Uttar Pradesh Power Transmission Corporation Limited Tender
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Uttar Pradesh Power Transmission Corporation Limited - UPPTCL Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date30 Mar 2025
Closing Date21 Apr 2025
Tender Amount₹ 5,99,628
Costs
EMD
₹ 6,000Document Cost
₹ 590Tender Fee
Refer Documents
Description
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Contact
Tender Id
2025_UPTCL_1023713_1Tender No
E-Tender No. ETC-II/L/67/2024-25Tender Authority
Uttar Pradesh Power Transmission Corporation Limited ViewPurchaser Address
-Website
http://https://upenergy.in/upptcl
GEM & Bid Advisory Services
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BOQ Items
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Complete Dismantling of the 40MVA T/F as required for Gasket Replacement. The Scope of Work Involves Dismantling of HV LV Neutral Bushings, Turrets, Radiators, Conservator Tank, Explosion Vent Pipe. Buchholz Relay, Oil Pipe Lines. Flanges, Valves, Cooling Fans cc, along with Opening of associated Electrical Connections, Stacking of all the Dismantled Parts at Proper Place in the Switchyard including Proper Blanking of the Open Points before Replacement of Gaskets
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Complete Replacement of Gaskets of 40MVA Transformer. The Scope of Work Involves Reolacement of Gaskets Removal of old / damaged Rim Gasket of Transformer's Top Cover and old / damaged gaskets of different Parts of the Transformer by Cleaning of Surfaces, Providing & Fabrication of Gaskcts out of good Quality Rubberized Cork Sheet Gaskets of Konica Troborze / Nu-Cork make having Temperature Bearing Capacity around 380'C and Fixing the Gaskets with Adhesive at Rim & other Surfaces including Bushing 'O' Rings etc. as per requirement.
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Clcaning of Transformer's Core and Winding by Hot Transformer Oil and Removing the Complete Sludge from Bottom by Hot oil Flushing with Centrifugine Machine
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Complete Erection of 40MVA Transformer - 1 by Erection of HV / LV /Neutral Bushings, Turets, Radiators, Conservator Tank, Explosion Vent Pipe, Buchholz Relay, Oil Pipe Lines Flanges, Valves, Cooling Fans etc. at its original Place. Complete Evacuation of Main Tank of the Transformer and filling of Dry Nitrogen / Dry Air of Dew Point -50'C or better in Vacuum upto Pressure of 0.25K g/cm' and the again Evacuating the Transformer Tank after Required Time Interval (approx, 12 Hrs.) using Centrifuging Machine. The Scope of Work Involves Measuring Due Point Values of N2 after every Cycle till the Required Value is achieved
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Centrifuging of Oil flled in oil Tanker, Un-Interrupted till the desired BDV Value of the Achiraved Oil is Achieved, Filling of Transformer 0il into Main Tank and Radiators from Oil Tanker, then Centrifuging & Circulation of the Oil in Transforer, Un-Interupted till the Desired BDV Values of the Oil & IR Values are Achieved including Recording of all the Parameters such as Temperature, Vacuum, Insulation Resistance etc. every 2 Hours. Centrifuging Machine, its Operator, all associated T&Ps etc. shall be Arranged by the Contractor at his own cost
18500
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Jumpering of HV & LV side Bushings of the Transformer. The Scope of Work Involves Fixing &e Tightening of Bushing Clamps with appropriate size Bolts - Nuts - Washers including Reolacement of Clamps, Jumpers etc. as Required
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Outside Complete Spray Painting of above 40MVA Transformer including its Main Tank, Main / OLTC Conservator Tanks, Radiators, Headers, associated Pipe Lines, Support Structures, Marshalling Box etc. by 1 coat of Red Oxide Primer and then applying 2 coats of Smoke Grey Colour 1" Quality Synthctic Enamcl Paint of Asian / Berger / Nerolac make at the Gap of 48 Hrs. Interval each with the help of Spray Painting Machine afer due Rubbing & Cleaning of the Rusted Surfaccs, CIeaning & Washing of Dust / Dirt /oil Deposits.
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Carriage of 20 KL oil tank from 132 KV S/S Sareni to 132 KV S/S Salon for purpose of storing of oil after draining from T/F including cost of loading / unloading / transportation/ truck/fuel/driver and any other T&P as required for carriage work.
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Supply and fixing of New Magnetic Oil Gauge (MOG) of sukrut/standard make, Range : Min 30 degree, 1/2, 3/4, Max dia as per sample suitable for 40 MVA T/F BHEL make
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Supply and fixing of New clear view type Silica Gel Breather conforming to IS:3401:1992/latest standards of reputed make size 8-10 KG capacity for Main Tank , Range as per sample suitable for 40 MVA T/F BHEL make
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Supply and fixing of New clear view type Silica Gel Breather conforming to IS:3401:1992/latest standards of reputed make size 2-3.5 KG capacity for OLTC, Range as per sample suitable for 40 MVA T/F BHEL make
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Complete blanking of pipe line and radiators by blanking plates and other associated works to make transformer ready for vacuum.
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Complete evacuation of main tank of transformer and filling of Nitrogen in vacuum upto pressure of 0.25 kg/cm2 and again evacuating the transformer tank after required time interval using centrifuging machine. Scope of work involves providing N2 cylinders, to and fro carriage from factory on own cost and measuring due point values of N2 after every cycle till the required value is achieved.
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Performing the Vacuum Stand Test. The scope of work involves to create the vacuum inside transformer upto 70 Hg mm for evacuation of moisture from the core and winding and maintening the pressure atleast for 72 Hrs.
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Filling of transformer oil into main tank and radiators from oil tanks under vacuum after performing the Vacuum Stand Test successfully as per above
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Conducting testing by NABL Lab /CPRI etc. arranging appropriate equipment in following testing.
1. Electric Strength- Break Down Voltage (BDV)
2. Dissolved Gas Analysis (DGA)
3. Tan Delta
4. Water Content(PPM)
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