Tender For Repair/Maint To Transformer And Allied Works At Sgnr Mil Stn
Tender Value
24.97 Lakhs
Estimated cost
Bid Submission
16 Nov 2026
4 days left
EMD
49940
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Ganganagar → Rajasthan
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/Maint To Transformer And Allied Works At Sgnr Mil Stn
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 09-Nov-2026 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 16-Nov-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | Taking out transformer from its position from any location under GE SGNR area for major repair/servicing/rewinding of capacity 25 KVA to 100 KVA ,11/.433 KV volts disconnecting/opening HV,LV electrical connections/earthing connections complete all as specified and directed along with following other works: (a)Transportation of transformer to civil work shop and back at the site by making necessary arrangement of T&P(Cranes, recovery, vehicle to be arranged by firm.(b)Opening of transformer top cover by extraction, removing of serviceable /unserviceable nuts, bolts and washers etc.(c )Drainage out of transformer oil and keeping in safe custody for reuse.(d) Lifting primary coil and secondary coil, dismantling of transformer complete part by part carefully.(e) Refiling topping up of transformer oil after dehydration and filtration in transformer.(f) Transformer core heating in oven. Note (a): (i) Replacement of u/s parts like bush insulators, bush studs, breather assembly, bush rod, silica gel brass rod, rewinding, reinsulating of primary and secondary coil with copper/aluminum, dehydration and filtration of transformer oil etc shall be measured & paid separately under relevant items of schedule.(ii) Renewal of nuts, bolts and washer deemed to be included in above rate(iii)Rate for Testing and testing equipment for transformer deemed to be included in above rate. |
| 2 | All as per Srl item No. 01 above but for 160KVA to 315 KVA transformer complete all as directed. |
| 3 | All as per Srl item No. 01 above but for 400KVA to 630 KVA transformer complete all as directed. |
| 4 | M&L for replacement of insulation material such as gasket(cork sheet for top cover), LT terminal box, LV & HV bushing washer, paper insulation for coil for 25 KVA to 100 KVA transformer complete all as specified and directed by Engr-in-Charge. |
| 5 | M&L for replacement of insulation material such as gasket(cork sheet for top cover), LT terminal box, LV & HV bushing washer, paper insulation for coil for 160 KVA to 315 KVA transformer complete all as specified and directed by Engr-in-Charge. |
| 6 | M&L for replacement of insulation material such as gasket(cork sheet for top cover), LT terminal box, LV & HV bushing washer, paper insulation for coil for 400 KVA to 630 KVA transformer complete all as specified and directed by Engr-in-Charge. |
| 7 | M&L for reconnecting 25 KVA to 100 KVA transformer after complete repairs including installation & testing the transformer as per relevant IS provisions incl connecting and showing to executive and signature in Job sheeet by Engr in charge complete all as specified and directed by Engr-in-Charge. |
| 8 | M&L for reconnecting 160 KVA to 315 KVA transformer after complete repairs including installation & testing the transformer as per relevant IS provisions incl connecting and showing to executive and signature in Job sheeet by Engr in charge complete all as specified and directed by Engr-in-Charge. |
| 9 | M&L for reconnecting 400 KVA to 630 KVA transformer after complete repairs including installation & testing the transformer as per relevant IS provisions incl connecting and showing to executive and signature in Job sheeet by Engr in charge complete all as specified and directed by Engr-in-Charge. |
| 10 | Supply an filling in replacement of fresh, new, inhabited mineral insulating transformer oil confirming to IS 335(latest), having breakdown voltage (dielectric strength) not less than 60 KV (after filtration/treatment) and minimum 30 KV as delivered, water content <= 30 ppm complete including test certificate from the OEM, all as specified and directed by Engr-in-charge. |
| 11 | M & L for HT/LT coils, 11 KV, 440Volts fabricated out of new aluminium wire/strip of suitable gauge with proper insulation, varnish etc suitable for indoor/outdoor type transformer complete all as specified and directed by Engineer-in-Charge. |
| 12 | M & L for HT/LT coils 11 KV/440V fabricated out of new copper wire/strip of suitable gauge with proper insulation, varnish etc suitable for indoor/outdoor type transformer complete all as specified and directed by Engineer-in-Charge. |
| 13 | S & F in replacement 25 KVA to 630 KVA (11KV) transformer bushing of HT side with porcelain, brass rod, bolts, washers and packing sheet IS:3347/ IS:2099 suitable for transformer complete all as specified and directed by Engineer-in-Charge. |
| 14 | S & F in replacement 3.15 MVA/1.6 MVA (33KV) transformer bushing of HT side with porcelain, brass rod, bolts, washers and packing sheet suitable for transformer complete all as specified and directed by Engineer-in-Charge. |
| 15 | S&F in replacement 25 KVA to 100 KVA transformer bushing of LT side with porcelain, brass rod bolts washers and packing sheet suitable for transformer complete all as specified and directed by Engineer-in-Charge. |
| 16 | S&F in replacement 160 KVA to 315 KVA transformer bushing of LT side with porcelain, brass rod bolts washers and packing sheet suitable for transformer complete all as specified and directed by Engineer-in-Charge. |
| 17 | S&F in replacement 400 KVA to 630 KVA transformer bushing of LT side with porcelain, brass rod bolts washers and packing sheet suitable for transformer complete all as specified and directed by Engineer-in-Charge. |
| 18 | S&F in replacement suitable size as per cable make Lugs for 25 KVA to 100 KVA transformer including removing spare loop of cable and reconnect and proper insulate for transformer complete all as specified and directed by Engineer-in-Charge. |
| 19 | S&F in replacement suitable size and make Lugs for 160 KVA to 630 KVA transformer including removing spare loop of cable and reconnect and proper insulate for transformer complete all as specified and directed by Engineer-in-Charge. |
| 20 | S&F in replacement suitable size and make Lugs for 400 KVA to 630 KVA transformer including removing spare loop of cable and reconnect and proper insulate for transformer complete all as specified and directed by Engineer-in-Charge. |
| 21 | S&F in replacement 3.15 MVA/1.6 MVA (33 KV) transformer bushing of LT side with porcelain, brass rod bolts washers and packing sheet suitable for transformer complete all as specified and directed by Engineer-in-Charge. |
| 22 | Dehydration high vacuum filtration and degasification of existing transformer oil in-situ or after draining into clean drum/tanks, using vacuum centrifugal/filtration plant including sludge removal, to achieve dielectric break down voltage not less than 40 KV across standard 2.5mm electrode gap or as per IS 6792 including refilling, testing complete all as specified and directed by Engr-in-charge. |
| 23 | M & L for preparation of existing painted external surface of transformer 25 KVA to 100 KVA capacities and applying two coats of synthetic enamel paint complete all as specified and directed by Engineer-in-Charge. |
| 24 | M & L for preparation of existing painted external surface of transformer 160 KVA to 315 KVA capacities and applying two coats of synthetic enamel paint complete all as specified and directed by Engineer-in-Charge. |
| 25 | M & L for preparation of existing painted external surface of transformer 400 KVA to 630 KVA capacities and applying two coats of synthetic enamel paint complete all as specified and directed by Engineer-in-Charge. |
| 26 | Taking out existing silica gel and providing new silica gel complete all as specified and directed by Engineer-in-Charge. |
| 27 | S&F in replacement of Air breather asembly with silica gel for transformer ranging from 25 KVA to 630KVA complete all as specified and directed by Engineer-in-Charge. |
| 28 | S & F for GI strip 32x6 mm thick fixed in ducts/on wall/in trenches/floor etc and jointing for inter connection of earthing fixed to equipment, test point incl drilling holes and jointing with GI fasteners (hot-dip galvanized) or stainless steel grade 304/316 nuts, bolts and washers complete all as specified and directed by Engr-in-Charge. |
| 29 | S&F in replacement of transformer temperature gauge heavy duty 0-150 degre centigrade of size 96mm dial type for 100 KVA to 400 KVA transformer having brass sensor complete all as specified and directed by Engr-in-Charge. Make - Scientific/H Guru/Tapan |
| 30 | Supply, installation, testing and commissioning of maintenance free chemical pipe-in-pipe copper bonded earth electrode system confirming to IS 3043, IEEE 80 comprising of 3m long, min 50 mm outer dia electrode (copper bonded steel pipe with min 250 micron copper coating) installed in an augered bore hole of suitable diameter, back filled and compacted with ecofriendly, non-corrosive, highly conductive earth enhancing compound (min 30-35 kg), terminal connector at top with pre drilled holes for 32 mm x 6mm strip connection, heavy duty UV stabilized poly plastic pit cover with removable lid complete including testing and achieving earth result below 1 ohm (providing additional inter connected electrode if specified resistance is not achieved in single pit at no extra cost) ohm all as specified and directed. Note: i) Rate included for Testing commissioning including checking of earth continuity and earth result complete all as specified and as directed.ii) Venders are bound to get earthing result less than 1 ohm. If the result of earthing not achieved less than 1 ohm by one earthing then another additional earthing will be provided by the contractor as bi-pot including interconnecting with copper strip of same configuration at no extra cost to achieve test result as specified and all as directed by Engr-in -charge. |
| 31 | M&L Copper strip of size 32x6mm buried in ground and connected one end to electrode terminal and other end to terminal box with suitable size of GI nut, bolt & washers complete all as specified and directed. |
| 32 | Cutting/ trimming of tree branches not exc 10 cm girth touching/approaching the LT/HT overhead lines conductors with hack saw/axe to clear the LT/HT line upto 3 metre on each side including disposal of trimmed branches 100 Metre away inside the station area & clearing site complete all as specified & directed by Engr-in-Charge. Note:-3Mtr width on each side (Horizontal/vertical) of LT/HT line shall be cleared. |
| 33 | Supply and fixing in replacement outdoor heavy duty station/distribution class1/2 Gapless Metal Oxide (Zinc Oxide- Zno) surge arrestor confirming to IS 3070 (Part 3) /IEC 60099-4, suitable for 11KV nominal(12 KV Max) solid earthed system, rated voltage 9KV/10KV, continuous operating voltage (MCOV)>=7.65 KV, nominal discharge current 10KA(8/20 micro sec), high current impulse with stand 100KA, complete with mounting brackets, clamps, surge ground connection, bi metallic terminal connectors, nuts, bolts and washers complete all as specified and directed by Engineer-in-Charge. |
| 34 | M&L for GI clamp,GI Sheet , GI nut bolt, fabricated from structural steel sections including nuts, bolts, washers, welding , bending cold or hot, drilling holes for transformers HT/LT Side cover plate,bolts, in any shape or size all as directed by Engr in charge. |
| 35 | Supply and fixing in replacement of transformer temperature gauge heavy duty 0-150 degre centigrade of size 96mm dial type for 400 KVA to 630 KVA transformer having brass sensor complete all as specified and directed by Engr-in-Charge. Make - Scientific/H Guru/Tapan |
| 36 | M&L for earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick burried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth not less than 1.5 metre below ground level, earth plate surrounded by 15cm thick packed layer of charcoal dust and common salt, connected to galvanized iron strip 32mm x 6mm thick as earth lead by means of bolts, nuts and washers of galvanised iron or steel and thimbles and other end of the earth strip connected to earthing test point/equipment and protected by galvanised iron pipe light grade 40mm dia upto earthing test point/equipment fixed with 2 Nos of mild steel clamp made out 25mm x 3mm flat iron and perforated water pipe 20mm dia GI medium grade and top with socket & plug and bottom connected to earth plate by slit and two bolts/nuts/washers, PCC chamber in cement concrete (1:2:4) type B-1 and CI cover with frame 40 x 40 x 6mm on top and excavation/ earth work complete all as shown in electrical plate No. 3 of MES Schedule Part-I of SSR-2009. Note:- (i) Outer edge of earth pit shall be 1 metre away from the outer edge of PCC chamber. (ii) GI strip upto earth test point/equipment is included in this item. (iii) Water pipe upto earth pit shall be provided in slantling position as included in this item. |
| 37 | M&L for Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6mm thick burried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth of not less than 1.5 metre below ground level, earth plate surrounded by 15cm thick and packed layer of charcoal dust and common salt, connected to earth lead of GI wire 4 mm dia (8 SWG) by means of bolts, nuts and washers of the earth wire galvanised iron or steel and thimbles and other end of the earth wire connected to earthing test point and protected by galvanised iron pipe light grade 15mm dia and water pipe 20mm dia GI light grade with funnel & wiremesh, PCC chamber in cement concrete (1:2:4) type B1 including CI cover with frame 40x40x6mm angle iron frame on top of pit cover and excavation & earth work complete all as shown in electrical plate No. 3 of MES Schedule Part-I of SSR-2009. complete all as specified and directed by Engr-in-charge. Notes :- (i) GI wire upto earth test point/equipment is included in this item. (ii) Outer edge of earth pit chamber shall be 1 metre away from the outer edge of PCC chamber. (iii) Water pipe upto earth pit shall be provided in slanting position as included in this item. |
| 38 | Cleaning of grass/shrubs/bushes not exc 10 cm girth surounding the 2 pole/ 4 pole structrue with hack saw/axe Grass cutting tools including disposal of trimmed branches/grass 1000 Metre away inside the station area & clearing site all as specified and directed by Engr-in-Charge. Note :- 2 metre width on each of LT/HT pole structrue. to maintaining of clear area by using any type of pestisides are the responsibility of contractor. |
| 39 | M&L for graded gravel/coarse stone aggregate 20 to 40 mm spread and levelled in layers complete all as specified and directed by Engr-in-Charge. |
| 40 | Supply, laying, jointing testing and commissioning in replacement of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade of cross-sectional area 240 Sqmm, 3 core, IS 7098 marked, suitable for HT 11 KV(E) system , laid in trenches / ducts / encased in GI pipe / fixed to pole complete all as specified and directed by Engineer-in-Charge. |
| 41 | Supply, laying, jointing testing and commissioning in replacement of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade of cross-sectional area 120 Sqmm, 3 core, IS 7098 marked, suitable for HT 11 KV(E) system , laid in trenches / ducts / encased in GI pipe / fixed to pole complete all as specified and directed by Engineer-in-Charge. |
| 42 | Supply, laying, jointing testing and commissioning in replacement of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade of cross-sectional area 95 Sqmm, 3 core, IS 7098 marked, suitable for HT 11 KV(E) system , laid in trenches / ducts / encased in GI pipe / fixed to pole complete all as specified and directed by Engineer-in-Charge. |
| 43 | Excavation in trenches, not exc 1.5 m wide and n. exc 1.5 m depth; or n exc 10 Sqm on plan and n exc 1.5 m in depth for foundations of poles, struts, stays etc. or laying underground cable etc. in soft/loose soil, & getting out complete all as specified and directed by Engineer-in-Charge. |
| 44 | Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25cm thick complete all as specified and directed by Engineer-in-Charge |
| 45 | Removal of excavated surplus soil to a distance n.exc 50m and depositing where directed at level not exceeding 1.5 m above the starting point complete all as specified & directed by Engineer-in-charge . |
| 46 | Supply, Laying DWC pipe size 90 mm OD/ 76 mm ID by Excavated Methed complete all as specified and directed . |
| 47 | M & L for jointing and testing heat shrinkable, outdoor type, end termination cable jointing kit, suitable for 11KV under ground earthed system 3 core XLPE cable of size 50 to 95 Sqmm including making connections complete all as specified and directed by Engineer-in-Charge. |
| 48 | M & L for jointing and testing heat shrinkable outdoor type, end termination cable jointing kit , suitable for 11KV under ground earthed system 3 core XLPE cable of size 120 to 240 Sqmm including making connections complete all as specified and directed by Engineer-in-Charge. |
| 49 | M & L for jointing and testing heat shrinkable, Indoor type, end termination cable jointing kit, suitable for 11KV under ground earthed system 3 core XLPE cable of size 50 to 95 Sqmm including making connections complete all as specified and directed by Engineer-in-Charge. |
| 50 | M & L for jointing and testing heat shrinkable Indoor type, end termination cable jointing kit , suitable for 11KV under ground earthed system 3 core XLPE cable of size 120 to 240 Sqmm including making connections complete all as specified and directed by Engineer-in-Charge. |
| 51 | Disconnecting HT & LT side cables of Indoor / outdoor transformer of capacity 25 to 315 KVA plinth mounted / two pole/four pole structure mounted and opening the top cover and indentified the fault at site and repairing minor fault like localized terminal/ lead repair including fault analysis the same including maggering and TTR test to be c/o and test report to be submitted complete all as specified and directed by Engr-in-Charge. Note : (i) Dehydration of transformer oil,replacement of any spare parts etc will be measured & paid separately under relevant items of this schedule.(ii) Contractor has to attend the complaint within 2 hrs. Of intimation telephonically or written either way, otherwise a fine of Rs 200/per hour will be imposed on him. |
| 52 | Disconnecting HT & LT side cables of Indoor / outdoor transformer of capacity 400 to 630 KVA plinth mounted / two pole/four pole structure mounted and opening the top cover and indentified the fault at site and repairing the sameincluding maggering and TTR test to be c/o and test report to be submitted complete all as specified and directed by Engr-in-Charge. Note :Dehydration of transformer oil,replacement of any spare parts etc will be measured & paid separately under relevant items of this schedule. |
| 53 | Shifting of transformer of any type and any capacity upto 630 KVA using hydra/crane of suitable size from existing pole/structure/plinth/store/inside substation and fixing on another pole/structure/plinth including necessary connection to existing HT/LT cables and earthing within AoR of GE SGNR complete all as specified and directed |
| 54 | Taking out and relaying of old UG cable of any size after rectification of fault complete all as spacified and directed by Engineer -in -charge. Note Excavation work and Joints if required will be paid separetly. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Nov 09, 2026
11:30 IST
Tender Published
Tender notice published.
Completed
Nov 16, 2026
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
Upcoming · 4 daysNov 16, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 4 daysNov 17, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 5 daysTender Documents
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