Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Work Of Insulation And Refractory During Proposed Overhauling Of Unit No11 3X200mw Btps Obra. Submission Date for this Tender is 04-01-2021. Insulation work Tenders in obra Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 20-Nov-2020 | Date extension 1 | Date | 01-12-2020 |
| 2 | 02-Dec-2020 | Date extension2 | Date | 14-12-2020 |
| 3 | 24-Dec-2020 | Date extension3 | Date | 04-01-2021 |
| Name of Work: Repairing/ Maintenance of Insulation and Refractory work during Overhauling of unit no.- 11, 3X200MW, BTPS Obra | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 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 guage (GI/Al) to be provided by department free of cost including fabrication and fixing of cladding with structure - | |||
| 2 | 1.1 | When one layer of new/old mineral wool blankets/pads thickness 50/75/100 mm. | 160 | M2 | |
| 3 | 1.2 | When more than one layer of new/old mineral wool blankets/pads thickness 50/75/100 mm. | 250 | M2 | |
| 4 | 2 | 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 | 2.1 | When one layer of new/old mineral wool blankets/pads thickness 50/75/100 mm. | 400 | M2 | |
| 6 | 2.2 | When more than one layer of new/old mineral wool blankets/pads thickness 50/75/100 mm. | 550 | M2 | |
| 7 | 3 | Insulation of vertical & horizontal hot PA Ducts from APH outlet to Mill Inlet/APH outlet to ESP inlet/ID fan out let to Chimeny Inlet Duct and fixing the new cladding. | |||
| 8 | 3.1 | 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. | 2 | Job | |
| 9 | 3.2 | 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 guage (GI/Al)sheet to be provided by department free of cost. | 600 | M2 | |
| 10 | 4 | 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. | 300 | M2 | |
| 11 | 5 | Replacement/refixing of old/new GI/Al sheets with the help of self tapping screw. The mineral wool will not be replaced. | 1465 | M2 | |
| 12 | 6 | REFRACTORY WORK | |||
| 13 | 6.1 | Refractory work of main boiler and pressure part | 22 | MT |
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