TNEB Limited Tenders

TTPS Operation Circle CAD Unit IV Annual maintenance in Cooling water pump house II LT 415V AC switch gear Bus A modules, breaker and Bus coupler during the forthcoming Overhaul Period 2026 to 2027

TTPS Operation Circle CAD CWPH I Unit III Annual Overhauling of internal and external assembly and Reconditioning of C.W.P Internal spares 3B, 3C and 3D of Unit III

MTPS I Mill Plant II Complete overhauling of gearbox mechanical face seal assembly worm shaft assembly replacing the worn out bulged insulation cover plate assembly scrapper assembly and worn out flexi coupling etc in Mills 2A to 2F during AOH

TTPS Operation Circle CAD Unit V Annual maintenance in Cooling water pump house II LT 415V AC switch gear Bus B modules and breaker during the forthcoming Overhaul Period 2026 to 2027

MTPS I CA CWS I Overhauling of sludge disposal pump and Cold and hot water tunnel vent valves Air Vent valves and gate valves including Painting of CT safety grills inside the fan stack area etc

MTPS I M I CA CWS I Cooling Tower II Overhauling of Flow Control Valves and including reconditioning of released FCV spares during AOH 2026 2027 of Unit II

Supply of 22KV Standalone structure material complete set - 300sets

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization, under works contract in Karaikudi I Lines section of Karaikudi Operation Division of Madurai Operation Circle

Providing Hiring Vehicle for the use of AEE Rural Pudukkottai

Enq.No.37 26-27 LT GI Pin LT pin insulator LT metal parts LT Shackle insulator and LT Guy insulator

MTPS I Mill Plant Unit II Hard facing of MS bend and multiple port outlets in coal flow lines Fabrication of MS bend 10 11 15 22 23 deg to suit dia 508 mm 12 7 mm thick coal pipe line during AOH 2026 27

Supply of 11 KV Polymer composite Pin Insulator 7000 Nos

TTPS Mech II BM Unit III Replacement of boiler pressure parts tubes bends in II pass of Unit III Boiler during overhaul for the year 2026 2027

MTPS I Mill Plant Unit II Dismantling and assembling of fuel inlet Elbows and Hard facing of Fuel inlet Elbows long and short during Annual overhaul 2026 27

Supply of Spares Suitable for 13 Stage Bottom Ash Water Pumps of Stage I and II

Annual Maintenance of 1 No. Johnson lift

Sunguvarchartram 400KV Substation

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization, under works contract in Karaikudi II Lines section of Karaikudi Operation Division of Madurai Operation Circle

TTPS MechII TM I UnitIII Inspection overhauling of HPT IPT control valves cam shaft assemblies and Turbine bearings during the forthcoming annual overhaul

Supply of 100NB SS 316 Gr Pipe and fittings for Drain Pump B delivery line in Ash Slurry Pump House of Unit IV and V

Hiring of 80/85 Ton capacity Hydraulic operated Telescopic Crane for 3rd Hot Gas Path Inspection of Gas Turbine

Siruseri 110KV SS in Chennai EDC/South - II

Central Store GCC-II/ Sriperumbudur

TTPS Mech II BM Unit III Inspection overhauling and commissioning of actuators of high pressure valves in boiler during the overhaul 2026 2027

Kaliyampoondi 110 KV SS in Kanchipuram EDC.

TTPS MechII TM I UnitIII Inspection Painting Overhauling of condenser cw pipelines hotwells etc during the forthcoming annual overhaul

TTPS MechII TM I UnitIII Removal of deteriorated cladding over the inner surface of condenser East West cooling water inlet spool piece and outlet bends and rebuild the cladding with special epoxy putties to the required level including cost of

TTPS MechII TM I UnitIII Inspection Overhauling Renewal of Piston seals Piston rod packings in HPLP Bypass valves Spray valves actuators Condenser Butterfly valves actuators and Steam line valves actuators for Main Turbine system Feed water syst

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization, under works contract in Kavanoor Lines section of Kavanoor Operation Division of Madurai Operation Circle

TTPS Mech II BM Unit III Dismantling the existing seal plates and re erection after rectification works in BAH and overhauling of boiler fill pumps hot well makeup pumps during 2026 2027 overhaul

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization, under works contract in Ramnad Lines section of Valuthur Operation Division of Madurai Operation Circle

TTPS MechII TM I UnitIII Overhauling of steam and condensate valves of Turbine Regeneration system during the forthcoming annual overhaul

TTPS Mech II BM Unit III Overhauling of Coal oil burner and its tilting mechanism of corner 1 2 long retractable soot blower LRSB and water wall soot blower in Unit III Boiler during the year 2026 2027

TTPS MechII TM I UnitIII Overhauling of feed water tank deaerator vent condenser and overhauling of feed water valves steam condensate valves during the forthcoming annual overhaul

TTPS MechII TM I Overhauling of Air compressors in Unit I II III for the year202627

Sunguvarchatram 400/230-110KV Substation.

TTPS Mech II BM Unit III Overhauling of Oil Heater Assembly OHS during the year 2026 2027

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization, under works contract in Valuthur Lines section of Valuthur Operation Division

TTPS MechII TM I UnitIII Conducting tube Cleaning in the inner surface of the condenser for its entire 10 02m length using a flexible hose fitted with nylon brush and fine water tube jet arrangement subsequent jet cleaning and Inspection of

Numerical Over Current Protection Relays for LT Switch gear Feeders

TTPS Mech II BM Unit III Replacement of plugged eroded Economizer coil assemblies from right end to middle area in Unit III Boiler during overhaul for the year 2026 2027

TTPS MechII TM I UnitIII Reconditioning of Lub oil Seal oil cooler cooling water butterfly Gate valves of various sizes during the forthcoming annual overhaul

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization, under works contract in Palani Lines section of Sembatty Operation Division of Madurai Operation Circle

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization, under works contract in Theni II Lines section of Theni Operation Division of Madurai Operation Circle

S.55 NCTPS II ES circle EM II Dn SDn III Charges towards Rewinding of 25 Nos of 37KW/0.5HP, 0415V 1390RPM rated LT Rapping motors in Unit I and II ESP system

S.13 NCTPS II ES circle MRT Division Lab Rewinding of 45 Nos 3 phase LT Induction Motors of various capacities form 0 5KW to 15KW Type S2 Short time rating pertaining to the actuators of Unit I and II actuator Common areas and wall blowers of un

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization, under works contract in Renganathapuram I and II Lines section of Renganathapuram Operation Division of Madurai operation circle

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization under works contract in Kinnimangalam Lines section of Kinnimangalam Operation Division of Madurai Operation Circle

S.43 NCTPS II ES circle EMII Division Charges towards comprehensive Annual Maintenance Contract of ESP I and II passenger lift Make Emperor Lift Capacity 680Kgs for a period of One year from the date of commencement of work

preventive Maintenance and Emergency Breakdown works in EHT Lines for One year from the date of utilization, under works contract in Pasumalai Lines section of Pasumalai Operation Division of Madurai Operation Circle