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Tender Value
₹40 L
EMD Value
₹80,000
Closing Date
26 Jun 2026, 6:00 pm
SHRI AK MISHRA, IDSE, CWE
HQ CWE MAMUN PIN 145001
REPAIR MAINTENANCE REPLACEMENT OF HT ELECTRICAL SYSTEM OF DIB AND DIA ZONE UNDER AGE EM I OF GE N MAMUN
2026_MES_769999_1
CWE/M-TOKEN19/2026-27
Open Tender
Civil Works - Others
180 days
MAMUN
As per tender documents
9 documents required · 9 mandatory
₹500
Yes
GE NORTH MAMUN
₹80,000
Yes
5 Jun 2026
5 Jun 2026
3 Jul 2026
5 Jun 2026
26 Jun 2026
19 Jun 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | Dismantling air break switch with all accessories such as insulators with mountings, all current carrying parts,GI pipe etc ON-OFF handle complete set complete all as specified and directed. | 8 | Each | - | - |
| 2 | Supply, installation, commissioning and testing 11 KV Air break switch, gang operated for current rating upto 200 Amps, triple pole, horizontal type, mechanically operated with accessories such as polymer insulator assembly (Set of 15 insulators), All current carrying parts shall be of non-ferrous metal or alloys and shall be designed to limit sharp points/edges, A set of adjustable arcing horns made from 2 SWG GI wire shall be mounted on each insulator stack of G.O pad-locking arrangement for both ‘ON and OFF’ positions, operating mechanism worked from ground level, Height of operating handle may vary from 1000 to 1300mm, GI tubing 20mm bore (heavy grade) for connecting operating handle, pad-locking arrangement shall be provided for both ‘ON and OFF’ positions drop out fuse. All steel parts are applied of two coats of aluminium paint over a coat of primer complete all as specified and directed. | 6 | Each | - | - |
| 3 | All as per Srl item No 2 here-in-above but gang operated switch for current rating upto 400 Amps complete all as specified and directed. | 2 | Each | - | - |
| 4 | Taking down transformer any capacity upto 100 KVA after disconnecting all the electric cables and earthing connections from 11/0.433 KV unserviceable transformer from platform/room of capacity upto 100 KVA and shifting to workshop including loading unloading carefully by manual or mechanical means and refixing and testing after repair works complete all as specified and directed.
Note: Cost of repair shall be measured and paid under relevant items. | 2 | Each Job | - | - |
| 5 | All as per Srl item No 4 here-in-above but capacity of transformer above 100KVA and upto 200 KVA complete all as specified and directed. | 3 | Each Job | - | - |
| 6 | All as per Srl item No 4 here-in-above but capacity of transformer above 200KVA and upto 315 KVA complete all as specified and directed. | 3 | Each Job | - | - |
| 7 | All as per Srl item No 4 here-in-above but capacity of transformer above 315KVA and upto 750 KVA complete all as specified and directed. | 2 | Each Job | - | - |
| 8 | Opening up to 100KVA transformer cover along with the conservator by removing the nuts bolts, removing the internal H.T. & L.T. connections from studs, bushings, taking out the core-winding assembly out of the tank, draining & decanting of transformer oil and cleaning of sludge deposited in the tank with CTC. Checking the serviceability of all HT & LT coils. Replace the coils if requires. Heating of core winding assembly in hot chamber for 48 hours and removing all the moisture present in it, Sealing of tank if any leakage by welding, checking of HT & LT bushings, conservator tank, valve, breather assembly and repair if any leakage, refilling transformer oil and putting the core-winding assembly into the tank, fixing all bushings, connecting all HT & LT wires, reassembling, bushings, replacing gaskets of top cover, fixing top cover , testing the transformer in the workshop duly filled with oil, topping up of oil if required, dehydration of transformer oil to acheive required insulation level all as specified and directed.
Note: Cost for repair/replacement of windings shall be measured and paid under relevant item. | 2 | Each Job | - | - |
| 9 | All as per Srl item No 8 here-in-above but transformer capacity above 100 KVA and upto 200 KVA complete all as specified and directed. | - | Each Job | - | - |
| 10 | All as per Srl item No 8 here-in-above but transformer capacity above 200 KVA and upto 315 KVA complete all as specified and directed. | - | Each Job | - | - |
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