TNEB Limited Tender Results

NCTPS I SE MI circle AOH 25 26 BM Dn Unit I II III Overhauling of HP LP valves in PRDS WWBS safety valves and renewal rectification of HP LP valves steam lines drain lines in PRDS station and its connecting drain lines to IBD tank

Specification for Supply and Application of Silicon coating 570 RTV on supporting Insulators Equipments and Transformer Bushing on 230 KV side 110 KV and 22 KV Non coated portion at Muthiahpuram 230 KV Auto SS/Tuticorin in Tirunelveli Operation Ci

Power Saw Machine

Provision of Chain link fencing in the western side extension of damaged RCC cover slab in 230 and 110 KV yard at ayikudi 230/110 KV SS

Procurement of 300 Kg SF6 Gas in 50KG Capacity Cylinder 6 Nos to this Operation Circle - For topping up of SF6 gas in the circuit breakers to maintain pressure level in the existing breakers available at various substations in Tirunelveli opn circle

LT Metal Parts

NCTPS I SE MI Circle COH 25 26 MPM Dn Unit I Mills 1D 1E 1F Dismantling and lowering of MDVs MPOs Mill outlet Elbows and Classifier Blades Patch welding in worn out portion and dismantling of centre coal feed pipe Type I II SS chute Venturi assembly

NCTPS I SE MI circle AOH 25 26 BM Dn Unit I II III Dismantling cleaning and rectification of defective dislocated boiler seal trough seal plates SS woven wire mesh providing patch plate and coating of LUMEROUS HR 47 inside boiler

LT Three Phase Channel X Arm

NCTPS I SE MI circle AOH 25 26 BM Dn Unit I Renewal of eroded and damaged Primary Secondary GD screen sheets during annual overhaul for the year 2025 26

M.S.Bolt and Nut 3.5x5/8, 4.5x5/8

Upgradation of existing 33/11kV SS into 110/33-11kV SS at Naidumangalam with 1x16 MVA, 110/33kV Power Transformers and 2x10 MVA, 110/11kV Power Transformers

Supply of Hydrochloric Acid 30 to 33 percentage Technical Grade colourless liquid confirming to IS 265 of 1976 and reaffirmed in 1993

Providing Transformer plinth,Various structure plinths ,cable duct ,RCC road ,Retaining wall ,yard filling ,HBG Metal filling and allied civil works for Proposed Poochur 110 KV substation

Procurement of 110 KV 90 KN Polymer Insulators for lines division in Tirunelveli Operation Circle

Providing Barbed wire fencing to safeguard BOARD properties and to protect the TNEB land against unnecessary entry of animals, theft, encroachment by Government and Private parties etc, for Sanctioned 33/11 KV SS at Vellalore village, Kottanathampaty

MTPS I MM CS Procurement of Digital Multifunctional Printer

Pipe Intermediate support for cooling water pump

NCTPS I SEMI circle AOH 25 26 TM Dn Overhauling of various sizes of Motor Hand operated valves in Feed Water Suction FS Discharge lines FD Condensate lines CD and Isolation valves in LP HP heaters drip lines Pneumatic Motor operated

NCTPS I SE MI circle AOH 25 26 TM Dn Unit I II III Overhauling of HP by pass system by cutting the water injection lines dismantling of BP BPE s BD valves replacing rectification of defective valve stems cleaning checking attending oil leaks

NCTPS I SE MI circle AOH 25 26 TM Dn Overhauling and Pressure Testing of various Types of Safety Relief valves in High Pressure Low Pressure Heaters Deaerators and Auxiliary Steam Supply lines of Deaerators of Feed Water System

NCTPS I SEMI circle AOH 2526 TM Dn Removal of worn out Studs in Plate heat exchangers sea water and Auxiliary cooling water dummy plates in Unit I II III during Annual Overhaul Shutdown period 2025 26

NCTPS I SEMI circle AOH 2526 TM Dn Overhauling of Electrical Actuators in Condensate Feed water and Extraction Lines of Turbine Feed Water System for UnitI II III during Annual Overhaul 2025 26

NCTPS I SEMI Circle AOH 25 26 BM Dn Unit I Providing cup lock metallic scaffolding arrangements inside the boiler furnace up to the radiant roof to facilitate for inspection tube thickness survey in water wall platen SH inspection

NCTPS I SE MI Circle AOH 25 26 BM Unit I Complete Removal of worn out damaged insulation in boiler Drum down comer pipe line 6 Nos ring header areas during Annual Overhaul Long shutdown and relaying of insulation while unit in service

NCTPS I SE MI Circle AOH 25 26 TM Dn FWS Removal of damaged and Relaying of New LRB wool mattress and GI plain sheets after attending Overhaul works in Turbine Feed water system in Unit I II III during overhaul for the year 2025 26

NCTPS I SE MI Circle AOH 25 26 BM Dn Unit I Overhaul of ESP 2 streams during annual overhaul for the year 2025 26

NCTPS I SE MI Circle AOH COH 25 26 BM Dn Unit I Dismantling and refixing of 18 mtr spray station valve pipe line and impulse line cutting removal and including grinding edge preparation same to be welding stress relieving in the Spray station

NCTPS II Civil Maintenance Circle Civil Maintenance Division Repair and maintenance to the Ash silo s for arresting the ash leakage in Fly ash silo using PU grouting at NCTPS II

Works Contract for the execution of various works under Thuckalay Division

NCTPS I SE MI Circle AOH 25 26 BM Dn Unit I ID fans Renewal of ID fan 1A and 1B wornout impeller assembly dynamic balancing of shaft with impeller assembly during annual overhaul for the year 2025 26

NCTPS I SE MI Circle AOH 25 26 BM Dn Unit I FD PA air ducts A and B Pass Renewal Rectification of eroded and damaged duct wall and Its supports Renewal of expansion joints during annual overhaul for the year 2025 26

NCTPS I SE MI Circle AOH 25 26 BM Dn Unit I II III Overhauling rectification of boiler safety valves spray station control valves HP LP hand operated valves and safety valves floating during Annual overhaul for the year 2025 26

NCTPS I SE MI Circle R M 25 26 TM Dn Complete overhauling rectification fine tuning replacement reassembling and re commissioning of HP and LP governing racks elements and its accessories MAIN TURBINE GOVERNING SYSTEM

Construction of control room Building with Electrification, Providing Bore well , providing RCC road and chain link fencing alround area and all allied civil works for the proposed new Ranganoor 110/22 KV SS

NCTPS I SE MI circle AOH 25 26 BM Dn Unit II Flue Gas Duct B Pass Rectification of flue gas duct portions from APH outlet to chimney during annual overhaul for the year 2025 26

NCTPS I SE MI circle AOH 25 26 BM Dn Unit II Flue Gas Duct A Pass Rectification of flue gas duct portions from APH outlet to chimney during annual overhaul for the year 2025 26

NCTPS I SE MI Circle AOH 25 26 TM Dn Cleaning and Conducting of Hydraulic test of Lube and Working Oil Coolers renewal of aged and wornout gaskets in Boiler Feed Pump of Unit II III during AOH 2025 26

NCTPS I SE MI circle AOH 25 26 BM Dn Unit II Removal relaying boiler Insulation and its accessories in Burner corner windbox pent house 1st pass Drum encloser WWSB Dockhouse Eco ring header S panel 2nd pass Dockhouse

Work Contract for Erection of 33KV Liink Line from 110KV Denkanikottai SS to 33KV Jawalagiri SS in Jawalagiri section

Enq.No.78-I 25-26 Supply of 11KV AB switch with PT insulator

HT Tapping channel X arm as per sketch and specification 1000 nos

LT Three phase angle X arm as per sketch and specification

Procurement of stay set complete as per sketch and specification

Supply of 1 No. of Numerical Directional Overcurrent/ Earth fault relay as per specification to Coimbatore Operation Circle

Back clampand stay clamp pair for 9.0m psc pole as per sketch and specification

Supply of Rain suits 250 Nos to Coimbatore Operation Circle

LT Three phase X arm as per sketch and specification

LT GI PIN specification 25000 Nos.

Supply of Silica gel 1500 Kgs to Coimbatore Operation Circle