Rate Contract for preventiv...

Amount

Fixed activities (PART-A)

FIXED/ ROUTINE/ PREVENTIVE MAINTENANCE ACTIVITIES IN TG & AUXILIARIES OF TGM-IV, 210 MW, Unit-6, PTPS, Panipat

Welding works

Carbon steel pipes/ Valves/ Bends / Tees/Vessel etc

M.S. pipes/ Valves/ Bends / Tees/Vessel etc

Alloy steel pipes/ Valves/ Bends / Tees / Vessel etc

Fabrication/Erection of structures by welding process

Fabrication of bend/ reducer

VALVES

Servicing/ overhauling of Valves/ NRV

Replacement of gasket in bonnets of valves >6"

Replacement of valves (butt/flanged)>4"

Attending of steam/ water/ oil/ gas/ air leakages from flanges with replacement of gasket >6"

Mechanical works of Electrical Actuators

Servicing of actuators

Replacement of actuators

Replacement of bearing/ bush/ Gear of actuators

LP Heaters (3 Nos.)/ HP Heaters (2 Nos.)

Arresting condensate water/ feed water leakage

Checking/ Rectification the Internals of LPH/ HPH

GSC (1 Nos.)

Attending of water leakage/gasket replacement

Attending of tube leakage

Drain Cooler (1 Nos.)

Replacement of flange gasket

Attending of tube leakage

STATOR WATER PUMPS (2 Nos.), HOTWELL MAKE UP PUMPS (2 Nos.), BOILER FILL PUMP (1 Nos.), JOCKEY PUMPS (2 Nos.)

Replacement of mechanical seal

Replacement of Coupling of Pump-Motor

Replacement of coupling bush/ rubber pads

Servicing/ overhauling of pump

Deareator (1 No.)

Replacement of gaskets of man hole

Checking/ Rectification the Internals of Deareator

SUCTION STRAINERS

Cleaning of suction strainer of TLOCB pumps/ H2CB

Cleaning of suction strainer of BFP/ CEP

Cleaning of suction strainer of fire/ emulsifier/ jockey

BOILER FEED PUMPS (03 Nos.)

Alignment of Booster pump & motor

Checking/replacement of BFP/ BP thrust brg

Mech. Seal replacement of BFP/ Booster pump

Suction ‘O’ ring replacement

Discharge ‘O’ ring replacement by removal of cartridge

Alignment checking, correction of motor & Hydraulic

Alignment checking/ correction Hyd Coupling & BFP

Attending parting plane leakage of Booster pump

Replacement of BFP cartridge

Cooling jacket cleaning BFP/ Booster pump

Checking of bearing of hydraulic coupling

BFP LUBE OIL/ WORKING OIL COOLER/ SEAL WATER COOLER (15 Nos)

Cleaning of coolers

Replacement gasket/ o-ring of coolers

Attending of tube leakage

MECHANICAL WORKS FOR BFP MOTOR

Decoupling & Coupling

Replacement of bearing & alignment

COLONY POTABLE PUMPs (5 Nos.), FILTER BACKWASH PUMPS (3 Nos.), POTABLE CLARIFIER PUMPS (3 Nos.) and associated system

Decoupling/ coupling

Overhauling of Colony potable Pump

Replacement/Servicing of bearing/ housing of colony potable pump

Overhauling of Filter Back wash Pump

Replacement/Servicing of bearing/ housing of Filter Back wash pump

Overhauling of Potable Clarifier Pump

Replacement/Servicing of bearing/ housing of Clarifier pump

Overhauling/ servicing of potable air blower

CEPs (02 Nos.)

Decoupling & Coupling

Checking & replacement of CEP Thrust Bearing including lifting & placement of CEP motor

Replacement of CEP cartridge assembly

C.W. PUMPS (03 Nos.)

Decoupling & Coupling

Checking & replacement of pump Thrust Bearing

BCW PUMP#5 (4 Nos.), BCW DRAIN PUMPS #5 (4 Nos.)

Decoupling & Coupling

Checking & replacement of BCW pump thrust bearing including lifting/ replacement of motor

Servicing/ overhauling of BCW Pump/ bowl assembly including lifting & placement of motor

Checking & replacement of BCW drain pump thrust bearing including lifting/ replacement of motor

Servicing/ overhauling of BCW drain Pump/ bowl assembly including lifting & placement of motor

RAW WATER PUMPS (07 Nos. i.e. 03 Nos. of Unit-6, 03 nos. of Unit-5 & 01 No. of Unit-1 to 4)

DECOUPLING & COUPLING.

Checking & replacement of pump thrust bearing

Servicing/ overhauling of Pump

H2CB PUMP (2 Nos.), BACW PUMPS (3 Nos.), SERVICE WATER PUMP#5 (2 Nos.), SERVICE WATER#6 (3 Nos.), CLARIFIER PUMPS#5 (3 Nos.)

Decoupling & coupling

Replacement of coupling bushes/ rubber pads

Checking & replacement of pump bearing

Servicing/ overhauling of Pump

VERTICAL SUMP PUMPS (2 Nos.), CABLE TRENCH PUMPS #5&6 (03 Nos. + 03 No.)

Decoupling & coupling

Checking & replacement of pump bearing

Overhauling/ Servicing of pump

TLOCB PUMPS (2 Nos.), FIRE HYDRANT PUMPS (2 Nos.), EMULSIFIER PUMPS (2 Nos.), DIESEL FIRE HYDRANT PUMPS (2 Nos.), DIESEL EMULSIFIER PUMPS (2 Nos.)

Decoupling & coupling

Replacement of coupling bushes/ rubber pads

Checking & replacement of pump bearing

Servicing/ overhauling of Pump

CONDENSER (01 Nos.)

Attending of Inlet/ outlet line manhole leakage

Attending of condenser Tube leakage

Condenser cleaning using air

CONDENSER VACUUM PUMP (2 Nos.)

Bearing checking and replacement

Cleaning of vacuum pump coolers

Replacement of O-ring/ Gasket of vacuum p cooler

Attending of tube leakages of vacuum pump cooler

EOT CRANE of TG Hall/ CW System/ RWP House/ MISC. Pump House/ Compressor House etc.

seals replacement

Bearing replacement for main hoist / aux. hoist of 125/25T EOT

Bearing replacement for long travel/ cross travel of 125/25 T EOT

Bearing replacement of CW system/ Compressor/ Misc. pump house/ RWP house

TRENCH/ DRAIN PUMPS (04 Nos.), MISC. OIL PUMPS (02 Nos.), and RECIRCULATION PUMPS OF CONDENSER VACUUM PUMP (2 Nos.)

Decoupling & coupling

Servicing of pump

GLAND STEAM/ MOT OIL VAPOUR/ BEARING CHAMBER EXHAUST FAN (6 Nos.)

Coupling/ decoupling

Servicing/ Replacement of impeller

MOT CENTRIFUGE

Replacement of bottom ‘O’ ring/ bearing.

Replacement of oil seal

Suction / Booster gear pump coupling

Centrifuge coupling bush or shoe pad replacement

Repair/ replacement of bowl gear /gear pumps/heater

Servicing of centrifuge in presence of service engineer

AOP (2 Nos.)/ JOP (01 No. AC, 01 No. DC)/ EOP (01 No. AC, 01 No. DC )

Servicing of pump

Replacement of pump

Coupling/ decoupling

Turbine Oil Coolers

Replacement of O-ring

Gasket replacement water side

Vent valve/ equalizing valve replacement

Seal Oil Pump (2 No. AC & 1 No. DC), Seal Oil Vacuum Pump (2 Nos.), Seal Oil Coolers

Seal Oil Pump servicing/ replacement

Seal Oil vacuum pump servicing

Seal Oil Vacuum pump replacement

GOVERNING RACK/ LP BYPASS RACK

Replacement of HC/ EHC/ MTV etc. of main governing rack/ Pressure switch/ Vacuum switch/ EHC/ Limiter etc. of LP Bypass rack

Replacement of oil seal/ o-ring water injection system

HP BYPASS SYSTEM

Replacement of N2 Bladder (30L/ 10L) / associated

Replacement of OSU Pump/ Spares inside OSU tank

Replacement of coupling bush of OSU pump

AIR COMPRESSORS- 10 Nos. (SAC of Unit 5 -04 Nos., IAC of Unit 5 -03 Nos. & IAC of Unit 6 -03 Nos.)

Replacement of gasket/ O-ring of inter/ after cooler

Replacement of bearing ring of LP/ HP piston

Servicing/ overhauling of LP/ HP cylinder assembly

Complete servicing of comp under supervision of OEM

Replacement of motor pulley/ compressor flywheel

Checking/attending water leakage from LP/ HP jacket

Checking/attending water leakage inter/ outer coolers

Replacement of silica gel of air dryer

CHLORINATION (40 kg/hr & 150Kg/hr)

Replacement of HPDPE pipes up to 6"

Replacement of PVC pipes

Replacement of GI pipes

Replacement of valves/ flanges

Servicing of Chlorinator ejector

Replacement of RVR/ Ejector/ Filter assembly

CLARIFIER BRIDGE #3&4, CLARIFIER BRIDGE #5, CLARIFIER BRIDGE #6 and associated system

Replacement of center bearing of clarifier bridges

Overhauling/ servicing of Clariflocculator

Replacement of bearing of Driving/Driven of main drive

Overhauling/ servicing of Sludge valve

Complete Overhauling of Main Drive system

Overhauling of sluice gate shutter of bridge/Clear well

ALUM DILUTION AGITATORS- 5 Nos. (03 Nos. of U-5 & 02 Nos. of U-6)

Decoupling & coupling

Replacement/ servicing of gear mechanism

Servicing/ overhauling of agitator

MISCELLANEOUS WORKS

Replacement of local gauge glasses

LP Turbine diaphragm replacement

Visit of crane operator during odd hrs (4hrs/visit) for non-critical jobs

Painting works on piping/ equipments/ structures

Naming works (nomenclature) on piping/ equipments/ sites

Dismantling of usable material from phased out Unit of PTPS for the use of Unit-6

SHIV SHAKTI ENGINEERS (BID ID -1239555)

CHANDA CONSTRUCTION CO. (BID ID -1250399)