(A) Complete repairing and full overhauling of 1 no. RKB Pump 150 Mtr. head multistage type, 6 stage pump Sl. No.- 1 in underground mines of 4,5 and 6 incline of Dhori (K) Colliery (B) Repairing of RKB Pump base frame. (C) Repairing and wel

Amount

Part-A

Key & Key Way making by shapper machine.

Diffuser and chamber locking and fitting with each other with the help of steel welding & lock bolting.

Chamber body damaged half plate cutting, plate repairing, fixing, locking and machining.

Old neck ring and neck bush cutting, new ring and bush fitting with drilling, tapping and fixing CDK head screw.

C.I. casting shaft sleeve repairing for DE & NDE.

Diffuser damaged half plate cutting, half plate repairing, fixing, locking and machining std. size.

C.I. casting neck ring bush repairing as per sample.

Diffuser and chamber neck ring and neck bush seat machining round shape on lathe machine and alignment.

RKB pump repair kit like as "O" ring for long bushes & chambers, gland by pass pipe line, test cork, packing kit.

Pump opening in underground mines.

Pump pulled out from underground mines to surface

Part-B

Pump and motor base frame pulled out from undergorund mines to surface for sample.

Repairing of pump & motor foundation base frame making by gatar cutting by industrial gas cutting set. 10"/5"

Repairing of supporting coniya making by industrial gas cutting set. 10" x 10" x 10"= 30" x 12 Nos.

Repairing of square plate 18" X 4 nos.= 72" cutting by industrial gas cutting set.

16mm plate square 16mm X 1600mm square (450 x 450 x 785 x 16mm= 25.400 X 2 nos. plate

Hole making in plate goria size. 24mm

Repairing of all cutting part collecting, setting and fitting.

Gatar foundation full welding.

Plate fitting in foundation with round full welding.

Pump & motor fitting, setting & shifting in underground mines water face.

Part-C

6” G.I. pipe cutting by gas for making flexible hose nipple.

6” G.I. pipe nipple making as required for flexible hose by its 18” long x 1 ½” width gas cutting, pipe dia reducing by hydraulic press machine and after reducing re-jointing by inside & outside welding and steps making on lathe machine for tight fitting in flexible hose.

6” M.S. flange making as per sample by machining with groove cutting.

6” G.I. flange full round welding in double layer inside & outside with nipple leakage proof. (6” x 1 no. = 21”) 10 + 10 = 20 nos = 420”

6” flexible hose clamp set making as per required size with bending & both side drilling for bolting (with material).

Clamp bolts new with nut and washer for hose tightening.

4” NRV complete dismantling, dhapa worn out seat C.I. welding, machining, balance pin & bush making & fixing, by pass pipe line new provide & fixing.

4” sluice valve dismantling, spindle making with check nut, “U” clamp making, dhapa seat facing etc.

6" bend replacement and providing

6" bend pipe fitting.

16mm H.T. bolt replacement and fitting.

Total impact of GST for the purpose of CTC

M/S NEW BIHAR MOTOR GARAGE

M/S HINDUSTAN ENGINEERING WORKS