Rate Contract for Maintenance jobs of Unit#3 under BM, KTPS.

Amount

Job: Part:A

COAL MILL WORK: Insertion of Filling Balls & if required, Damaged Balls are to be removed from the Coal Mill

COAL MILL WORK: Insertion of Filling Balls.

COAL MILL WORK: Replacement of Stirrup assembly & if required Swivel Balls of Stir-rup Assembly are to be changed

COAL MILL WORK: Loading Block of Spider replace-ment & allied work as necessary

COAL MILL WORK: Total Set of Grinding Ball re-placement

COAL MILL WORK: Measurement of wear of GRINDING ZONE: Ring & Ball

COAL MILL WORK: Checking of Coal Mill internals

COAL MILL WORK: Replacement of Throat Plate & allied work as necessary

COAL MILL WORK: Readjustment of Throat Gap & if required necessary repairing jobs between Mill Housing & Throat Plate are to be done

COAL MILL WORK: Classifier Blade adjustment

COAL MILL WORK: Replacement of Classifier Blade

COAL MILL WORK: Total set of Throat Plate replace-ment & allied work as necessary

COAL MILL WORK : Replacement of Loading Unit assembly

COAL MILL WORK: Replacement of Loading Cylinder

COAL MILL WORK: Repairing of Walker Seal/Loading cylinder servicing

COAL MILL WORK: Bolt tightening of Mill Housing

COAL MILL WORK: Bolt tightening of Loading Units

COAL MILL WORK : Cleaning of Rejection passage

COAL MILL WORK: Cleaning of Rejection passage along with Scrapper Plate fitting

COAL MILL WORK: Replacement after fabrication of Brush Plough Door

COAL MILL WORK: Repairing / replacement of knife Gate assembly including all associated work

COAL MILL WORK: Repairing / replacement of pyrite Gate assembly including all associated work /SA fan anti vibration pad replacement with associated job

COAL MILL WORK: Thorough repairing & refitting of Gravity Damper assembly

COAL MILL WORK: Replacement of Mill Housing Lin-er

COAL PIPE WORK: Replacement of “Y” piece

COAL PIPE WORK: Replacement of Coal Carrying Pipe (CCP) Bends

COAL PIPE WORK: Replacement of Straight CCP

COAL PIPE WORK: Replacement of NRV after repairing including Hard Facing at corners

COAL PIPE WORK: Fabrication & fitting / replacement of Coal Sampler

COAL PIPE WORK: Dismantling & refitting of John-son’s Coupling (JC) & Sealing rings. Rockwell coupling fitting with seal rings. Eroded portion of straight CCP carrying JC is to be replaced by welding fresh part of CCP.

COAL PIPE WORK: : Coal dust leakage to be stopped by inserting asbestos rope or by tightening the Johnson’s Coupling

COAL PIPE WORK: Coal dust leakage to be stopped by application of Sodium silicate / jute packing with grease on leakage point/Burner cleaning / oil top up

COAL CLEANING WORK: Cleaning of choked Coal Carrying Pipe

COAL CLEANING WORK: Cleaning of Coal Mill inside

COAL CLEANING WORK:Cleaning of Coal Feeder box & if required Coal Bunker is to be iso-lated by operating the gates

COAL CLEANING WORK: Cleaning of choked Feeder to Mill drop pipe & chute/Loading unit servicing

COAL CLEANING WORK:Cleaning of choked Coal Burner Mouth

FOREIGN MATERIAL REMOVAL WORK: Removal of foreign material from inside the Coal Feeder box

FOREIGN MATERIAL REMOVAL WORK: Removal of foreign material from Coal Mill after necessary checking of Mill inside & Ring, Ball measurement to be carried out if required

FOREIGN MATERIAL REMOVAL WORK: Removal of foreign material after necessary checking from rotary throt of modified Mill, if required by gas cutting.

AIR SEAL SYSTEM WORK: Replacement / readjustment of Air Seal system as a whole (upper & lower outer seal)

AIR SEAL SYSTEM WORK: Air Seal pipe cleaning & meas-urement of Bottom Air Seal gap

PATCH REPAIRING WORK: Patch repair in position by re-quired portion of MS plate weld-ing

PATCH REPAIRING WORK:Welding of leakage joints

COAL FEEDER WORK: Through repairing of Coal feeder with all necessary work as per scope of work

COAL FEEDER WORK: Complete removal of Drag Link Chain & refitting the same after thorough repairing of the chain

COAL FEEDER WORK: Bed Height adjustment & if required partial cleaning of coal feeder

COAL FEEDER WORK: Replacement of Scrapper bar & Chain link of Drag link chain of Coal Feeder in situ

COAL FEEDER WORK : Replacement of Conical Chute

COAL FEEDER WORK : Replacement of Drop pipe including fitting of man holes after fab-rication of the same

COAL FEEDER WORK : Feeder chain checking & all pin tacking

COAL FEEDER WORK : Feeder bearing greasing (4 nos.)

COAL FEEDER WORK : Feeder chain tension checking & tightening

COAL FEEDER WORK : Replacement of Duplex chain

ALIGNMENT WORK: Alignment of Coal Mill motor with Mill Gear box. Gear box holding down bolts tightness to be done.

ALIGNMENT WORK: Alignment of Motor with PA Fan. Tightening of Fan bearings are to be done./PA or FD fan bearing replacement work with associated job.

ALIGNMENT WORK: Alignment of Motor with FD Fan. Tightening of Fan bearings are to be done.

ALIGNMENT WORK: Realignment of Hydraulic Cou-pling with Motor & ID Fan includ-ing tightening of Fan bearing bolts

ALIGNMENT WORK: Alignment of Hydraulic Coupling with Motor & ID Fan & if re-quired Hydraulic Coupling is to be shifted / replaced. Tightening of Fan bearing bolts are to be done/Hydraulic coupling servicing

ALIGNMENT WORK: Removal & repositioning of Coal Mill / PA Fan motor

ALIGNMENT WORK: Alignment of Seal Air Fan with Motor

ALIGNMENT WORK: Seal Air Fan bearing replacement with Motor alignment

ALIGNMENT WORK: Mill / PA Fan Coupling replacement with Motor alignment

FAN & DAMPER WORK: Servicing of Gas Damper & if re-quired bearing are to be replaced

FAN & DAMPER WORK: Servicing of Air Damper & if re-quired bearings are to be re-placed/Feeder radicon gear box servicing

FAN & DAMPER WORK: PA / FD Fan RVC adjustment

FAN & DAMPER WORK: Repairing & Hard facing of ID Fan runner as per scope of work. Only Hard facing electrodes will be supplied by WBPDCL.

FAN & DAMPER WORK: Part repairing & Part hard facing of ID Fan runner. Only hard facing electrode will be supplied by WBPDCL. Scope of work is as per enclosed sheet.

FAN & DAMPER WORK: PA Fan Impeller checking

FAN & DAMPER WORK: Seal Air Fan / PA Fan balancing

FAN & DAMPER WORK: ID Fan runner checking & balancing

COAL BURNER WORK: Rotation of PF Impeller regulating rod

COAL BURNER WORK: Replacement after repairing of Coal nozzle, Impeller, Impeller regulating rod, Guard plate, PA liner including hard facing in the following areas with ESAB 600B electrode:

COAL BURNER WORK: Replacement after repairing of Impeller, Impeller regulating rod, Guard plate, PA liner including hard facing like serial no. E/2/b

COAL BURNER WORK: Replacement / rotation of Coal nozzle, Impeller, Impeller regulating rod, PA liner & repairing, hard facing of Guard plate. 75% of the Guard plate is to be hard faced with 3 – 4 mm heights. (Hard facing electrode will be supplied by WBPDCL)

COAL BURNER WORK: Hard facing of Coal nozzle - 60” X 8” X 3 - 4 mm at the flange end (Hard facing electrode will be supplied by WBPDCL and hard facing is to be done as per direction of Control Engineer)

BURNER WORK: Oil burner barrel replacement & associate work

WIND BOX WORK: Part repair of Air Register in situ

OTHER WORK: Greasing of PA Fan / Mill Coupling

OTHER WORK: Attending PA leakage from flange joint between PA Fan & Mill

OTHER WORK: Replacement of Mill Gear box oil after thorough cleaning of Gear box internals & its auxiliaries

OTHER WORK: Seal Air Fan bearing greasing & coupling checking

OTHER WORK: ID / FD / PA / Mill lub oil strainer cleaning

OTHER WORK: Replacement of Radicon Gear box

OTHER WORK: Oil replacement of Hydraulic Coupling & working oil cooler of ID Fan

OTHER WORK: For cooler leakage testing cooling water line isolation & normalisa-tion.

OTHER WORK: Replacement of Air seal & cooling water hose of PA Fan

OTHER WORK: Fabrication & repairing of Feeder Conical chute

PART: B

Minimum Monthly Lumpsum Value including labour charge as per minimum wage rate w.e.f 01.01.2024(09 nos category and 12 nos no category worker), 5 nos supervisor charge, 1 no company's own worker, Safety PPEs, tools, tackles, night allowance, consumables charge, other allowances and benefits as per MOS dtd 04.10.2021 and profit (Part: B is excluded of evaluation of tender)

ASSOCIATE ENGINEERS (BID ID -5838960)

TECHNO ENGINEERING (BID ID -5837726)