Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Annual Maintenance Work Of Insulation Of Boiler Turbine Side Annual Maintenance Work Of Insulation Of Boiler Turbine Side Pipelines Valves Vessels Ducts Pressure Parts Main Boiler Etc In Unit No 9 10 11 12 13 5X200 Mw Btps Obra. Submission Date for this Tender is 01-07-2022. Boiler Supply Tenders in obra Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 12-May-2022 | ext01rationalisedinsulation | Date | 23-05-2022 |
| 2 | 24-May-2022 | ext02rationalisedinsulation | Date | 06-06-2022 |
| 3 | 08-Jun-2022 | Time extension | Date | 18-06-2022 |
| 4 | 21-Jun-2022 | t09extension04 | Date | 01-07-2022 |
| Sl. No. | Item Description |
| 1 | TURBINE SIDE WORKSMineral / Rock wool insulation work on various high pressure and high temperature pipe line of steam and water in 200MW units. The insulating material will be supplied by the firm at their own cost with specifications as mentioned in scope of work tender. |
| 2 | Pipe dia-25mm, Thickness of insulation – 25mm |
| 3 | Pipe dia-25mm, Thickness of insulation – 50mm |
| 4 | Pipe dia-50mm, Thickness of insulation – 75mm |
| 5 | Pipe dia-100mm, Thickness of insulation – 75mm |
| 6 | Pipe dia-150mm, Thickness of insulation – 100mm |
| 7 | Pipe dia-200mm, Thickness of insulation – 100mm |
| 8 | Pipe dia-250mm, Thickness of insulation – 125mm |
| 9 | Pipe dia-300mm, Thickness of insulation – 125mm |
| 10 | Pipe dia-400mm, Thickness of insulation – 150mm |
| 11 | Fabrication & fixing of 24 gauge aluminium/GI sheet for cladding with the help of self tapping screws (Aluminium/GI sheet & screw to be supplied by the contractor). |
| 12 | BOILER SIDE WORKSMineral / Rock wool insulation work on various Boiler Side pipe line/ducts/headers/pressure part and main boiler areas in 200MW units. The insulating material will be supplied by the firm at their own cost with specifications as mentioned in scope of work |
| 13 | Thickness of insulation – 50/60mm |
| 14 | Thickness of insulation – 75mm |
| 15 | Thickness of insulation – 100mm |
| 16 | Fabrication & fixing of 24 gauge aluminium/GI sheet for cladding with the help of self tapping screws (Aluminium/GI sheet & screw to be supplied by the contractor). |
| 17 | Fixing ofpipes for erection of Scaffolding at places where no platform is available (scaffolding material will be provided by the Nigam). |
| 18 | Refractory work of main boiler and pressure parts. |
| 19 | Removal of old and damaged refractory . |
| 20 | Recasting of refractory |
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