Uttarakhand Jal Vidyut Nigam Limited Tender

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Uttarakhand Jal Vidyut Nigam Limited - UJVN Tender

Works
Machinery and Tools
Electrical and Electronics
Electrical Works
Eprocure
Opening Date8 Oct 2024
Closing Date18 Nov 2024
Tender AmountRefer Documents 
Notes
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Costs

Summary

Repair And Maintenance Works Of Unit-2 Machine At Pilangad Shp (2 X 1125 Kw) In District Uttarkashi

Description

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Repair and Maintenance of Top cover:- Removal of damaged crack portion by deep cutting, grinding, welding by using rod SS 309 MO, complete filling of SS metal by SS 309MO welding rod on the labyrinth ring portion or replacement of new labyrinth ring where the runner to labyrinth ring gap 0.6mm to be maintained ( presently it is 1.86mm) as per OEM Drawings, complete machining of welded portion Complete in all respect including all man & material required for proper completion of work.

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BOTTOM COVER:- Dismantling of Bottom Cover, fixing of spare Bottom Cover which shall be provided by UJVNL and testing -complete in all respect including all man & material required

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Repair and Maintenance of Bottom Cover:- Removal of damaged crack portion by deep cutting, grinding, welding by using rod SS 309 MO, complete filling of SS metal by SS 309MO welding rod on the labyrinth ring portion OR Replacement of labyrinth ring with new where the runner to labyrinth ring gap 0.6mm to be maintained ( presently it is 1.86mm) as per OEM Drawings, complete machining of welded portion , testing-complete in all respect including all man & material required for proper completion of work.

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GUIDE VANE ASSEMBLY:- Cleaning, adjustment, replacement of damaged O rings, Proper Setting of all 24 Nos of guide vanes according to the dimension in drawing ,link & lever drilling, tapping , reaming, replacement of damaged dowel pin & circlip, dry testing and operation- complete in all respect including all man and material required for proper completion of work.

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Guide vanes:- Guide vanes (24 nos) repair by welding, grinding & repair of Guide sealing collar of driving and non driving end & machining of collars, complete in all respect including all men, material & all T&P required for proper completion of work.

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CompleteTurbine Shaft:- a)Machining of Shaft trust coller and Guide bearing area ( lining to be removed). Removal of run out at shaft seal area by machining. b) Removal of run out at shaft seal area by machining.

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Shaft Protection Cover:- Complete Repair, machining , drilling and tapping of Shaft protection cover.

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STUFFING BOX:- Complete repairing of stuffing box by welding, grinding and machining of seal seating area for proper function including all man and material required for proper completion of work.

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DE BEARING:- Dismantling of top housing, Bottom Housing and inspection of Bearing thrust pads, counter thrust pads, Guide pads, cleaning, scrapping, Proper fixing, adjustment, blue matching of thrust pad with trust collar and guide pad with turbine shaft, complete in all respect including all man and material required for proper completion of work.

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Box up, Final Testing & Synchronization of Machine: - Complete reassembly of turbine components, leveling and alignment of complete turbine and generator assembly, checking healthiness of all panel related to Unit-II, after checking of all panel testing of machine in all respect & synchronization of machine with grid.

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