Maintenance contract of Turbine and Its Auxiliaries in a Thermal Power Plant of unit size upto 500 MW

Amount

Round the clock up-keeping and maintenance of Turbine and its auxiliaries as per scope of work of Tender specification. (One Job means round the clock i.e. in all three shifts per day for one month)

1- For Anpara 210MW Unit-1

2- For Anpara 210MW Unit-2

3- For Anpara 210MW Unit-3

Overhauling of Centrifuging machine MAB103/206 as per scope of work.

Oil Flushing of H.P. Bypass oil system as per scope of work.

Transportation of lubricant/spares/consumables

Transportation of lubricant from Central Store to Site store.

Transportation of Empty Drums from site store to Central Store.

Running and up-keeping of 2 nos. portable centrifuging machine as per scope of work.

Replacement of the damaged L.P. diaphragms.

Cleaning of suction strainer of CEP

Cleaning of strainers of Raw Water Booster pumps

Round the clock up-keeping and maintenance of Boiler Feed Pumps and Condensate pumps as per Scope of work of tender Specification. .(One Job means round the clock i.e. in all three shifts per day for one month)

For Anpara 210MW Unit-1

For Anpara 210MW Unit-2

For Anpara 210MW Unit-3

Replacement of Old Turbine Oil cooler tube Nest Assembly with new one and installation and commissioning the same in unit#1/2/3 of 3x210 MW, ‘A’TPS, Anpara

Cleaning of Main oil tank room and spreading fresh sand (As per attached annexures)

Cleaning of Main Oil tank

Overhauling of gland seal vapour exhauster /Oil extraction fan

Replacement of damaged N2 gas bladder from Accumulator of HP Bypass system

Inspection / Replacement of HP Bypass Axial Piston Pump

Replacement of compensator of hotwell/ condensate Extraction pump

Cleaning of C.W. Duct inside the T.G. hall

Checking of through ness of drainpipe of Main Steam and hot reheat strainer

Repairing work of grating/chequred plate

Attending tube leakage of H. P. Heaters 5/6 of 3x210MW and commissioning of Heaters from water and steam side.

Attending water leakage from water box cover of H. P. Heaters 5/6.

Servicing of Pneumatically operated recirculation valves of BFP Nb 100mm

Servicing of solenoid operated drain valves DW-109 / DW-110

Servicing of motorized extraction valve ES-I / ES-4 Nb 200mm

Servicing of motorized Feed water discharge valves of BFP BF -7/8/9 of Nb200mm.

Servicing of H.P. motorized drain valve 25 to 50mm

Servicing of HP Manual valves & NRVs

Servicing of pneumatically operated drip line valve of LP heater, MC-23/19 ,DM-15 /16

Servicing of LP Hand operated/motorized valves at different elevations 25mm to 150mm.

Servicing of L.P. Hand operated/motorized valve/NRVs Nb 200mm to 500mm

Replacement of LP Valves (flange type) 100 to 500mm

Servicing of self-actuating feed water group protection valves FW-55/56 of H.P. Heaters of Nb-250mm and Np-250 Kg/cm².

Servicing of feed water motorized isolating valves of HP Heaters Nb 300mm.

Servicing & overhauling of Actuators K-150, F16A

Servicing of actuators type K-600, F14E

Servicing of pneumatic actuators

Servicing/Overhauling of Main Ejectors

Overhauling & Rectification of tube leakage from Turbine oil Coolers.

Overhauling/servicing of L. P. Heaters.

Servicing of drip control valves of H. P. Heater HD-20, HD-23, HD-14

Changing gaskets of flanges in feed line heaters, ejectors, Drain coolers etc.

Servicing of Actuators Limitorque/Siemens/ Acuma make

Replacement of HP valves steam line, oil line (motorized /hand operated) at different floors from (-) 4 meter to 11 meter level size more than Nb 15mm up to Nb 50mm

Replacement of HP valves steam line, oil line (motorized/hand operated) at different floors from (-) 4 meter to 11 meter level size more than Nb 50mm up to Nb 65mm

Replacement of HP valves steam line, drain line (motorized/hand operated) at different floors from (-) 4 meter to 11 meter level size more than Nb 65mm up to Nb 150mm

Replacement of gland packing of HP valves from Nb 50mm to Nb 500mm.

Replacement of gland packing of HP Bypass valve (BP-1 / BP-2).

Servicing of actuators of turbine gland seal steam /leak off controller along with valve.

Servicing of Electro hydraulically operated HP By pass valve (BP-1 / BP-2)

Attending leakages of pipeline & headers etc.of Turbine And It’s Auxiliaries by cutting grinding and H.P. welding of damaged portion putting new spools/bends if required.

Repair/Replacement of HP/LP Pipelines/drainlines by cutiing and re-welding on per mm basis

Inspection of Repaired TG Bearings No. 1 to 6: Dimension measurement and DP test

Performing condenser vacuum and tube leak test as per scope of work

Complete spray insulation and repair of spray insulation on following equipments including supply of self setting cement compound, spray wool alkali silicate binder retainers, M. S. Plate, aluminum shields, S.S. and G.I. wire nettings, removal of old and damaged insulation re-fixing of end shields plastering and finishing as per BHEL norms and specifications. 1. H. P. casing 324 to 360 mm insulation thickness. 2. Interceptor valves and I.P. control Valves 270mm thickness insulation. All the above equipments including their end shield on front and rear sides and other areas as per site requirements.

Supply and application of thermal insulation on critical steam pipes such as main steam hot reheat, cold reheat, cross around and feed cycles pipes etc. including fixing and fitting of protective covering insulation thickness 50mm silicate and 100mm mineral wool or by 180mm thickness of lightly resin bonded mineral/ rock wool and sheetings.

Checking & Refilling of Nitrogen Gas

Overhauling of ESV (1/2) / IP Stop valve (1/2) / HP Control valves (1/2) / IP Control valves(1/2) / LP Bypass control valve (1/2) as per scope of work.

Overhauling of Cold reheat NRVs (L&R) / L. P. Bypass stop valve (1/2) as per scope of work.

Overhauling of ESV / IP Stop valve / HP Control valves / IP Control valves / LP Bypass control valve / L. P. Bypass stop valve / Cold reheat NRV servomotor as per scope of work.

Checking and Rectification of Oil Guard Seal Rings of Bearing Pedestal No. 2/3.

Inspection/Overhauling of main turbine AOP

Inspection/Overhauling of main turbine EOP

Inspection/Overhauling of main turbine JOP

BOILER FEED PUMP TYPE FK-6D-30 (WEIR MAKE)

Inspection and Rectification of NDE mechanical seals of Boiler Feed Pumps.

Inspection and Rectification of DE mechanical seals of Boiler Feed Pumps.

Inspection and Rectification of NDE Thrust cum Journal bearings of BFP

Inspection of Thrust pads of NDE bearings of Boiler Feed pumps

Inspection and Rectification of DE journal bearing of BFP

Attending leakages from stuffing box of BFPs.

Inspection and Re-visioning of DE water-jackets of Boiler Feed Pumps

Inspection and Re-visioning of NDE water-jackets of Boiler Feed Pumps

Checking and adjustment of radial and axial alignment of BFP with hydraulic coupling

Threading out of BFP Cartridge

Minor overhauling of defective BFP Cartridge assembly

Threading in spare/repaired BFP cartridge assembly

Cleaning/ De-scaling and rectification of Mechanical seal coolers of BFPs

BOOSTER PUMP TYPE FA 1B-56

Inspection and Rectification of NDE Thrust cum journal bearing of Booster pump

Inspection and Rectification of DE journal bearing of Booster pump

Inspection and Rectification of NDE mechanical seals of Booster pump.

Inspection and Rectification of DE mechanical seals of Booster pump

Checking and adjustment of radial and axial alignment of Booster pump with BFP motor.

Complete overhauling of suction strainer

Dis-assembly checking, overhauling and rectification of defective Booster pump assembly.

HYDRAULIC COUPLING TYPE R-16K (VOITH MAKE)

Inspection and Re-visioning of cam controller assembly.

Inspection and Rectification of thrust bearing no.3 and 4 of Hydraulic coupling.

Checking and adjustment of radial and axial alignment of hydraulic coupling with BFP motor.

Replacement of filter housing of Duplex Lub Oil filter of Hydraulic coupling

Dismantling/overhauling and rectification of the internals of the hydraulic coupling, their reassembly and commissioning.

CONDENSATE EXTRACTION PUMP TYPE EN 5J-40

Inspection and rectification of Thrust Bearing and journal bearing of condensate extraction pumps.

Re-alignment and adjustment of condensate extraction pump with motor.

Disassembly of CEP and head piece assembly from canister.

Minor overhauling of defective condensate Extraction pumps assembly.

Placement and commissioning of spare/repaired Condensate extraction pump and head piece assembly.

SMALL PUMPS &LO,WO COOLER OF BFP ETC.

Overhauling of Raw Water Booster Pumps

Overhauling of clarified water booster pumps

Cleaning of working oil/lub oil tubes and shell after removal of tube bunch from shell as per requirement

Revisioning of Unit Flash Tanks

Cleaning of Hot well of condenser

Maintenance of Unit Drain Tanks

Decoupling, coupling and alignment of clarified water Booster pump with motor.

Decoupling, coupling and alignment of Raw water Booster pump with motor.

Overhauling and rectification of Tube leakage of working oil coolers of Boiler Feed Pumps.

Shifting, fitting and commissioning of New Working oil Coolers.

Overhauling and rectification of tube leakage in lub oil Coolers of Boiler Feed Pumps.

Shifting, Fitting and commissioning of New lub oil coolers.

Repairs of strainer of BFP Raw Water line, MOT strainer & CEP strainer

Repairs of Long Angle Basket of BFP Suction Strainer

Repairs of Short Angle Basket of BFP Suction Strainer

Repairs of Suction strainer of CEP

Repairs of Large and Small Suction Strainer Brackets of Raw Water Line. (One large plus one small suction strainer bracket = 1Set)

Repairs of Main Oil Tank (MOT) Strainer.

TIRANGA CONSTRUCTION (BID ID -5320953)

M/S BIHAR CONSTRUCTION CO. (BID ID -5331419)

M/S S N ENTERPRISES (BID ID -5328546)