Details: chapter - viii supplying of materials 8.9 cast iron double flanged single door swing non-return valve generally conforming to is 14846 having body, door cover in graded cast iron to is 210 gr. fg 200, body and door rings and bearing block of leaded tin bronze to i.s 318 gr. ltb 2, hinge pin of st aisi410 valves suitable for maximum working pressure of 10 kg/cm... and body tested 15 kg/cm.... diameter in mm 150 chapter - viii supplying of materials sf. ms 8.17supply of m.s. (slipper type) as per is-6392 table 17 thickness 12mm nb diameter in mm 150 chapter - ii laying & jointing pipes, specials etc.2.1 c.i. / d.i. pipe & specials 2.1 c.i. / d.i. pipe & specials 2.3 m.s. pipes 2.3.1 gas cutting of m.s. pipes and/or m.s. plates of different thickness all complete as per specification and direction of the engineer-in- charge. thikness in mm 5mm to 8mm thick plate building works (f) structural steel works, grills, gates etc. b. repairing 2. welding in m.s. structural work with gas or el
Sector: Municipality