Tamil Nadu Generation And Distribution Corporation Limited Tender

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Tamil Nadu Generation And Distribution Corporation Limited - TANGEDCO Tender

Electrical and Electronics
Electrical Works
Eprocure
Opening Date7 May 2022
Closing Date24 May 2022
Tender AmountRefer Documents 
Notes
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Costs

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BOQ Items

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DO_NOT_SHOW

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Calibration of pneumatic control valves operated by I/P positioners, smart positioners and Hydraulic valves operated by I/H converters and LVDTs, Calibration of CEMS analyzer

80

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100

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Daily Walk down and visual inspection of field instruments

270

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100

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Cleaning and terminal tightness checking of Pressure/temperature/flow/level Transmitters, switches, signal conditioners & sensors, Junction Boxes, On/Off valve Actuator etc. impulse line flushing and leak attending work

500

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100

... More
Cleaning, terminal tightness checking and leakage arresting of Pressure/Temperature gauges Thermocouples, RTD, SOV, Limit switches and SWAS & CEMS equipment’s etc.

240

-

100

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Control valve positioner/air filter regulator/airlock relay/ Volume booster etc. cleaning and leak attending work

80

-

100

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GT ABB DCS, STG Siemens DCS, DM Plant Modicon PLC modules, Woodward Governing, TSI system, FIM cleaning and terminal tightness checking work

240

-

100

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Other PLC in IA/PA, IP/LP Injection, ETS, N2 system, etc. module cleaning & terminal tightness checking work

100

-

100

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GT, STG, DM plant OWS and EWS & Server system cleaning work

30

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100

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GTG & STG Startup activities

24

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100

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Break down maintenance / Replacement / Releasing and Re-fixing of field instruments

-

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-

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Replacement/Releasing and re-fixing of pressure/temperature/flow/level transmitters & switches and other field instruments etc. for defect and mechanical co-ordination work

160

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100

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Replacement/Releasing and re-fixing of field instruments such as gauges, RTD, Thermocouple, manifolds and impulse line except turbine area.

100

-

100

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Replacement/Releasing and re-fixing of ON/OFF valves/Actuators, Limit switches, Pilot actuators, Air regulators, O-ring and gaskets etc. for defect and mechanical co-ordination

100

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100

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Replacement/Releasing and re-fixing of Pneumatic control valve's positioner, position transmitter, airlock relay, volume booster, limit switches etc, vibration sensors, speed sensors, thermocouples/RTDs in Gas and steam turbine area. for defect and other Mechanical co-ordination work

160

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100

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Assistantship in DCS control loop checking of signals and cable healthiness checking, spare cable tracing etc. and Electrical co-ordination work

240

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100

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Replacement/healthiness checking of ABB Symphony harmony/Siemens DCS, Modicon PLC, Woodward Governing system modules & other PLC cards and FIM replacement etc

100

-

100

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Functional checking of pressure/ temperature transmitters/switches /RTD/ Thermocouple/flame scanner, Transducers etc. with DCS, vibration measurement of motors/pumps and operational checking of ON/OFF solenoid valves and limit switches Pneumatic control valves.

180

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100

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Assistantship in check measurement of new materials

30

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100

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METER & RELAY TEST

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Calibration of voltmeter / Ammeters /Timers includes safe release of meter/timer from panel / testing of meter & meter and physical verification, cleaning attending minor defects, repairs /adjustments, refixing of meter/timer, checking for correctness and restoring normalcy, handling of testing kits / equipments and maintaining of registers etc, as directed by the engineer in charge

300

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100

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Calibration of KW/KVAR/PF/KWh/ Trivector Meter and all transducers including safe release of meter/transducer from panel/testing and physical verification, cleaning attending minor defects, repair/adjustment, refixing, checking for correctness and restoring normalcy, handling of testing kits/equipment and maintaining of registers etc, as directed by the engineer in charge

180

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100

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Calibration of Bimetallic relays Electromagnetic relays and static relays including safe release of relay from panel/testing relay and physical verification, cleaning attending minor defects, repair/adjustment, refixing, checking for correctness and restoring normalcy, handling of testing kits/equipment and maintaining of registers etc, as directed by the engineer in charge

400

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100

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Testing of Numerical relays, CT, PT, CVT, Surge Arrester/Capacitors (HV/EHV) including safe release of relay from panel/testing of relay and physical verification, cleaning attending minor defects, repairs/adjustments, refixing of relay, checking for correctness and restoring normalcy, handling of testing kits/equipments and maintaining of registers etc, as directed by the engineer in charge

110

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100

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Testing of AVR, SEE/SFC, Generators, Power transformers, 110KV and 11KV Circuit Breakers handling of testing kits/equipments and maintaining of registers, etc, as directed by the engineer in charge

26

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100

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Testing and Troubleshooting of breakers upto 6.6KV rating, lighting transformers, HT and LT Motors, handling of testing/equipments and maintaining of registers etc, as directed by engineer in charge

56

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100

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Lubricating cleaning, checking of control circuits tightness and healthiness in both end (local and module end), Disconnection and Reconnection of Control cables on Motorize/d valve/Smart Mov's and maintaining of registers etc, as directed by engineer in charge

74

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100

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Limit setting of torque and limit switch of motorized valve/Smart Mov's checking of control circuits and maintaining of registers etc, as directed by engineer in charge.

74

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100

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Troubleshooting of control circuits problems in all type of LT & HT modules, Checking for tightness healthiness cleaning of all type of control and relay panels, UPS, Chargers, LT & HT module, control and annunciation panels, fire panels, fire detectors and CO2 fire protection etc, and maintaining of registers etc, as directed by engineer in charge

400

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100

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Troubleshooting and cleaning of SCADA, Routine maintenance of CCTV, Intercom, PA System , Bio metric and LAN.

90

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100

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Assistance to the maintenance Engineers during GTG & STG startup and shutdown, commissioning of new equipment & other activities as directed by engineer in charge

24

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100

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Monitoring, taking daily walk down check list of all important parameters in the station, checking of all fire systems and checking of all intercom connection healthiness

270

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100

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Electrical Maintenance-I

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Maintenance of modules below 45 kW rating (once in 3 months) & breakdown works.

1125

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100

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Maintenance of LT Modules 45 kW & above rating regular(once 3 months) & breakdown

240

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100

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Maintenance of LT Breakers & tie breaker 630A and above rating regular (once in 3 months) & breakdown

90

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100

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Maintenance of LT motors below 25 HP/18.5 kW and rating regular (once in 3 months) & breakdown works.

800

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100

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Maintenance of LT motors 25 HP/18.5 kW and above regular (once in 3 months) & breakdown works

142

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100

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Maintenance of HT motors, regular (once in 3 months) & breakdown.

14

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100

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Maintenance of HT circuit breakers, regular (once in 3 months) & breakdown works

40

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100

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Maintenance of carbon brushes GTG / STG excitation, regular (once in a month) and breakdown

120

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100

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Replacement of worn-out bearing of LT Motors below 18.5 kW

30

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100

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Replacement of worn-out bearing of LT motors 45 kW up to 150 kW.

10

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100

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Painting of Electrical Equipment up to 25 H.P/18.5kW Motors

70

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100

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Painting of Electrical Equipment above 25 H.P/18.5kW up to 200 HP Motors

20

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100

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Co-ordination work with MRT for testing of Generators includes Disconnection and Reconnection of Links to isolate the equipments

4

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100

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Vertical Mounting Motors & Above 4.5mtrs height Motors Releasing and Refixing due to unexpected motor winding burnout, breakdown and Mechanical Co-ordination work.

20

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100

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100HP, 75KW, ACC Fan Motors Releasing, unloading, loading and Refixing due to unexpected motor winding burnout and breakdown work.

4

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100

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Electrical Maintenance-II

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Rectification of indoor and outdoor lighting such as tube light fittings, LED, SV and MV lamp fittings etc., Below 4.5mtrs height.

250

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100

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Rectification of indoor and outdoor lighting such as tube light fittings, LED, SV and MV lamp fittings etc., Above 4.5mtrs height

124

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100

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Maintenance of Feeder Equipment (110KV SF6 Breaker, 110KV Isolators with earth, CT’s, CVT’s, and LAS) in switch yard once in 2 months

28

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100

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Maintenance of GTG/STG Transformers and Auxiliary Transformers like UAT’s, APT’s, Rectifier Transformer and Lighting Transformers once in 2 months.

60

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100

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Maintenance of Battery set and once in a week (1160 Cells *26 Weeks)

60320

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100

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Extension of temporary supply.

150

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100

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Pre checks and Assistance During GTG and STG Startup

24

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100

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Painting of MOM Box sets, CT sets and PT sets at 110KV switch yard, & local panel board box.

24

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100

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Co-ordination work with MRT for testing of Transformers & 110 KV Circuit Breakers

20

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100

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Electrical installations such as street lights, power pillar boxes, mini power pillar boxes, Earthing, UG cables, water pump house, sewage pump house, fuse of call ,Security room and other important electrical equipment works at VGTPS Staff Quarters.

1460

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100

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Operation

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Phase-IIMain Control Room: – Carrying out assistance operation works in taking periodical readings, Battery and Battery charger readings and in operating manual valves / breakers etc., and also in startup and shutdown activities of unit etc.,

8760

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100

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Phase-IISwitch yard control room:- Carrying out assistance operation works in taking periodical reading and also assisting the operator in operating isolators manual operation , battery and battery charger readings etc., and also assist during LC works etc.,

8760

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100

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Gas Booster Compressor #2 Area:-Carrying out assistance operation works in taking periodical reading and in local operation of the pneumatic & manual valves and also in startup and shutdown activities etc.,

8760

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100



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