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| # | Company | Status |
|---|---|---|
| 1 | Admitted-Finance | Admitted-Finance |
| 2 | Admitted-Finance A 1 BLOCK A ASTHA APRTMENT BHOJUBEER NEAR CIRCUIT HOUSE VARANASI UTTAR PRADESH 221002 UDYAM UP 75 0008931 | VARANASI | UTTAR PRADESH | 221002 | Admitted-Finance |
| 3 | Admitted-Finance | Admitted-Finance |
Tender Value
Refer Docs
EMD Value
₹51,000
Closing Date
4 Jan 2023, 1:00 pmClosed
Superintending Engineer PuVVNL Varanasi
Office of the Superintending Engineer, Electricity Workshop Circle, Bhelupur (Power House), Varanasi
Repairing of 160 to 630 KVA Damage Transformers at Beruihar Distt Fatehpur Under EWD Prayagraj
2022_PVVNV_760973_1
107/EWSC(V)/2022-23
Open Tender
Electrical Works
Lump-sum
365 days
At Beruihar Workhsop Dist Fatehpur
As Per Tender Specification
2 documents required · 2 mandatory
₹3,540
E.E. EWD
₹51,000
25 Jan 2023
20 Dec 2022
5 Jan 2023
20 Dec 2022
4 Jan 2023
20 Dec 2022
Handling and dragging of transformer from stacking yard to repairing hall including opening of top cover plate.
250 KVA Al.
250 KVA Cu.
Opening of tap changer connection detanking of core and coil assembly, checking of transformer winding to assess the extent of damage.
250 KVA Al.
250 KVA Cu.
Cleaning, removing the rust of tank etc of the repairable transformer and painting of inside of transformer tank with zinc chromate (Yellow) in two coats with spray painting machine. Zinc chromate (Yellow) shall be supplied by the contractor.
250 KVA Al.
250 KVA Cu.
Dismantling of core and coil assembly, opening of top yoke core, lamination. Removing of HV and LV Leg coils for assessing its reuse, reuse of major insulating material if possible, checking and recording of physical dimensions of coil.
250 KVA Al.
250 KVA Cu.
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 .
250 KVA Al.
250 KVA Cu.
Reconditioning of LV Leg coils including removing of old double paper covering and cleaning of strip .Then providing double paper covering . Double paper covering other allied materials shall be provided by the contractor.
250 KVA Cu.
‘‘Making of complete LV leg coils from new/reconditioned DPC Strip of same size, number of turns and dimension as old one.
250 KVA Al.
250 KVA Cu.
Reconditioning of HV wire including removing of old double paper covering and cleaning of wire .Then providing double paper covering . Double paper covering other allied materials shall be provided by the contractor.
250 KVA Cu.
‘‘Making of complete HV wire from new/reconditioned DPC wire of same size, number of turns and dimension as old one.
250 KVA Al.
250 KVA Cu.
Assembly of core and coils and fitting of top yoke and other parts. Replacement of insulation such as press board, craft paper, making support between adjacent section by insulating spacers and wrapping etc. shifting of repaired core coil assembly and placement inside the oven for proper dry out.
250 KVA Al.
250 KVA Cu.
Taking out the core coil assembly from oven and shifting the same in assembly yard. Connection of HV Coils and its delta formation, LV connection and its star formation. Fixation of insulating material wherever necessary. Tanking out leads fortap changer contact surface between movable and fixed contacts, tap changer should operate smoothly and there should be no gap between fixed and moving contacts. Retightening of core, coil assembly to match with tank dimension. Clearance between coils, core and tank body to be as per design so that unnecessary losses are avoided. Retanking of core and coil assembly, refitting of tap changer assembly in operating condition and electrical connection of the tap changer.
250 KVA Al.
250 KVA Cu.
Dragging out empty tank form yard to repairing hall
250 KVA Al.
250 KVA Cu.
Fitting of complete accessories of H.T. & L.V. Bushing and Bushing Rod on H.V. & L.V. side of transformer.
250 KVA Al.
250 KVA Cu.
Refilling of reclaimed transformer oil having sufficient dielectric strength and IR Value. Shifting the transformer to testing yard. Refitting of top cover plate, and fixing of rubberized cork sheet, breather assembly after filling of dry silicagel.
250 KVA Al.
250 KVA Cu.
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.
250 KVA Al.
250 KVA Cu.
250 KVA Al.
250 KVA Cu.
Painting outside of the tank by synthetic enamel paint of smoke grey shade in two coats after providing red oxide primer. Red oxide primer and synthetic enamel paint shall be provided by the contractor.
250 KVA Al.
250 KVA Cu.
M/S Grid Power Systems
PRATAP ELECTRICAL INDUSTRIES
tech_bid_open.pdf
tech_eval.pdf
fin_bid_open.pdf
boq_comp_chart.xlsx
xlsx
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