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| 1 | A.Repair-Maintenance with spares of one no. centrifugal pump of RKB Make, RPM-1486, 2000GPM, Head 200m with Sl. No. 12972150006 running for dewatering under Kathara Colliery. (put zero against this row in rate column) |
| 2 | Repairing of Shaft by welding and machining as required alongwith key-way |
| 3 | Gun metal impeller repairing by its neck-ring seat, neck bush seat, hub brass built up and machining as per standard size |
| 4 | diffuser and chamber locking fixing with each other and locking by C.I. weding and also driling, tapping. HT allen bolt providing and fixing for extra strength. |
| 5 | Short bush machining for oil seal |
| 6 | Repairing of C.I. difuser with C.I. welding and machining as per requirement |
| 7 | Key new making as per requirement |
| 8 | bearing housing stud new making with nut and washer |
| 9 | R.K.B Pump repair kit like O ring packing gaskit bolt, silicon, seal rings |
| 10 | R.K.B. Pump dismantling, overhauling , setting and re-assembling |
| 11 | check nut and lock nut new making for DE and NDE |
| 12 | Gun metial long bush, new making and fitting |
| 13 | Neck ring new making of Gun Metal |
| 14 | Gland Stud new making |
| 15 | New Impeller making and fitting of Gun Metal as per sample |
| 16 | B. Repair-Maintenance with spares of one no. pump of (Wilo) Mather and platt Make, RPM-1486, 1000GPM, 200 x 150mm DST, Head 100m with Sl. No. WNP kept at running section under Kathara Colliery. (put zero against this row in rate column) |
| 17 | Making of new pump shaft of EN-P steel with key-base and thread of required shape and size. |
| 18 | Repairing of Gun Metal impellers both side by brass brazing and machining etc. |
| 19 | Making of new shaft-sleeves by casting and machining |
| 20 | Making of new check-nut for sleeves |
| 21 | Making of new neck-ring of C.I. by casting |
| 22 | Making of new neck-bush by C.I. by casting |
| 23 | Making of new balancer sheet and disc of C.I. by casting, machining, drilling etc. |
| 24 | Making of new bearing bush of Gun Metal by casting, machining etc. |
| 25 | Repairing of top and bottom casting and vain groove making by C.I. welding, machining and grinding. |
| 26 | Provinding of O ring, packing, corks, water deflecter, gland by-pass pipe, stuffing box, balance screw, housing stud etc. |
| 27 | Dismantling and re-assembling after repairing work of pump |
| 28 | Rust and dust cleaning of the pump body with its painting |
| 29 | Provinding of new stud 3/4\\"x4\\" (H.T.) |
| 30 | Provinding of new nuts and bolt 3/4\\"x 3\\" (H.T.) |
| 31 | Provinding of Eye bolt HT 5/8\\"x4\\" |
| 32 | Providing of steam jointing Gasket 2mm thickness |
| 33 | Total impact of GST for the purpose of CTC Please Enable Macros to View BoQ information |
