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Tender Value
₹17.6 L
EMD Value
₹35,105
Closing Date
7 Sept 2026, 4:00 pm
EE(E)M33KV
33 KV ESS KIDWAI NAGAR (WEST) DELHI-110023
Repairing Overhauling Servicing of 33 11 KV 12.5 16 MVA PTR No.3 NGEF make at 33 KV ESS AIIMS.
2026_NDMC_296974_1
01/EE(E)M33KV/2026-27/sub/2nd Call
Open Tender
Electrical Works
Percentage
45 days
ESS AIIMS
Please refer Tender documents.
2 documents required · 2 mandatory
₹0
₹35,105
Yes
13 Aug 2026
13 Aug 2026
7 Sept 2026
13 Aug 2026
7 Sept 2026
13 Aug 2026
This is a percentage-rate BOQ. The schedule below shows estimated quantities and rates. Bidders quote a single percentage above or below the total estimated cost.
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | Inspection of Core & Winding (which are mounted with the top cover) by lifting of Top Cover using required capacity of crane after draining of transformer oil into oil drum/ tankers. (oil drum/tankers will be provided by NDMC) | 1 | Each Job | 1,30,000 | ₹1,30,000 |
| 2 | a) Dismantling of all Transformer Accessories such as Radiators, Conservator and Burnt parts such as Bushing (HV & LV), Bucholz Relay, PRV, Breathers, various types of valves and the others connecting pipes etc. by using suitable crane or by manually.
b) Checking of all connection of Core Coil Assembly throughly like Delta Connection, Star Connections & tapping lead etc.
c) Removing of all sludge from the bottom of the transformer main tank & cleaning the tank and washing the core & winding with hot oil through filtration plant. d) Fixing new gasket, rubber washers & oil seals of the transformer.
e) Re-fixing of Top Cover of the main tank with Core & Winding suitable for required capacity crane and fixing of OLTC Top Plate after checking / repairing of OLTC connection and tightening of the Nut Bolts. f) Applying of vacuum and nitrogen of the transformer. g) Washing, Cleaning and Spray painting of transformer main tank, radiators and its accessories by using ISI mark superior quality paint by applying three coat of required colour paint.
h) Assembling/ Erection of all the transformer accessories such as Radiator, Conservator, Buchholoz and all the connecting pipe etc. by using suitable capacity crane and man power.
i) Filtration of transformer oil upto the BDV 60 KV. Filter machine and operator will be arranged by the contractor.
j) Any other work required for Overhauling/ Servicing of power transformer and its satisfactory working there after which is not specifically mentioned above.
k) After replacement of all gasket, pressure test for checking of leakage and attending the same. | 1 | Each Job | 7,00,000 | ₹7,00,000 |
| 3 | Repairing & Re-wiring of Transformer Marshalling box. | 1 | Each Job | 1,40,000 | ₹1,40,000 |
| 4 | Repairing, Modification, Fabricated of new OLTC mechanism gear box & manual working of OLTC gear mechanism. | 1 | Each Job | 80,000 | ₹80,000 |
| 5 | Supply & Fixing of HT Bushings | 3 | Each Job | 4,500 | ₹13,500 |
| 6 | Supply & Fixing of LT Bushings | 3 | Each Job | 3,000 | ₹9,000 |
| 7 | Supply & Fixing of Breather 5 Kg. | 1 | Each Job | 7,000 | ₹7,000 |
| 8 | Supply & Fixing of Breather 1 Kg. | 1 | Each Job | 2,000 | ₹2,000 |
| 9 | Supply & Fixing of Buchholz Relay | 1 | Each Job | 15,000 | ₹15,000 |
| 10 | Supply & Fixing of Valves 2 inches. | 2 | Each Job | 20,000 | ₹40,000 |
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