Tender For Repair/Maintenance Of Vcbs, Rmus, Distribution Transformers, 11 Kv Electrical Distribution System Including Repair/Calibration Of Relays, Meters And Other Allied Works At Cod Area, 1811 Pnr Coy, 226 Supply Depot, Fol Depot, Kirby Map Accn,
Tender Value
49 Lakhs
Estimated cost
Bid Submission
10 Nov 2026
8 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/Maintenance Of Vcbs, Rmus, Distribution Transformers, 11 Kv Electrical Distribution System Including Repair/Calibration Of Relays, Meters And Other Allied Works At Cod Area, 1811 Pnr Coy, 226 Supply Depot, Fol Depot, Kirby Map Accn, Kirby Officer Accn, Lao, Esd, Bor Sub Station, Subramaniyam Line & Cicg Under Age E/M-I Of Ge (U) Elect Supply Delhi Cantt-10.
BOQ
| Sl. No. | Item Description |
| 1 | Material and labour for disconnecting carefully electrical connection from both HT/ LT (primary & secondary) sides of the transformer, keeping them at safe side and taking out the transformer / Voltage stabiliser indoor / outdoor type of capacity 800 KVA to 1500 KVA, 11 KV/433KV, step down any make for carrying out overhauling which shall comprise of the following:-a) Material and labour for lifting, transporting, handling the transformer to workshop and back to the original location after complete overhauling.b) Conducting the tests on core and windings as per IS like ratio, magnetic imbalance, short circuit etc. in presence of Engr-in-Charge and test results shall be signed both by the contractor and Engineer -in-Charge and kept on record.Note:- (i) Any damage to insulators/ bushes/ windings etc. while in the custody of the contractor shall be made good at no extra cost to Department. The serviceability of the transformer shall be checked and confirmed by the contractor before taking into his custody. (ii) Material and labour for rewinding/ re-insulation of HT/ LT (primary/ secondary) coils, bushes, studs, Transformer oil, cable box, replacement of bucholtz relay/ MOG if any etc will be measured and paid separately. |
| 2 | All as per Item No. 1 herein before but transformer/Voltage stabiliser indoor/ outdoor type of capacity up to 400 KVA to 750 KVA complete all as specified and directed by the Engineer-in-Charge. |
| 3 | All as per Item No. 1 herein before but transformer/Voltage stabiliser indoor/ outdoor type of capacity up to 100 KVA to 315 KVA complete all as specified and directed by the Engineer-in-Charge. |
| 4 | Material & Labour for filtration of transformer oil of transformers/RMUs installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as specified and directed by the Engineer-in-Charge. |
| 5 | Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformer/ OCB/ FRMUs etc at various locations complete all as specified and directed by the Engineer-in-Charge. |
| 6 | Material and labour for rewinding of distribution transformers of capacity (100 KVA to 1500 KVA)/ type by winding the low insulation/defective coils of Primary Coil (HT coil) with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as specified and directed by the Engineer-in-Charge.[Note: Material and labour for re-insulation of serviceable coils will be measured & paid separately under relevant items.] |
| 7 | Material and labour for rewinding of distribution transformers of capacity (100 KVA to 1500 KVA)/ type by winding the low insulated/ defective coils of Secondary Coil (LT Coil) with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as specified and directed by the Engineer-in-Charge.[Note: Material and labour for re-insulation of serviceable coils will be measured & paid separately under relevant items.] |
| 8 | Material and labour for re-insulating windings of distribution transformers of capacity ( 100 KVA to 1500 KVA) / size/ type by strip opening of HT/ LT coils (i.e. Primary/ secondary coils) from core assembly safely, unwinding the HT/ LT coils (i.e. Primary/ secondary coils) complete, removing the old defective insulation paper and replacing with new DPC insulation to the copper conductor, re-varnishing of the windings with super varnish including heating/ drying/ backing complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance etc. all as per IS 1986-87 and complete all as specified and directed by the Engineer-in-Charge. |
| 9 | Disconnection of the Distribution Transformer from HT and LT supply mains, removing of Bus duct and Bus bar, Leakage arresting to transformers of capacity 100 kVA to 1500 kVA by draining out of oil, after arrangement of necessary empty oil drums, buckets etc., dismantling of top cover and accessories, dismantling of LT bushings by disconnecting leads/jumpers from inside, replacement of gaskets and oil seals and re fixing of the LT bushings, making internal and external connections, replacement of cover gasket and accessories, refixing of accessories and cover, filling of transformer oil complete, and making cable connections and for energising the transformer complete all as specified and directed by the Engineer-in-Charge. NOTE :- Cost includes materials like gaskets and oil seals and labour, the Bushing and bushings rods to be measured and paid separately. |
| 10 | Disconnecting the HT/LT connections of transformers capacity 100 KVA to 1500 KVA i.e (Bus duct / Cable bunch) keeping all the cables out from the HT/LT sides, physically checking the transformer for healthiness, performing the transformer tests like Meggar test, Ratio Test, Magnetic Balance test and short circuit tests for checking the condition of transformer complete and test results shall be submitted by the contractor and complete all as specified and directed by the Engineer-in-Charge.Note:- (i) If the transformer found satisfactory then HT/LT connections shall be done by the contractor and has to charge the transformer. (ii) If the transformer fails in these tests then the contractor has to shift the transformer for winding /overhauling. (iii) Cost of Transportation / winding / overhauling is exclusive of rate quoted by the contractor. |
| 11 | Shifting the Transformer of capacity 100 kVA to 1500 kVA from existing site to another site within 3 Km distance range by Dismantling of HT and LT cables, jumpers and bus bars including LT busbar cable boxes and close the transformers for loading in to Vehicle with the help of crane, transportation to another site, unloading, cable connections both HT and LT, testing and commissioning complete all as specified and directed by the Engineer-in-Charge. |
| 12 | Material and labour for replacement of Silica gel breather assembly of transformers of capacity 100 kVA to 1500 kVA complete with breather unit and silica gel including connecting with proper necessary gaskets if necessary, including removing the unserviceable breather assembly complete all as specified and directed by the Engineer-in-Charge. |
| 13 | Material and labour for replacement of Conservator tank of transformers of capacity 100 kVA to 1500 kVA complete unit and including connecting with proper necessary gaskets if necessary, including removing the unserviceable Conservator tank complete all as specified and directed by the Engineer-in-Charge. |
| 14 | Material and labour for replacement gun metal drain valves of transformers of capacities 100 kVA to 1500 kVA including dismantling old onecomplete all as specified and directed by the Engineer-in-Charge. |
| 15 | Supply and fix in repairs off load tap changer assembly of transformers of capacities 400 kVA to 1500 kVA suitable for any make with 7 tapping position including opening top cover, conservator etc complete all as specified and directed by the Engineer-in-Charge. |
| 16 | Supply and replacement of (WTI) Winding Temperature Indicator of following distribution transformers of capacity 100 kVA to 1500 kVA including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 17 | Supply and replacement of Porcelain LT Bushings alongwith bushing rod made out Brass/Copper of suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 18 | 630 kVA to 1500 kVA |
| 19 | 100 KVA to 500 KVA |
| 20 | Supply and replacement of Porcelain HT Bushings alongwith bushing rods made out Brass/Copper of suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 21 | 630 kVA to 1500 kVA |
| 22 | 100 KVA to 500 KVA |
| 23 | Material and labour for replacement of Oil gauge glass with gaskets of capacity 400 kVA to 1500 kVA distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 24 | Material and labour for preparation of old painted surfaces of transformers with coarse cloth/ brush and painting throughout externally on exposed surfaces with two coats of smoke grey colour synthetic enamel paint including writing of transformer details on plinth in white enamel paint on black enamel paint back ground complete including one coat of white wash for base foundation complete all as specified and directed by the Engineer-in-Charge for the following capacity in-door/ out-door type transformer:- |
| 25 | 630 kVA to 1500 kVA |
| 26 | 100 KVA to 500 KVA |
| 27 | Material and labour for replacement of (OTI) Oil Temperature indicator of distribution transformers of capacity 500 kVA to 1500 kVA including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 28 | Material and labour for replacement of Drain plugs to valves/conservator caps of the sizes 3/4\\", 1\\", 1.5\\" valves and plugs of 100 kVA to 1500 kVA capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge. |
| 29 | Material and labour for clearing of bushes/small plants up to root level around and surroundings areas E/M installations (i.e.Two Pole/ Four structures, outdoor-substation yards & Misc E/M installations etc) including surface dressing n.exc 15 cm deep and removing debris to a distance n.exc 50m in complete all as specified and directed by the Engineer-in-Charge. |
| 30 | Supply and laying of Graded coarse aggregate of size 20 mm dia size upto height of 0.15 Mtr over 0.1 Mtr of sand cushioning in outdoor sub-station yards including surface dressing n.exc 15 cm deep and removing debris to a distance n.exc 50 m before laying of sand complete all as specified and directed by the Engineer-in-Charge. |
| 31 | Material and labour for excavation in trenches n.exc 1.5mtr wide and not exc 1.5mtr depth and getting out in Soft/loose soil complete all as specified and directed by the Engineer-in-Charge. |
| 32 | Material and labour for returning and filling in of excavated material ay type including spreading, leveling, watering and well ramming in layers not exceeding 25 cm each complete all as specified and directed by the Engineer-in-Charge. |
| 33 | Material and labour for removal of surplus excavated material of any type not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed by the Engineer-in-Charge. |
| 34 | Material and labour for Sand cushioning / sand covering for underground cable protection/substation yard complete all as specified and directed by the Engineer-in-Charge. Note : Measurement shall be taken after punning down. |
| 35 | Supplying and laying of reinforced precast concrete cable cover, class HV, Type 1, flat, size 300mmx 180mm x 40mm, laid along alignment of cable as protection to cable in trenches complete all as specified and directed by Engineer-in-Charge. |
| 36 | Material and labour for GI pipe light grade 100 mm dia for cable protection on road crossings /plinth protection with fixed to the pole wall etc. suitable fittings for cable protection complete all as specified and directed by the Engineer-in-Charge. |
| 37 | Material and labour for cable jointing kit for 11 KV (Earthed) grade XLPE cable for indoor end termination heat shrinkable type joint complete with jointing material and accessories suitable for size 3 core 120 to 185 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge. |
| 38 | Material and labour for cable jointing kit for 11 KV (Earthed) grade XLPE cable for indoor end termination heat shrinkable type joint complete with jointing material and accessories suitable for size 3 core 240 to 300 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge. |
| 39 | Material and labour for cable jointing kit for 11 KV (Earthed) grade XLPE cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 120 to 185 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge.Note : Earth work will be measured and paid separately. |
| 40 | Material and labour for cable jointing kit for 11 KV (Earthed) grade XLPE cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 240 to 300 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge. Note : Earth work will be measured and paid separately. |
| 41 | Supply and laying of XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured ,electric power cables heavy duty with aluminium conductor, 11000 Volts grade (earthed) of size 3 core 185 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified and directed by the Engineer-in-Charge. |
| 42 | Supply and laying of XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured, electric power cables heavy duty with aluminium conductor, 11000 Volts grade (earthed) of size 3 core 240 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified and directed by the Engineer-in-Charge. |
| 43 | Servicing, Inspecting, checking, overhauling,cleaning by using of blower, Lubrication, greasing and carrying out preventive maintanance of RMU capacity 11 KV, 250/350 MVA including calibrating the relay by conducting secondary injection tests and RMU in serviceable condition, testing and commissioning complete all as specified and directed by the Engineer-in-Charge.Notes: (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of RMU panels with approved colour including lettering details all as per exisitng etc. |
| 44 | Supply & fixing of the following parts of RMU complete all as specified and directed by the Engineer-in-Charge :- |
| 45 | Self powered relay with O/C, S/C, E/F protection. Relay should have a front USB port for laptop interface, LCD display, 10 event records, 5 fault records, min 2 setting group and keypad for setting parameters for the relay - 1No |
| 46 | CT having Ratio 100-50/1-1A for Class - 1.0, 2.5VA for metering and Class 10P10, 2.5VA for protection - 1Set |
| 47 | Cable termination bushing suitable for upto 1 RUN 3Cx185 Sq mm, XLPE cable- 1Set |
| 48 | Cable termination cover boots (Push on type) -1Set |
| 49 | Three Phase (R/Y/B) indicating lamps - 1Set |
| 50 | 11KV/230V AC, 1KVA control transformer - 1No |
| 51 | Battery and battery charger, 12Ah, (I/P-230V AC, O/P - 24V DC) - 1No |
| 52 | Spring Charging motor |
| 53 | Material and labour for notice plate of 1.6 mm thick mild steel sheet vitreous enameled white, with letters figures and conventional skull and bones in signal red colour and fixed with MS clamps bolts and nuts of approved size for HT 11 KV of size 25 x 20 cm complete all as specified and directed by the Engineer-in-Charge. |
| 54 | Material and labour for earthing complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mm by means of bolts, nuts, check nuts & washers of galvanized iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1, using (20mm graded stone aggregate), \\"mild steel angle iron frame\\" made out of MS angle iron of size 40x 40 x 6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20mm dia medium grade pipe for watering 40mm dia light grade, GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown in electrical \\"plate No '3' and connected to earthing test point all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing complete all as specified and directed by the Engineer-in-Charge. Please Enable Macros to View BoQ information |
| 55 | Material and labour for earthing complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mm by means of bolts, nuts, check nuts & washers of galvanized iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1, using (20mm graded stone aggregate), \\"mild steel angle iron frame\\" made out of MS angle iron of size 40x 40 x 6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20mm dia medium grade pipe for watering 40mm dia light grade, GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown in electrical \\"plate No '3' and connected to earthing test point all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing complete all as specified and directed by the Engineer-in-Charge. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 20, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 10, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 8 daysNov 12, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 10 daysTender Documents
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