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 Date29 Jan 2024
Closing Date12 Feb 2024
Tender AmountRefer Documents
Costs
EMD
₹ 61,240Document Cost
₹ 3,540Tender Fee
Refer Documents
Summary
Repairing Of 11/0.4kv 10,16 And 25 Kva Cylindrical Body Crgo Shell Type Damaged Transformer
Description
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Contact
Tender Id
2024_PVVNV_886521_1Bid Award Id
ViewTender No
147/EWSC(V)/23-24Tender Authority
Purvanchal Vidyut Vitaran Nigam Limited ViewPurchaser Address
-Website
http://http://puvvnl.up.nic.in/
GEM & Bid Advisory Services
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Documents
BOQ Items
25KVA
900
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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
400
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16KVA
550
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25KVA
900
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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
400
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16KVA
550
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25KVA
900
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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
400
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16KVA
550
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25KVA
900
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Dragging out empty tank from yard to repairing hall.
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10KVA
400
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16KVA
550
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25KVA
900
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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
400
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16KVA
550
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-
25KVA
900
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‘‘Making of complete HV/ 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
4400
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16KVA
7700
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25KVA
20700
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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
400
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16KVA
550
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-
25KVA
900
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Shifting and keeping the assembled core coil etc. in Oven from the repairing and assembly place.
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10KVA
400
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16KVA
550
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25KVA
900
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Taking out assembled core and coils assembly from the OVEN and shifting to repairing hall.
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10KVA
400
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16KVA
550
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25KVA
900
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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
400
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16KVA
550
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25KVA
900
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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
400
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16KVA
550
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25KVA
900
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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
400
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16KVA
550
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25KVA
900
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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
400
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16KVA
550
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25KVA
900
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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
400
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16KVA
550
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25KVA
900
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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
400
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16KVA
550
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25KVA
900
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