Sp.23 NCTPS II ES circle CI Division TG EAST subdivision Unit I Carrying out Annual overhaul maintenance activities of 600 MW Main Turbine sensors and Inner bearing thermocouples in pedestal 1 to 8 and CI equipments

Amount

Charges for Complete dismantling, cleaning, refixing, sensor alignment & Gap voltage adjustment and Dressing of 600MW Main Turbine Shaft Vibration sensors, Bearing vibration sensors, Axial shift sensors, Rotor expansion sensors, Key Phasor, Casing Expansion Sensors & Speed Sensors in Pedestal 1 to 8.

Charges for Complete dismantling, cleaning, refixing and dressing of all types of 600MW Main Turbine Triplex Type Inner Bearing Thermocouples in Pedestal 1 to 8.

Charges for Complete Overhauling of Oil Temperature Control Valve (OTCV) Actuator in Main Turbine Lube Oil and HPCF System which includes 1) Removing, Cleaning, Overhauling & Refixing of Actuator Motor Drive shaft assembly. 2) Cleaning & Overhauling of Drive of Torque Limit Device & Limit Switch Mechanism Assembly and reconditioning the Limit Switch Mechanism assembly if needed. 3) Setting of Open/Close Torque Limit Device Switches. 4) Setting of Open/Close Travel Limit Switches by adjusting the cam discs. 5) Checking the Control & Power circuit tightness in actuator terminal block. 6) Checking the Manual Operation of Actuator & Remote Operation from DCS.

Charges for complete removing, cleaning and refixing of RTDs in TDBFP and Vacuum Pump areas.

Charges for Complete Overhauling of MCV & ACV I/H Converter in TDBFP Governing system which includes 1) Releasing of I/H Converter from the governing rack. 2) Complete Dismantling and cleaning of pilot valve in the I/H Converter. 3) Replacing of Seal Kits in the I/H Converter. 4) Reassembling & refixing of I/H Converter in TDBFP Governing Rack. 5) Zero/Span Adjustment & calibration of I/H converter. 6) Checking of Governing Characteristics of I/H Converter.

Charges for Releasing of damaged "Masoneilan" make HP Evacuation Valve Pneumatic Actuator and Erection & Commissioning of "Masoneilan" make new HP Evacuation Valve Pneumatic Actuator. This work involves 1) De-coupling of existing Damaged Pneumatic Acutator from valve. 2) Releasing of Pneumatic Actuator by using chain blocks. 3) Transportation of new Pneumatic Actuator from store to field. 4) Erection & Commissioning of new Pneumatic Actuator by using chain blocks. 5) Coupling of Pneumatic Actuator with Valve. 6) Calibration of Pneumatic actuator & Setting of Open/Close Limit Switches. 7) Checking the Manual Operation & Remote Operation from DCS. 6) Transportation of released Pneumatic actuator to Pocket Store.

Charges for complete servicing of Pneumatic Actuators in all Vacuum Pumps which includeds 1) Removing of accessories in Pneumatic Actuator of vacuum pumps. 2) Complete Dismantling & Servicing of Pnuematic Actuators. 3) Replacing of Defective seals in Pneumatic Actuators. 4) Reassembling & Refixing of Pneumatic Actuators and its accessories. 5) Setting of Open/Close Travel Limit Switches by adjusting the cam discs. 6) Checking the Manual Operation of Pneumatic Actuator & Remote Operation from DCS.

A.R.C.ENGINEERING (BID ID -1074259)