14, ½ thick). 6 supply of well cover- 300 mm. dia (m.s.) in two part. 7 supply of bend - 90º with m.s. flange- 6. 8 supply of 5 rubber gasket washer. 9 supply of 6 rubber gasket washer. 10 supply of nut & bolt- 5/8 x 2½ allthreaded with washer. 11 supply of nut & bolt- 5/8 x 3 allthreaded with washer. 12 supply & fitting fixing of mechanical joint set for joining the tee, bend etc. (as per market rate)150 mm. dia. 13 supply & fitting fixing of c.i.d.f. pipe (as per market rate). 150 mm. dia. x 1.0 m.150 mm. dia x 0.5 m.and150 mm. dia. x 1.5 m. 14 supply of m.s. fabrication suitsble tube well cover for the well housing pipe with necessary clamping arrangement including holes for column pipe cable entry etc. (as per market rate). 15 supply of m.s. clamps for protection of above pump motor (as per market rate). 16 supply & fitting fixing of 150 mm. dia cidf non-return valve as per is specification (as per market rate) 17 supply & fitting fixing of c.i. sluice valve with flanged ends drilled to as per is 1358/62 and having all cast iron components as per is 780/71 solid forged bronze inside screw spindle having ultimate tensile strength not less than 4.72 mt per sq.cm. spindle nut valve and seat faces of hard wear resisting, manufactured from best quality gunmetal conforming to is 790/71, painted black all over with asphalt brass paint tested to 21 kg. (hydraulic pressure) per sq.cm. valve opening to anticlockwise direction, fitted and fixed complete.(i) 150 mm. 18 supply & laying of d.i. pipes (k-7) wth bluish colour (as per market rate) (i) 150 mm. 19 sluice valve chamber with c.i. heavy over with locking arrangement,(weight not less than 25 kg) (size of chamber 450x600 mm.inside upto 900 mm. depth) 250 mm. thick cementbrick walls (6:1). 150 mm. thickcement concrete (6:3:1) bed with stone chips, 20 mm.thick cement plaster (6:1) for inside wall and 15 mm.thick cement plaster (4:1) for outer walls including rounding corners. 20 supply & fitting fixing of 150 mm. dia c.i.d.f. specials.(i)150 mm. bend - 90º(ii)150 mm. tee. (iii)150 mm. m.s plate.(iv)150 mm. tale piece.v) 150 mm. c.i. tee