Tamil Nadu Generation And Distribution Corporation Limited-TANGEDCO has published Mtps I Bm Unit Iii Boiler Pressure Parts Aoh 2021 Overhauling Of Secondary Air Dampers Scanner Air Fans And Its Damper Flap Gate Mtps I Bm Unit Iii Boiler Pressure Parts Aoh 2021 Overhauling Of Secondary Air Dampers Scanner Air Fans And Its Damper Flap Ga. Submission Date for this Tender is 02-03-2021. Ventilation Dampers Tenders in Mettur Thermal Power Station-I / Mettur Dam Tamil Nadu. Bidders can get complete Tender details and download the document.
| Name of Work: MTPS-I - BM – Unit - III Boiler pressure parts - AOH 2021– 22- Over hauling of secondary air dampers, Scanner Air Fans and its damper, flap gate- Reconditioning of damaged wind Box compartment, dampers, guide plates, insulation etc., | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Charges for cleaning of wind box, removing the connecting pins of secondary air dampers, freeing for the operations, rectifying damages, if any. Checking clearance and Lubricating. (13 Nos. of damper per corner) including T&P and consumables | Item1 | 4 | Corners |
| 2 | 2 | Removal of insulation from top & bottom of the wind box and refixing after completion of rectification works. | Item2 | 70 | m² |
| 3 | 3 | Charges for cleaning the accumulated ash deposits over the Wind box Top left & Right side. Inspection, rectification of eroded portions in wind box and assisting for air leak test.\n Charges for inspection and marking the flue gas/hot air leakage point in wind box and rear arch room area\n | Item3 | 1 | Unit |
| 4 | 4 | Charges for removing the eroded portions in wind box and welding with new plates inclusive of transportation, lead and lift, scaffolding arrangements, etc | Item4 | 1 | Unit |
| 5 | 5 | Charges for dismantling of A.C/ D.C scanner air fan end cover plate, motor, impeller etc attending defects/ overhaul works and assembling the same fan and normalizing, including T&P and consumables | Item5 | 2 | Nos |
| 6 | 6 | Charges for dismantling and inspection of delivery side flap gate of scanner air fan for free operation and rectification of defects if any and reassembling the same with new gasket, including T&P and consumables | Item6 | 1 | No |
| 7 | 7 | Over hauling of suction air dampers of air scanner fan by dismantling, cleaning, checking for smooth operation, rectification of defects noticed if any and replacing the worn out flange gasket, including T&P and consumables | Item7 | 2 | Nos |
| 8 | 8 | Over hauling of emergency air damper of scanner air fan system by dismantling, cleaning, inspecting of power cylinder operation, rectification of defects noticed if any and replacing the worn out minor spares | Item8 | 1 | No |
| 9 | 9 | Charges for leading, lifting of platform material arranging scaffolding and plat form wherever required inside the wind box per corner of the boiler for rectification works, dismantling after completion of work and normalizing site | Item9 | 1 | Time |
| 10 | 10 | Materials, T & Ps consumables as per annexure | Item10 | 1 | LS |
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