Tender For Repair/ Maintenance Of 33 Kv/ 11 Kv Outdoor Switchyard, Transformers, Ht Switch Gear, Ht Ug Cable/ Oh Line And Allied Works In Dipatoli Mil Stn Under Ge Dipatoli
Tender Value
29.99 Lakhs
Estimated cost
Bid Submission
27 Oct 2026
0 days left
EMD
60000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Ranchi → Jharkhand
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/ Maintenance Of 33 Kv/ 11 Kv Outdoor Switchyard, Transformers, Ht Switch Gear, Ht Ug Cable/ Oh Line And Allied Works In Dipatoli Mil Stn Under Ge Dipatoli
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 20-Oct-2026 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 27-Oct-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | M &L for overhauling/Servicing/preventive maintenence of 33 KV VCB, 400 Amp outdoor type of cleaning isolating contacts ,moving parts removing dust particles from bus bar chamber spout gear mechanism and moving parts,repair to motor charge spring mechanism including greasing of the moving parts,cleaning of the moving/Stationary contact with CTC,Removing of moisture by means of hot air blower,renewal of gaskets,nuts/bolts etc entire trolly components and replacement of all unserviceable spares as required at site and all as directed ,inserting in trolley,testing commissioning and putting on the supply on load complete and as per under mention scope complete all as specified and as directed at site. (i) Examination of auxiliary switches, indicating devices and interlocks to ensure that they are in good order physically. (ii) Check fixed and moving contacts. (iii) Physical checking of Epoxy Housing (iv) Check close & trip coil (v) Checking of control circuit & tighten the connection if any. (vi) Test shall be carried out closing & opening timing test for all three poles (vii) Test shall be carried out IR test with megger- using 5 Kv Meggar (viii) Test shall be carried out contact resistance Kit for all three poles (ix) Caliberation & testing of relay for closing, tripping with necessary current setting as required at site. |
| 2 | M&L for overhauling/Servicing/preventive maintenence of 11 KV VCB, 400/630 Amp indoor door type cleaning isolating contacts ,moving parts removing dust particles from bus bar chamber spout gear mechanism and moving parts,repair to motor charge spring mechanism including greasing of the moving parts,cleaning of the moving/Stationary contact with CTC,Removing of moisture by means of hot air blower,renewal of gaskets,nuts/bolts etc entire trolly components and replacement of all unserviceable spares as required at site and all as directed ,inserting in trolley,testing commissioning and putting on the supply on load complete and as per under mention scope complete all as specified and as directed at site. (i) Examination of auxiliary switches, indicating devices and interlocks to ensure that they are in good order physically. (ii) Check fixed and moving contacts. (iii) Physical checking of Epoxy Housing (iv) Check close & trip coil (v) Checking of control circuit & tighten the connection if any. (vi) Test shall be carried out closing & opening timing test for all three poles (vii) Test shall be carried out IR test with megger- using 5 Kv Meggar (viii) Test shall be carried out contact resistance Kit for all three poles (ix) Caliberation & testing of relay for closing, tripping with necessary current setting. Note:- (i) Spares/ parts required shall be measured and paid separately under supply only items.(ii)The job included all types tools & plants required for satisfactory completion of job. |
| 3 | Note for ser item No 1 and 2: (i) Spares as required for replacement will be of the same company as of existing make or as recommended by the OEM. The contractor/Rep of OEM should visit the site asess the serviceability of parts and list out the unservicceable spare parts for replacement during the preventive maintenance. (ii) Cost of spares will be measured and paid separately under relevantsupply only items. (iii)The job included all types tools & plants required for satisfactory completion of job. |
| 4 | Supply and fix only for replacement of closing coil - 24 V DC suitable for 33 KV VCB 400 Amps as per existing make and model and directed at site. |
| 5 | Supply and fix for replacement of shunt trip coil - 24 V / 30 V DC suitable for 33 KV VCB 400 Amps as per existing make and model and directed at site. |
| 6 | Supply and fix for replacement of closing coil - 24 V DC suitable for 11 KV VCB 400/630/800 Amps as per existing make and model and directed at site. |
| 7 | Supply and fix for replacement of shunt trip coil - 24 V / 30 V DC suitable for 11 KV VCB 400/630/800 Amps as per existing make and model and directed at site. |
| 8 | Supply and fix for replacement of charging Pawl set suitable for 11 KV VCB 400/630/800 Amps as per existing make and model and directed at site. |
| 9 | Supply and fix for replacement of Multifuntion Meter 5 Amps for 11 KV VCB 400/630/800 Amps as per existing make and model and directed at site. |
| 10 | Supply and fix in replacement Epoxy cast CT rating 200-100-50/5+5 Amp, 15 VA , Class 1.0, 5P10 of mould type suitable for 11 KV VCB 630/800 Amps as per existing make and model and directed at site by EIC. |
| 11 | Supply and fix in replacement Vaccum bottle interrupter as per exissting make and model complete all as directed at site. |
| 12 | Supply and fix in replacement of charging motor suitable for 11 KV VCB 220/24 VDC as per existing make and model and directed at site. |
| 13 | Supply and fix in replacement spout for busbar circuit of panel suitable for 11 KV VCB 630/800 Amps as per existing make and model and directed at site. |
| 14 | M&L for servicing of oil type transformer capacity 25 KVA to 250 KVA 11/.433 kV Indoor/out door type of any make by disconnecting of HT bus bar connection and providing electric power to user by alternative arrangement, opening of doors etc complete cleaning of the inside compartment,core and coils by vacuum cleaner incl lead supports,tap changer terminal boards,bushing and other insulated surface be wiped clean with dry cloth and all connections must be checked for tightening after cleaning up to the satisfaction of Engr-in- Charge the transformer must be meggred and connecting all connection and necessary testing complete with under mentioned scope of work. defective part measured and paid under respective item howver fixing charges included.(i) Cleaning of transformer.(ii) Testing the transformer for IR values(iii) Checking/servicing/calibration of WTI for healthiness(iv) Magnetic balance test(v) IR Value check before and after the work(vi) Voltage ratio test at 440 V.(vii) DC logic test(viii) Commissioning of transformer after completion of work. Note :-(i) Test results obtained shall be recorded and produced to the Engr-in- Charge.(ii) All measuring equipments and T&P required shall be arranged by the contractor.(iii) Any item/activity not listed/covered here above and required during/completing the overhauling work will have to be arranged by contractor himself.(iv) The rate quoted shall be deemed to include for disconnection of transformer HV/LV terminations for testing work and re-connections after completion of repair work. |
| 15 | All as per above item for capacity above 250 to 630 kVA |
| 16 | M & L of HT bushing of transformer including metal and rubber parts and replacing with new bushes complete with new metal and rubber parts of any size and shape required for transformer from 25kVA to 250 kVA complete all as specified and as directed. |
| 17 | All as per above item for capacity above 250 to 630 kVA |
| 18 | M & L of LT bushing of transformer including metal and rubber parts and replacing with new bushes complete with new metal and rubber parts of any size and shape required for transformer from 25kVA to 250 kVAcomplete all as specified and as directed. |
| 19 | All as per above item for capacity above 250 to 630 kVA |
| 20 | S&F PT 33 KV outdoor type single Phase oil cooled PT of ratio 33/rt3/110/rt3/110rt3 class 0.50-3, burden 50 VA, insulation level 70/170 KV voltage factor 1.2 Cont and 1.9 for 30 second confirming to IS 3156 including taking down old unserviceable PT complete all as specified and directed. |
| 21 | S&F CT 33 KV outdoor type single Phase oil immersed self cooled having CT ratio 50/1 with copper double wound dual ratio as per IS 2705 accuracy class-I burden 15 VA separate core for metering & separate core for protection duly calibrated according to load including taking down existing old unserviceable complete all as specified and directed. |
| 22 | M&L for overhauling/Servicing/preventive maintenence of 33 kV CT complete all as directed by Engr-in-Charge. |
| 23 | M&L for overhauling/Servicing/preventive maintenence of 33 kV PT complete all as directed by Engr-in-Charge. |
| 24 | S&F in replacement Pin type insulator porcelain, vitreous white, brown or green of 150 mm height & 150 mm dia including one galvanised mild steel spindle, two galvanised iron washer and one galvanised iron nut suitable for working pressure 11000 volts including taking down existing unserviceable of any type/ height/ make etc and removing from site complete all as specified and directed. |
| 25 | S&F in replacement Post type insulator porcelain, vitereous white brown or green of 145 mm height & 255 mm dia ball and socket type suitable for working pressure 33000 volts complete all as specified & directed. |
| 26 | S&F in replacement single disc porcelain, vitreous white/ brown insulator 255 mm dia and 145 mm height assembly for tension with tension clamps for conductor working pressure 11000 volts including taking down existing unserviceable of any type/ make etc and removing from site complete all as specified and directed. |
| 27 | S&F in replacement of silica gel breather assembly for power transformers 33/11 KV 3.15 MVA capacity. |
| 28 | S&F in replacement of drop out fuse unit explusion type for out door air break gang operating switch single pole mounting on and including insulators for 11 KV working pressure fixed to and including MS Channel with nuts & bolts and washers etc synthetic bounded fuse carring tube complete with line tap suitable for current carring capacity upto 200 Amps complete all as specied & directed. |
| 29 | Repair of 11 KV / 0.433 KV transformer up to 630 KVA by Opening the inspection cover / top cover, decanning of the transformer oil up to the required level for replacement of top gasket, stud leakage from the shell and replacement of gasket to avoid leakage of oil refilling back to existing oil into the transformer complete all as specified and directed.Note:- HT / LT bush will be measured and paid separately under relevant item. |
| 30 | M&L for disconnecting loading, unloading and transportation for shifting of transformer of any capacity and type from one location to another within the army area by wheeled crane incl. connecting complete necessary electrical connection, installation, testing and commissioning of repaired/serviced transformer complete all as specified directed by Engr-in-Charges. |
| 31 | Supply and Fix for incorporated to the repair of transformer off load tap changer switch of existing model / type of transformer of capacity 25 to 630 kVA complete all as specified and as directed.. |
| 32 | M&L for dehydration/centrifuging of transformer oil minimum 3 cycles to achieve dielectric strength 50 kV in 2.5 mm gap electrode with centrifuging machine at site and testing of transformer oil before and after de- hydration complete all as specified and as directed at site. |
| 33 | M&L for topping up/replacement of transformer chamber and conservator with new transformer oil upto a required level ( 50 KV di-electric strength in 2.5 mm gap electrode to with stand for one minute) in any type and capacity of transformer complete all as specified and directed at site. |
| 34 | M&L re-windings of HT distribution transformers of any capacity / size/ type by strip opening of HV/LV coils from core assembly safely, unwinding the HV/LV coils and including removing the old defective insulation paper, rewinding with new copper wire of same gauge and existing size together with new DPC insulation to the copper conductor, varnishing of the windings, heating/ drying/ backing complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance, testing commissioning the transformer and recording the test results etc, complete all as specified and directed. |
| 35 | Supply and fix in replacement of silica gel complete all as specified and as directed . |
| 36 | S&F in replacement of top cover gasket of transformer suitable for any type/make/capacity upto 630 KVA(made up of cork sheet 5 mm thick) complete all as specified and directed at site. |
| 37 | Taking down defective transformer upto 250 KVA capacity from pole/structure/sub station after disconnecting the existing connection complete and removing to sub station then transporting the same to a reputed work shop for repairs.After repairing the same transporting back the repaired transformer (including loading and loading) to the directed location. After installing the transformer connection of LT and HT shall be done complete all as specified and as directed . |
| 38 | Attending any breakdown immediately of 33/11 kV power transformer by OEM service engineer to check and repair /replace any spares related break down and make the power transformer serviceable complete all as specified and directed at site.Note :-(i) Spares will be paid separately under relevant items.(ii) Checking of all electrical connection for its proper tightness.(iii) Proper care shall be taken to isolate the supply and it shall be ensured that repairs are carried out on No LIVE switch gears.(iv) Each switch gear/Load break switch/breaker shall be counted as a separate unit for the purpose of measurement. |
| 39 | Attending any breakdown immediately of 25 kVA to 200 kVA transformer by OEM service engineer to check and repair /replace any spares related break down and make the transformer serviceable complete all as specified and directed at site.Note :(i) Spares will be paid separately under relative items.(ii) Checking of all electrical connection for its proper tightness.(iii) Proper care shall be taken to isolate the supply and it shall be ensured that repairs are carried out on No LIVE switch gears.(iv) Each switch gear/Load break switch/breaker shall be counted as a separate unit for the purpose of measurement. |
| 40 | All as per above item for capacity above 200 to 630 kVA |
| 41 | Dismantling /taking down old unserviceable 33/11 KV Air break gang operated switches vertical/horigontal mounted including insulators and operating mechanism for insulators and operating mechanism for repair/replacement of broken/worn out components and insulators etc complete all as specified and directed at site. |
| 42 | S&F air break switch (GOD) vertical/horizontal, double break type triple pole mechanically operated mounted on double insulartors and steel frame with operating mechanism linked with ground level operating GI rod 25mm dia medium grade. GOD suitable for current rating upto 400 amps and suitable for HT 11 KV including connecting complete with locking arrangement complete all as specified and as directed. |
| 43 | S&F in replacement lightening arrestor non linear, pole type MCOV 11 KV discharge capacity 65 KA, with all fittings suitable for 11 KV electric working pressure including strap, bolts, nuts and washers etc complete all as specified and as directed. |
| 44 | Taking down and repairing/overhauling of air break gang operated switch with DO fuse unit 11 KV/ 33 KV rating 200 Amp/400 Amp capacity triple pole mechanically operated mounted on insulators and steel frame installed vertically / horizontally , replacement of broken/worn-out components, oiling and greasing of mechanical moving parts, smoothing and polishing of electric contacts with providing conducting jelly of contacts refixed the same after repair including proper alignment complete all as specified and as directed. (Note:- Worn out component/ insulators / ASCR shall be measured and paid separately under respective items of this schedule.) |
| 45 | Supply only Female contact or fixed contact heavy duty and high conductive metal complete capacity 200A/400 Amp, 11 KV rated. |
| 46 | Supply only Male contact or Moving contact heavy duty and high conductive metal complete capacity 200A/400Amp 11 KV. |
| 47 | Taking down/dismantling HT PCC/steel tubular poles ,studs,insulator including V clamp,cross arms , earth wire support etc |
| 48 | M&L Steel tubular swaged poles complete with cast iron base plate,finial taper plug,bolts,nuts & screws as specified type 410 SP-55 ( 11.00 Meters long) complete all as specified and directed at site. |
| 49 | M&L for painting of HT poles up to 11 mtr long including channels with aluminium paint two coats incl base paint strips and pole numbering with synthetic enamel paint of approved colour all as shown & directed. |
| 50 | M&L painting of 4 pole structure of any type/size/length and removing from existing pole painting by using wire brush and using with emary paper and cleaning with chemical agents after cleaning of steel tubular pole and GI brackets and cross arms in two coats of red oxide primer and two coats of silver oil painting upto smooth finishining and painting to satisfactorly by engr-in-charge and painting work carryout at any height and including marking of pole number as directed and safety eqpts & tools will be contractor's own arrangement and complete all as specified and directed. |
| 51 | M&L painting of 2 pole structure of any type/size/length and removing from existing pole painting by using wire brush and using with emary paper and cleaning with chemical agents after cleaning of steel tubular pole and GI brackets and cross arms in two coats of red oxide primer and two coats of silver oil painting upto smooth finishining and painting to satisfactorly by engr-in-charge and painting work carryout at any height and including marking of pole number as directed and safety eqpts & tools will be contractor's own arrangement and complete all as specified and directed. |
| 52 | Material & Labour cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 sqmm to 95 sqmm complete all as specified and directed at site. |
| 53 | Material & Labour cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 sqmm to 95 sqmm complete all as specified and directed at site. |
| 54 | Material & Labour cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 sqmm to 95 sqmm complete all as specified and directed at site. |
| 55 | Material & Labour cable jointing kit for 33 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 300 sqmm complete all as specified and directed at site. |
| 56 | Material & Labour cable jointing kit for 33 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 300 sqmm complete all as specified and directed at site. |
| 57 | Material and labour XLPE insulated ,screened ,PVC bedded,galvanised steel strip or wire armoured,electric power cables (heavy duty) with aluminium conductor,11000 volts(Earthed),grade cross sectional area 300 sqmm 3 core |
| 58 | Taking down or up UG HT Cable including cable cover laid in trenches/ cable duct or connection to HT panel /GOD and removing from site and transporting to store for safe custody for reuse or for issue under Sch of Credit all as specified and directed at site including patrolling the complete length and inspecting for any punctures,blow holes,damages and meggering all the cables ,removing the damaged portion all as directed by EIC at site |
| 59 | Relaying the HT cable obtain from item No. 54 any capacity any size complete all as specified and directed at site. |
| 60 | Material and labour XLPE insulated ,screened ,PVC bedded,galvanised steel strip or wire armoured,electric power cables (heavy duty) with aluminium conductor,11000 volts(Earthed),grade cross sectional area 95 sqmm 3 core |
| 61 | Excavation in trenches not exc. 1.5 m wide and not exec 1.5 mtr in deep for foundation etc.or for shafts,wells,cesspits,mainholes,pierholes etc.in any type of soil for foundation and getting out and levelling of bottom surface to required level all as specified and directed by Engineer-in- Charge. |
| 62 | Material and labour for river washed and screened ,dry sand for filling in trenches/sub stations below and around underground cables for cushioning of cables etc complete all as specified. |
| 63 | Returning filling including leveling,watering and well ramming soil in layers not exceeding 1.5 m above the starting level. |
| 64 | Removing the excavated materials not exceeding 50 m and depositing where directed at level not exceeding 1.5 m above the starting level. |
| 65 | Supplying and laying unreinforced precast cement concrete cable covers, Class HV, Type- 1, Flat, size 300 mm x 180 mm x 40 mm in trenches for cable protection, embossed with \\"HT ELECTRIC\\" on the top surface complete all as specified and as directed by the Engineer - in - Charge. |
| 66 | Relaying the HT cable cover obtain from ser item No. 58 any capacity any size complete all as specified and directed at site. Please Enable Macros to View BoQ information |
| 67 | Relaying the HT cable cover obtain from ser item No. 58 any capacity any size complete all as specified and directed at site. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 20, 2026
11:30 IST
Tender Published
Tender notice published.
Completed
Oct 27, 2026
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
CompletedOct 27, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedNov 03, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
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