Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Routine And Breakdown Maintenance Of Main Boiler Of Unit No . 12 And 13 , Btps , Obra. Submission Date for this Tender is 11-11-2021. Boiler Work Tenders in BTPS, Obra Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 03-Aug-2021 | Date | Other | 18-08-2021 |
| 2 | 03-Aug-2021 | Date Extension | Date | 18-08-2021 |
| 3 | 19-Aug-2021 | Extension2 | Date | 06-09-2021 |
| 4 | 08-Sep-2021 | Corrigendum | Date | 24-09-2021 |
| 5 | 28-Sep-2021 | DATE | Date | 07-10-2021 |
| 6 | 11-Oct-2021 | Date Extension 5 | Date | 25-10-2021 |
| 7 | 28-Oct-2021 | Extension3 | Date | 11-11-2021 |
| Name of Work : Routine and Breakdown Maintenance of Main Boiler of unit no. 12 & 13, BTPS, Obra | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Routine Maintenance of Main Boiler of Unit no. 12 and 13, 2×200 MW, 'B'TPS, Obra | 1 | 1095 | Jobs |
| 2 | 2 | Breakdown Maintenance of Main Boiler of Unit No. 12 and 13, 2×200MW, BTPS, Obra | |||
| 3 | 3 | Servicing of oil gun guide assy, ret/adv, mechanism at AB, CD & EF elevation by replacement of damaged parts by new one. | 2 | 8 | Nos. |
| 4 | 4 | Repairing of eroded adjustable coal nozzle tip when the same is lying outside | 3 | 12 | Nos. |
| 5 | 5 | Repairing of eroded coal nozzle when the same is lying outside | 4 | 12 | Nos. |
| 6 | 6 | Replacement of coal burner assy. by new/repaired one. | 5 | 10 | Nos. |
| 7 | 7 | Replacement of oil gun/ret. adv. mechanism at AB, CD & EF elevation by new/ repaired one. | 6 | 25 | Nos. |
| 8 | 8 | Repairing of guide assembly at elevation AB, CD & EF. | 7 | 4 | Nos. |
| 9 | 9 | Repairing/replacement of scanner guide assly. | 8 | 3 | Nos. |
| 10 | 10 | Repair/replacement of scanner and opening the bolts of flange & taking it out. | 9 | 3 | Nos. |
| 11 | 11 | Repair/Refitting of scanner guide assembly. | 10 | 2 | Nos. |
| 12 | 12 | Replacement of air nozzle by new/repaired one. | 11 | 2 | Nos. |
| 13 | 13 | Repairing of buldge/burnt air nozzles. | 12 | 2 | Nos. |
| 14 | 14 | Repairing & replacement of defective/burnt air nozzle. | 13 | 2 | Nos. |
| 15 | 15 | Servicing of secondary air damper in wind box. | 14 | 15 | Nos. |
| 16 | 16 | Repairing of secondary air damper in wind box. | 15 | 10 | Nos. |
| 17 | 17 | Repairing of Manhole of boiler. | 16 | 4 | Nos. |
| 18 | 18 | Replacement of packing of manholes. | 17 | 8 | Nos. |
| 19 | 19 | Repairing of Boiler Peep Holes. | 18 | 12 | Nos. |
| 20 | 20 | Replacement of packing of Boiler peep holes. | 19 | 12 | Nos. |
| 21 | 21 | Providing pin of spring/hanger supports of feed line,steam lines. | 20 | 12 | Nos. |
| 22 | 22 | Furnace Ceiling repairing by cutting & welding in Pent House. | 21 | 25 | Mtrs |
| 23 | 23 | Welding of Hot & cold primary & secondary air ducts. | 22 | 100 | Mtrs |
| 24 | 24 | Alignment and fixing of supports of hot air ducts. | 23 | 6 | Nos. |
| 25 | 25 | Laying of HP steam/water pipelines of dia 15mm to 100mm. | 24 | 75 | Mtrs |
| 26 | 26 | Two coat hard facing (One horizontal & one vertical at the distance of ½” on any equipment). | 4 | RM | |
| 27 | 27 | Cleaning & disposal of fly ash foreign materials from the following. | |||
| 28 | 27.01 | Wind box (Right) | 25 | 2 | Nos. |
| 29 | 27.02 | Wind box (Left) | 26 | 2 | Nos. |
| 30 | 27.03 | Cat house (Front & rear) | 27 | 2 | Nos. |
| 31 | 28 | Removing fly ashes its disposal to zero meter level boiler side from boiler heating area. | |||
| 32 | 28.01 | Removal fly ash from economizer chamber at 3 M/L. | 28 | 2 | Nos. |
| 33 | 28.02 | Removing fly ash from the gallery between Re-heater & arch tubes. | 29 | 2 | Nos. |
| 34 | 28.03 | Removing fly ash form the gallery between exit super heater &hanger tubes of convective super heater. | 30 | 2 | Nos. |
| 35 | 28.04 | Removing fly ash form second pass. | 2 | Nos. | |
| 36 | 28.05 | Removing fly ash from the gallery between platen super heater and cold reheat headers in pent house | 31 | 2 | Nos. |
| 37 | 28.06 | Removing fly ash from the galleries in left & right of the pent house,between water tubes & skin cashing. | 32 | 2 | Nos. |
| 38 | 28.07 | Removing fly ash from the gallery between cold reheat and got reheat header in pent house. | 33 | 2 | Nos. |
| 39 | 29 | Cleaning of riser tube economizer water wall & connecting tubes of super heaters by means of wire brush and old clothes. | 34 | 2 | Nos. |
| 40 | 30 | Alignment and providing proper supports to rods of buck stay furnace economizer & super heater zone from 16 M/L to 48 M/L in boiler. | 35 | 4 | Nos. |
| 41 | 31 | Rectification of guide pipe & plates of hydraulic seals at all the four sides above bottom ash hopper. | 36 | 12 | Nos. |
| 42 | 32 | Rectification of hinge supports of wind box of boiler at 19 M/L (L&R). | 37 | 2 | Nos. |
| 43 | 33 | Rectification of Tie Rods in Pent House of 48 M/L side at boiler. | 38 | 2 | Nos. |
| 44 | 34 | Servicing & repairing of hanger supports of Main steam, cold reheat,hot reheat, feed line and down corners of boiler form 13 M/L to 54 M/L. | 39 | 9 | Nos. |
| 45 | 35 | Making coal compartment assly by making coal nozzles with seal plate & adjustable seal nozzle SS tips. | 40 | 10 | Nos. |
| 46 | 36 | Repairing/replacement of corner attachment of water wall and super heater. | 41 | 4 | Nos. |
| 47 | 37 | Alignment of buck stay beam (Horizontal & Vertical) from 8 M/L to 48 M/L. | 42 | 2 | Nos. |
| 48 | 38 | Strengthening & alignment of scanner angles of furnace & 2nd pass. | 43 | 5 | Nos. |
| 49 | 39 | Cleaning & disposal of fly ash and foreign material to ‘0’ meter. | |||
| 50 | 39.01 | From Dog House | 44 | 2 | Nos. |
| 51 | 39.02 | Above furnace top and inside Pent House. | 45 | 2 | Nos. |
| 52 | 39.03 | Below drum inside the Pent House. | 46 | 2 | Nos. |
| 53 | 40 | Servicing/Overhauling of fill pump. | 47 | 2 | Nos. |
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