Tamil Nadu Generation And Distribution Corporation Limited-TANGEDCO has published Tender For Ttps Mech Ii Bm Unit Iv Overhauling Of Wind Box Sadc Ac Dc Scanner Fans Of Unit Iv Boiler During Overhaul For The Year 2023 2024. Submission Date for this Tender is 18-07-2023. Boiler Supply Tenders in Tuticorin Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Renewal and repairing of Damaged Insulation and Refixing Skin casing inclusive of necessary Scaffolding arrangements including T&P"sand consumables etc, |
| 2 | Removing the eroded portions in wind box and welding with new plates inclusive of transportation, lead and lift, scaffolding arrangements. |
| 3 | Cutting removal of worn out air dampers fixed & moving blades, shaft,preparing air compartment plates, shaft and damper blades, welding shaft with moving blade and making proper alignment and checking for free operation. |
| 4 | Dismantling of A.C/ D.C scanner air fan end cover plate, motor, impeller etc overhaul works and assembling the same fan and normalizing. |
| 5 | Complete O/H of LT Motor 1.2 KW to 9.3 KW. (If working on height Above 15 to 30 Mtr-20% Extra,Above 30Mtr-30% extra). |
| 6 | Over hauling of LRSB valve assembly, alignment of LRSB Lance tube & Servicing of LRSB travelling carriage assy., rotary &traverse chains etc. |
| 7 | Over hauling of emergency air damper of scanner airfan systemby dismantling, cleaning, inspecting ofpower cylinder operation. |
| 8 | Dismantling and inspection of delivery side flap gate of scanner air fan for free operation and rectification defects if any and reassembling the same with new gasket. |
| 9 | Charges for Leading, lifting and arranging platform and scaffolding where required in the boiler and dismantling after completion of work. |
| 10 | Charges for Insulation wool mattress confirming to IS 8183 of issue of with 1/2" x 23 swg wire netting at single size, bult density 150 kg/Cumand size of 1520 mm x 1220 mm x 60 mm thick (Double lagging therefore 2 M2 of insulation is required for providing insulation for an area of 1 M2 ) |
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