Uttarakhand Jal Vidyut Nigam Limited Tender

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Uttarakhand Jal Vidyut Nigam Limited - UJVN Tender

Works
Eprocure
Opening Date31 Jul 2021
Closing Date31 Aug 2021
Tender AmountRefer Documents 
Notes
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Costs

Description

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BOTTOM COVER:- Dismantling, 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 1.86 mm) 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:- a) 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 VANE ASSEMBLY:- b) Replacement of damaged regulating ring bearing balls, proper greasing, proper setting of regulating ring with GV Link & liver assembly and dry testing, complete in all respect including all man and material required for proper completion of work.

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

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Turbine shaft:- Complete removal of ovalty by machining of turbine shaft at shaft seal area to minimise the water leakage and polishing of bearing seating area including all man and material required for proper completion of work.

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DE BEARING:- Rebabitting of 24 Nos of thrust pads & 02 numbers of journal pads, replacement of brass ring & its hardwares. 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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DE BEARING PEDASTAL (BASE FRAME):- Providing additional support and special concreting at DE Bearing base frame area to avoid vibration on bearing complete in all respect including all man and material required for proper completion of work.

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Complete reassembly of turbine components, Levelling and alignment of complete turbine & generator assembly and testing & commissioning of machine.

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BFV-BYPASS SYSTEM:- Complete dismantling/removal of existing damaged bypass system, supply & services work of 2" heavy-duty seamless pipes 6 mm thick, 2" PN-16, CAST IRON high pressure gate valve both end flange type ( Body test pressur26 kg/cm2, seat 17kg/cm2), high pressure elbows, hardwares and complete welding of all items - complete in all respect including all man and material required for proper completion of work.

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COOLING WATER SYSTEM:- Removal of existing damaged pipe tapping 2 nos from penstock, heavy duty pipe line 1 1/2", 5.6mm thick laying (2 nos)up to near duplex filter (up to pressure reducing valve), replacement of high pressure gate valve1 1/2" PN-16, CAST IRON high pressure valve both end flange type ( Body test pressure 26 kg/cm2, seat 17kg/cm2 nos, elbows, complete welding of all items-complete in all respect including all man and material required for proper completion of work.

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OPU:- Complete overhauling of OPU pump, tank cleaning, loading & unloading valve cleaning, pressure switch setting, filter and other misc. works.

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