Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Tender For Nctps I Se Mi Circle Aoh 23 24 Bm Dn Unit I Conducting Tube Thickness Survey In Boiler S Panel Area Rectification. Submission Date for this Tender is 27-06-2023. Mechanical engineering Service Tenders in Thiruvallur Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Charges for renewal of defective boiler tubes of S panel size above 44.5mm OD inclusive of transportation, cutting of defective tubes, edge/spool preparation, welding with IBR welder and assisting for hydraulic test, including consumable and hire charges for T&P"s. |
| 2 | Charges for buffing water wall tubes for tube thickness survey, including consumable and hire charges for T&P"s. |
| 3 | Charges for conducting tube thickness survey at Water wall "S" panel by engaging certified agency and Reporting, including for ultrasonic thickness gauge, consumable and hire charges for T&P"s. |
| 4 | Charges for fin welding: Charges for fin welding by cleaning, surface preparation and welding, including consumable and hire charges for T&P"s. |
| 5 | DRUM OVERHAULING: Charges for opening the drum manhole doors, cleaning & inspection of drum internals, flushing of phosphate dosing line by cutting and welding, cleaning and inspection of screen dryers, and providing new gasket for manhole doors, including consumable andhire charges for T&P"s. |
| 6 | Checking of weld cracks in separation chamber and welding the cracks with IBR welder, including consumable and hire charges for T&P"s. |
| 7 | Dismantling the turbo separator for cleaning and refixing in position, including consumable and hire charges for T&P"s. |
| 8 | Charges for leading, lifting and arranging platform and scaffolding wherever required in the boiler and dismantling after completion of work, including consumable and hire charges for T&P’s. |
| 9 | Refractory: Charges forchipping removal of old defective refractory, cleaning, surface preparation, mixing the refractory with water application and curing the patch worked refractory in Boiler and transporting the refractory from stores and unloading at site, leading, lifting, stacking at 0 mtr to 52 mtrs elevation of Boiler and removing the waste refractory from Boiler lowering to the ground flower, loading to tipper and disposing at waste disposal area, including consumable andhire charges for T&P"s. |
| 10 | Charges for dismantling of Scanner air and Ignitor air fan end cover plate, motor, impeller etc overhaul works and assembling the same fan and normalizing, including consumable and hire charges for T&P"s. |
| 11 | Charges for dismantling and inspection of delivery side flap gate of scanner air fan/ Ignitor air fan for free operation and rectification defects for free operation and rectification defects if any and reassembling the same with new gasket, including consumable andhire charges for T&P"s. |
| 12 | Overhauling of emergency air damper of scanner air fan system by dismantling, cleaning, inspecting of power cylinder operation. Charges including consumable and hire charges for T&P"s. |
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