TTPS ES Circle Instn I Combined Estimate for annual overhaul works during the year 20262027 covering Boiler and Turbine Instrumentation sections including releasing, transporting, overhauling calibration cleaning painting re-fixing testing and commissioning of Burner Tilt power Cylinders, SADC power Cylinders, Level Switches, Thermocouples, BTH’s pressure Gauges, pressure Switches, Bearing Temperature Gauges, Vibration pickups, Servo Valves, Blocking Units, Transmitters, Aerofoil impulse lines, PA/SA flow impulse lines, Dust collection pots,9020 System panels, 28V Rectifier panels and associated instruments in Boiler and Turbine areas of Unit III
TANGEDCO · Tamil Nadu · Electrical Equipment & Supplies · open
Key facts
- EMD: ₹3K
- Published: 24 Sep 2026
- Closing date: 08 Oct 2026
- Status: open
- Department: TNEB Limited
- Office: CE-TTPS - TANGEDCO
Description
Combined estimate for annual overhaul works during 2026-2027 at TTPS, covering various instrumentation and associated works in boiler and turbine areas, including releasing, transporting, overhauling, calibration, cleaning, painting, re-fixing, testing, and commissioning of multiple instruments and components.
Eligibility & requirements
- Startup relaxation: No
- MSE relaxation: No
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Commercial terms
- Bid type: Item Rate
- Make in India (MII): No
- MSE preference: No
Line items (7)
- Charges for releasing, transporting, overhauling, painting, refixing and conducting functional test on Burner tilt power cylinders. — Qty: 4 Nos
- Charges for removing the cotter pins, disconnecting the air lines, removing the positioner from the Boiler wall mountings, transporting to workbench, cleaning, replacing seal kits and bellows with new seal kits and new bellows, checking and refixing of SADC positioner in SADC power Cylinder. — Qty: 44 Nos
- Removal, cleaning and refitting of BTH and other instruments after calibration (Bearing Temperature Gauges, Vibration pickups, Pressure Gauges, Temperature Gauges, Transmitters, Pressure Switches). — Qty: 435 Nos
- Charges for opening and cleaning of impulse lines and catch pots in mills, flue gas, primary and secondary air paths, aerofoil ducts. — Qty: 38 Nos
- Routine cleaning and signal terminal tightness checking of control panels (Keltron9020 System panels, 28V Rectifier panels). — Qty: 22 Nos
- Dismantling, cleaning and replacement of gaskets and refitting of level switches. — Qty: 17 Nos
- Removal of Bearing temperature gauges of Boiler feed Pumps, main condensate pumps, compressors, Transmitters, HP/LP bypass servo valves, Blocking unit Pressure switches, pressure gauges and vibration pickup and refixing them after calibration in turbine area. — Qty: 272 Nos
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