Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Major Maintenance, Repairing And Overhauling Works Of Primary And Secondary Crushers And Vibrating Screen In Chp, Atps, Anpara. Submission Date for this Tender is 27-06-2022. Crushers Breakers and Grinders Tenders in anpara Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Major maintenance and repairing works of Primary and Secondary crushers installed in CHP (A) PRIMARY CRUSHER (04 Nos.)TRF MAKE (ROTARY BEAKER ) |
| 2 | Balancing of Rotor of primary crusher OR Removal of jamming of bearing of Guide Rollers |
| 3 | Removal of jamming of bearing of supporting Rollers. |
| 4 | Replacement of damaged bearing of supporting Rollers. OR Replacement of damaged supporting rollers by new one/ taken out from other crusher |
| 5 | Replacement of damaged oil seal of guide rollers. |
| 6 | Replacement of damaged / worn out guide roller assembly by new one/ taken out from other primary crusher |
| 7 | Replacement of damaged Plummer block of supporting Roller |
| 8 | Tightening / loosening of the drive chain |
| 9 | Replacement of damaged chain link |
| 10 | Repairing of chain link |
| 11 | Replacement of complete drive chain |
| 12 | Repairing of damaged teeth of drive/ driven sprocket by welding & grinding in position |
| 13 | Replacement of damaged Sealing rubber liner |
| 14 | Replacement of drive sprocket |
| 15 | Replacement of driven sprocket |
| 16 | Checking & Re-alignment of Rotor Assembly of Primary crusher |
| 17 | Re-adjustment of angle of deflector OR Torque Setting of bolt & nut for fixing driven sprocket to feed end spider (12 Nos.) with a torque of 50-60 Kg-M. |
| 18 | Replacement / re-fixing of detached deflector |
| 19 | Re-adjustment of angle of lifting shelve |
| 20 | Repairing of perforated screen plate by welding & grinding the worn out portion |
| 21 | Replacement of Perforated screen plate |
| 22 | Torque Setting of bolt & Nut for fixing of lifiting shelves & screen plate to beam with a torque of 70-80 Kg-M. |
| 23 | Torque Setting of bolt & nut for refuse plough to screen & blank plate (10 Nos. ) with a torque of 70-80 Kg-M. |
| 24 | Torque Setting of bolt & nut of deflector & screen plate to beam (36 Nos. ) with a torque of 70-80 Kg-m. |
| 25 | Torque Setting of bolt & nut for spider to beam (64 Nos.) with a torque of 140-160 Kg-m. OR Torque Setting of bolt & nut of foundation & crusher housing. OR Repairing of distorted inspection doors of primary crusher by heating, welding & straightening etc. |
| 26 | Torque Setting of bolt & nut of screen plate to beam. |
| 27 | Torque Setting of bolt & nut for fixing Plummer block with a torque of 34-45 Kg. M. OR Torque Setting of bolt & nut for fixing guide roller support to roller supporting structure (21 Nos.) with a torque of 15-20 Kg. M. |
| 28 | Repairing / Re-fixing of refuse plough |
| 29 | Checking of tightness of check nut of bearing of supporting Roller after taking out supporting roller from its foundation & refitting in position. |
| 30 | Re-adjustment of float of rotor assembly of primary crusher |
| 31 | Removal of vibration by strengthening the foundation. |
| 32 | Major maintenance and repairing works of Primary and Secondary crushers installed in CHP (B) SECONDARY CRUSHER (RING GRANULATORS) |
| 33 | Replacement of complete set of ring hammers (78 Nos.) by new / useable old hammer OR Repairing of damaged & wornout breaker plate by cutting, grinding & welding etc. |
| 34 | Replacement of damaged/ broken ring hammer by new / useable old hammers of each now. |
| 35 | Alignment of Crusher only |
| 36 | Replacement of damaged breaker plate by new / repaired one |
| 37 | Replacement of drive side bearing or withdrawal sleeve of crusher |
| 38 | Replacement of non drive side (free end side) bearing or withdrawal sleeve of crusher |
| 39 | Repairing of damaged tramp iron tray by heating, straightening & welding etc. after dismantling & re-fixing the same in position after repairing. |
| 40 | Repairing of damaged / worn out centre disc by welding, grinding etc. OR Repairing of damaged / distorted inspection door of secondary crusher |
| 41 | Repairing of damaged straight cage side piece by straightening, welding & grinding etc. |
| 42 | Replacement / Re-fixing of straight cage side piece |
| 43 | Torque Setting of foundation bolts of secondary crusher & its other fasteners. |
| 44 | Attending leakage of oil/grease from bearing of secondary crusher by replacing gasket etc. |
| 45 | Rectification of overheating of bearing of crusher |
| 46 | Repairing of end disc by welding grinding etc. OR Repairing / replacement of liner plates of secondary crusher |
| 47 | Replacement of damaged / worn-out plumber block (bearing housing) of secondary crusher. |
| 48 | Elimination of vibration of secondary crusher by removing all its hammers & rebalancing of rotor |
| 49 | Replacement of damaged coupling pads of voith make fluid coupling of crusher |
| 50 | Replacement of defective fluid coupling of crusher |
| 51 | Replacement of defective oil seal of fluid coupling after removal of motor and fluid coupling from its position & normalisation of system. |
| 52 | Repairing of damaged Tie Beams of Primary crushers and replacement with new repaired tie Beams installedin CHP, ATPS |
| 53 | Repairing of damaged Tie Beams of Primary Crusher installed in CHP, 3x210MW, ATPS, Anpara as per scope of work. |
| 54 | Replacement of Tie Beams of Primary crusher as per scope of work. |
| 55 | Work of overhauling of Primary and Secondary Crushers installed in CHP, ATPS |
| 56 | Overhauling of Secondary crusher as per scope of work |
| 57 | Overhauling of Primary Crusher as per scope of work |
| 58 | Work of Overhauling of Vibrating Screens installed in CHP, ATPS |
| 59 | Complete dismantling of Vibrating Screen, repairing/ Replacement of its worn out, damaged parts and thereafter complete re-assembly as per scope of work of CHP, 3x210MW, ATPS Anapara |
| 60 | Fabrication of side plate of vibrating screen with liners with provision for fitment of left and right hand bearing housing. |
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