Tender For Repair /Maint Of Vcbs, Rmus, Distribution Transformers, Ht Electrical Distribution System Including Repair/ Calibration Of Relays Meters And Other Allied Works At Nsb - Iii, Panchwati, 1/5 Gr, Dcn Palam, Tigris, 69 Med Regt, 512 Lt Ad, 972
Tender Value
49 Lakhs
Estimated cost
Bid Submission
30 Sep 2026
1 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 Nsb - Iii, Panchwati, 1/5 Gr, Dcn Palam, Tigris, 69 Med Regt, 512 Lt Ad, 972 Tpt, 261 Arty Bde, 8 Engr, Sho, Dhruv Mess, 3 Jak Rif, Echs, 147 Fd Wksp, Karam Vihar, Signal Coy, Mode Line, Sanyat Line 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 | 19-Sep-2026 | AMENDMENT NO 1 | Other | 30-Sep-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | M&L 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 800 KVA, 11 KV/433KV, step down any make for carrying out complete overhauling which shall comprise of the following:-a) M&L for lifting, transporting, handling the transformer to workshop and back to the original location after complete overhauling or one location to another location where required.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) M&L 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 and directed by Engr-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 Engr-in-Charge. |
| 4 | M&L 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 and directed by Engr-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 and directed by Engr-in-Charge. Make: Power oil/ Transol/ Sabitha Chemicals as approved by GE. |
| 6 | M&L for rewinding of distribution transformers/AVR 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 and directed by Engr-in-Charge. Note: M&L for re-insulation of serviceable coils will be measured & paid separately under relevant items. |
| 7 | M&L 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 and directed by Engr-in-Charge.Note: M&L for re-insulation of serviceable coils will be measured & paid separately under relevant items. |
| 8 | M&L 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 and directed by Engr-in-Charge. |
| 9 | Disconnection of the Distribution Transformer/AVR 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. NOTE :- (i) The Cost deems to include materials like gaskets and oil seals and labour complete all as specified and directed by Engr-in-Charge.(ii) The Bushing and bushing rods to be measured and paid separately. |
| 10 | 500 kVA to 800 kVA |
| 11 | 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 and directed by Engr-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 | 500 kVA to 800 kVA |
| 14 | 100 kVA to 400 kVA |
| 15 | Shifting the Transformer/AVR (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 into 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 Engr-in-Charge. |
| 16 | M&L for replacement of Silica gel breather assembly 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 Engr-in-Charge. |
| 17 | M&L for replacement of gun metal drain valves of transformers of following capacities including dismantling old one complete all as specified and directed by Engr-in-Charge. MAKE :- UPADHYAY/ LEADER/ ZOLOTO |
| 18 | Supply and fixing in repairs off load tap changer assembly suitable for any make with 7 tapping position including opening top cover, conservator etc complete all as specified and directed by Engr-in-Charge. |
| 19 | Supply and replacement of (WTI) Winding Temperature Indicator of following distribution transformers including dismantling old one complete all as specified and directed by Engr-in-Charge. |
| 20 | 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 Engr-in-Charge. |
| 21 | 500 kVA to 800 kVA |
| 22 | 100 KVA to 400 KVA |
| 23 | 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 all as directed including dismantling old one complete all as specified and directed by Engr-in-Charge. |
| 24 | 500 kVA to 800 kVA |
| 25 | 100 KVA to 400 KVA |
| 26 | M&L for replacement of Oil gauge glass with gaskets of the following capacity distribution transformers of any make/size/type including dismantling old one complete all as specified and directed by Engr-in-Charge. |
| 27 | M&L 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 background complete including one coat of white wash for base foundation complete all as specified and directed by Engineer-in-charge for the following capacity in-door/ out-door type transformer:- |
| 28 | 500 kVA to 800 kVA |
| 29 | 100 KVA to 400 KVA |
| 30 | M&L for replacement of (OTI) Oil Temperature indicator of following distribution transformers including dismantling old one complete all as specified and directed by the Engr-in-Charge. |
| 31 | M&L for replacement of Drain plugs to valves/conservator caps of the sizes 3/4\\", 1\\", 1.5\\" valves and plugs, of 100 KVA to 800 KVA capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engr-in-Charge. |
| 32 | Supply and laying of graded coarse aggregate of size 20 mm dia size upto height of 0.10 Mtr in outdoor sub-station yards including surface dressing n.exc 05 cm deep and removing debris to a distance n.exc 50 m before laying of sand complete all as specified and directed by the Engr-in-Charge. Note : Punned thickness will be measured and paid separately for sand. |
| 33 | Material & labour for excavation in trenches not exceeding 1.5 metre wide & not exceeding 1.5 meter in depth for foundation, laying of cable or pipe (where provided for protection of cable or fixing with poles and stays) and getting out in any type of soil including trimming the sides and forming bottom surfaces to required levels complete all as specified and directed by the Engr-in-Charge. |
| 34 | Material & labour for returning filling in, Including spreading, levelling, Watering and well ramming soil in layers not exceeding 25 cm thick complete all as specified and directed by the Engr-in-Charge. |
| 35 | Material & labour for removal excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point complete all as specified and directed by Engr-in-Charge. |
| 36 | Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc,complete all as specified and directed by the Engr-in-Charge. Note : Measurement shall be taken after punning down. |
| 37 | Supplying and laying 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 |
| 38 | M&L for GI pipe light grade 80 mm dia for cable protection on road crossings /plinth protection with fixed to the pole wall etc. suitable fittings for cable protection. |
| 39 | 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 and directed by the Engr-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. |
| 40 | M&L 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 Engr-in-Charge. |
| 41 | M&L 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 Engr-in-Charge. |
| 42 | M&L 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 and directed by the Engr-in-Charge. |
| 43 | M&L 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 and directed by the Engr-in-Charge. |
| 44 | M&L 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 Engr-in-Charge. Note : Earth work will be measured and paid separately. |
| 45 | M&L 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 Engr-in-Charge.Note : Earth work will be measured and paid separately. |
| 46 | Supply, laying, testing & commissioning 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 95 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified and directed by the Engr-in-Charge. |
| 47 | Supply, laying, testing & commissioning 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 and directed by the Engr-in-Charge. |
| 48 | Supply, laying, testing & commissioning 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 Engr-in-Charge. |
| 49 | Supply, laying, testing & commissioning 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 Engr-in-Charge. |
| 50 | Supply, laying, testing & commissioning 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 300 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified and directed by the Engr-in-Charge. |
| 51 | 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 Engr-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. |
| 52 | Supply & fixing of the following parts of RMU complete all as specified and directed by the Engr-in-Charge :- |
| 53 | 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 |
| 54 | CT having Ratio 100-50/1-1A for Class - 1.0, 2.5VA for metering and Class 10P10, 2.5VA for protection- 1Set |
| 55 | Cable termination bushing suitable for upto 1 RUN 3Cx185 Sq mm, XLPE cable- 1Set |
| 56 | Cable termination cover boots (Push on type) -1Set |
| 57 | Three Phase (R/Y/B) indicating lamps - 1Set |
| 58 | 11KV/230V AC, 1KVA control transformer - 1No |
| 59 | Battery and battery charger, 12Ah, (I/P-230V AC, O/P - 24V DC) - 1No |
| 60 | Spring Charging motor |
| 61 | M&L of 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 Please Enable Macros to View BoQ information |
| 62 | M&L of 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 Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 19, 2026
11:30 IST
Tender Published
Tender notice published.
Completed
Sep 30, 2026
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
Upcoming · 1 daySep 30, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 1 dayTender Documents
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