MTPS I BM Unit II Annual maintenance 2026 27 A and B stream Boiler PA fans FD Fans ID Fans and its isolation dampers and APH gear box
TNEB Limited · Mettur Dam · Testing & Calibration Services · open
Key facts
- EMD: ₹14K
- Published: 28 Sep 2026
- Closing date: 12 Oct 2026
- Status: open
- Office: TANGEDCO
Description
Tender for annual maintenance of boilers, fans, dampers, gearboxes, and associated components at Mettur Thermal Power Station-I for the year 2026-27, including overhauls, repairs, and replacements as detailed in the scope.
Eligibility & requirements
- Startup relaxation: No
- MSE relaxation: No
New to these terms? Read how tender eligibility criteria work.
Commercial terms
- Make in India (MII): No
- MSE preference: No
Line items (33)
- Charges for complete overhaul of PA fans which includes both bearing of NDE and DE lub oil systems, and checking of impeller, impeller casing, shaft seals, taking readings on coupling alignment impellers gap and all bearings cleaning and checking shaft level of PA Fans — Qty: 2 Nos.
- Overhauling of gates PAD3, gear drives including changing of ropes, overhauling of gear box, and damper leaves. — Qty: 2 Nos.
- Overhauling of damper flaps, link rods of PAD1 including cleaning of primary air duct expansion joint etc — Qty: 2 Nos.
- Charges for De-coupling / Coupling and of PA Fan motor with fan — Qty: 4 Nos.
- Complete overhaul and checking of FD fan bearings, (both inner and outer) impeller housing shafts, taking readings on coupling alignment. Impeller clearance and checking housing verticality on bearings, removal of corroded/worn out drive lever arrangement, suspension bush, etc. and renew the same as instructed by Engineer in charge. — Qty: 2 Nos.
- Overhauling of SAD 3 gear drive damper cleaning air duct up to air pre heaters and attending minor repair works on duct and expansion joints and dampers etc. — Qty: 2 Nos.
- Charges for De-coupling / Coupling and of FD Fan motor with fan — Qty: 4 Nos.
- Complete overhaul of ID fans which includes cleaning checking & couplings on both sides of voith coupling, checking of fan bearings, impellers, impeller casing and shaft seals, taking readings on impellers clearance, impeller thickness, coupling alignment readings. — Qty: 2 Nos.
- Opening of voith coupling oil tank cover, drain the working oil, cleaning and checking the internals and closing the cover and renewal of working oil including cleaning the oil filters. — Qty: 2 Nos.
- Charges for cutting and inspection hole in ID fan impeller conical cover plates at both sides by gas cutting and removing of fly ash deposited inside inspection of inner side and welding the same. — Qty: 2 Nos.
- Charges for De-coupling /Coupling of ID fan motor with voith coupling (Primary side). — Qty: 4 Nos.
- Charges for De-coupling /Coupling of ID fan motor with voith coupling (Secondary side). — Qty: 4 Nos.
- Alignment of motor with PA Fan/FD Fan/ID Fan/ voith coupling — Qty: 8 Nos.
- Removal of auxiliaries connected with speed reducer of APH such as AC motor fluid coupling over running clutch bibby coupling and air motor assembly, including removal of gear box from its bed and lowering to the floor for carrying out overhaul works — Qty: 2 Nos.
- Complete overhaul of speed reducer gear box, of APH including changing the damaged helical pinion shaft, gear and bearing if necessary and assembling the same after completion of overhaul. — Qty: 2 Nos.
- Overhaul of air motor, over running clutch, Bibby coupling and connected air lines, valves etc. including changing the damaged filters valves if necessary etc. — Qty: 2 Nos.
- Refitting of speed reducer gear box in the bed and refitting the auxiliaries connected with speed reducer such as AC motor, fluid coupling over running clutch, bibby coupling and air motor and airline assembly etc. — Qty: 2 Nos.
- Alignment of APH drive motor with speed reducer through fluid coupling — Qty: 2 Nos.
- Checking pin rack gap between rotor and drive units and adjusted to the required clearance — Qty: 2 Nos.
- Arresting air leakage in and around the pinion air seal assembly, air seal assembly cover and patch up, filling weld metal on the eroded portion of the pinion air seal, replacing the carbon ring with tension spring — Qty: 2 Nos.
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