Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Tender For The Work Of Breakdown Maintenance Of Coal Crushers, Repair/ Rectification, Fabrication, Erection And Strengthening Of Various V/F Trays, Chutes, Screen Plate Of Coal Crusher And Mesh Of Wagon Tippler Along With Overhauling Of Coal Crusher,. Submission Date for this Tender is 21-02-2023. Crushers Breakers and Grinders Tenders in obra Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 26-Jan-2023 | Corrigendum | Other | 01-02-2023 |
| 2 | 03-Feb-2023 | Corrigendum2 | Date | 21-02-2023 |
| Sl. No. | Item Description |
| 1 | The breakdown maintenance work of Coal Crusher of CHP, BTPS, Obra |
| 2 | Replacement of complete set of Ring hammers by new/old & usable |
| 3 | Replacement of damaged/broken ring hammer by old & usable /new ring hammers of the different rows whenever required |
| 4 | Replacement of damaged felt seal lining/asbestos rope of Crusher. |
| 5 | Replacement of inside bearing No. 22244 KC3W33 motor side by new/old & usable |
| 6 | Replacement of damaged ‘O’ ring oil seal/impeller packing. |
| 7 | Replacement of free end bearing |
| 8 | Alignment along with leveling of Crusher with motor |
| 9 | Dismantling & removal of rotor shaft with complete set and shifting up to ground floor |
| 10 | Dismantling of check nut, locking washer, end disc (both side) distance ring, middle disc and both side bearing from Crusher rotor |
| 11 | Assembly of end disc (both side) distance ring, middle disc, locking washer, along with check nut by new/repaired |
| 12 | Mounting and fixing up the rotor shaft in a position along with complete accessories |
| 13 | Work of common chute above rack & pinion gate of Crusher |
| 14 | Replacement of damaged multi disc of fluid coupling FCU 41 by new/old & usable |
| 15 | Replacement of damaged breaker plate by new/repaired: |
| 16 | Replacement of damaged top cover by new/repaired & shifting damaged top cover to scrap yard |
| 17 | Replacement of damaged screen plate by new/repaired one |
| 18 | Replacement of kick-off plate by new/repaired one |
| 19 | Replacement of damaged tramp iron tray By repaired one/fabrication one at site and shifting of scrap |
| 20 | Replacement of damaged back plate by repaired/fabricated one at site: |
| 21 | Positioning of vibrating feeder trayafter setting of rubber pads |
| 22 | Replacement of damaged rubber pads |
| 23 | Replacement of all rubber packing/proper fitting of existing packing of vibrating feeder tray |
| 24 | Repairing of chute to stop leakage from different chutes by providing patch by welding. |
| 25 | Replacement of damaged end cover guard |
| 26 | Checking of both side bearing of crusher & repacking of grease |
| 27 | Repairing/Replacement of fusible plug & Filling of oil of fluid coupling |
| 28 | Repairing of damaged portion of screen plate/kick-off plate/back plate: |
| 29 | Replacement of damaged portion of middle disc/end disc within position to crusher to crusher by proper welding |
| 30 | Replacement of damaged/broken bolt ofScreen plate/kick-off plate/tray below top cover. |
| 31 | Work on individual chute below rack andPinion gate of coal crusher |
| 32 | Replacement of bearing housing (coupling end.) |
| 33 | Replacement of bearing housing (face end) |
| 34 | Replacement of damaged side cover by repaired/fabrication one at side |
| 35 | Removal of any iron/forein material from the screen plate of crusher and shifting up to scrap yard |
| 36 | Overhauling of cooling Water Pump |
| 37 | Replacement of damaged shoo headed bolt of bearing housing |
| 38 | Dismantling of top cover and side cover and fixing up in a position after completion of associated works |
| 39 | Replacement of bottom liners of vibrating feeder tray |
| 40 | Replacement of the damaged coupling bolts of the half flexible coupling of crusher |
| 41 | Replacement of the damaged/broken bolts of breaker plate |
| 42 | Replacement of damaged valve of cooling water line |
| 43 | Replacement of the damaged front chute of conveyor 4A/4B (above common chute of crusher) by fabricated chute at site |
| 44 | Replacement of both half coupling of crusher rotor & fluid coupling |
| 45 | Dismantling & removal of fluid coupling and fixing up in same position after completion of associated work. |
| 46 | Replacement of damaged gate valve by new/repaired one of all connected hoods of dust & separation system |
| 47 | Overhauling of Dust Extraction system Of Coal Crusher |
| 48 | Overhauling of Iron chute after closing main water valve |
| 49 | Replacement of damaged vibrating feeder Tray of Coal Crusher 7C/7D |
| 50 | Repairing of damaged vibrating feeder Tray |
| 51 | Overhauling of Rack & Pinion gate of Coal Crusher 7C/7D, 7A/7B |
| 52 | Fabrication of Breaker plate |
| 53 | Fabrication of Iron Tray |
| 54 | Fabrication of kick off plate |
| 55 | Replacement of side Chute of Coal Crusher common hopper Chute |
| 56 | Fabrication of top cover of crusher |
| 57 | Repairing/Replacement of all window of all crusher (16 Windows) |
| 58 | Overhauling of mechanical system of electric hoist of crusher house (repairing drum greasing rope & bearing) |
| 59 | Strengthening/Repairing of crusher body (side & foundation.) |
| 60 | The work of Fabrication/ Replacement/ Repairing & Strengthening of feeder floor and common gate floor of damaged Platforms of V.F. 1A/B of Coal Handling Plant, BTPS of Obra Thermal Power Project |
| 61 | The work of Fabrication/Replacement/Repairing & Strengthening of feeder floor and common gate floor of damaged Platforms of V.F. 1A/B of Coal Handling Plant, BTPS of Obra Thermal Power Project |
| 62 | Fabrication/Strengthening of Iron Hopper Chute, chute below V.F. 1A/B 2A/B of CHP, BTPS |
| 63 | Fabrication/Repairing & strengthening work of iron chute pipe, hopper chute of Conveyor 4A/4B and chute below V.F. 1A/1B & 2A/2B of CHP, BTPS |
| 64 | The work of Fabrication of screen plate for Coal Crusher and Fabrication/Installation of mesh of Wagon Tipplers of CHP, BTPS, Obra |
| 65 | Fabrication & Installation of mesh of wagon tipplers |
| 66 | Fabrication of screen plate for coal crusher from 32/25mm thick M.S. plate of screen size 50mm as per sample. (01 Set = 02 Nos.) |
| 67 | The work of Dismantling, Fabrication, Strengthening and Erection of chute, Vibrating Feeder (VF) Tray and Base of manual hopper 18A/18B of CHP, BTPS |
| 68 | Dismantling of Chute, damaged part of VF Tray and Base |
| 69 | Fabrication and Strengthening of Chute, VF Tray and Base |
| 70 | Erection of Chute, VF Tray and Base |
| 71 | Fabrication/Replacement of damaged chutes of all the four numbers Coal Crushers from Common Chute Hopper up to V/F Tray CHP, BTPS |
| 72 | Fabrication/Replacement of damaged chutes of all the four numbers Coal Crushers from Common Chute Hopper up to V/F Tray CHP, BTPS |
| 73 | Work of Routine and Breakdown mechanical maintenance of Coal crusher of Coal Handling Plant ‘A’, of CHD-III, BTPS of Obra Thermal Project, Obra. |
| 74 | 11Replacement of complete set ofhammers (99Nos.) by new/old & usable |
| 75 | Replacement of damaged/broken hammer by old & usable /new hammers of the different rows whenever required |
| 76 | Replacement of damaged felt seal lining/asbestos /packing rope of crusher |
| 77 | Replacement of inside bearing motor side by new/old & usable |
| 78 | Replacement of free end bearing |
| 79 | Alignment along with leveling of Crusher with motor |
| 80 | Replacement of damaged screen plate by new/repaired one |
| 81 | Minor Repairing of chute/ducts to stop leakage from different chutes /ducts by providing patch by welding. |
| 82 | Checking of both drive and non-driveside bearing of crusher & repacking of grease: |
| 83 | Minor Repairing& matching gap of white metal bearing by way of cutting/grinding& Filling oil if required |
| 84 | Repairing of damaged portion of screen plate/casing bar /back plate/ Crusher bar |
| 85 | Replacement of damaged/broken bolt of Screen plate/kick-off plate/casing bar/tray below top cover /coupling/ bearing housing /all other broken bolts |
| 86 | Open and dismantle the pedestal from foundation and Replacement of brokenbrass oil ring /white metal pedestal bearing |
| 87 | Removal of any iron/foreign material from the screen plate of crusher and shifting up to scrap yard: |
| 88 | Dismantling of top cover and side cover and fixing up in a position after completion of associated works |
| 89 | Replacement of the damaged/broken bolts of breaker plate/casing bar. |
| 90 | Fabrication of casing/ crusher bar |
| 91 | Fabrication of top cover of crusher |
| 92 | Strengthening/Repairing of crusher body (side & foundation.) |
| 93 | Minor work |
| 94 | Air gap checking and adjustment as per air gap required |
| 95 | Dismantle & coupled ,Matching ofboth side Babbitt white metal bearing of crusher motor ,alignment of motor with crusher rotor and adjust air gap and complete associated work to completion this job |
| 96 | Grease gun overhauling & replacement of worn-out part of gun |
| 97 | To replacement and shifting of crusher rotor and foundation from Zero meter/site and its leveling |
| 98 | Couplingand decoupling motor and crusher |
| 99 | To Dismantle and removing the top duct and re erect the same |
| 100 | The work of overhauling of Coal Crushers 7A, 7B, 7C & 7D, W/T No. 1, 2, 3 & 4 and New/Old S/R of Coal Handling Plant, ‘B’TPS of Obra Thermal Project, Obra |
| 101 | Overhauling of coal crusher 7A/7B/7C/7D. |
| 102 | Overhauling of Rota side Wagon Tippler No. 2 and 3 of CHP, BTPS, Obra |
| 103 | Overhauling of new Stacker/Re-claimer of CHP, ‘B’TPS |
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