(A) Complete repairing RKB Pump of 2000 GPM, Make Kirloskar, Type RKB/250/46K, 4 stage Jarangdih Colliery. (B) Repairing and maintenance works of Kirloskar make, 3CHR, 2000 GPM, 250x300, Multistage, RKB, H.T. Pump assembly in respect of Jarangdih OCP

Amount

(A) Complete repairing of 2000 GPM RKB Pump Make Kirloskar, Type RKB/250/46K, 4 Stage at Jarangdih Colliery. Repairing of Shaft welding & machining as per required with key ways.

Gun metal impeller repairing by its neck ring seat, neck bush seat, hub brass built up & machining as the std. size

C.I. casting neck ring msking as per the sample & size

Miscellaneous repairing works for above pump like as chamber body "O" rings, "O" ring for long bushes, water deflector, rubber, jointing packing kit, test cork, gland by pass pump line, oil rings, bearing cover bolts, gland bolts typing & threading & bodies etc.

Difuser & chamber locking & fixing with each other and locking by CI welding & also drilling tapping & HT Allen bolt provide & fixing for extra strength

Under size brass metal casting bush bearing new making as per required size & measurment with casting, maching & grooving.

Stainless steel metal shift sleev new making as per sample size

Short bush machining for oil seal

Repairing of C.I. diffuser with CI welding & machining as per required.

Key new making for impellor

Complete pump assembly fitting & opening by hydraulic press & puller / asseble after repairing

Pump body inside & outside rust & dust cleaning & body painting

Chamber & diffuser neck ring & neck bush seat machining & alignment work on lathe machine up to the roundness

Old neck ring, neck bushes cutting after alignments new neck ring & neck bush fitting, drill, tapping, locking

Gun metal balance disc repairing

Gland studs new making

(B) Repairing & maintenance works of Kirlosker make, 3CHR, 2000 GPM, 250x300, Multistage, RKB, H.T. Pump assembly in respect of Jarangdih Open Cast Project. Complete pump assembly opening & fitting with setting.

Gun Metal impellers repairing by both side color, bore and face brass buildup and machining as per required size and alignment.

C. I. diffuser casting & machining as per sample

Diffuser & chamber locking & fixing with each other and locking by C.I. welding and also drilling tapping and HT Allen Bolt provide

Over size C.I. casting neck ring new making as per sample

Diffuser repairing by ribs, face & C.I. welding, machining and sizing up to required fixing with chamber body

Old neck rings & neck bushes cutting, new neck ring & neck bush fitting, drilling and locking

Worn out suction body seat & 'O' ring color repairing by C.I. welding metal filling, shaping by grinding, 'O' ring grooving by grinding and sizing diffuser seat.

Over size C.I. casting neck ring new making as per sample

S.S. metal shaft sleev new making as per sample

Pump shaft both side bush bearing seat machining, alignment straightening checking, polishing, thread cleaning.

Chamber body 'O' ring groove repairing by brass buildup and machining as per required of 'O' ring size.

RKB pump repair kit as 'O' rings, packing, gasket, bolts, nuts, gland stud, oil rings, bearing cover, cooling ring, bye pass pipeline, lalten ring threading in body, test cork.

Chamber & diffuser neck ring & neck bush seat machining & alignment work on lathe machine up to the roundness as per required size.

Balancer seat & disc machining as per required size

Under size white metal casting bush bearing new making as per required size and measurement with casting, machining

Key new making for Impellers & balancer as per required size

Check nut and lock nut new making as per required size

Pump body inside & outside rust & dust cleaning & body painting

Total impact of GST for the purpose of CTC