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    • Annual Breakdown Maintenance Of, Esp, Bah, Dfa And Pump Section Of Ash Handling Plant Of 5X200mw, Btps, Obra., SONEBHADRA-Uttar Pradesh

    Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Annual Breakdown Maintenance Of, Esp, Bah, Dfa And Pump Section Of Ash Handling Plant Of 5X200mw, Btps, Obra.. Submission Date for this Tender is 29-03-2022. Miscellaneous Fasteners Tenders in SONEBHADRA Uttar Pradesh. Bidders can get complete Tender details and download the document.




    Tender Notice

    30714422
    Corrigendum : Annual Breakdown Maintenance Of, Esp, Bah, Dfa And Pump Section Of Ash Handling Plant Of 5X200mw, Btps, Obra.
    Open Tender
    Indian
    Uttar Pradesh
    SONEBHADRA
    29-03-2022

    Tender Details

    Annual Breakdown Maintenance Of, Esp, Bah, Dfa And Pump Section Of Ash Handling Plant Of 5X200mw, Btps, Obra.

    Corrigendum Details

    Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
    1 03-Mar-2022 Date Extension Date 11-03-2022
    2 11-Mar-2022 DATE EXTENSTION Date 21-03-2022
    3 22-Mar-2022 DATE EXTENSION Date 29-03-2022
    4 22-Mar-2022 IFSC CODE CORRECTION Other 29-03-2022

    Key Value

    Document Fees
    INR 1180 /-
    EMD
    INR 110000.0 /-
    Tender Value
    INR 59.75 Lakhs /-

    BOQ Items

    Name of Work: Annual breakdown maintenance of, ESP, BAH, DFA and Pump Section of Ash Handling Plant of 5x200MW, ‘B’ TPS, Obra
    Sl. No. Item Description
    1Servicing of clinker grinder with their drive mechanism.
    2Replacement/servicing of bearing of clinker grinder.
    3Servicing of bearing housing of clinker grinder.
    4Replacement/servicing of driven/ driving sprocket. (15/45 teeth)
    5Servicing of fluid coupling of clinker grinder.
    6Servicing/overhauling of gear box type sumo ALLROYD/Premium make 30:1 of bottom ash hopper.
    7Alignment of clinker grinder motor.
    8Replacement of defective gear box/fluid coupling of clinker grinder.
    9Fabrication & replacement of overflow tank of BAH.
    10Servicing /repairing of jetting nozzle body.
    11Cleaning of jet Pulsion pump to remove chocking.
    12Servicing/replacement of Jet Pulsion Pump.
    13Servicing/replacement of pneumatic Power Cylinder for Clinker grinder.
    14Cleaning of chocking overflow line of BAH.
    15Cleaning of flushing nozzle of BAH.
    16Servicing/overhauling of bottom ash hopper feed gate with roller assembly.
    17Fabrication of feed gate BAH.
    18Removal of chocking of seal trough.
    19Refixing/replacement of wire mesh in BAH.
    20To isolate BAH during shutdown of boiler.
    21Welding to attend leakage.
    22Replacement of Jet Pulson Pump nozzle.
    23Fabrication & installation of feed sump.
    24Removal of clinker stuck up/deposited inside the furnace bottom ash hopper by pocking during the running of Unit.
    25Chocking removal of feed sump.
    26Removal chocking of bottom ash transport line.
    27Turing of MS pipe 8”.
    28Replacement of MS pipe 8”.
    29To take out foreign material like wire mesh/iron pes./pipes etc. from BAH.
    30Servicing/cleaning of air converted tank & connected pipe.
    31Refractory work in BAH.
    32Replacement of gland packing at any one end of roller of. Clinker grinder.
    33Replacement of complete Jet Pulsion Pump assembly.
    34Replacement/adjustment of chain of clinker grinder.
    35Closing & opening of discharge gate of BAH.
    36Replacement of eye bolts of access door of BAH.
    37Replacement of clinker grinder by new or shifting from other Unit and commissioning of the same.
    38Fabrication & erection of bend 4” to 8”.
    39Servicing of low pressure line valves
    40Replacement of wornout/damaged pipe of following sizes.
    41a) 1”
    42b) 2”
    43c) 3”
    44d) 4”
    45e) 6”
    46f) 8”
    47Removal of chocking of economizer hopper sluicing tank and all connected pipe line.
    48Patching of eroded plate by MS plate of 5 mm to 12 mm.
    49Replacement/alignment/servicing/overhauling of solenoid valve.
    50Replacement/servicing of nozzle of economizer sluicing tank.
    51Complete cleaning of economizer hoppers during Shut down of Unit.
    52Replacement of pocking hole cover of economizer hopper.
    53Replacement/servicing of Pneumatic Power Cylinder 8” dezurik valve of Botttom Ash discharge pipe line.
    54Servicing/overhauling/replacement of 8” dezurik valve.
    55Repairing/replacement of worn out parts of coupling 8” dia of Bottom Ash Disposal Line.
    56Replacement/servicing of air check valve.
    57Replacement/servicing of of TRESG valve 10”.
    58Replacement/servicing of TRESG valve 8”.
    59Replacement/servicing of Butterfly valve:
    60a) Size 2 ½”
    61b) Size 6”
    62c) Size 8”
    63d) Size 10”
    64Replacement/servicing of Power Cylinder:
    65a) Size 2.5”
    66b) Size 4”
    67c) Size 6”
    68Replacement / servicing of different size valves:
    69a) Size 4”
    70b) Size 6”
    71c) Size 8”
    72d) Size 10”
    73e) Size 12”
    74Replacement of Disc/Seat 1st & 2nd row of ESP Hopper.
    75Replacement of Disc/Seat 3rd & 6th row & APH Hopper.
    76Replacement of fluidizing blower “V”- belt.
    77Servicing of fluidizing blower.
    78Alignment of fluidizing blower motor.
    79Poking of ESP, APH hoppers.
    80Choking removal &removal foreign material in APH/ESP hopper.
    81Replacement of connector/gasket 8”/10”.
    82Replacement of different size bend:
    83a) Size 6”
    84b) Size 8”
    85c) Size 10”
    86Replacement of different size lateral 8”/10”.
    87Patch work by welding in different area of fly ash system up to one squire fit.
    88Cutting and replacement spool pipe pieces of different size 6’/8’/10’.
    89Servicing/cleaning of air washer nozzle.
    90Servicing/cleaning of hydro mixer nozzle.
    91Removal of chocking vacuum line.
    92Removal of choking ACT & its connected pipe line.
    93Reinforcement of ACT cylindrical portion as well as conical portion.
    94Replacement of tail pipe (adopter).
    95Replacement of hydro mixer nozzle.
    96Replacement of air washer nozzle.
    97Fabrication & erection 12” MS lateral portion in discharge sideof ACT tank pipe dia 250 mm to 300 mm.
    98Replacement/Servicing of vacuum barker system.
    99Replacement of wear plate of ACT.
    100Fabrication of wear plate of ACT.
    101Replacement of MS/CI pipe:
    102a) Size 4”
    103b) Size 6”
    104c) Size 8”
    105d) Size 10”
    106Replacement of different hopper discharge W/O adaptor.
    107Replacement of ash intec valve 1st & 2nd row of diffuser.
    108Servicing of vacuum pump.
    109Alignment of motor & vacuum pump with belt replacement if required.
    110Store handling material from CSD-II to site store.
    111Fabrication & erection of bend of following size:
    112a) Size 4”
    113b) Size 6”
    114c) Size 8”
    115d) Size 10”
    116Replacement of damage bearing of vacuum pump.
    117Replacement of shaft sleeve of vacuum pump.
    118Replacement of body of hydro mixer 10”.
    119Replacement of body fad 12” x 6” mach.
    120Replacement of hopper 12” x 4.6”.
    121Replacement of sharp sheet of ash intake valve of 3rd to 6th row.
    122Replacement of ash intake valve of 1st to 2nd row.
    123Replacement of ash intake 3rd to 6th row.
    124Alignment of misaligned disposal line fitting 8”/10”.
    125Replacement/alignment of solenoid valve of 2.5”/4”/6” power cylinder.
    126Repairing of tail pipe by patch welding.
    127Repairing of C.I. bends and lateral size 8”/10”.
    128Servicing/repair/overhauling of solenoid valve of 2.5” power cylinder.
    129Servicing/repair/overhauling of solenoid valve of 4”/6” power cylinder.
    130Replacement ofMS Plate of economizer hopper and air preheater hoppers plateforms with 10 mn to 16 mm thick
    131Fabrication and erection of platform on bottom Ash disposal pipe line
    132Cleaning 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.
    133Cleaning of complete two Nos. Hoppers of one field of ESP.
    134Replacement of damaged motor gear of rapping system.
    135Repairing of damaged rapping gear box.
    136Servicing of rapping gear box coupling bearing block.
    137Straightening of bend collecting electrodes.
    138Removal & fixing the collecting electrodes.
    139Repairing of bend collecting electrodes in ESP in fixed condition.
    140Removal of damaged emitting electrodes and fixing.
    141Servicing/repair/replacement of rapping hammer.
    142Repair/replacement of bend shock bar.
    143Straightening of rapping shaft.
    144Repair/fixing and welding of ash deflector plate.
    145Two coat of continuous run of welding on ESP ash hopper, ESP roof, other places in ESP.
    146Fabrication and erection of new deflector plates in ash hopper.
    147Inspection and checking of fields and removal of minor defects.
    148Replacement of asbestos rope of ESP top manholes, side manholes and ESP hopper manholes.
    149i) ESP top manholes
    150ii) ESP side manholes
    151iii) ESP hopper manholes.
    152Fixing of collecting electrodes with new clamp by welding.
    153Straightening of bend stay guide bar of collecting structure.
    154Replacement of damaged shaft insulator by new one.
    155Replacement of the damaged support insulator by new or replacement of sealing asbestos rope of size 20 mm & 10/8 mm.
    156Repair of support insulator screen pipe of ESP.
    157Replacement of plain bearing by new one if required.
    158Repair/replacement of shock bar guides, front, rear and support hook by welding and grinding wherever required.
    159Repair/replacement of coupling of reduction gear box of emitting/collecting rapping system.
    160Repairing or emitting frame by patch welding.
    161Replacement of damaged bracing pipe at ESP inlet.
    162Replacement/repair or vertical stay of emitting frame of ESP.
    163Repairing of man hole by replacing the damaged plate portion with new one.
    164Replacenment/cutting & welding of Y-piece of DFA system .
    165Attending leakages of flue gas duct from ESP inlet gate to ESP outlet gate.
    166Repairing of ESP inlet duct to ESP outlet duct welding of new plates inside the duct.
    167Fabrication & replacement of expansion joints bellows/baffle plate.
    168Servicing of gear box type HI 180 permium make with ratio 1.35:1 P2 of ash slurry pump.
    169Servicing of pembril make type & size PST-500 variable speed fluid coupling of ASP.
    170Removing of foreign material hard clinkers from inside of ash slurry pumps.
    171Servicing of NRV’s of different size installed in ash slurry pump house.
    172Removal ofpulley & shaft sleeve of ash slurry pump motor.
    173Installation of shaft sleeve & repaired/new pulley on the shaft of ash slurry pump motor.
    174Complete Servicing of ash slurry pumps including replacement of its worn out parts.
    175Complete Servicing of seal water pumps including replacement of its worn out parts.
    176De silting of outlet pipe of seal water of ash slurry/dewatering pump.
    177Complete Servicing of dewatering pump.
    178Replacement of damaged /broken “V” belt of ash slurry pumps.
    179Removal & 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.
    180Adjustment of ash slurry pump speed by increasing/decreasing the PCD (scoope) as per site requirement.
    181Replacement of damaged/worn out suction flange, delivery flange, distance piece of ash slurry pumps.
    182Servicing of air release line including associated air release valve of discharge pipe line of ash slurry pump.
    183Removal 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.
    184Installation 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.
    185Replacement of damaged valves/NRVs/seal water flow indicater of size 25 mm/40mm/50mm/65mm/80mm,100mm &150mm Nb.
    186Servicing/replacement of valves of size 300mm/350mm Nb.
    187Replacement of damaged flange of distance piece/delivery flange/suction flange.
    188Replacement of damaged oil seal at pulley side of ash slurry pump.
    189Replacement of ash slurry pump pulley by new/repaired pulley.
    190Connection of seal water pipe with inlet of seal water of ash slurry pumps/dewatering pump.
    191Providing full stiffener inside the grouted distance piece at suction of ash slurry pumps.
    192Transportation of complete ash slurry pump from pump foundation to overhauling foundation for servicing of ash slurry pump.
    193Transportation of complete ash slurry pump from overhauling foundation to pump foundation after servicing of ash slurry pump.
    194Welding & patching of pipe in ash slurry pump house to 400mm x 300mm.
    195Turning of suction flange, delivery flange & distance piece of ash slurry pump.
    196Alignment of seal water pump whenever motor is removed.
    197Cleaning of water tubes of fluid coupling oil cooler of ash slurry pump.
    198Revisioning & checking of fluid coupling oil cooler of ASP.
    199Cleaning of cooling line of fluid coupling oil cooler.
    200Dewatering and cleaning of ash water SUMP compartment.
    201Servicing of pneumatic power cylinder of 14”/12” ash flow valve.
    202Fabrication of 300/350 mm Nb bends for ash slurry pump/as per site requirement with full stiffener.
    203Fabrication of MS flange of size 25 mm Nb to 350 mm Nb.
    204Welding of new/repaired flanges of size 25 mm Nbto 250 mm Nb on seal water pipe line its accessories and dewatering pump jetting arrangement of ash pit as per requirement.
    205Fabrication of distance piece of ash slurry pump with full stiffener from 300/350 mm Nb MS.
    206Fabrication of delivery flange of ash slurry pump with full stiffener from 300/350 Nb MS pipe.
    207To provide half stiffener on ash slurry disposal pipe line inside ash slurry pump house.
    208Fabrication of suction flange of ash slurry pump with full stiffener from 350 mm Nb MS pipe.
    209Replacement of wornout/damaged both side flanged pipe size 300/350 mm Nb inside ash slurry pump house .
    210Cutting of old flange from worn out/damaged pipe of size 300/350 mm Nb.
    211Replacement of 300/350 mmNb bend inside ash slurry pump house & cross over system of ash disposal pipe line.
    212Replacement of wornout/damaged pipe of size 15 mm Nb to 350 mm Nb in ash slurry pump house.
    213Turning of MS suction &discharge line of ASP.
    214Cleaning of chocking of suction & discharge line of ASP.
    215Servicing of chain pulley block of following capacities
    216a) Chain pulley block of 5 MT capacities.
    217b) Chain pulley block of 10 MT capacities.
    218Cleaning of Ash Slurry Sump.
    219Servicing of HP ash water pump.
    220Replacement of HP ash water pump bearing.
    221Replacement of tube connector bearing/enclosing tubes/top or inter shaft of HP pump.
    222Servicing of LP ash water pump.
    223Replacement of tube connector bearing/enclosing tubes/top or inter shaft of LP pump.
    224Replacement of LP ash water pump bearing.
    225Blue matching of foundation of followings pumps after taking out pump assembly from sump.
    226a) HP ash water pump.
    227b) LP ash water pump.
    228Replacement of top shaft/line shaft sleeve ofHP.
    229Decoupling or coupling of HP pump with motor of HP.
    230Alignment of pump and motor of HP pump.
    231Servicing of bearing housing of HP pump.
    232Replacement of gland follower/stuffing box/tension nut of HP pump.
    233Replacement of column pipe its flange gasket or packing gland at top/line shaft/top shaft guide bearing of HP pump.
    234Checking of eccentricity of shaft after repairing connecting the same of the following:
    235a) HP top/pump shaft
    236b) HP inter/line shaft
    237c) LP top/pump shaft
    238d) LP inter/line shaft
    239Servicing of HP line gate/glow valves and NRVs.
    240Replacement of HP line gate/glow valves and NRVs.
    241Fabrication of 450 to 900 bends of following size by cutting and welding.
    242a) 4” dia
    243b) 6” dia
    244c) 8” dia
    245d) 12” dia
    246Servicing of gear operated inlet valve of Ash water sump
    247Servicing of overhead/hand operated crane (5 MT) installed at the height 10 mtr.
    248Fabrication 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.
    249a- 8"x6"
    250b- 12"x10"
    251Repairing/ Rebuild and machining of worn out / damaged /eroded assembly parts of different type pumps and Clinker Grinder
    252Onesectorofoutercasingwithneck(Outer side and inner side) of ash slurry pump
    253Other sector of outer casing without neck ( outer side and Inner side) of Ash Slurry Pump
    254Wear plate ‘B’ sideof Ash Slurry Pump at Collar side
    255Wear plate ‘B’ sideof Ash Slurry Pump at without collar side
    256Wear plate ‘S’ sideof Ash Slurry Pump at Collar side
    257Wear plate ‘S’ sideof Ash Slurry Pump at without collar side
    258Gland Housingof Ash Slurry Pump at collar side
    259Gland Housingof Ash Slurry Pump at without collar side ( Inner side)
    260Suction Side cover of Ash Slurry Pump at Impeller side (Inner side)
    261Suction Side cover of Ash Slurry Pump at Doom nut side ( outer side)
    262Bracket Side cover of Ash Slurry Pump at Impeller side (Inner side)
    263Bracket Side cover of Ash Slurry Pump at Gland Housing side ( outer side)
    264Suction Flange of Ash Slurry Pump at Collar side
    265Suction Flange of Ash Slurry Pump at without collar side
    266Shaft of Ash Slurry Pump
    267Shaft of Clinker Grinder
    268Casing/Body of Vacuum Pump
    269Shaft with Impeller of Fluidizing Blower
    270Thrust bearing Hub of HP Ash Water Pump
    271Thrust bearing Hub of LP Ash Water Pump
    272Bearing housing with mounting cover of HP/LP Ash water Pump.
    273Lower coupling half (Balancer) of HP/LP Ash Water Pump.
    274Fabrication of Worm Gear byre-casting, tooth cutting and Machining of Worm Gear of Clinker Grinder Gear Box
    275Repairing and Machining of different types of valve.
    276Gate / glove valve /NRV-150 mm
    277Gate / glove valve /NRV-200/250 mm
    278Fabrication of different types of sleeve and Shaft
    279Shaft sleeve of Ash slurry pump( Material-SS-304)
    280Shaft sleeve of HP Ash Water pump ( Material-SS-316)
    281Shaft sleeve of LP Ash Water pump( Material.-SS-316)
    282Shaft sleeve of Clinker grinder ( Material-SS-304)
    283Shaft sleeve of Vacuum pump (Material- SS-410)
    284Top/ Inter shaft of HP Ash Water Pump
    285Top/ Inter shaft of LP Ash Water Pump
    286Shaft of Fluidizing Blower
    287Balancing of different types of Impeller
    288Impeller of Ash Slurry pump
    289Impeller of Vacuum Pump
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