Biennial Contract for Round the Clock Operation, Biennial Contract for Round the Clock Operation,

Amount

Round the clock operation, routine and Preventive mechanical maintenance works of entire FGD Plants including operation shift, site supervisor, pay loader , loading & feeding( For operation of Both FGD Plants) 1. Engagement of PLC Operator at Control Room in shift 2. Engagement of skilled ( Fitter ) cum field operator in shift 3. Engagement of unskilled manpower in shift 4. Site Supervisor/ Site In charge /Safety officer. 5. Providing 01 No. front end pay loader for feeding and handling of limestone with fuel and maintenance of equipment along with driver/operator

Cleaning and housekeeping work- Engagement of unskilled manpower in general shift for cleaning of FGD plants (06 Nos. in Gen duty)

Sampling , Testing and analysis of limestone samples including packaging, forwarding & contractor profit

Breakdown mechanical maintenance of equipments FGD system

Servicing of Seal Air Fan/ Scavenging Fan (in GGH)/ De-dustingFan

Replacement of Impeller of Seal Air Fan/ Scavenging Fan (in GGH)/ De-dusting Fan

Alignment of Seal Air Fan/ Scavenging (in GGH) Fan/ De-dusting Fan.

Replacement of Drive belt of Seal Air Fan/ Scavenging Fan (in GGH) / De-dusting Fan.

Servicing of Gas-Gas Heater (GGH)

Manholes opening & Inspection of various components of GGH.

General Cleaning & water washing of GGH.

Servicing of Guide Bearing of GGH.

Servicing of Thrust Bearing of GGH.

Checking of rotor Run-out of GGH.

GGH Rotor Levelling.

Servicing/ replacement of Trunion shaft seals of GGH.

Air receiver tank cleaning of GGH.

Servicing/replacement of Lube oil pump of GGH.

Servicing of cooler of GGH

Changing of Lube oil (GGH)

Levelling of Hot End Radial Sector Plates of GGH.

Levelling of Cold End Radial Sector Plates of GGH.

Levelling of Axial Sector Plates of GGH.

Replacement of GGH Hot and Cold End Radial seal, Axial seal, Bypass seal

Repairing of Radial and Axial Sector Plates including static seals of GGH

Replacement of Radial Sector Plates of GGH.

Replacement of T-Bars Set of GGH.

Replacement / Repair of Rotor Post seal of GGH.

Removal & re-fixing of all Baskets for cleaning of GGH.

Replacement of Cold End Support Gratings of GGH.

Repair of Cold End support Gratings of GGH.

Repair of Diaphragms in GGH.

Servicing of GGH Drive

Servicing of Drive Gearbox of GGH

Replacement of Drive Gearbox of GGH

Replacement of coupling of GGH

Replacement & Alignment of Cog rim Pins of GGH.

Replacement of Oil Seals of Drive Shaft of GGH.

Replacement of Over Running Clutches of GGH.

Servicing of Soot blower Gearbox of GGH

Replacement / repair of Lance Tube, protection cover, valve of GGH.

Attending steam leakage of GGH.

Replacement of GGH Guide Bearing

Replacement of thrust Bearing of GGH

Replacement of expansion sleeves

Servicing of Oxidation Air Blower/ Air Compressor

Replacement of coupling of Oxidation Air Blower / Air Compressor

Replacement of Bearing of Oxidation Air Blower / Air Compressor

Servicing of Lubrication system of Oxidation Air Blower / Air Compressor

Alignment of Oxidation Air Blower/ Air Compressor

Servicing of Air dryer unit of Oxidation Air Blower/ Air Compressor

Repairing / servicing of Limestone Conveyor Belt / Feed Conveyor with hot & cold joints as required

Belt conveyor lagging with take up lifting

Servicing of Drive Arrangement of Conveyor

Replacement/ Servicing of Head pulley assembly of Conveyor

Replacement/ Servicing of Take up pulley of Conveyor.

Servicing/ Replacement of Idlers of Conveyor.

Servicing of Vibro feeder

Servicing of Feed conveyor / replacement of bush bearing / servicing of inlet vibro gate / servicing of magnetic separator of Conveyor.

Repairing / servicing of Bucket Elevator

Servicing / repair of drive system of Bucket Elevator.

Replacement / repair of Buckets of Bucket Elevator

Alignment of belt of bucket elevator

Replacement of Bearing of Bucket Elevator.

Replacement / servicing of drive of feeder/drive bearing/alignment adjustment.

Replacement of Take up pulley/ Head pulley assembly/coupling pins of Feeder.

Adjustment and servicing of belt assembly,Vulcanization/Lagging of belt.

Belt conveyor lagging with take up lifting

Replacement / Servicing of Drive Arrangement.

Servicing of Seal Air Valves and line of Limestone Feeder.

Servicing of Inlet / outlet gate / opening or closing of gate of Limestone Feeder.

Replacement of Skirt assembly of Feeder.

Alignment of Feeder belt assembly

Replacement of Limestone mill feeder belt

Serviceing & replacement of packing of Mill feeder outlet gate/ball charging gate/mill out let gate

Replacement of Mill Liner which excludes balls removal & refill.

Gas cutting and welding of MS plates in Ball Mill.

Checking & cleaning of Girth Gear & Pinion Gear Teeth and checking of back lash including its associated works

Removal and Refilling of Balls in mill shell.

Sorting of Balls of Mill.

Balls top up per drum of Mill.

Servicing of Ball Mill Lub Oil System

Cleaning of Mill lube oil tank and replacement of lube oil.

Replacement of Mill lube oil pump.

Servicing of Mill lube oil pump.

Replacement of Mechanical seal of Mill lube oil pump.

Replacement of Strainer/ Filter of Mill lube oil pump.

Replacement of Gasket of Mill lube oil pump.

Cleaning of Mill lube oil coolers.

Reconditioning of Oil in Mill Lube oil Tank.

Servicing of Pumps (up to15 KW i.e. SHC Feed Pump 16 m3/hr, Emergency Storage Tank Pump 160 m3/hr, Limestone Slurry Feed Pump 45 m3/hr, Reclaim(Fitrate) Tank Pump 45 m3/hr, Waste Water Transfer Pump 13 m3/hr etc.)

Alignment of Pump (up to15 KW).

Replacement of coupling of Pumps (up to15 KW).

Replacement of drive belt of Pumps (up to15 KW)

Servicing of Pumps (>15 KW i.e. Gypsum Bleed Pump, Absorber Area Sump Pump 80 m3/hr, L.P. Process Water Pump 90 m3/hr, H.P. Process Water Pump 200 m3/hr, GGH HP Washing Water Pump 12.6 m3/hr, Mill Slurry Pump 50 m3/hr, etc.)

Alignment of Pumps (>15 KW)

Replacement of coupling of Pumps (>15 KW)

Replacement of drive belt of Pumps (>15 KW)

Servicing of Absorber Recirculation Pump

Replacement of Bearing of Absorber Recirculation Pump.

Alignment of Absorber Recirculation Pump

Replacement of coupling of Absorber Recirculation Pump.

Replacement of mechanical seal of Absorber Recirculation Pump.

Servicing of Agitators (Motor Capacity <=25 KW)

Replacement of Bearing of agitator (Motor Capacity <=25 KW)

Replacement of Drive belt of agitators (Motor Capacity <=25 KW)

Tightening of Drive belt of agitators (Motor Capacity <=25 KW).

Servicing of Agitators (Motor Capacity >25 KW)

Replacement of Bearing of agitator (Motor Capacity >25 KW)

Replacement of Drive belt of agitators (Motor Capacity >25 KW)

Tightening of Drive belt of agitators (Motor Capacity >25 KW).

Servicing of Belt Filter of Gypsum Conveyor

Replacement of filter cloth of Gypsum conveyor

Gypsum Belt conveyor lagging with take up lifting

Servicing of Drive Arrangement of Gypsum belt

Replacement / Servicing of Head pulley assembly of Gypsum belt

Replacement / Servicing of Take up pulley/ snub pulley of Gypsum Belt

Replacement of Idler of Gypsum Belt

Servicing of Vacuum Pump

Repair / replacement of suction piping of Vacuum pump

Replacement of drive belts of Vacuum pump.

Alignment of Vacuum pump.

Servicing of Valve handling water / steam / air, size up to 50 mm.

Servicing of Valve handling water / steam / air, size above 50 mm but up to 150 mm.

Servicing of Valve handling water / steam / air, size above 150 mm but up to 300 mm.

Servicing of Valve handling water / steam / air, size above 300 mm.

Servicing of Valve handling Slurry / Reagent, size up to 50 mm.

Servicing of Valve handling Slurry / Reagent, size above 50 mm but up to 150 mm.

Servicing of Valve handling Slurry / Reagent, size above 150 mm but up to 300 mm.

Servicing of Valve handling Slurry / Reagent, size above 300 mm.

Attending gland leakage.

Replacement of Valve handling water / steam / air, size up to 50 mm.

Replacement of Valve handling water / steam / air, size above 50 mm but up to 150 mm.

Replacement of Valve handling water / steam / air, size above 150 mm but up to 300 mm.

Replacement of Valve handling water / steam / air, size above 300 mm.

Replacement of Valve handling Slurry / Reagent, size up to 50 mm.

Replacement of Valve handling Slurry / Reagent, size above 50 mm but up to 150 mm.

Replacement of Valve handling Slurry / Reagent, size above 150 mm but up to 300 mm.

Replacement of Valve handling Slurry / Reagent, size above 300 mm.

Servicing of Bag Filter

Servicing of Bin Activator

Minor repairing of Mist Eliminator

Cleaning of Spray Nozzle complete set

Replacement of Spray Nozzle complete set

Servicing of Absorber / Reaction Tank.

Servicing of hydro cyclone

Servicing of Ball Mill classifier

Welding Work in Duct classifier etc.

Repairing of Guide vanes.

Fixing of LRB/mineral wool insulation pad in single layer as installed

Fixing of LRB /mineral wool insulation pad in double layeras installed

Fixing of LRB/mineral wool insulation pad in triple layer as installed

Removal of fly ash inside the Duct.

Manual operation of Duct/ damper/ gate

Servicing of Air Blower (waste water treatment plant)/ Seal Air fan of Duct damper

Replacement of Air Blower (waste water treatment plant)/ Seal Air fan of Duct damper.

Repairing of FRP pipings, size up to 100 mm

Repairing of FRP pipings, size above 100 mm but up to 300 mm

Repairing of FRP pipings, size above 300 mm but up to 1100 mm

Replacement of FRP pipings, size up to 100 mm

Replacement of FRP pipings, size above 100 mm but up to 300 mm

Replacement of FRP pipings, size above 300 mm but up to 1100 mm

Laying of FRP piping (upto 300 MM Dia.) (per mtr)

Vibration analysis of equipments

Replacement of gasket, size up to 100 mm

Replacement of gasket, size above 100 mm but up to 300 mm

Replacement of gasket, size above 300 mm but up to 1100 mm

Hard facing in Limestone system i.e. Chute etc.

Laying of MS pipe line (<=150MM Dia.) (per mtr)

Laying of MS pipe line(per mtr) (Dia>150MM)

Servicing of cold air damper

Fabrication of different damaged size of MS flange for pipe line of size 100mm to 125mm

Repairing of Ladder/Hand rail/Gratings/Foldable platform

PAINTING work per sq mtr.

Erection of Scaffolding

Conveyor belt laying

Replacement of different size conveyor pulleys

Replacement of conveyors pulleys bearings

Replacement of different size of flexible couplings and fluid couplings of conveyor belts and crushers

Repair and replacement of conveyor belt/ pulley frame

Removal of old & worn hammer and fitting of new hammer

Fitting of old and used balanced set of hammer by reversal of direction of complete hammer set

Balancing of rotor of crusher (out side job)

Replacement of rotor of crusher

Replacement of rear side gratings/upper kicks of plates/lower kick of plate

Replacement of front side grating

Removal of coupling of crusher rotor

Fitting of coupling of crusher rotor

Static balancing of crusher rotor (in side job)

Repairing of crusher hood/body etc.

Refixing/Replacement of helical spring of vibrating screen

Repairing/Hard facing of side plate of rotor

Replacement/fitment of vibrating screen shaft pulley

Removal of new/usable rotor bearing

Fitting of new/usable rotor bearing

Servicing of Rod gate, Rack & pinion gate and knife gate

Servicing of Dry Fog Dust Suppression system/ Booster pump for underground hopper

Repairing of air cannons

Servicing of Dust Extraction system for crusher house, tunnel, storage silo, day silo etc.

Servicing of sampling system/sampling crusher

Servicing of Travelling Tripper

Servicing of Compressor for Dust Extraction System

General Welding Work in running meter

Servicing of monorail/hoist

Hard facing of chute and other wear surfaces

Checking of the alignment of Pinion & Main reducer shaft, Mill motor & reducer/coupling,Pinion & Girth gear.

Alignment between the shaft of Pinion & main reducer, Main Reducer & motor.

Checking of both bearing of Pinion/ Spring Coupling & greasing

Replacement of Roller bearing of Pinion shaft.

Replacement of Bearings/seals/covers/low-high speed shafts of reducer gear.

Round the clock operation, routine and Preventive mechanical maintenance works and Cleaning and housekeeping work of entire SCR Plants ( For operation of Both SCR Plants) 1. Engagement of PLC Operator at Control Room in shift 2. Engagement of skilled ( Fitter ) cum field operator in shift 3. Engagement of unskilled manpower in shift 4. Cleaning and housekeeping work-Engagement of unskilled manpower in general shift for cleaning & housekeeping of entire SCR plant plants

Breakdown Maintenance of SCR

Servicing/repairing of Valves (Dia<=100mm)

Servicing/repairing Valves(Dia 100mm-200mm)

Servicing/repairing Valves (Dia >200mm)

Replacement of valves(Dia<=100 mm)

Replacement of valves(Dia 100 mm-200 mm)

Replacement of valves(Dia>200 mm)

Servicing of the Safety valve of soot blower

Replacement of steam line gate valve and water line gate valves, control valve and NRV:

Replacement of Valves (gate/globe/ nrv/butterfly/diaphragm valves):-

Overhauling of Valves (gate/globe/ nrv/butterfly)

Servicing of steam control valves size Nb 50mm to 100mm

Servicing of steam valves Nb 100mm to 150mm

Replacement of gland packing from glands Nb 40mm to 150mm.(Rates to be quoted on per mm basis):

Changing flange gasket of valves at different elevation

Servicing of Ammonia Valves((Size<=50mm):

Servicing of Ammonia Valves((Size<=100mm):

Servicing of Ammonia Valves((Size<=150mm):

Servicing of the Safety valve at Ammonia Storage tank/Accumulator/Vaporizer

Overhauling of dilution air Blowers

Bearing replacement of Dilution Air Blowers

Replacement/inspection of coupling bolt assembly of Dilution air Blowers

Replacement of Coupling of Dilution Air Blowers

Reconditioning/replacement of outlet reducer/Outlet check damper/Outlet flexible joint/Inlet silencer/Inlet manual damper/ Inlet flexible joint/Suction Cone etc of Dilution Air Blower

Reconditioning/replacement of Impeller of Dilution Air blower

Reconditioning/replacement of labyrinth seal/shaft washer/Casing of Dilution Air blower

Repairing air duct:

Servicing of cold air damper

Servicing of cold air gate assembly

Ammonia Storage tank( Cylindrical, Horizontal, Design pressure:22.5kg/cm2, Design temp: 55ºc): Hydro [email protected]/cm2/Leak test

Replacement of Piping and connections/Nozzles/gaskets etc of Ammonia storage tank

Reconditioning/servicing/Replacement of water spray system of Ammonia storage tank

Complete overhauling of Vaporizer

Reconditioning/replacement of Piping and connections etc of Vaporizers

Replacement of Ammonia Coil Assy. of Vaporizer

Replacement of Steam Jet Assy. of Vaporizer:

Replacement of various inlet/outlet assemblies of Vaporizers

Replacement of Float Assy. of Vaporizer

Replacement of nozzles in ammonia line

Reconditioning/servicing of nozzles

Servicing of heat exchangerof Vaporizers

Cleaning of heat exchanger installed in Vaporizers

Complete servicing/overhauling of Accumulator

Reconditioning/replacement of Piping and connections etc of Accumulator/Waste ammonia Dilution tank/misc locations

Reconditioning/servicing of Diffuser in Waste ammonia tank:

Servicing of NRV

replacement of steam trap

Attending Defects/leakage in Ammonia piping and connections: - upto 100 NB

Replacement of Flanges of various sizes

Attending gland leakage of various pumps and valves

Choking Removal of Various strainer

Overhauling of Sump pumps

Replacement of Bearing/Sleeve/shaft/Impeller/Misc items of Sump pump

Replacement of Oil seal/Line coupling/coupling/Sealing pipe/Discharge elbow/discharge pipe/Flange/Misc piping/Coupling of Sump pump

Sump Pump Motor decoupling/ aligning/coupling

Replacement of the Cartridge/Strainer/ Filter Element of Sump Water System:

Welding Works( Repaining of Duct/ Reactor chamber/Piping etc

Attending Defects/leakage in Ammonia piping and connections(Greater than 100 NB):

Attending Defects/leakage in water/steam piping and connections

Laying of steam/water piping

Ammonia Injection Grid: Reconditioning/repairing/replacement of AIG protector/AIG Header/Mixing Pipe protector/Ammonia injection Piping

Complete reconditioning of Ammonia injection grid/Ammonia gas mixture

Ammonia Injection Grid: Reconditioning/repairing/replacement of Duct / Gaskets / Butterfly valves / Nozzles

Inspection of Ammonia Pressure Vessels/Vaporizer

Cleaning of Tanks(Dilution Tank, waste ammonia tank etc):

Replacement of MS piping

Attending Defects in Expansion Joints

Replacement of NRV

Repair/Replacement Electrical Hoist/Hoist/EOT

Alignment in Dilution air blower/Ammonia Compressors/ Sump pump/ Misc Pumps

Laying of pipe line (Above Ground): (UPTO 100 MM DIA)

Painting

Servicing of Ammonia compressor

Flywheel and V belt alignment/mounting

Ammonia compressor inlet and outlet valve inspection/ replacement

Ammonia compressor Head/packing/ Piston rings/ Piston ring Expanders inspec-tion/replacement

Replacement of Stem packing/washer/O ring etc(Ammonia Compressor)

Ammonia Compressor Sucion/discharge Valve seat/valve plate/spring/bumper etc replacement:

Servicing The Four- Way valve in Ammonia unloading system

Reconditioning/replacement of Liquid trap/Drain valve/Strainers/Pressure gauge/Reliefe valve/Oil pump/Misc valve/interconnecting piping/Gasket/ O rings/ Misc job( of Ammonia compressor):

Complete servicing/revisioning of jam long retractable soot blowers (LRSB) for their smooth operation

Complete servicing/revisioning of head valve assembly of LRSB

Replacement of flange gasket of head valve assembly of LRSB

Servicing of gear boxes of rotary/Traverse motion of LRSB

Replacement of orifices of soot blowing system

Repairing/replacement of damaged trip rod cover plate/trip rod by proper grinding & welding with suitable cast iron welding electrode

Servicing/Replacement of chain of LRSB

Servicing of carriage housing of LRSB

Replacement of gland packing to arrest steam leakage from LRSB lance tube

Replacement of damaged lance tube of LRSB

Straightening of bend lance tube of LRSB

Fabrication of different of damaged size of MS flange of size 100mm to 125mm

Servicing/replacement OF LUB OIL CONSOLE/ lube oil Heater

Replacement of gaskets in Ammonia piping:

Replacement of gaskets in steam/water line

Replacement of gasket of manhole of Vaporizer/Accumulator/Reactor/Ammonia storage tank etc:

Erection of Scaffolding

Removal of damaged refractory and casting of new refractory in manhole and manhole cover/peep manhole and peep hole cover

Servicing/replacement of Air line valves, oil line valves

Replacement of pipe dia 10mm to 50mm

Attending minor leakage of Ammonia from pipe, bend etc at different place of boiler side ‘0’ meter to ‘54’ meter

Repairing/Straightning of Ladder/Hand rail/Gratings/Foldable platform

Fixing of 65/50mm thick LRB/mineral wool insulation pad in single layer

Fixing of 65/50 mm thick LRB /mineral wool insulation pad in double layer

Fixing of 65/50mm thick LRB/mineral wool insulation pad in triple layer

Fixing of G.P. sheet 22 SWG ( 0.71 mm Thick ):

Removing the old webbed G.C. sheet / G.P. sheet / Aluminium sheet and fixing the same on LRB Pads with self tapped screws

N2/inert gas Filling/Purging in Accumulator/piping/other vessel

Packing (PTEF/Graphite ribbon etc) replacement in various valves

Hard facing of piping Protectors surface etc of flue gas path in Reactor

Ammonia unloading from lorry to Ammonia storage tank

SHIVAM ENERGYTECH PVT LTD