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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹20.1 LAccepted-AOC 56 ARUNACHALAM MAIN ROAD AMBAL NAGAR PORUR CHENNAI TAMIL NADU 600116 | THIRUVALLUR | TAMIL NADU | 600116 | L1 | Accepted-AOC L1 bidder | |
| 2 | L2₹20.4 L+₹32,000 (1.59%)Rejected-Finance 16 12A SWAMIJI ROAD NEAR SABUJ SANGHA KOLKATA WEST BENGAL 700060 | KOLKATA | WEST BENGAL | 700060 | L2 | Rejected-Finance L2 bidder | |
| 3 | L3₹21.9 L+₹1.8 L (9.12%)Rejected-Finance | L3 | Rejected-Finance L3 bidder |
Tender Value
Refer Docs
EMD Value
₹48,100
Closing Date
12 Aug 2022, 12:00 pmClosed
The GM Power and Project
Office of the GM Power and Project
Rectification and Oil filtration of Unit8 transformers GT, UAT and ST
2022_DPL_389525_1
WBDPL/PP/T/GM(PP) 75/2022/E/80
Open Tender
Miscellaneous Works
Item Rate
365 days
Office of the GM Power and Project
Please refer Tender documents.
5 documents required · 5 mandatory
₹0
₹48,100
Office of the GM Power and Project
22 Dec 2022
11 Jul 2022
17 Aug 2022
11 Jul 2022
12 Aug 2022
15 Jul 2022
14 Jul 2022
Amount
315 MVA,235/16.5KV BHEL make GT#8, Line Current(HV): 774.81A, Line Current(LV): 11035.21A, Oil Qty(Ltr): 63860, Connection Symbol: YNd1,Serial No:6007105
Isolation of GT#8 from both end LV & HV terminal with necessary dismantling and removing of Dropper Moose Conductor & Flexible Connector as required.
Necessary jobs to facilitate the testing work of Transformer alongwith bushing before O/H and after O/H by testing department.
Disconnection of oil lines to conservator tank, radiator side equilizer line from main Tank. Blanking work prior to oil draing at reasonable level. All blanking plates should be arranged by the party. Proper storage of the drain oil in proper storage tank for further use. After completion of job, re-assembling is also included in the scope.
Dismantling of existing HV Bushing and Erection & commissioning of new HV Bushing on base turret by proper procedure.This job also include requisite o-ring & gasket replacement of bushing housing as well as Turret Flange.New HV Bushing Testing assistance to be provided prior to replacement job. Arrangement of necessary scaffolding work & oil level lowering at requisite level with supply & charging of dry air/N2 gas (if required) is under the scope of the party.
Supply and Change of O-ring & Gaskets of LV Bushing including Turret Flange. Brand & material of O-ring & Gaskets shall be approved by EIC
Supply and Change of other gasket such as HV Neutral bushing, Inspection Chamber gaskets,WTI,OTI Gasket, Buchholz Relay & OSR gasket, PRD Gaskets, other flange gaskets.Checking of aircell, level gauge glass & MOG. Arresting of all oil leakage points in radiator & conservator section including replacement of gaskets, o-rings, reparing of butterfly valves, reparing of finges & header pipes of radiator banks by brazing, if necessary. Brand & material of O-ring & Gaskets shall be approved by EIC
Oil filtration after successful completion of jobs still achieving desired parameter of oil due to exposure to air during maintenance works after necessary oil filling. Arrangement of Oil Filter machine is in party's scope. Transportation of oil drums is also in party's scope from nearest store.
Transformer surface cleaning by suitable cleaning agent, checking, oil settling,venting jobs after completion of oil filtration & filling work.
Connection of HV & LV Terminal after satisfactory testing of Transformer.
Unit Auxiliary Transformer, UAT# 8A & 8B, 20MVA, 16.5KV/6.9KV, Current(HV):699.81Amp Current(LV):1673.479Amp, Connection: Dyn11, Cooling-ONAF/ONAN,Oil Qty(Ltr): 16900
Replacement of existing aircell & MOG in conservator tank by new ones including supply.
Change of gaskets/ O-rings such as Inspection Chamber gaskets,WTI,OTI Gasket, Buchholz Relay gasket, PRD Gaskets, other flange gaskets.Checking of aircell, level gauge glass & MOG. Arresting of all oil leakage points in radiator & conservator section including replacement of gaskets, o-rings, reparing of butterfly valves, reparing of finges & header pipes of radiator banks by brazing, if necessary.
Oil filtration after successful completion of jobs still achieving desired parameter of oil due to exposure to air during maintenance works after necessary oil filling. Arrangement of Oil Filter machine is in party's scope. Transportation of oil drums is also in party's scope from nearest store.
Transformer surface cleaning by suitable cleaning agent, checking, oil settling,venting jobs after completion of oil filtration & filling work.
Station Transformer #8, 55MVA, 220KV/6.9KV, Current(HV):144.34Amp Current(LV):2301.03Amp, Connection: YNynyn0, Cooling-ONAF/ONAN, Oil Qty(Ltr): 52440
Oil filtration after successful completion of jobs still achieving desired parameter of oil due to exposure to air during maintenance works after necessary oil filling. Arrangement of Oil Filter machine is in party's scope.Transportation of oil drums is also in party's scope from nearest store.
Transformer surface cleaning by suitable cleaning agent, checking, oil settling,venting jobs after completion of oil filtration & filling work.
TECHNO ENGINEERING
MESSON ELECTRICALS
tech_eval.pdf
boq_comp_chart.xlsx
xlsx
fin_eval.pdf
aoc.pdf
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