Tender For Repair /Maint Of Vcbs, Rmus, Distribution Transformers, Ht Electrical Distribution System Including Repair/ Calibration Of Relays Meters And Other Allied Works At Old Base Power House, Sikhawati Line, New Npg, Old Npg, Hazipeer Line, Daps
Tender Value
49 Lakhs
Estimated cost
Bid Submission
06 Nov 2026
4 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 /Maint Of Vcbs, Rmus, Distribution Transformers, Ht Electrical Distribution System Including Repair/ Calibration Of Relays Meters And Other Allied Works At Old Base Power House, Sikhawati Line, New Npg, Old Npg, Hazipeer Line, Daps School, Afmsd, 17 Jak Rif, Blood Bank, 262 Transit C , 422 Fd Hosp, Casd, 4/1 Gr, 325 Lt Ad, 60 Bde, 255 Transit C , 285 Wksp, Signal Coy, 629 Tpt Asc Under Age E/M No-I Of Ge(U) Elect Supply Delhi Cantt-10
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 23-Oct-2026 | AMENDMENT NO 1 | Other | 06-Nov-2026 |
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 630 KVA to 1000 KVA, 11 KV/433KV, step down any make for carrying out complete all as specified & directed by the Engineer-in-Charge 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 500 KVA complete all as specified & 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 & directed by the Engineer-in-Charge. |
| 4 | Material and Labour for filtration of transformer oil of transformers/Servo voltage Stabilizer 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 & 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 transformers/Servo voltage Stabilizer etc at various locations complete all as specified & directed by the Engineer-in-Charge. |
| 6 | Material and Labour for rewinding of distribution transformers of capacity (100 KVA to 800 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 & 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 800 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 & 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 800 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 & 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 following transformers 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 & 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 | (a) 500 kVA to 800 kVA |
| 11 | (b) 100 kVA to 400 kVA |
| 12 | Disconnecting the HT/LT connections of following transformers 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 complete all as specified & 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. |
| 13 | (a) 500 kVA to 800 kVA |
| 14 | (b) 100 kVA to 400 kVA |
| 15 | Material and Labour for shifting the Transformer of capacity 100 kVA to 800 kVA from existing site to another site 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 & directed by the Engineer-in-Charge. |
| 16 | Material and Labour for replacement of Silica gel breather assembly complete with breather unit and silica gel for transformers of capacity 100 kVA to 800 kVA including connecting with proper necessary gaskets if necessary, including removing the unserviceable breather assembly complete all as specified & directed by the Engineer-in-Charge. |
| 17 | Material and Labour for replacement gun metal drain valves of transformers of 200 kVA to 800 kVA capacities including dismantling old one complete all as specified & directed by the Engineer-in-Charge. MAKE :- UPADHYAY/ LEADER/ ZOLOTO |
| 18 | Supply and replace 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 including dismantling old one complete all as specified & directed by the Engineer-in-Charge |
| 19 | (a) 500 kVA to 800 kVA |
| 20 | (b) 100 KVA to 400 KVA |
| 21 | Supply only 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 including dismantling old one complete all as specified & directed by the Engineer-in-Charge |
| 22 | (a) 500 kVA to 800 kVA |
| 23 | (b) 100 KVA to 400 KVA |
| 24 | Material and Labour for replacement of Oil gauge glass with gaskets of capacity 400 kVA to 800 Kva distribution transformers of any make/size/type complete all as specified & directed by the Engineer-in-Charge including dismantling old one. |
| 25 | 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 & directed by the Engineer-in-Charge. for the following capacity in-door/ out-door type transformer:- |
| 26 | (a) 500 kVA to 800 kVA |
| 27 | (b) 100 KVA to 400 KVA |
| 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 capacity 100 kVA to 800 kVA distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified & directed by the Engineer-in-Charge . |
| 29 | 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 & directed by the Engineer-in-Charge. |
| 30 | Material and Labour for returning and filling in of excavated material any type including spreading, leveling, watering and well ramming in layers not exceeding 25 cm each complete all as specified & directed by the Engineer-in-Charge. |
| 31 | 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 & directed by the Engineer-in-Charge. |
| 32 | Material and Labour for Sand cushioning/sand covering for underground cable protection/substation yard complete all as specified & directed by the Engineer-in-Charge. Note: Note : Measurement shall be taken after punning down. |
| 33 | 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 |
| 34 | Testing the cables with high voltage DC testing machine and locating the fault in the cables by fault locating machine to pin point exact position of fault, disconnecting faulty 11 KV HT cables of different sizes from both ends, removal of Fault, Re-connections and testing of cables after removal of fault complete all as specified & directed by the Engineer-in-Charge.Note: (a) 11 KV HT cable & joints shall be measured and paid for separately under respective items of schedule.(b) Retrieved old serviceable cable cover will be laid in trenches for cable protection. If extra PCC cover and sand required at site shall be measured and paid separately under respective items of BOQs.(c) Excavation and earth work will be measured and paid for separately under respective items of schedule. |
| 35 | Material and Labour forcable 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 & directed by the Engineer-in-Charge. |
| 36 | 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 & directed by the Engineer-in-Charge. |
| 37 | Material and Labour for cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor 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 & directed by the Engineer-in-Charge. |
| 38 | Material and Labour for cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor 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 & 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 & directed by the Engineer-in-Charge. Note : Earth work will be measured and paid separately. |
| 40 | Material and Labour 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 & directed by the Engineer-in-Charge. Note : Earth work will be measured and paid separately. |
| 41 | Supply and Fixing 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 120 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified & directed by the Engineer-in-Charge. |
| 42 | Supply and Fixing 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 & directed by the Engineer-in-Charge. |
| 43 | Supply and Fixing 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 & directed by the Engineer-in-Charge. |
| 44 | Supply and Fixing 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 300 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified & directed by the Engineer-in-Charge. |
| 45 | 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 as 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. |
| 46 | Supply & fixing of the following parts of RMU complete all as specified & directed by the Engineer-in-Charge :- 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 suitable fo RMU |
| 47 | CT having Ratio 100-50/1-1A for Class - 1.0, 2.5VA for metering and Class 10P10, 2.5VA for protection- 1Set |
| 48 | Cable termination bushing suitable for upto 1 RUN 3Cx185 Sq mm, XLPE cable- 1Set |
| 49 | Cable termination cover boots (Push on type) -1Set |
| 50 | Three Phase (R/Y/B) indicating lamps - 1Set |
| 51 | 11KV/230V AC, 1KVA control transformer - 1No |
| 52 | Battery and battery charger, 12Ah, (I/P-230V AC, O/P - 24V DC) - 1No |
| 53 | Spring Charging motor Please Enable Macros to View BoQ information |
| 54 | Spring Charging motor Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 23, 2026
11:30 IST
Tender Published
Tender notice published.
Completed
Nov 06, 2026
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
Upcoming · 4 daysNov 06, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 4 daysTender Documents
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