Shifting, diversion, extension, dismantling, repairing and maintenance of 02(two) ranges of 10 inch and 8 inch dia. m.s. pipeline at quarry no.2 of kathara colliery.

Rubber hose pipe id 25 mm, length 30 meter fitted with both side female coupling and o ring suitable for fitting bp / fp hose of coach & working air pressure 14 kg /sq cm (coach bypass pipe), detailed specification as per annexure a .

Casting and machining of 10inch c.i. coupling for 4000gpm &#x0d pump at muraidih colliery, barora area.

Alteration remaking and fabrication of motor and pump foundation and frame and casting and machining of 02 nos. c.i coupling of 2000gpm pump at jarangdih open cast colliery.

(a)repairing of pump 2000gpm 200 mtr head s.no- 12972150002 under kathara colliery. (b) repairing of pump 2000gpm 200 mtr head s.no- 12972150007 under kathara colliery.

Casting,machining and fitting of c.i coupling 10inch for bhowra north colliery, 02 nos.of pair (04number)

Casting and machining of 12inch dia 04 nos. c.i. &#x0d coupling 350hp motor (2 nos.) and 2000gpm &#x0d pump (2 nos.) at old ghutway patch-3 of damoda &#x0d colliery under barora area.

Casting and machining of 12inch dia ci coupling for &#x0d 3.3kv 2000gpm and 1000gpm pump and motor at &#x0d damoda colliery.

Casting, machining and fitting of c.i. coupling 12 dia for 3000gpm pumpand motor side of bhowrasouth colliery

Casting and machining of 12 inch dia c.i coupling for gpm grw make-pump bhowra south colliery.