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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹49.2 LAccepted-AOC | L1 | Accepted-AOC L1 | |
| 2 | L2₹49.5 L+₹25,937.36 (0.53%)Rejected-Finance NH 3 A 145 VINDHYANAGAR SINGRAULI MADHYA PRADESH 486885 | SINGRAULI | MADHYA PRADESH | 486885 | L2 | Rejected-Finance High quoted amount | |
| 3 | L3₹68.7 L+₹19.5 L (39.5%)Rejected-Finance | L3 | Rejected-Finance High quoted amount |
Tender Value
₹59.8 L
EMD Value
₹1.1 L
Closing Date
29 Mar 2022, 6:00 pmClosed
SE-I, 2X200MW, BTPS, OBRA
SE-I, 2X200MW, BTPS, OBRA
Annual breakdown maintenance of, ESP, BAH, DFA and Pump Section of Ash Handling Plant of 5x200MW, BTPS, Obra
2022_RVUNL_674665_1
T-6/SE-I/2X200/AHD-II/21-22
Open Tender
Miscellaneous Works
Fixed-rate
365 days
OTPS
as per tender document
3 documents required · 3 mandatory
₹1,180
Dy. CAO, CFA and BO, BTPS, Obra
₹1.1 L
14 Jul 2022
15 Jan 2022
31 Mar 2022
15 Jan 2022
29 Mar 2022
15 Jan 2022
15 Jan 2022 - 29 Mar 2022
Amount
Servicing of clinker grinder with their drive mechanism.
Replacement/servicing of bearing of clinker grinder.
Servicing of bearing housing of clinker grinder.
Replacement/servicing of driven/ driving sprocket. (15/45 teeth)
Servicing of fluid coupling of clinker grinder.
Servicing/overhauling of gear box type sumo ALLROYD/Premium make 30:1 of bottom ash hopper.
Alignment of clinker grinder motor.
Replacement of defective gear box/fluid coupling of clinker grinder.
Fabrication & replacement of overflow tank of BAH.
Servicing /repairing of jetting nozzle body.
Cleaning of jet Pulsion pump to remove chocking.
Servicing/replacement of Jet Pulsion Pump.
Servicing/replacement of pneumatic Power Cylinder for Clinker grinder.
Cleaning of chocking overflow line of BAH.
Cleaning of flushing nozzle of BAH.
Servicing/overhauling of bottom ash hopper feed gate with roller assembly.
Fabrication of feed gate BAH.
Removal of chocking of seal trough.
Refixing/replacement of wire mesh in BAH.
To isolate BAH during shutdown of boiler.
Welding to attend leakage.
Replacement of Jet Pulson Pump nozzle.
Fabrication & installation of feed sump.
Removal of clinker stuck up/deposited inside the furnace bottom ash hopper by pocking during the running of Unit.
Chocking removal of feed sump.
Removal chocking of bottom ash transport line.
Turing of MS pipe 8”.
Replacement of MS pipe 8”.
To take out foreign material like wire mesh/iron pes./pipes etc. from BAH.
Servicing/cleaning of air converted tank & connected pipe.
Refractory work in BAH.
Replacement of gland packing at any one end of roller of. Clinker grinder.
Replacement of complete Jet Pulsion Pump assembly.
Replacement/adjustment of chain of clinker grinder.
Closing & opening of discharge gate of BAH.
Replacement of eye bolts of access door of BAH.
Replacement of clinker grinder by new or shifting from other Unit and commissioning of the same.
Fabrication & erection of bend 4” to 8”.
Servicing of low pressure line valves
Replacement of wornout/damaged pipe of following sizes.
Removal of chocking of economizer hopper sluicing tank and all connected pipe line.
Patching of eroded plate by MS plate of 5 mm to 12 mm.
Replacement/alignment/servicing/overhauling of solenoid valve.
Replacement/servicing of nozzle of economizer sluicing tank.
Complete cleaning of economizer hoppers during Shut down of Unit.
Replacement of pocking hole cover of economizer hopper.
Replacement/servicing of Pneumatic Power Cylinder 8” dezurik valve of Botttom Ash discharge pipe line.
Servicing/overhauling/replacement of 8” dezurik valve.
Repairing/replacement of worn out parts of coupling 8” dia of Bottom Ash Disposal Line.
Replacement/servicing of air check valve.
Replacement/servicing of of TRESG valve 10”.
Replacement/servicing of TRESG valve 8”.
Replacement/servicing of Butterfly valve:
a) Size 2 ½”
b) Size 6”
c) Size 8”
d) Size 10”
Replacement/servicing of Power Cylinder:
a) Size 2.5”
b) Size 4”
c) Size 6”
Replacement / servicing of different size valves:
a) Size 4”
b) Size 6”
c) Size 8”
d) Size 10”
e) Size 12”
Replacement of Disc/Seat 1st & 2nd row of ESP Hopper.
Replacement of Disc/Seat 3rd & 6th row & APH Hopper.
Replacement of fluidizing blower “V”- belt.
Servicing of fluidizing blower.
Alignment of fluidizing blower motor.
Poking of ESP, APH hoppers.
Choking removal &removal foreign material in APH/ESP hopper.
Replacement of connector/gasket 8”/10”.
Replacement of different size bend:
a) Size 6”
b) Size 8”
c) Size 10”
Replacement of different size lateral 8”/10”.
Patch work by welding in different area of fly ash system up to one squire fit.
Cutting and replacement spool pipe pieces of different size 6’/8’/10’.
Servicing/cleaning of air washer nozzle.
Servicing/cleaning of hydro mixer nozzle.
Removal of chocking vacuum line.
Removal of choking ACT & its connected pipe line.
Reinforcement of ACT cylindrical portion as well as conical portion.
Replacement of tail pipe (adopter).
Replacement of hydro mixer nozzle.
Replacement of air washer nozzle.
Fabrication & erection 12” MS lateral portion in discharge side of ACT tank pipe dia 250 mm to 300 mm.
Replacement/Servicing of vacuum barker system.
Replacement of wear plate of ACT.
Fabrication of wear plate of ACT.
Replacement of MS/CI pipe:
a) Size 4”
b) Size 6”
c) Size 8”
d) Size 10”
Replacement of different hopper discharge W/O adaptor.
Replacement of ash intec valve 1st & 2nd row of diffuser.
Servicing of vacuum pump.
Alignment of motor & vacuum pump with belt replacement if required.
Store handling material from CSD-II to site store.
Fabrication & erection of bend of following size:
a) Size 4”
b) Size 6”
c) Size 8”
d) Size 10”
Replacement of damage bearing of vacuum pump.
Replacement of shaft sleeve of vacuum pump.
Replacement of body of hydro mixer 10”.
Replacement of body fad 12” x 6” mach.
Replacement of hopper 12” x 4.6”.
Replacement of sharp sheet of ash intake valve of 3rd to 6th row.
Replacement of ash intake valve of 1st to 2nd row.
Replacement of ash intake 3rd to 6th row.
Alignment of misaligned disposal line fitting 8”/10”.
Replacement/alignment of solenoid valve of 2.5”/4”/6” power cylinder.
Repairing of tail pipe by patch welding.
Repairing of C.I. bends and lateral size 8”/10”.
Servicing/repair/overhauling of solenoid valve of 2.5” power cylinder.
Servicing/repair/overhauling of solenoid valve of 4”/6” power cylinder.
Replacement of MS Plate of economizer hopper and air preheater hoppers plateforms with 10 mn to 16 mm thick
Fabrication and erection of platform on bottom Ash disposal pipe line
Cleaning of complete structure, electrodes, insulator bushing and shock bars of one field and connected two Nos. hoppers of ESP by wire brush, compresses air opening hopper side & top manhole.
Cleaning of complete two Nos. Hoppers of one field of ESP.
Replacement of damaged motor gear of rapping system.
Repairing of damaged rapping gear box.
Servicing of rapping gear box coupling bearing block.
Straightening of bend collecting electrodes.
Removal & fixing the collecting electrodes.
Repairing of bend collecting electrodes in ESP in fixed condition.
Removal of damaged emitting electrodes and fixing.
Servicing/repair/replacement of rapping hammer.
Repair/replacement of bend shock bar.
Straightening of rapping shaft.
Repair/fixing and welding of ash deflector plate.
Two coat of continuous run of welding on ESP ash hopper, ESP roof, other places in ESP.
Fabrication and erection of new deflector plates in ash hopper.
Inspection and checking of fields and removal of minor defects.
Replacement of asbestos rope of ESP top manholes, side manholes and ESP hopper manholes.
i) ESP top manholes
ii) ESP side manholes
iii) ESP hopper manholes.
Fixing of collecting electrodes with new clamp by welding.
Straightening of bend stay guide bar of collecting structure.
Replacement of damaged shaft insulator by new one.
Replacement of the damaged support insulator by new or replacement of sealing asbestos rope of size 20 mm & 10/8 mm.
Repair of support insulator screen pipe of ESP.
Replacement of plain bearing by new one if required.
Repair/replacement of shock bar guides, front, rear and support hook by welding and grinding wherever required.
Repair/replacement of coupling of reduction gear box of emitting/collecting rapping system.
Repairing or emitting frame by patch welding.
Replacement of damaged bracing pipe at ESP inlet.
Replacement/repair or vertical stay of emitting frame of ESP.
Repairing of man hole by replacing the damaged plate portion with new one.
Replacenment/cutting & welding of Y-piece of DFA system .
Attending leakages of flue gas duct from ESP inlet gate to ESP outlet gate.
Repairing of ESP inlet duct to ESP outlet duct welding of new plates inside the duct.
Fabrication & replacement of expansion joints bellows/baffle plate.
Servicing of gear box type HI 180 permium make with ratio 1.35:1 P2 of ash slurry pump.
Servicing of pembril make type & size PST-500 variable speed fluid coupling of ASP.
Removing of foreign material hard clinkers from inside of ash slurry pumps.
Servicing of NRV’s of different size installed in ash slurry pump house.
Removal of pulley & shaft sleeve of ash slurry pump motor.
Installation of shaft sleeve & repaired/new pulley on the shaft of ash slurry pump motor.
Complete Servicing of ash slurry pumps including replacement of its worn out parts.
Complete Servicing of seal water pumps including replacement of its worn out parts.
De silting of outlet pipe of seal water of ash slurry/dewatering pump.
Complete Servicing of dewatering pump.
Replacement of damaged /broken “V” belt of ash slurry pumps.
Removal & refting of “v” belts of ash slurry pump & motor when ash slurry pump/motor is replaced or removed from the foundation & re-alignment of the same.
Adjustment of ash slurry pump speed by increasing/decreasing the PCD (scoope) as per site requirement.
Replacement of damaged/worn out suction flange, delivery flange, distance piece of ash slurry pumps.
Servicing of air release line including associated air release valve of discharge pipe line of ash slurry pump.
Removal of worn out/damaged valves of size more than 80 Nb from ash disposal pipe line/seal water pipe line &make dummy both sides dummy plates.
Installation of new/reapaired valves of size more than 80 mm NB from ash disposal pipe line/seal water pipe line after removal of dummy plate from both end.
Replacement of damaged valves/NRVs/seal water flow indicater of size 25 mm/40mm/50mm/65mm/80mm,100mm &150mm Nb.
Servicing/replacement of valves of size 300mm/350mm Nb.
Replacement of damaged flange of distance piece/delivery flange/suction flange.
Replacement of damaged oil seal at pulley side of ash slurry pump.
Replacement of ash slurry pump pulley by new/repaired pulley.
Connection of seal water pipe with inlet of seal water of ash slurry pumps/dewatering pump.
Providing full stiffener inside the grouted distance piece at suction of ash slurry pumps.
Transportation of complete ash slurry pump from pump foundation to overhauling foundation for servicing of ash slurry pump.
Transportation of complete ash slurry pump from overhauling foundation to pump foundation after servicing of ash slurry pump.
Welding & patching of pipe in ash slurry pump house to 400mm x 300mm.
Turning of suction flange, delivery flange & distance piece of ash slurry pump.
Alignment of seal water pump whenever motor is removed.
Cleaning of water tubes of fluid coupling oil cooler of ash slurry pump.
Revisioning & checking of fluid coupling oil cooler of ASP.
Cleaning of cooling line of fluid coupling oil cooler.
Dewatering and cleaning of ash water SUMP compartment.
Servicing of pneumatic power cylinder of 14”/12” ash flow valve.
Fabrication of 300/350 mm Nb bends for ash slurry pump/as per site requirement with full stiffener.
Fabrication of MS flange of size 25 mm Nb to 350 mm Nb.
Welding of new/repaired flanges of size 25 mm Nb to 250 mm Nb on seal water pipe line its accessories and dewatering pump jetting arrangement of ash pit as per requirement.
Fabrication of distance piece of ash slurry pump with full stiffener from 300/350 mm Nb MS.
Fabrication of delivery flange of ash slurry pump with full stiffener from 300/350 Nb MS pipe.
To provide half stiffener on ash slurry disposal pipe line inside ash slurry pump house.
Fabrication of suction flange of ash slurry pump with full stiffener from 350 mm Nb MS pipe.
Replacement of wornout/damaged both side flanged pipe size 300/350 mm Nb inside ash slurry pump house .
Cutting of old flange from worn out/damaged pipe of size 300/350 mm Nb.
Replacement of 300/350 mmNb bend inside ash slurry pump house & cross over system of ash disposal pipe line.
Replacement of wornout/damaged pipe of size 15 mm Nb to 350 mm Nb in ash slurry pump house.
Turning of MS suction &discharge line of ASP.
Cleaning of chocking of suction & discharge line of ASP.
Servicing of chain pulley block of following capacities
a) Chain pulley block of 5 MT capacities.
b) Chain pulley block of 10 MT capacities.
Cleaning of Ash Slurry Sump.
Servicing of HP ash water pump.
Replacement of HP ash water pump bearing.
Replacement of tube connector bearing/enclosing tubes/top or inter shaft of HP pump.
Servicing of LP ash water pump.
Replacement of tube connector bearing/enclosing tubes/top or inter shaft of LP pump.
Replacement of LP ash water pump bearing.
Blue matching of foundation of followings pumps after taking out pump assembly from sump.
a) HP ash water pump.
b) LP ash water pump.
Replacement of top shaft/line shaft sleeve of HP.
Decoupling or coupling of HP pump with motor of HP.
Alignment of pump and motor of HP pump.
Servicing of bearing housing of HP pump.
Replacement of gland follower/stuffing box/tension nut of HP pump.
Replacement of column pipe its flange gasket or packing gland at top/line shaft/top shaft guide bearing of HP pump.
Checking of eccentricity of shaft after repairing connecting the same of the following:
a) HP top/pump shaft
b) HP inter/line shaft
c) LP top/pump shaft
d) LP inter/line shaft
Servicing of HP line gate/glow valves and NRVs.
Replacement of HP line gate/glow valves and NRVs.
Fabrication of 450 to 900 bends of following size by cutting and welding.
Servicing of gear operated inlet valve of Ash water sump
Servicing of overhead/hand operated crane (5 MT) installed at the height 10 mtr.
Fabrication and erection of Reducer of following dia. By cutting and welding. The length of reducer shall be between .5 m To 1.0 m as per requirement.
Repairing/ Rebuild and machining of worn out / damaged /eroded assembly parts of different type pumps and Clinker Grinder
One sector of outer casing with neck(Outer side and inner side) of ash slurry pump
Other sector of outer casing without neck ( outer side and Inner side) of Ash Slurry Pump
Wear plate ‘B’ side of Ash Slurry Pump at Collar side
Wear plate ‘B’ side of Ash Slurry Pump at without collar side
Wear plate ‘S’ side of Ash Slurry Pump at Collar side
Wear plate ‘S’ side of Ash Slurry Pump at without collar side
Gland Housing of Ash Slurry Pump at collar side
Gland Housing of Ash Slurry Pump at without collar side ( Inner side)
Suction Side cover of Ash Slurry Pump at Impeller side (Inner side)
Suction Side cover of Ash Slurry Pump at Doom nut side ( outer side)
Bracket Side cover of Ash Slurry Pump at Impeller side (Inner side)
Bracket Side cover of Ash Slurry Pump at Gland Housing side ( outer side)
Suction Flange of Ash Slurry Pump at Collar side
Suction Flange of Ash Slurry Pump at without collar side
Shaft of Ash Slurry Pump
Shaft of Clinker Grinder
Casing/Body of Vacuum Pump
Shaft with Impeller of Fluidizing Blower
Thrust bearing Hub of HP Ash Water Pump
Thrust bearing Hub of LP Ash Water Pump
Bearing housing with mounting cover of HP/LP Ash water Pump.
Lower coupling half (Balancer) of HP/LP Ash Water Pump.
Fabrication of Worm Gear by re-casting, tooth cutting and Machining of Worm Gear of Clinker Grinder Gear Box
Repairing and Machining of different types of valve.
Gate / glove valve /NRV-150 mm
Gate / glove valve /NRV-200/250 mm
Fabrication of different types of sleeve and Shaft
Shaft sleeve of Ash slurry pump( Material-SS-304)
Shaft sleeve of HP Ash Water pump ( Material-SS-316)
Shaft sleeve of LP Ash Water pump( Material.-SS-316)
Shaft sleeve of Clinker grinder ( Material-SS-304)
Shaft sleeve of Vacuum pump (Material- SS-410)
Top/ Inter shaft of HP Ash Water Pump
Top/ Inter shaft of LP Ash Water Pump
Shaft of Fluidizing Blower
Balancing of different types of Impeller
Impeller of Ash Slurry pump
Impeller of Vacuum Pump
M/s Krishna Engineering Works
INDIA ENGINEERING WORKS
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