Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Work Of Insulation And Refractory During Overhauling Of Unit No.-09, 3X200mw, Btps, Obra, Sonebhadrawork Of Insulation And Refractory During Overhauling Of Unit No.-09, 3X200mw, Btps, Obra, Sonebhadrawork Of Insulation And Refractory During Overha. Submission Date for this Tender is 07-11-2022. Electrical Maintenance Tenders in obra Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 26-Oct-2022 | Submission date corrigendum | Date | 31-10-2022 |
| 2 | 01-Nov-2022 | Time Extension | Date | 07-11-2022 |
| Sl. No. | Item Description |
| 1 | Insulation of Pipe Lines, Valves, Headers, Pressure Parts (I&II Pass) and Ducts etc. When new cladding is to be provided with 24/22 gauge (GI/Al) to be provided by department free of cost including fabrication and fixing of cladding with structure - |
| 2 | When one layer of new/old mineral wool blankets/pads thickness 50/75/100 mm. |
| 3 | When more than one layer of new/old mineral wool blankets/pads thickness50/75/100 mm. |
| 4 | Insulation of Pipe Lines, Valves, Headers, Pressure Parts (I&II Pass) and Ducts etc. When old removed GI/Al sheets are to be refixed with help of self tapping screw. |
| 5 | When one layer of new/old mineral wool blankets/pads thickness 50/75/100 mm. |
| 6 | When more than one layer of new/old mineral wool blankets/pads thickness 50/75/100 mm. |
| 7 | Insulation of vertical & horizontal hot PA Ducts from APH outlet to Mill Inlet/APH outlet to ESP inlet/ID fan out let to Chimney Inlet Duct and fixing the new cladding. |
| 8 | Fixing the scaffolding pipes for PA ducts/Flue gas ducts as per site requirement and dismantling the same after completion of work and shifting the scaffolding pipes to site store. |
| 9 | When more than one layer of new/old mineral wool blankets/pads thickness 50/75/100 mm and new cladding is to be provided with 24/22 gauge (GI/Al) sheet to be provided by department free of cost. |
| 10 | Insulation of headers in pent house of boiler. When two or more than two layers of new/old mineral wool blankets/pads of thickness 50/75/100 mm are to be provided on the headers in pent house. |
| 11 | Replacement/refixing of old/new GI/Al sheets with the help of self tapping screw. The mineral wool will not be replaced. |
| 12 | REFRACTORY WORK |
| 13 | Refractory work of main boiler and pressure part |
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