Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Nctps I Se Mi Circle Aoh 21 22 Mpm Dn Reconditioning And Re Fixing Of Hot Air Gate Nctps I Se Mi Circle Aoh 21 22 Mpm Dn Reconditioning And Re Fixing Of Hot Air Gate Assembly Including Dismantling And Insulation Work In Unit I Ii And Iii During The Over. Submission Date for this Tender is 30-06-2021. Insulation work Tenders in Works Tamil Nadu. Bidders can get complete Tender details and download the document.
| Name of Work: NCTPS-I – SE/MI circle – AOH (21-22) – MPM Dn. – Reconditioning and re-fixing of hot air gate assembly including dismantling and insulation work in unit I,II & III during the overhaul/shutdown period. | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Charges for dismantling the wornout hot air gate cylinder, shaft aluminium disc, seals top & bottom flanges, renewal of the damaged parts and assembling the all the above to have pucca open/ close operation without assembly leaks, to withstand a pressure of 7 Kg/cm2, including cost of consumables and T&P’s. | 1 | 8 | Nos |
| 2 | 2 | Charges for cutting & removing the old eroded gate seal frame, arranging the new gate seals in orderly and seal welding to form leaf edge seal assembly in the HAG. (Top seal outer 2 Nos. per gate), including cost of consumables and T&P’s. | 2 | 8 | set |
| 3 | 3 | Charges for renewal of Top seal inner (2 Nos. per gate), including cost of consumables and T&P’s. | 3 | 8 | set |
| 4 | 4 | Charges for renewal of Bottom seals inner (2 Nos. per gate), including cost of consumables and T&P’s. | 4 | 8 | set |
| 5 | 5 | Charges for renewal of left & right side seals inner (4 Nos. per gate), including cost of consumables and T&P’s. | 5 | 8 | set |
| 6 | 6 | Charges for transportation of Hot air gate assembly’s and required iron & steel from store for fabrication of supports. Provision of temporary supports & frames to facilitate erection as per the site Engineer instruction including temporary supports for mounting 5 Ton capacity chain blocks, for lifting and lowering the gate assembly arrangement and temporary platform etc., Charges for providing the temporary supports and platform supports arrangement for fixing 5 Ton capacity chain blocks – 4 Nos., for mounting and removing the existing hot air gate assembly, including cost of consumables and T&P’s. | 6 | 8 | Nos |
| 7 | 7 | Charges for erection of the Hot air gate assembly position as per the site Engineer instruction, including cost of consumables and T&P’s. | 7 | 8 | Nos |
| 8 | 8 | Fabrication of new GI/ MS duct assembly with MS angle duct frames, erection and commissioning of fabricated new duct assembly , including cost of consumables and T&P’s | 8 | 120 | m2 |
| 9 | 9 | Scaffolding for insulation work for the area where the work area is above 5 mtr from the ground or from the approach platform, including cost of consumables and T&P’s. | 9 | 8 | Nos |
| 10 | 10 | Dismantling of insulation. Estimate for 10 Sq.mtr, including cost of consumables and T&P’s. | 10 | 120 | m2 |
| 11 | 11 | Reinsulation, including cost of consumables and T&P’s. | 11 | 120 | m2 |
| 12 | 12 | Removal of deteriorated G.I sheets and re fixing the new/ same G.I sheets after fabricating to the required contour shape, making grooves and tightening with lock screws (1/4”), including cost of consumables and T&P’s. | 12 | 120 | m2 |
| 13 | 13 | Removing the GI strips and retainer plates and providing back with new/ same strips and retainer plates, including cost of consumables and T&P’s. | 13 | 120 | m2 |
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