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| # | Company | Status |
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| 1 | Admitted-Finance | Admitted-Finance |
| 2 | Admitted-Finance | Admitted-Finance |
| 3 | Admitted-Finance | Admitted-Finance |
Tender Value
₹27.9 L
EMD Value
₹56,000
Closing Date
28 Aug 2021, 6:00 pmClosed
SE-IV, BTPS, Obra.
Office of SE-IV BTPS, Obra.
Preventive and Breakdown maintenance of Power Transformers and Generator auxiliaries installed in 5X200MW BTPS Obra
2021_RVUNL_608499_1
04/OMC-IV/EMD-I/BTPS/2021-22
Open Tender
Electrical Works
Fixed-rate
365 days
BTPS, Obra
As Per PQC.
3 documents required · 3 mandatory
₹2,360
Deputy Chief Account Officer CFA and BO, BTPS
₹56,000
3 Sept 2021
3 Aug 2021
30 Aug 2021
3 Aug 2021
28 Aug 2021
3 Aug 2021
3 Aug 2021 - 28 Aug 2021
Amount
Preventive and Breakdown maintenance of power & service transformers installed in 5X200MW, BTPS, Obra.
Pre overhauling, centrifuging activities.
O/H & Centrifuging of 250/240MVA 420/ 15.75KV GTs or 400/220/33kV ICTs.
O/H and centrifuging of 15MVA,15.75/6.9KV UATs.
O/H and internal inspection of OLTC of UAT, complete dismantling and reassembly.
O/H & centrifuging of 1.6MVA,6.6/0.4KV Service transformer.
Painting of 1.6MVA,6.9/0.4KV service transformer complete with radiator, conservator with one coat red oxide metal and two coat spray painting with smoke grey color acolyte enamel paint after thoroughly cleaning the surface of the equipments to be done as per procedure.(Approx. area of each transformer 175 square mtr.).
Pre centrifuging activities like shifting of C/F machine, hose pipe, power supply boards, filled & empty drums.
Centrifuging of 50MVAR, 400KV shunt reactor and attending oil leakage. ( Approx. 40 KL oil capacity).
Pre centrifuging activities like shifting of C/F machine, hose pipe, power supply boards, filled & empty drums.
Centrifuging of 30MVA Station transformer with OLTC.
Following works are to be carried out during preventive maintenance of GT, UAT,1.6MVA,6.9/0.4KV service transformer (UST, ESP, SST, WTP, AHP, CHP transformers),15.75KV bus duct outside T. G. hall & cleaning of various power transformers.
Preventive maintenance of GT, UATs, 15.75KV bus duct outside T.G.hall.
Replacement of all the 3 phases LV bushing gasket of UATs.
Replacement of HV bushing oil seals of UATs.
Replacement of LV bushing oil seals of service transformers (UST,SST,ESP,AHP,WTP and CHP transformers).
Cleaning of following power transformer with help of water jet, mild detergent and old clothes for removing the oil and dust scales accumulated on transformer tank, its cooling banks, oil pipe lines, conservator etc and arresting oil leakage
250/240MVA,15.75/420KV GT (4x4 times).
315/240MVA, 400/220/33KV ICT (3x3 times).
1.6MVA, 6.9/0.4KV service transformer (UST, ESP, SST, CHP, AHP, WTP & stacker reclaimer transformer)(25x2 times).
50MVAR shunt reactor & NGR (2x1 times).
30MVA, 220KV/6.9KV station transformer (2x4 times).
15MVA, 15.75/6.9KV UAT (8x4 times).
Preventive and Breakdown maintenance work in 15.75KV Bus duct, NGR and Stator water system installed in 5x200MW BTPS, Obra.
Preventive maintenance of expansion tank and its gauge glass.
Checking & attending abnormal H2 gas leakage in 5x200MW Generators and its associated piping’s and H2 gas coolers.
Preventive maintenance of 15.75KV bus duct inside T.G. hall.
Changing excitation polarity in all 5x200MW units.
Preventive maintenance of slip ring carbon brushes, brush holder, neutral grounding transformer and reactor in 5x200MW units.
Dismantling and replacement of brush rocker assembly of slip ring for testing of rotor and remounting.
Preventive maintenance of earthing transformer and neutral grounding reactors of 5X200MW Units.
Isolation of 15.75KV bus duct outside T.G. Hall from man hole near A-Axis wall for identification of stator E/F.
Preventive maintenance of seal oil filters, stator water filter, damper tank, hydraulic seal oil tank, ILI, expansion tank H2 & CO2 gas manifolds, H2 and seal oil pipe lines & valves,H2 gas driers etc.
Attending leakage of oil from AC/DC seal oil pumps including replacement of seal if required.
Preventive maintenance and greasing of bearings in A.C. seal oil pump in 5x200MW units.
Preventive maintenance & hydraulic testing of H2 gas coolers.
Preventive maintenance and hydraulic testing of seal oil coolers in 5x200MW units.
Decoupling, removal, remounting alignment and coupling of AC/DC seal oil pumps.
Preventive /Cleaning work of 15.75 KV duct at 4 meter.
Preventive and Breakdown maintenance work of GT cooling control cabinets, UAT Control cabinets, PT cubicles, stator water Panel, seal oil Panel and Generator relay panels installed in 5X200MW, BTPS, Obra.
Preventive maintenance of GT cooling control cabinet, UAT-A & B, MB etc.
Preventive maintenance of PT cubical.
Preventive maintenance of stator water panel.
Preventive maintenance of seal oil panel.
Preventive maintenance of Generator relay panel.
M/S ACCURATE ENGINEERING
M/S SCINTECS PROCESS CONTROL
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