SE/GTS-OT-11/2024-25

Amount

Maintenance of Modules below 45kW rating -Routine (Once in 3months)

Maintenance of Modules above 45kW rating & LT Breaker- Routine (once in 3months)

Rectification of Light fittings below 4.5metres height (as and When necessity arises)

Rectification of Light fittings above 4.5metres height (as and When necessity arises)

Maintenance of LT motors below 25HP/18.5kW rating- Routine (once in 3 months)

Maintenance of LT motors above 25HP/18.5kW rating –Routine (once in 3 months)

Maintenance of HT motors Routine (Once in 3months)

Maintenance of 110KV isolators, PTs, CTs, CVTs, LASs etc.- Routine (once in 3months)

Maintenance of HT circuit Breakers (110KV, 11KV & 6.6KV) – Routine (once in 3 months)

Maintenance of Transformers- Routine (Once in 3 months)

Maintenance of Batteries (125V, 220V, 384V , PLCC, DG Set & FW pumps) (Once in a week)

Breakdown Maintenance of Intercom telephone (as and When necessity arises)

Extension of Temporary Supply (as and When necessity arises)

Painting of electrical equipments

Taking daily readings and monitoring the MCCs, Transformers, all breakers, isolators & parameters of various equipments and checking of Telephone as per walk down check list. (Daily)

Maintenance of PT cubicles( Once in 6 Months)

Electrical & Mechanical Isolation & Reconnection works below 18.5KW motors

Electrical & Mechanical Isolation & Reconnection works above 18.5KW motors

Assist the activity involved during startup of GTG/STG in forced outage / planned shutdown.

Maintenance of Quarters all electrical installation break down works including Fuse off call

Calibration of Voltmeters / Ammeters

Calibration of KW/KVAR/PF/KWH/Trivector meter/ Transducer

Calibration of Bimetallic, Electromagnetic & Static relays

Testing of Generator protection relays(Beck with M3425) and Transformer protection relays (DUO-Bios)

Testing of Other Numerical Relays

Testing of 11KV,6.6KV & 415V Breakers

Testing of 110KV Breakers

Cleaning and tightness checking control circuit in LT modules and fire detectors.

Cleaning and Tightness of GRP, GCP, RTCC, Fire panels, Switch Yard Mimic panel, SCADA panel, Tariff metering panel, Charger panel, EACP panel, VFD and UPS

Terminal tightness checking of 110KV,11KV,6.6KV & 415V CT & PT Secondary

Testing of Current Transformers

Testing of Potential Transformers

Testing of Power Transformers for Buchloz relay, PRD, PRV, MOG, OLTI, WTI

Testing of Power Transformer for DC resistance, OC/SC, Ratio test &trouble shooting

Lubricating cleaning, checking of control circuit of MOV's

Limit setting of torque, open & close limit switch of MOV's

Breakdown maintenance cost

Maintenance of Modules and LT Breaker- Routine (once in 6 months)

Maintenance of EOT cranes & Electrical Hoist control panel (Once in 3 months)

Maintnance of CCTV and DVRS

Cleaning Checking and Calibration of field instruments as directed by the Engineer Incharge

Cleaning Checking and Calibration of Pneumatic Control valves as directed by Engineer Incharge

Cleaning Checking and Calibration field Solenoid valves as directed by the Engineer Incharge

Cleaning and Inspection of field instruments lines and attending defects in normal days

Cleaning and Inspection of all field instruments lines and attending defects in shutdown days

Inspection cleaning of equipments in CCR and maintain control supply to DCS panels in normal days

Inspection cleaning of equipments in CCR and maintain control supply to DCS panels in shutdown days

Dismantling refixing of Instruments lines for Mechanical Maintenance works as directed by Engineer

Breakdown maintenance includes problem solving and replacing of defective equipments

Cleaning, inspection and defective replacement of all Local Area Network Accessories

Removal and Re-erection of C&I instruments and its signal cables during major works.

Assisting Operator in Central Control Room for monitoring & recording important parameters and readings Assisting Operator for monitoring and recording important parameters and readings of Energy meters in Switchyard control room, switch gear room, CW MCC (once in a day)

Racking IN/OUT of 6.6 KV VCB, LT ACB at Switch Gear Room and removing of module fuses etc.,

Assisting the Main Control Room operators during Startup/ Shut down of the Unit.

Assisting Operator for monitoring and recording important parameters and readings at GBC, IA/ PA compressors, STG, GTG, BOP,CW areas and parameters like lube oil level, Bearing temperature etc., as directed by the operator (Once in each shift)

Checking for any abnormality in sound, leakage etc.,Checking in switchyard like, taking readings of SF6 Gas pressure etc., checking of breaker and isolator conditions, checking glow, Checking of Switchyard battery, station batteries and battery chargers etc., and taking Sp. gravity readings in the pilot cells. in each shift

Assisting the switch yard operations during feeder Issuing/Normalization of L.C

Checking of oil level in the transformers of GTG, STG, UAT and Station transformers and taking oil/Winding temp. Readings locally (Once in each shift).

Assisting Shift operators during routine changeover of equipments, Assisting during DG set trial runs, GT online water wash, GT pulse cleaning system start/stop etc.,

Other operations like opening / closing of valves like De-aerator, CRT quick filling valve opening /closing as instructed by the operators.

MS Contractors (BID ID -1130719)