Tamil Nadu Generation And Distribution Corporation Limited Tender
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Tamil Nadu Generation And Distribution Corporation Limited - TANGEDCO Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date5 Jan 2024
Closing Date18 Jan 2024
Tender Amount₹ 36,62,558
Costs
EMD
₹ 29,800Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Nctps I Se Mi Circle Amc 24 25 Tm Dn Unit I Ii Iii Routine Maintenance Works On Turbine Lube Oil System
Description
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Contact
Tender Id
2024_EB_406146_1Bid Award Id
ViewTender No
CE SE MI NCTPS I 184 23 24Tender Authority
Tamil Nadu Generation And Distribution Corporation Limited ViewPurchaser Address
-Website
http://https://www.tangedco.gov.in/
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Documents
NCTPS I SE MI circle AMC 24 25 TM Dn Unit I II III Routine maintenance works on turbine lube oil system such as cleaning of leakages oil periodical cleaning of centrifuge system duplex filters main turbine and attending minor breakdown maintenance works
NCTPS I SE MI circle AMC 24 25 TM Dn Unit I II III Routine maintenance works on turbine lube oil system such as cleaning of leakages oil periodical cleaning of centrifuge system duplex filters main turbine and attending minor breakdown maintenance works
BOQ Items
Charges for attending slothful Pilot valves in HPCV-I & II, IPCV-I & II and its damping device during any shutdown/breakdown period by dismantling of the internal spares of pilot valves, cleaning the spares and reassembling the same, including the cost of consumables and hire charges for T&Ps.
12
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Charges for attending slothful Pilot valves in LPBP and its damping device during any shutdown/ breakdown period by dismantling of the internal spares of spoilt valves, cleaning the spares and reassembling the same, including the cost of consumables and hire charges for T&Ps.
12
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-
Charges for attending slothful Pilot valves in CRH NRV, LPBP water injection, test valve of HP & IP stop valve, extraction NRV test valve during any shutdown/ breakdown period by inspection, cleaning the pilot valve and reassembling the same, including the cost of consumables and hire charges for T&Ps.
18
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Charges forcleaning of governing rack plate type filters during any shutdown/breakdown period by draining of oil, inspection, cleaning the filter, renewal of ‘O’ rings and reassembling the same, including the cost of consumables and hire charges for T&Ps.
20
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-
Charges for checking and topping up of N2 gas pressure in accumulators of HPBP system by isolating the accumulator and top up of N2 gas to the required pressure, including the cost of consumables and hire charges for T&Ps.
4
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-
Charges for checking and replacement of defective/ punctured bladder of accumulator in HPBP oil unit by removal of defective bladder from accumulator bottle, pushing bladder into accumulator bottle with intact position, fitting and tightening the securing nut on top of the accumulator, including the cost of consumables and hire charges for T&Ps.
4
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-
Charges for welding joint works for 1” dia pipe by cutting of old damaged parts of high pressure steam line pipes, valves and bends; edge preparation, fitting and re-welding with new/old pipes or new/old valves and fittings by IBR certified welder. This includes the cost of special welding electrodes, filler rods, all kinds of consumables required for the works, including the cost of consumables and hire charges for T&Ps.
150
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Charges for attending defect in jammed electrical operated actuators in steam valves in turbine area by complete dismantling of actuator internals, complete inspection, cleaning of individual components rectification of defects if any and reassembling of all the components, setting limit switch, including of oil drains and topping up, including the cost of consumables and hire charges for T&Ps.
15
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Charges for attending defect in jammed single / three stage angled drain valves by complete dismantling of valve internal components, inspection, cleaning, lapping the valve disc and seating area, replacing of gland packing, sealing rings, bonnet gaskets and reassembling of all the parts in the correct sequence and to ensure the manual operation of valve open and close operation of the valve position, including the cost of gland packings, gaskets, consumables and hire charges for T&Ps.
20
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Charges for replacement of punctured atmospheric relief diaphragm in LP turbine exhaust wood by dismantling the punchered diaphragm form LP Turbine exhaust wood top, reversing the removal flange, rupturing disc, fabricating the lead sheet for required size and assembling the fabricated lead sheet in repture disc with proper position. After replacement of relief diaphragm and ensure no air ingress in to LP turbine exhaust wood, including cost of consumables and hire charges for T&Ps.
2
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Charges for attending defect in MOT Alfa Laval Centrifuge by dismantling the oil pump, inspection, checking of run out in the vertical and horizontal shaft, checking and replacing of all worn out bearings, oil seals, ‘O’ rings, cleaning, including the cost of consumables and hire charges for T&Ps.
3
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Charges for attending defect in the HPBP spray valves BPE & BD Model No. E22S during any shutdown/ breakdown period by decoupling the servo valve actuator, dismantling the valve completely, inspection of valve seat, stem and its internals, lapping the valve seat, stem by using special fixtures, reassembling in sequence and commissioning the valve, including the cost of consumables and hire charges for T&Ps.
2
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Charges for rectification of dislocated defective constant load hanger/ variable Load hanger supports of High pressure steam piping’s during any shutdown/ breakdown period, this work involves providing scaffolding and temporary support to pipe line, cutting, removing of defective hanger support and releasing of cover plate, tie rod, spring and setting spring load with special fixture and re assembling the whole unit and positioning the hanger support and fixing with hook & pipe, aligning of hanger support to its original position and releasing the pipe from temporary support, including the cost of consumables and hire charges for T&Ps.
4
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-
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