Tender For Repair And Maintenance Of Transformers, Rmu, Battery Charger, Feeder Pillar With Connected Items And Repair And Maintenance Damaged 11/0.415 Kv Cable And Electrical Break Down Including Fault Detection, Localization Rectification And Allie
Tender Value
49 Lakhs
Estimated cost
Bid Submission
04 Aug 2026
14 days left
EMD
98000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
New Delhi → Delhi
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair And Maintenance Of Transformers, Rmu, Battery Charger, Feeder Pillar With Connected Items And Repair And Maintenance Damaged 11/0.415 Kv Cable And Electrical Break Down Including Fault Detection, Localization Rectification And Allied Works In 11 Kv, Lt Underground Cable Network At Kabul Line, Baird Place, Kotwali Line, Cedz Office, Cda (Army) And Associated Area Under Age Sldc E/S Under Ge (U) Elect Supply Delhi Cantt-10
BOQ
| Sl. No. | Item Description |
| 1 | Disconnecting electrically and mechanically indoor/outdoor transformers inside the substation or outdoor type on outside plinth upto 1000 KVA capacity, carefully for major/minor repairs complete all as specified and directed by Engr-in-Charge. |
| 2 | Material & labour for lifting of core assembly by opening of top cover and other items for checking of faults / repair and lowering / refixing the same in its original position after inspection to make it ready for transportation to carry out rewinding work in workshop including transportation of unservicieable transformer upto 1000 KVA capacity to workshop ( rate is deemed to be inclusive of transportation ,T&P and men power) complete all as specified and directed by Engr-in-Charge. |
| 3 | Material & Labour for transportation of transformer of capacity upto 500/630 KVA from MES Yard to site location using Hydra/Crane and truck as per requirement to replace defective transformer including installation, testing and connecting at site and to deposit the same to MES Yard after receipt and installation of repaired transformer at site complete all as specified and directed by Engr-in-Charge.Note:- Contractor must arrange for transportation and installation for replacement of transformer at site immediately after receipt of verbal/telephonic/written complaint from JE/Engr-in-Charge within 1 day. Any delay beyond 1 day post receipt of complaint shall be penalized @ Rs 2500/- per day and shall be recovered from next due RAR. |
| 4 | Material & Labour for alternative arrangement by hiring, transportation of transformer of capacity 500 / 630 KVA in place of unserviceable transformer on hire basis for 15 days including, installation, connecting and testing of transformer and return back after installation of repaired transformer complete all as specified and directed by Engr-in-Charge.Notes:-(i) Contractor must arrange hired transformer including transportation and installation at site immediately after receipt of verbal/telephonic/written complaint from JE/Engr-in-Charge within 1 day. Any delay beyond 1 day post receipt of complaint shall be penalized @ Rs 3500/- per day and shall be recovered from next due RAR.(ii) Repairing of transformer must be completed within 15 days after receipt of verbal/ telephonic/ written complaint from JE/Engr-in-Charge. In case of any delay, no extra claim will be entertained towards hiring charges beyond 15 days and the contractor shall not be allowed to shift the hired transformer until replaced by repaired transformer. In case of any kind of fault / defect occurred in hired transformer, the contractor shall have to arrange further replacement without any additional cost and shall repair the defect from his own expenses.(iii) Contractor should check the available infrastructure and to be sure regarding safety of hired transformer before installation. The rate quoted is deemed to be including transportation cost, earthing lead etc. |
| 5 | Taking out the unserviceable copper winding from transformer of capacity upto 250 KVA after opening top cover, and carrying out the following work complete all as specified and directed by Engr-in-Charge :- (a) Dismantling of all attachment viz breather assembly, conservator, oil temperature gauge, HT/LT bushing etc. and keeping aside for reuse.(b) Taking out the core with winding assembly.(c) Removing of complete winding from core and dismantling the core, cleaning of core laminate sheet and keeping aside for reuse(d) Cleaning of complete transformer tank oil fins, removing of sludge, and making the inside surface of tank dry by blowing of hot air as directed and specified.(e) Painting of outside surfaces of transformer complete by means of spray machine as directed. Note :- In case the defective transformer not repaired & installed at site within the specified period of 15 days from the date of handing over of defective transformer/complaint to contractor, a penalty recovery @ Rs 2500/- per day will be charged from his dues. |
| 6 | All as per item No 5 here-in-before but capacity of transformer 315 to 1000 KVA complete all as specified and directed by Engr-in-Charge. |
| 7 | (a) Repairs to the transformer of capacity upto 250 KVA as follows :-(i) Rewinding of HT/LT leg coil complete using copper wire /strip of appropriate gauge, size and turn as per existing with double paper coated insulation including all requisite insulating materials like packing sleeves, separator, tapes etc. heating, varnishing the core and winding assembly after framing up top and bottom steel structure of transformer complete all as specified and directed by Engr-in-Charge.(ii) Replacement of all insulating materials other than incorporated for rewinding of HT/LT coils as per existing.(iii) Fixing only HT procelain bushing with studs, nuts, washers 3 Nos. and LT procelain bushing with studs, nuts, and washers 4 Nos. and connection with primary and secondary windings and reconnecting with the main terminals as required and directed. (iv) Fixing only breather assembly, conservator, oil temperature gauge after proper cleaning, minor repairs etc. as required and directed.(v) Replacement of all unserviceable gasket from top cover, HT/LT bushing with new one by using rubberised gasket sheet 4.0mm/6.0mm thick duly pasted with suitable adhesive .(vi) Replacement of unserviceable bolts with new one and fixing of existing serviceable bolts, nuts, washers of different sizes and tightening properly.(vii) Repositioning of core and winding assembly inside the tank, assembling complete unit and making the transformer ready for filling oil and subsequent testing as directed. (viii) Filling/topping up of new transformer oil of required quantities . |
| 8 | (b) Material & Labour for transportation of repaired transformer to the original position (from where taken-down), disconnecting the alternative transformer, taking down the same, Re-installation of repaired indoor/outdoor transformer on 4/6 pole structure/plinth/inside sub station, connecting electrically and mechanically, testing and commissioning complete all as specified and directed by Engr-in-Charge. (c) The following routine test as per IS 1180 (Part I) -2014 shall be carried out :-(i) Measurement of winding resistance.(ii) Measurement of voltage ratio and check of voltage vector relationship.(iii) Measurement of impedance voltage/short circuit impedance (principal tapping) and load loss .(iv) Measurement of no load loss and current.(v) Measurement of insulation resistance.(vi) Dielectric tests(d) The contractor shall give written warranty of one year from the date of sucessfull testing and installation of transformer. The contractor shall submit test report from repair workshop/manufacturer for above mentioned test. Note :- HT / LT leg coils copper wire/strip and transformer oil required shall be measured and paid separately under relevant items of this Schedule here-in-after as supply only. |
| 9 | All as per item No 7 here-in -before but capacity of transformer 315 to 1000 KVA complete all as specified and directed by Engr-in-Charge. |
| 10 | Supply only HT coils with super enamelled copper wire /DPC of high quality duly matching with the existing guage and impedance complete all as specified and directed by Engr-in-Charge. |
| 11 | Supply only LT coils with super enamelled copper wire strip/DPC of high quality duly matching with the existing guage and impedance complete all as specified and directed by Engr-in-Charge. |
| 12 | Material & Labour for ON load Centrifuging and dehydration including filteration and cleaning of transformer oil by dehydration machine of 11/0.433 KV transformer installed at various site on plinth/4/6 pole structure of any capacity and topping up deficient transformer oil including testing of samples before and after dehydration and filteration complete all as specified and directed by Engr-in-Charge.Note :- Deficient quantity of Transformer oil required for top up shall be measured and paid separately under item No 12 here-in -after as supply only. |
| 13 | Supply only transformer oil of approved quality as per IS having dielectric strength of 45-60 KV in 2.5mm gap for filling in transformer or for topping up as required and directed by Engr-in-Charge. |
| 14 | Supplying and fixing in replacement, Porcelain Transformer bushing on LT (440 Volt) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed by Engr-in-Charge. Note.The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and provision of pad type bus bar almuminium of approppiate size /capacities of transformers with nut bolt & washers. |
| 15 | All as per Serial item No 13 here-in-before but capacity 200 KVA to 315 KVA complete all as specified and directed by Engr-in-Charge. |
| 16 | All as per Serial item No 13 here-in-before but capacity 400 KVA to 1000 KVA complete all as specified and directed by Engr-in-Charge. |
| 17 | Supplying and fixing in replacement, Porcelain Transformer bushing on HT (11 KV) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and connecting electrically and mechanically, testing complete all as specified and directed by Engr-in-Charge. Note :- The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and connections. |
| 18 | All as per Serial item No 16 here-in-before but 200 KVA to 315 KVA complete all as specified and directed by Engr-in-Charge. |
| 19 | All as per Serial item No 16 here-in-before but 400 KVA to 1000 KVA complete all as specified and directed by Engr-in-Charge. |
| 20 | Supplying and fixing in replacement, all unserviceable gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed complete all as specified and directed by Engr-in-Charge. Note :- The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers etc. |
| 21 | All as per Serial item No 19 here-in-before but 200 KVA to 315 KVA complete all as specified and directed by Engr-in-Charge. |
| 22 | All as per Serial item No 19 here-in-before but 400 KVA to 1000 KVA complete all as specified and directed by Engr-in-Charge. |
| 23 | Supplying and fixing in replacement, Silica Gel Breather assembly including vent pipe and Silica Gel for indoor/outdoor transformers, capacity upto 160 KVA complete all as specified and directed by Engr-in-Charge. |
| 24 | All as per Serial item No 22 here-in-before but capacity 200 KVA to 315 KVA complete all as specified and directed by Engr-in-Charge. |
| 25 | All as per Serial item No 22 here-in-before but capacity 400 KVA to 1000 KVA complete all as specified and directed by Engr-in-Charge. |
| 26 | Supply and fixing Thermometer of transformer upto capacity 1000 KVA complete all as specified and directed by Engr-in-Charge. |
| 27 | Material & Labour for painting of transformer installed on plinth pole at various site of capacity upto 315 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed by Engr-in-Charge. |
| 28 | Material & Labour for painting of transformer installed on plinth at various site of capacity 400 to 1000 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed by Engr-in-Charge. Please Enable Macros to View BoQ information |
| 29 | Material & Labour for painting of transformer installed on plinth at various site of capacity 400 to 1000 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed by Engr-in-Charge. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 14, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 04, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 14 daysAug 06, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 16 daysTender Documents
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