ARC of TG System of Unit-I ...

As per Annexure : IV-A of NIT i.e. Each site i.e. Turbine & its Auxs site, Pump Site, Regenerative site and Misc Sites are to manned individually with a team of Foreman (Highly Skilled), Technician (Skilled-B),Fitter , Helpers (Semi Skilled-B) for each Unit . Highly skilled Supervisor, Welder cum gas cutter (Highly skilled), Crane operator for both units. The contractor would station adequate working manpower in such a way that the maintenance work is carried out effectively and without any delay round the clock. (Firm quote common rates for each month for both units)

Replacement of Mech. Seals of BFP/BP

Alignment of BP/ Motor

NDE bearing inspection for BFP/BP

DE Bearing inspection of BFP/BP & BFP motor

Suction ‘O’ ring replacement

Discharge ‘O’ ring replacement

Alignment checking & correction of Hydraulic coupling & BFP

Attending of parting plane leakage of Booster Pump

Replacement of BFP Cartridge

Cooling water jacket cleaning of BFP/ Booster Pump

Checking of bearing of Hydraulic Coupling

Servicing of Hydraulic Coupling

Decoupling replacement/Checking of bearing & alignment of motor

Checking / replacement of thrust bearing including lifting placement of motor

Replacement/Overhauling of Cartridge of CEP

Replacement of Mech Seal

Checking/ Replacement of Brgs.

Servicing of Pumps/ Replacement of complete pump.

Replacement of Mech. Seals

Servicing of Pumps

Replacement of Mech. Seals

Checking /Replacement of Bearings

Replacement of complete pump

Complete pump Overhauling/Servicing of pump

Replacement of Mech. Seals

Checking /Replacement of Bearings

Complete Pump replacement

Servicing of Pump

Mech. Seals Replacement

Checking /Replacement of Bearings

Complete pump Replacement

Cleaning of any of above tank

Replacement ofN2 bladder in above system

Servicing of Vapour Exhaust Fans/Loop seal oil fans/GSC fans/blowers for C.WT/SSF

Checking/Replacement of Bearing of condenser Vacuum Pumps

Servicing/Overhauling of condenser Vacuum Pumps

Welding of Carbon steal pipes Valves bends /tees etc of above 2" size.

Welding of Ms Pipes Valves bends /tees etc. of above 2" size.

Alloy steel pipes & S.S pipes Valves bends /tees etc.

Steel structure

Servicing of gate / globe/Diaphragm/ Safety valves

Replacement of gland packings in valves above 2" size.

Servicing of HPBP Valve/LPBP Valves

Servicing of control valve

Replacement of gaskets in flanges/ bonnets

Replacement of Serration rings/gaskets in main steam/HRH flanges.

Manholes / water side flange of LP Heater/ HP Heaters & FST/D/A & HP/LP flash tanks.

Tube leakage of HP Heaters

Tube Leakage of LP Heater

Tube Leakage from GSC or flenge leakage

Opening of Manhole of Deaerator /FST, Acid Tank & Clearing of FST

Opening of Manhole of Hotwell & Clearing of Hotwell

Attending of Tube Leakage

Attending of Manhole Leakage from condenser & C.W filteration tanks

Top up of filter media in C.W. Filteration Tanks

Replacement of filter media in C.W filteration tanks

Cleaning of PHES of CC W System / Lube oil system

Cleaning of seal oil coolers

Cleaning of BFP Lube oil / working oil coolers including Hyd. Test

Cleaning of condenser vacuum pump PHES

Cleaning of stator water coolers

Mechanical seal coolers for BFPs

Dismantlement of H2 Dryer parts, servicing of the same & box up of the H2 dryer

Checking/Replacement of Thrust Brg.

Servicing of C.W. Pumps.

Checking/Replacement of Thrust Brg.

Servicing of A.C.W. Pumps.

Checking/Replacement of Thrust Brg.

Servicing of raw water pump

Servicing of pump

Checking/ Replacement of Brgs.

Checking of Brgs.

Servicing of pump

Servicing of pump

Replacement/ Checking of Bearings

Replacement of attending of water/acid/base leakage from HDPE pipes

Replacement of Valves in Chlorination/Acid dosing system

Servicing of chlorinators etc.

Servicing of Chlorine ejectors

Replacement of RE joints of C.W lines(1800mm)

Replacement of RE joints of A.C.W lines of CCW line (600mm & 650mm)

Servicing of butterfly valve of 1800mm size

Servicing of butterfly valve of 600 mm/650mm size.

Two coats of enamel spray painting thorough cleaning & repair of all metal surfaces on equipments/ lines in TG& Aux. area

Acid proof painting on equipments/lines in H2So4 dosing area

CHANDA CONSTRUCTION CO. (BID ID -1161661)

A K Engineers (BID ID -1157941)

SHIV SHAKTI ENGINEERS (BID ID -1149919)