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 Date26 Jul 2024
Closing Date10 Aug 2024
Tender Amount₹ 1,15,62,754
Costs
EMD
₹ 1,00,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Regular And Breakdown Maintenance Works To Be Carried Out In Electrical Maintenance And Operation Division For A Period Of One Year From The Date Of Commencement Of Work During 2024-25 In Vgtps - I
Description
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Contact
Tender Id
2024_EB_465561_1Bid Award Id
ViewTender No
SE/GTS/OT-08/2024-25Tender Authority
Tamil Nadu Generation And Distribution Corporation Limited ViewPurchaser Address
-Website
http://https://www.tangedco.gov.in/
GEM & Bid Advisory Services
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Documents
BOQ Items
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
70
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Daily Walk down and visual inspection of field instruments
270
-
-
Cleaning and terminal tightness checking of Pressure/ temperature/flow/level Transmitters, switches, signal conditioners & sensors, Junction Boxes, On/Off valve Actuators, impulse line flushing and leak attending work
700
-
-
Cleaning, terminal tightness checking and leakage arresting of Pressure/Temperature gauges Thermocouples, RTD, SOV and Limit switches, SWAS & CEMS equipment.
900
-
-
Control valve positioner / air filter regulator / airlock relay / Volume booster etc. cleaning and leak attending work
60
-
-
GT Mark V, STG, BOP, GBC Pro control P13 DCS, DM Plant GE Fanuc PLC modules cleaning and terminal tightness checking work
100
-
-
Other PLC in IA/PA, N2 system, APU, Air Intake, DM Plant, Pretreatment Plant, Bentley Nevada module / panel cleaning & terminal tightness checking work
60
-
-
GT, STG, DM plant OWS & Server system cleaning work.
120
-
-
GTG & STG Startup activities
12
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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
100
-
-
Replacement/Releasing and re-fixing of field instruments such as gauges, RTD, Thermocouple, manifolds, needle valve, PU tubes, indicators and impulse line except turbine area.
200
-
-
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
-
-
Replacement/Releasing and re-fixing of Pneumatic control valve's positioner, position transmitter, airlock relay, volume booster, limit switches, vibration sensors, speed sensors, thermocouples/RTDs and special type of instruments in Gas and steam turbine area for defect and other Mechanical co-ordination work
80
-
-
Assistantship in DCS control loop checking of signals and cable healthiness checking, spare cable tracing etc. and Electrical co-ordination work
80
-
-
Replacement/healthiness checking of ABB Pro control P13 DCS/Mark V, GE Fanuc PLC modules & other PLC cards.
70
-
-
Functional checking of pressure/ temperature transmitters/switches /RTD/ Thermocouple/flame scanner, Transducers, and operational checking of limit switches, Pneumatic control valves etc. with DCS
140
-
-
Assistantship in check measurement of new materials
30
-
-
2.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
-
-
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.
80
-
-
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.
500
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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.
100
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-
Testing of AVR, 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.
30
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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.
50
-
-
Lubricating cleaning, checking of control circuits tightness and healthiness in both end (local and module end), Disconnection and Reconnection of Control cables on Motorized valve/Smart Mov's and Laying of 10 meter LAN cable, CCTV cable and telephone cable, maintaining of registers etc., as directed by engineer in charge
130
-
-
Limit setting of torque and limit switch of motorized valve/Smart Mov's checking of control circuits and Laying of 10 meter 1.5/2.5Sq.mm control cable up to 17 core UG Cable maintaining of registers etc., as directed by engineer in charge.
130
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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.
800
-
-
Troubleshooting and cleaning of SCADA, Routine maintenance of CCTV, Intercom, PA System , Bio metric and LAN.
400
-
-
Assistance to the maintenance Engineers during GTG & STG startup and shutdown, commissioning of new equipment & other activities as directed by engineer in charge.
150
-
-
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
-
-
3.Electrical Maintenance-I
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Maintenance of modules below 45 kW rating (once in 3 months) & breakdown works.
1470
-
-
Maintenance of LT Modules 45 kW &above rating regular (once 3 months) & breakdown.
250
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-
Maintenance of LT Breakers, 45 kW &above rating regular (once in 3 months) & breakdown.
126
-
-
Maintenance of LT motors 25 HP/18.5 kW and rating regular (once in 3 months) & breakdown works.
770
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-
Maintenance of LT motors 25 HP/18.5 kW and above regular (once in 3 months) & breakdown works.
155
-
-
Maintenance of HT motors, regular (once in 3 months) & breakdown.
40
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-
Maintenance of HT circuit breakers, regular (once in 3 months) & breakdown works.
45
-
-
Maintenance of carbon brushes GTG excitation, regular (once in a month) and breakdown.
120
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-
Monitoring taking daily walk down check list of all important equipments.
270
-
-
Replacement of worn-out bearing of LT Motors below 18.5 KW.
50
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-
Replacement of worn-out bearing of LT motors above 18.5 kW to 45 kW.
20
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-
Replacement of worn-out bearing of LT motors above 45 kW to 150 kW.
10
-
-
Co-ordination work with MRT for testing of Generators and HT motors includes Disconnection and Reconnection of Links to isolate the equipments.
8
-
-
Vertical Motors Releasing and Refixing due to Unexpected motor winding burnout and Mechanical Co-ordination work.
18
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-
100HP, 75KW, ACC Fan Motors Releasing, unloading, loading and Re fixing due to unexpected motor winding burnout and breakdown work.
4
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-
4.Electrical Maintenance-II
-
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Rectification of indoor and outdoor lighting such as tube light fittings, SV and MV lamp fittings etc., Below 4.5mtrs height.
240
-
-
Rectification of indoor and outdoor lighting such as tube light fittings, SV and MV lamp fittings etc., Above 4.5mtrs height.
180
-
-
Maintenance of Feeder Equipment(110KV SF6 Breaker, 110KV Isolators with earth, CT’s, CVT’s, and LAS) in switch yard once in 2 months.
50
-
-
Maintenance of GTG/STG Transformers and Auxiliary Transformers like UAT’s, APT’s, Rectifier Transformer and Lighting Transformers once in 2 months.
50
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Maintenance of Battery cell and once in a week.
63792
-
-
Extension of temporary supply.
150
-
-
Painting of Electrical motors upto 25 HP motor.
60
-
-
Painting of Electrical motors above 25 H.P to 200 HP, MOM Box sets, CT sets and PT sets at 110KV switch yard ,& local panel board box.
22
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-
Pre checks and Assistance During GTG and STG Startup.
20
-
-
Co-ordination work with MRT for testing of Transformers & 110 KV Circuit Breakers.
20
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-
5.Operation
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Main 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
-
-
Switchyard Control Room:– Carrying out assistance operation works in taking periodical readings and also assisting operators in operating Isolator manual operation, battery and battery charger reading etc., and also assisting during LC works etc.,
8760
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Gas Booster Compressor #1 Area:- Carrying out assistance operation works in taking periodical readings and in local operation of the pneumatic & manual valves and also in startup and shutdown activities etc.,
8760
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Evaluation Notes How It Works ?
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