Annual Maintenance shut-down of wheel shop equipments for 2026-27 (Maintenance WFPS)-Group-8.

A-Rim quencher 1 to 6 (Rates are inclusive of GST)

. Removal of gravity rollers from rim quencher 1 to 6, removal of Pneumatic cylinders & accessories i.e, manipulator, centering & hood. -6 unit 2. Removal of actuator ball valve, water hose, water ring, gearbox, sprocket, chain, hood & Manipulator assembly. -6 unit 3. Removal of water pipelines (inlet & outlet), Water pump & Air pipelines.- 06 unit 4. Repair / replacement of damaged structures like channels & angles, replacement of defective bearings, bushes, pins for Rim quencher 1, 2 & 3. -3 unit 5. Fabrication & replacement of complete structure with new bearings, bushes, pins for Rim quencher- 4, 5 & 6. -03 unit 6. Replacement of new manipulator assembly with new bearings shafts & pins. -6 unit 7. Replacement of serviced/new pneumatic cylinders for 1 manipulator, hood and centering arms with accessories. -24 Nos 8. Repair/Replacement of hood, bearings, shaft, counter weight, 'V' Groove pulley & wire rope. -6 unit 9. Rerouting of pipe line of water inlet by providing 3" stainless steel pipe infront of RT-1 turn table and connecting to existing 6" SS pipe. Replacement of damaged, water filters, gate valves & outlet with 1½" pipe for all supply lines.- 6 unit 10. Repair/Replacement of defective centering arm structural supports, bushes, centering rollers and roller bolts. -6 unit 11. Replacement of damaged 3" water inlet pipe and 3" water outlet pipe , water filters,booster tanks, gate valves & outlet with 1½" pipe for all supply lines. -6 unit 12. Replacement of Serviced/New water booster pumps of all quenchers and connect with outlet water pipeline. -6 unit 13. Replacement of gravity conveyor rollers, bearings & shaft from rim quencher 1 to 6. -6 unit 14. Paint with one coat of red oxide and Two coats of apple green paint. -6 Nos 15. Shifting of all removed scrap material to earmarked area. -5 MT (Appx)

B-Normalising furnace - Mechanical work (Rates are inclusive of GST)

1. Repair / replacement of charging, discharging & inspection door castings.-11 Unit 2. Replacement of doors guide ways and pins, chain pulleys, Bearings, 12 or 14 mm hot calibrated chain or 14 mm wire rope for charge & discharge doors. -02 Unit 3. Replacement of Charging & Discharging door hydraulic cylinders.- 02 Unit 4. Replacement of charging and discharging machine trolley wheel assembly along with bearings. -04 Unit 5. Repair / Replacement of rack, pinion & drive assembly of Charging & discharging machine.- 02 Unit 6. Repair / Replacement of Charge / Discharge machine fork plier lift hydraulic cylinders, hoses, cable/hose trolley wire ropes & fittings etc., (02 Set) and repair of lift guide ways & guide rollers. -02 Unit 7.. Inspection & Repair /Replacement of damaged inner and outer floating rings. -96 Nos 8. Repair / Replacement of V- Groove pulleys, bearings of Combustion blower assembly (02 Nos) & ID Fan 100 HP - 01 blowers). Balancing of all blowers of combustion & ID fan. -11 Nos 9. Cleaning of impeller, structure inspection 1 / welding etc. for Dilution & Nose cooling blower- 04 Nos. Dynamic balancing of all the impellers.- 04 Nos. 10. Repair / Replacement of hearth drive Plummer blocks, bearings, pinion, Pinion shaft, Brake & Clutch assembly Etc. -02 Unit 11. Replacement of damaged racks, all rack bolts and wedges at inner & outer tracks.- 111 Nos 12. Inspect & repair /Replacement of defective inner, outer hearth support roller assembly. -96 Nos 13. Inspect & repair /Replacement of defective centring roller assembly with bracket. 12 Nos 14 Repair of flue duct wall castings & duct.- 01 Unit 15. Repair of Hearth structure wherever damaged. -01 Unit 16. Replacement of damaged bottom periphery wall support castings. -Approx 25 Nos 17. Inspection, Repair & replacement of damaged inner and outer water trough and alignment. -128 Nos 18. Removal of all dipper plates , cleaning of water trough (Inner & Outer), fabrication & fitment of new dipper plates & arresting of water leakage. -128 Nos 19. Fabrication & replacement of Flue duct damper door, connect with wire rope & Pulleys. Check for smooth movement. -01 Unit 20. Dismantling and removal of existing Recuparator from the flue duct & combustion ducting line, lowering with the help of chain pulley blocks and shifting to earmarked place. Repair damaged pipelines and replace after checking leakages & apply one coat of aluminum paint. Lift with the help of chain pulley blocks, positioning and bolting in its original position connecting back combustion ducting lines.- 01 Unit 21. Shifting of all removed scrap to earmarked area -10 MT 22. Clean entire furnace & Painting of furnace with one coat of aluminium paint. -01 Unit 23. Testing & trial run of the machine with wheels- 01 Unit 24. Supervisory charges

C-Normalising furnace - Refractory work (Rates are inclusive of GST)

1. Arrangement of pedestal fans and focus lamps for the repairs. (06 Fans & 10 Focus Lamps)- 6 + 10 Nos 2. Shifting of required refractory and other materials to the work spot/into the hearth. -15 MT 3. Inspection of all burners. Replacement of damaged burners, Burner blocks with new burners and replacement of combustion air flexible hoses, PNG hoses and pasting of blanket around burners.- 50 Nos 4. Chipping & removal of damaged refectory castables from damaged 1 portion of the hearth & refilling of a fresh refractory castables. -4 MT (Approx) 5. Inspection & Replacement of inner, outer & edge bricks of hearth, damaged Burner block guards & attending the damaged inspection, charging & discharging door arch bricks -05 MT (Approx) 6. Repair of Flue collector box & uptake refractory lining. -02 MT (Approx) 7. Inspect , repair Nose refractory with bricks & cerwool blankets & modules. -01 MT (Approx) 8. Complete removal of Pedestals , make proper pit to accommodate new pedestals. Fixing of new pedestal & aligning with respect to charging & discharging machine fork centring positions for loading & unloading of wheels.- 96 Nos 9. Shifting of all removed scrap to earmarked area -15 MT (Approx) 10. Supervisory charges

D-HW-22 Lift (Rates are inclusive of GST)

1. Removal of all the chains of CDLR rollers- 36 Sets 2. Gas cut and remove the existing CDLR conveyor hex holes channels with rolllers and jack shaft assembly -02 units 3. Repair/ replacement of worn out/ damaged channels and angles of carriage lift structure -01 unit 4. Cutting 1 of 1" size Hexagonal rods to size. End ground & 4 mm drill holes on both sides for locking purpose. - 36 nos 5. Welding of 1" A- type sprockets 2 nos to be tack welded on each 7 Roller at required place & assemble with bearings, hex shaft & end shields on conveyor.- 36 Nos 6. Assembly of beaings on both ends rollers and fitment of heagonal rod into the roller. -36 Nos 7. Fabricate CDLR conveyors structure by assembling 200 mm hex hole channels & 125 X 75 mm hex hole un-equal angles and rollers. Holes on channel and angle shall be exactly parallel to one another.- 02 units 8. Installation CDLR conveyors structure on the base frame of the carriage lift and full welding. -02 units 9. 1" pitch roller chain to be cut to required sizes & fix it on roller assembly. -36 Nos 10. Fabricate a CDLR gearbox mounting frame at CDLR conveyor top. -01 unit 11. Fabricate a CDLR jack shaft mounting frame & weld with conveyor frame & align with gearbox mounting frame. -01 unit 12. Assembly of jackshaft with 1" pitch sprockets and bearings.- 01 unit 13. Assembly of gearbox with 1" pitch sprocket & connect the chain. Align the gear box sprocket with jackshaft sprockets & lock it properly. Provide chain guards for CDLR conveyor and Gearbox. -01 unit 14. Remove lift duplex chain & lock with rope.- 01 unit 15. Servicing/ replacement of the lift chain sprocket, mounting shafts with bearings. -02 units 16. Replacement of the lift cylinder with serviced/new cylinder- 01 unit 17. Connect back the duplex chain to the lift cylinder & align with gravity conveyors & lock it. 18. Remove the guide rollers with mounting brackets of the lift carriage -04 units 19. Fabrication of the guide roller mounting brackets as per the existing one and replacethe old. Fitment of the cam rollers on the brackets and align with wear plates provided on the lift main frame structure. -04 units 20. Check & fill gearbox oil to Reduction gear box & Lubricate chains with lubricant oil. -01 unit 21. Painting of the conveyor with one coat of Red oxide and two coats of Apple green paint.- 01 unit 22. Test running the conveyor with loading & unloading of hot wheels and handing over to production. - 01 unit 23. Supervisory charges

E-HW-24 Lowerator (Rates are inclusive of GST)

1. Removal of all the chains of CDLR rollers- 36 Sets 2. Gas cut and remove the existing CDLR conveyor hex holes channels with rolllers and jack shaft assembly -02 units 3. Repair/ replacement of worn out/ damaged channels and angles of carriage lift structure -01 unit 4. Gas cut and remove the bottom base frame of the lowerator carriage structure -01 unit 5. Fabrication of the bottom base frame of the lowerator carriage structure as mper the existing structure -01 unit 6. Fitment of the newly fabricated bottom base frame of the lowerator carriage structure as mper the existing structure and full welding -01 unit 7. Cutting of 1" size Hexagonal rods to size. End ground & 4 mm drill holes on both sides for locking purpose. -36 nos 8. Welding of 1" A- type sprockets 2 nos to be tack welded on each 7 Roller at required place & assemble with bearings, hex shaft & end shields on conveyor. -36 Nos 9. Assembly of beaings on both ends rollers and fitment of heagonal rod into the roller. -36 Nos 10. Fabricate CDLR conveyors structure by assembling 200 mm hex hole channels & 125 X 75 mm hex hole un-equal angles and rollers. Holes on channel and angle shall be exactly parallel to one another. -02 units 11. Installation CDLR conveyors structure on the base 1 frame of the carriage lift and full welding.- 02 units 12. 1" pitch roller chain to be cut to required sizes & fix it on roller assembly. -36 Nos 13. Fabricate a CDLR gearbox mounting frame at CDLR conveyor top.- 01 unit 14. Fabricate a CDLR jack shaft mounting frame & weld with conveyor frame & align with gearbox mounting frame. -01 unit 15. Assembly of jackshaft with 1" pitch sprockets and bearings.- 01 unit 16. Assembly of gearbox with 1" pitch sprocket & connect the chain. Align the gear box sprocket with jackshaft sprockets & lock it properly. Provide chain guards for CDLR conveyor and Gearbox. -01 unit 17. Remove lift duplex chain & lock with rope. -01 unit 18. Servicing/ replacement of the lift chain sprocket, mounting shafts with bearings. 02 units 19 Replacement of the lift cylinder with serviced/new cylinder -01 unit 20. Connect back the duplex chain to the lift cylinder & align with gravity conveyors & lock it. 21. Remove the guide rollers with mounting brackets of the lift carriage -04 units 22. Fabrication of the guide roller mounting brackets as per the existing one and replacethe old. Fitment of the cam rollers on the brackets and align with wear plates provided on the lift main frame structure. -04 units 23. Check & fill gearbox oil to Reduction gear box & Lubricate chains with lubricant oil. -01 unit 24. Painting of the conveyor with one coat of Red oxide and two coats of Apple green paint. -01 unit 25. Test running the conveyor with loading & unloading of hot wheels and handing over to production. -01 unit 26. Supervisory charges

F-HW-23 Gravity conveyor (Rates are inclusive of GST)

1. Gas cut and remove the existing gravity conveyor hex hole channels and angles with rolllers and escapement assembly -02 units 2. Repair/ replacement of worn out/ damaged structures of the gravity conveyor -01 unit 3. Cutting of 1" size Hexagonal rods to size. End ground & 4 mm drill holes on both sides for locking purpose. -94 Nos 4. Assembly of beaings on both ends rollers and fitment of heagonal rod into the roller. -94 Nos 5. Fabricate CDLR conveyors structure by assembling 200 mm hex hole channels & 125 X 75 mm hex hole un-equal angles and rollers. Holes 1 on channel and angle shall be exactly parallel to one another. -02 units 6. Installation gravity conveyor structure on the base frame of the gravity conveyor structure and full welding. -02 units 7. Fabrication of escapement stopper assembly as per the existing one available in HW-23 & NW-1A gravity conveyors. -02 unit 8.Fabrication of the escapement shaft assembly by assembling escapement stopper, cylinder arm, brearings on to the shaft -01 unit 9. Fitment of the escapement shaft assembly on the HW-23 gravity conveyors -01 unit 10. Fitment of the escapement shaft assembly on the HNW-1A gravity conveyors -01 unit 11. Fabrication and fitment of the escapement cylinder mounting base on the gravity conveyor structure in HW-23 -01 unit 12. Fabrication and fitment of the escapement cylinder mounting base on the gravity conveyor structure in NW-1A- 01 unit 13. Fitment of serviced/ new cylinder on the mounting base and connect it to the escapement arm in HW-23 & NW-1A -02 units 14. Painting of the conveyor with one coat of Red oxide and two coats of Apple green paint. -01 unit 15. Test running the conveyor with loading & unloading of hot wheels and handing over to production.- 01 unit 16. Supervisory charges

G-Fabrication & replacement of Dust collector of Old Peening machine

1. Removal of the complete dust collector unit of the peening machine-1 -01 unit 2. Gas cutting and reoval of all the ducts of the dust collector form peening machine - 1 to filter b ag housing -04 units 3. Marking, cutting of angles, plates, and channels, and fabrication of the dust collector supporting structure. -01 unit 4. Marking, cutting of plates, rolling and fabrication of dust collector duct pipeline (300 mm diameter) and pulsing system. -01 unit 5. Marking, cutting and bending of plates, channels and fabrication of the suction blower casing. -02 units 6. Assembly of suction blowers similar to the suction blower of the cope cleaner dust collector.- 02 units 7. Marking, cutting and drilling of plates, channels and angles for the fabrication of motor mountings of the dust collector system. -02 units 8. Fabrication of the blower drive motor mounting frame with provision for belt tensioning.- 02 units 9. Marking, cutting, and fabrication of dampers of suitable size.- 08 Nos 10. Marking, cutting, fabrication of angles, plates for the dust collector bag house and hopper (Capacity: 56 filter bags), and clean air chamber, similar to the CMC 1A dust collector. -01 No 11. Fabrication of the filter bag house to accommodate 56 filter bags, similar to the dust collector of CMC 1A. -01 unit 12. Fabrication of the hopper and clean air chamber, similar to the CMC1 A dust collector. -01 unit 1 13. Marking, cutting of 12 mm thick plates and fabrication of 'I' beams for vertical and horizontal supports for mounting the filter bag house and suction blower, along with a working platform. -04 units 14. Installation of vertical and horizontal supports for mounting the filter bag house, suction blower, and working platform. -04 units 15. Fitment of the filter bag house, hopper, clean air chamber, and suction blower on the vertical fabricated supports, similar to CMC 1A dust collector. 16. Marking, cutting, and provision of plates over the fabricated platform. -01 unit 17. Provision of stair case with hand railings to reach the working platform. -01 unit 18. Fabrication of flanges for the ducts and connection of ducts from the blasting chamber, Filter bag house and from the bag house to the suction blower. -01 unit 19. Fabrication of flanges and connection of ducts from the separator assembly casing of the cleaning machine and main duct line. -03 units 20. Fitment of suction blower with stand by arrangement with necessary dampers.- 02 units 21. Fitment of suction blower drive motors on the mounting frames. -02 units 22. Fitment of drive pulleys and connection of drive belts.- 02 units 23. Fitment of pulsing valves along with pneumatic lines. 08 units 24. Installation of complete dust collector assembly, including the bag filter bag house, filter bags with cages, duct pipeline, rotary feeder, gearbox, chute, etc. 25. Surface preparation and painting of the entire fabricated structure with one coat of primer and two coats of apple green paint. 01 unit 26. Check for smooth functioning of the dust collection system.