TTPS ES Circle EM III Cleaning of electrical equipments Assisting for maintenance of 6.6 kV ABB make SF6 H.T Breakers Panels C and S make L.T Switch Gear and floor Cleaning in Unit IV and V for the period from 08.10.2022 to 31.03.2023

Assisting the periodical preventive maintenance testing like daily, weekly, monthly, quarterly, yearly etc for HT breakers in 6.6 kV HT Switch Gear 4A,4B,C3A,5A,5B & C3B, and all other related equipments available in HT Switch Gear Area and recording of results as per ISO Procedures

Assisting the periodical preventive maintenance testing like daily, weekly, monthly, quarterly, yearly etc for LT Switch Gears USS-IV &V, TVMCC-IV&V, N/E-IV&V, DG-IV&V & SSS-A&B and bus coupler and DC switch gear of 220V DC-IV&V, +24V DC-IV&V, 220V DC Station switchgear and buses, Modules, breakers and Isolator and all other related electrical equipments available in LT Switch Gear Area and recording of results as per ISO Procedures

Charges for cleaning in 6.6 kV control room floors and LT Switch Gear room floors in Unit-IV &V. (LT Switch Gears in USS, TVMCC, N/E, DG & SSS-A&B and 220 V DC switch gear, +24V DC, 220V DC Station switchgear, with floor cleaner / water for a total area of 1500 M2.

Servicing of ABB make 6.6 kV, SF6 Breakers in HT bus of Unit IV & V which involves Dismantling the mechanism, spring charging motor, limit switches and the wheels from the breaker truck. Complete servicing all dismantled parts (ie) cleaning for removing coal dust deposition and then lubricating the mechanism parts, servicing the spring charge motor, limit switches wheels etc.,Assembling all the serviced parts in the breaker truck alignment carried out and check the operating condition to satisfactory level.

Charges for Fabrication and supply of " YOKE " suitable for ABB make 6.6 KV SF6 HT breakers of Unit IV & V which involves moulding charges, machining charges and finishing charges

Assisting for daily cleaning and checking of all Generator Transformers, Transformer yard, Checking transformer temperature, Silica gel checking / replacing for 150 shifts in Unit-IV.

Assisting for daily cleaning and checking of Unit Service Transformers A&B, 16MVA Unit auxiliary Transformer A&B, Transformer yard, cleaning the NGR of UST’s, cleaning the NGR & NGT of UAT’s, Silica gel checking / replacing for 150 shifts in Unit-IV

Assisting for daily cleaning and checking of all Generator Transformers, Transformer yard, Checking transformer temperature, Silica gel checking / replacing for 150 shifts in Unit-V.

Assisting for daily cleaning and checking of Unit Service Transformers A&B, 16MVA Unit auxiliary Transformer A&B, Transformer yard, cleaning the NGR of UST’s, cleaning the NGR & NGT of UAT’s, Silica gel checking / replacing for 150 shifts in Unit-V

Charges for Floor cleaning with floor cleaner / water for a total area of 1500 M2 in Indoor Switch Yard -II of Unit-IV &V

S. MURUGAN CONTRACTOR