tender for supply and delivery of various store materials(m.s/c.i./g.i.) for maintenance and repairing works for different dtwc under berh ore (a-i) sub division in the jurisdiction of berh ore-i(a-i) division ( non - plan) , supply and delivery of c.i. wedge with spindle for 150 mm dia ntp valve (as par sample) , supply and delivery of c.i. male female coupling for 150mm dia sluice valve (as par sample) , supply and delivery of 150 mm dia c.i. sluice valve with hand wheel isi marked is : 14846 , supply and delivery of 150 mm dia alfa-alfa valve (c type), isi marked is:14846 with gm bush , supply and delivery of ms surge tank as per drawing (annexure-h) thr body of which made of 3mm thick ms sheet and top and bottom cover are made of 5 mm ms sheet welded with the body and strenghthen with rib etc. all joint must be electrically welded to a leak-proof condition and joint must be capable of withstanding pressure of 50 psi. the surge tank should be fitted with all accessories as specified in the drawing. entire surge tank is to be painted both inside and outside over a coat of priming. , supply and delivery of 80 mm dia m.s. surge pipe of 3 mtr. long made of 80 mm n.b. erw pipe conforming to is:1234(pt-1) 2004, medium quality one end 80 mm flange welded of 10 mm thickness conforming to is:6392/71, table-17 , supply and delivery of 5 /8x3 nut bolt , supply and delivery of 5 /8x2.5 nut bolt , supply and delivery of rubber insertion 5 mm thick with proper reinforcemet two ply conforming to is: 638/79 with isi marked with latest amdt. suitable for raised surface of ms flange as is: 6392/71 ( table-511 & 17) , supply and delivery of 150 mm dia (nb) gi 90 degree bend (both end flanged -isi marked- is 1239 galv-is 4736 , supply and delivery of 150 mm (nb) m.s.erw column pipe 3 mtr. long 4.8 mm thick , one end screwed and other end welded with non standared ms flanged conforming to isi marked-1239, galv isi-4736 with latest amendments as bottom pipe for column pipe , supply and delivery of 150 mm (nb) m.s.erw column pipe 3 mtr. long 4.8 mm thick , both end non-standared ms flanged conforming to isi marked-1239, galv isi-4736 with latest amendments as middle pipe for column pipe , supply and delivery of 150 mm (nb) m.s.erw column pipe 3 mtr. long 4.8 mm thick , one end standard and other end welded with non standared ms flanged conforming to isi marked-1239, galv isi-4736 with latest amendments as top pipe for column pipe , supply and delivery of 150 mm nb gi heavy duty supporting clamps in two halves for holding column pipes.