Purvanchal Vidyut Vitaran Nigam Limited Tender
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Purvanchal Vidyut Vitaran Nigam Limited - PUVVNL Tender
Electrical Generators And Transformers
Electrical and Electronics
Eprocure
Opening Date9 Feb 2024
Closing Date19 Feb 2024
Tender AmountRefer Documents
Costs
EMD
₹ 77,980Document Cost
₹ 3,540Tender Fee
Refer Documents
Summary
Repairing Of 11/0.4kv 10,25,63 And 100 Kva Damage Transformer
Description
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Contact
Tender Id
2024_PVVNV_890990_1Bid Award Id
ViewTender No
191/EWSC(V)/23-24Tender Authority
Purvanchal Vidyut Vitaran Nigam Limited ViewPurchaser Address
-Website
http://http://puvvnl.up.nic.in/
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Documents
BOQ Items
63KVA
565
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-
100KVA
280
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-
Cutting of Sealed transformers top cover plate smoothly and uniformally by gas/chisel cutter or opening of top cover plat and detanking of core and coil assembly.
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-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Dragging of the tank from the repaired hall to yard. & cleaning oil and dust etc. and scraping the rust etc and Washing of Transformer tank with Caustic Soda & water, Caustic soda shall be provided by contractor
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-
-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Painting of inner side of transformer tank and channels with heat proof zinc chromate paint of good quality (Berger, Nerolac, Jenson & Nicholson etc) shall be
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-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Dragging out empty tank from yard to repairing hall.
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-
-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Dismantling core and coil assembly and cleaning of dust and dirt from the core assembly and checking of LV and HV leg coils for assessing its reuse, rechecking and recording of physical dimensions of coil and cleaning of core and their components etc.
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-
-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Reconditioning of minor damaged in HV/LV leg coil/ Strip of transformer. work includes removing of damage part DPC insulation and providing new DPC on same HV coil/LV Strip should be properly cleaned and should be made of same size as of original .
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-
25KVA
4212
-
-
63KVA
4068
-
-
100KVA
2800
-
-
‘‘Making of complete LV leg Alu. Leg coils identical to original one with same number of turns, weight etc providing super enameled / DPC conductor/ Strip confirming to IS 1971 /53 in place of old and damage coil. Alu. coil, wire strip will be provided by the department. All coil assembly of identical voltage shall be interchangeable without requiring any special equipment. Coil shall be supported between adjacent sections by insulations, spacers, beamers and other insulations.Rewinding shall be arranged to ensure free circulation of oil to reduced hot spots in winding. The insulation of coil shall be treated with suitable insulating, varnish or equivalent compound to develop the full electrical strength of winding as per original design.
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-
10KVA
2860
-
-
25KVA
6318
-
-
63KVA
6102
-
-
100KVA
4200
-
-
‘‘Making of complete HV leg Alu. Leg coils identical to original one with same number of turns, weight etc providing super enameled / DPC conductor/ Strip confirming to IS 1971 /53 in place of old and damage coil. Alu. coil, wire strip will be provided by the department. All coil assembly of identical voltage shall be interchangeable without requiring any special equipment. Coil shall be supported between adjacent sections by insulations, spacers, beamers and other insulations.Rewinding shall be arranged to ensure free circulation of oil to reduced hot spots in winding. The insulation of coil shall be treated with suitable insulating, varnish or equivalent compound to develop the full electrical strength of winding as per original design.
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-
10KVA
5005
-
-
25KVA
18720
-
-
63KVA
16950
-
-
100KVA
11760
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-
Assembly of core and coils and fitting of other parts requiring replacement such as press board, making supports between adjacent sections by insulating spares and rapping etc & tapping etc. (Breezing/soldering) required, shall be arrange by the contractor.
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-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Shifting and keeping the assembled core coil etc. in Oven from the repairing and assembly place.
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-
-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Taking out assembled core and coils assembly from the OVEN and shifting to repairing hall.
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-
-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Retanking of complete assembly into painted tank and lightening of the assembly in the tank safely. Fitting of all accessories of the transformer.
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-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Welding of repaired transformers including of top cover plate by electric core welding filling of gaps or fixing of top cover plate by properly nuts & bolts to prevent seepage of water..
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-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Painting of t/f outside with super enamel synethics paint of yellow color in two coats after providing primer of red oxide paint etc. paint & painting materials shall be provided by contractor.
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-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Dragging of repaired T/f upto the test cabin/testing place for testing and their re-dragging to yard and its stacking at indentified place after testing
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-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Testing the correctness of connection, DVDF, No load, load loss test (where available), High Voltage, impedance voltage, Short Circuit and open circuit test, Voltage ratio on various tap position.
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-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
Punching and welding of M.S. Plate on outside of transformer of size 100 mm x 50mm x 3 mm containing/ punching.
(a) of unique number as decided by the department with a punch head.
(b) Date of repair.
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-
10KVA
715
-
-
25KVA
1170
-
-
63KVA
565
-
-
100KVA
280
-
-
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