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| 1 | NRV of 600 mm dia in header line of Backwash Pump House South. Making a temporary platform from the ground level to main header line upto the height of approximate 25 feet with MS Pipe support & also providing the shuttering at top to make the temporary platform for workable at site including to & fro cartage & making charges for 7-10 days. |
| 2 | Cutting of nut bolts of NRV by gas cutter along with bend of size 600 mm dia, making thrust support to hold the delivery line so that the delivery NRV of 600 mm can be dismantle from the line with the help of heavy labour arrangement at ground level of backwash pump house. |
| 3 | Removing of CI flape of NRV by manual labour with proper temporary lifting arrangement to take outside. |
| 4 | Making dead flange by fixing with rubber packing & nut bolt for closing the system while running of pump set. |
| 5 | Repairing of main body of NRV for repairing of pin hole with proper support of bushes with nut bolt welding etc. as required. |
| 6 | Repairing of SS pin by welding & machining with proper threads polishing etc. as required. |
| 7 | Nut bolt & packing. |
| 8 | Repairing of CI Flape with GM Seat by repairing of SS Sheet & moving bush etc. as required by job. |
| 9 | To & fro charges of valve loading & unloading etc. |
| 10 | Repairing of GM Sheet of body by remetling & machining + polishing etc. as required. |
| 11 | Assembling of complete NRV with new C.I Diaphragm and other parts with the help of nut bolts, rubber packing etc. as required by job. |
| 12 | Testing and commissioning charges. |
| 13 | For 400 mm dia CIDF Delivery side Sluice Valves of Pump Set No. 01 to 04. Cutting of nut bolt of gear box, gland housing & upper dome of Sluice Valve one by one. |
| 14 | Dismantling of Gear Box, Gland Housing & upper dome by manual & heavy labour with special type lifting arrangement one by one. |
| 15 | Repairing of Gear Box by replacement of worn gear, worn shaft & also replacement of bearings of worn gear & worn shaft as per size & Nos. & also assembly the gear box by proper greasing, oil & oil seal arrangement. |
| 16 | Repairing of Gland Housing by providing fixing of GM Bush in Gland Housing & also replacement of bearing in gland housing box & also replacement of gland stud. |
| 17 | Repairing of GI Flape by removal of GM seat of both side polishing & finishing etc. as required. |
| 18 | Repairing of SS Spindle by remetelling & threading & finishing on Lathe machine etc. as required. |
| 19 | Repairing of GM Nut by making proper GM Bush & threading etc. as required. |
| 20 | Opening of dead flange from the incoming suction line by removing of nut bolt. Assembling Sluice valve of 400 mm dia with packing nut bolt and operation sluice valve required for closing and opening on load. |
| 21 | For 600 mm dia CIDF Suction side Sluice Valves of Pump Set No. 01 to 04. Cutting of nut bolt of gear box, gland housing & upper dome of Sluice Valve one by one. |
| 22 | Dismantling of Gear Box, Gland Housing & upper dome by manual & heavy labour with special type lifting arrangement one by one. |
| 23 | Repairing of Gear Box by replacement of worn gear, worn shaft & also replacement of bearings of worn gear & worn shaft as per size & Nos. & also assembly the gear box by proper greasing, oil & oil seal arrangement. |
| 24 | Repairing of Gland Housing by providing fixing of GM Bush in Gland Housing & also replacement of bearing in gland housing box & also replacement of gland stud. |
| 25 | Repairing of GI Flape by removal of GM seat of both side polishing & finishing etc. as required. |
| 26 | Repairing of SS Spindle by remetelling & threading & finishing on Lathe machine etc. as required. |
| 27 | Repairing of GM Nut by making proper GM Bush & threading etc. as required. |
| 28 | Opening of dead flange from the incoming suction line by removing of nut bolt. Assembling Sluice valve of 600 mm dia with packing nut bolt and operation sluice valve required for closing and opening on load. |
| 29 | NRV of 400 mm dia in delivery side of Backwash Pump House South of Pump Set No. 01 to 04.Making a temporary platform from the ground level to main header line upto the height of approximate 16 feet with MS Pipe support & also providing the shuttering at top to make the temporary platform for workable at site including to & fro cartage & making charges for 7-8 days. |
| 30 | Cutting of nut bolts of NRV by gas cutter along with bend of size 400 mm dia, making thrust support to hold the delivery line so that the delivery NRV of 400 mm can be dismantle from body of NRV with the help of heavy labour arrangement at ground level of backwash pump house. |
| 31 | Removing of CI flape of NRV by manual labour with proper temporary lifting arrangement to take outside. |
| 32 | Making dead flange by fixing with rubber packing & nut bolt for closing the system while running of pump set. |
| 33 | Repairing of main body of NRV for repairing of pin hole with proper support of bushes with nut bolt welding etc. as required. |
| 34 | Repairing of SS pin by welding & machining with proper threads polishing etc. as required. |
| 35 | Nut bolt & packing. |
| 36 | Repairing of CI Flape with GM Seat by repairing, remetelling & finishing & moving bush etc. as required by job. |
| 37 | To & fro charges of valve loading & unloading etc. |
| 38 | Repairing of GM Sheet of body by remetling & machining + polishing etc. as required. |
| 39 | Assembling of complete NRV with new C.I Diaphragm and other parts with the help of nut bolts, rubber packing etc. as required by job. |
| 40 | Testing and commissioning charges. Please Enable Macros to View BoQ information |