Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Tender For Nctps Ii Mi Circle Mpm –Ventilation- Unit I & Ii “Bc Row” Air Washer System.– Removal And Renewal Of 2,00,000 Cmh Capacity Air Washer Tank Eliminator Fixing Frames And Supports, Replacement Of Spray Headers With Branch Pipes, Circulation Water. Submission Date for this Tender is 23-01-2023. Ventilation Dampers Tenders in Thiruvallur Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Charges for leading and transportation of iron and steel materials like MS Channels and anglesfrom store to site including hire charges for mobile crane |
| 2 | Charges for removal of wornout / damaged eliminator fixing frames & supports by cutting & welding,this work involves providing scaffolding for removal of corroded items, welding supports if required in air washer tank during removal of corroded items at 6mtr elevation from the Air washer room floorinsideair washer Tank, Transporting removed corroded items from 8.5mtr Elevation to 0 mtr elevation and devoluted to stores, including the cost of Consumable and T&P hire charges. |
| 3 | Charges for fabrication and erection of Eliminator fixing frames & supports, by cutting & welding, this work involves fabrication of frames suitable for eliminators of 2,00,000 air washer tank, leading, lifting of fabricated frames, erecting the frames in position and doing the fitup welding, after inspection of site incharge completing the final welding, arranging the eliminators & commissioning, including the cost of Consumable and T&P hire charges.(required M.S material supplied by Tangedco) |
| 4 | Charges for dismantling of 250NB damaged ERW pipe by cutting & welding |
| 5 | Charges for erection of 250NB carbon steel Pipe forcirculation water pumpoutlet line in Unit II BC row ventilation system. This work involves lifting, positioning, aligning, welding and painting of 1 coat zinc primer and 2 coat of enamel paint, leak testing and commissioning. (250NB carbon steel seamless pipes will be supplied by board at free of cost) |
| 6 | Charges for dismantling of 200NB damaged ERW pipe by cutting & welding. |
| 7 | Charges for erection of 200NB carbon steel Pipe for circulation water pump outlet line in Unit -II BC row ventilation system. This work involves lifting, positioning, aligning, welding and painting of 1 coat zinc primer and 2 coat of enamel paint, leak testing and commissioning. (200NB carbon steel seamless pipes will be supplied by board at free of cost) |
| 8 | Charges for fabrication of 1No. M.S. bend out of 150 NB M.S pipe by cutting and welding including Consumables and T&Ps. (150NB MSpipes will be supplied by board at free of cost) |
| 9 | Charges for fabrication of 1No. M.S. bend out of 200 NB M.S pipe by cutting and welding including Consumables and T&Ps. (200NB MSpipes will be supplied by board at free of cost) |
| 10 | Charges for fabrication of 1No.M.S. Reducer of 250/150NB M.S pipe by cutting and welding including Consumables and T&Ps. (250NB MSpipes will be supplied by board at free of cost) |
| 11 | Charges for fabrication of 1No.M.S. MS Reducer of 200/125NB M.S pipe by cutting and welding including Consumables and T&Ps. (200NB MSpipes will be supplied by board at free of cost) |
| 12 | Charges for dismantling of circulation water pump & motor (200M3/Hr, 30 KW ) : This work involves isolating the pump by closing the suction & discharge valves, removing the coupling guard , decoupling the pump & motor, removing all the bolts and freeing the inlet and outlet flanges so that the pump can be moved from the bed.and providing the dummy at inlet and outlet flanges to arrest the water leakage. as per the direction of site Engineer incharge. |
| 13 | Charges for dismantling of eroded base frame of circulationwater pump (200M3/Hr, 30 KW) : This work involves cutting of wornout pipe supporting materials, and cutting of wornout pump base frame ,removing the existing foundation grouting and foundation bolt from bed, etc.,as per the direction of site Engineer incharge. |
| 14 | Charges for fabrication of MS base frame , this work involves cutting & welding of structurals materials, machining the base plate, marking, drilling & tapping the required size in pump and motor bed, cleaning and painting the base frame and structures.(Required MS materials will be supplied by board)as per the direction of site Engineer incharge. |
| 15 | Charges for Fixing of base frames of circulation water pump: This work involves fixing and grouting of foundation bolts, fixing of pump & motor in base frame, grouting of base fame, placing the pump and motor on bed, alignment with pump and motor,then coupling the motor and pump, removing the inlet and outlet dummy, assembling the inlet and outlet flanges, trial run and commissioning of condenser water pump. |
| 16 | Charges for dismantling the 100000CMH AWU tank worn out/ Corroded spray pipe assemblies with nozzles by cutting and removal of worn out /corroded pipes, repairing the pipes mounting areass in the header, fixing and welding with new spray pipes assemblies and spares including setting of nozzles, commissioning ,cost of consumables, one coat of painting and transporting the released material to NCTPS-II stores. |
| 17 | Charges for providing MS Supports for 200NB/250NB MS ERW pipe lines including cutting, drilling.,fixing clamps and fasteners and welding if necessary.(MS Material will be supplied by board at free of cost |
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