Tender For Repair/ Maintenance Of Transformer, Gods And Ht Switchgears And Allied Works At Af Stn Naliya Under Ge (Af) Naliya
Tender Value
35 Lakhs
Estimated cost
Bid Submission
30 Oct 2026
1 days left
EMD
70000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Kachchh → Gujarat
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/ Maintenance Of Transformer, Gods And Ht Switchgears And Allied Works At Af Stn Naliya Under Ge (Af) Naliya
BOQ
| Sl. No. | Item Description |
| 1 | Excavation in trenches in soft/loose soil not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for laying of cables and getting out of excavated material complete all as specified and directed by Engineer-in-Charge. Note: Old serviceable PCC/RCC cable covers will be taken out for relaying and paid under separate items. |
| 2 | Returning, filling in, including spreading, levelling, watering and well ramming in layer not exceeding 25cm thick each complete all as specified and directed by Engineer-in-Charge. |
| 3 | Removing excavated soil to a distance not exceeding 50 meter and depositing where, directed at a level not exceeding 1.50 meter above the starting point complete all as specified and directed. |
| 4 | M & L for river bed fine sand in trenches/ ducts 15 cm under cable and 8 cm above the cable for cushioning/protection to cable including spreading, leveling and get thick 18cm after hand punning complete all as specified and directed at site. Note: Punned thickness shall be measured for payment purpose. |
| 5 | Supply and laying in repair factory made precast unreinforced concrete cable covers Class HV, type 1 flat of size 300mm x 180mm x 40 mm for HT cable all as specified. |
| 6 | Relaying old retrieved precast concrete cable covers vide item above Class HV, type 1 flat of size 300mm x 180mm x 40 mm for HT cable all as specified. |
| 7 | Taking out old unserviceable HT/LT cable of any size any type from trench/poles etc and keeping aside for segregation of serviceability. Serviceable cable will be re-laid at same place or other place as required complete as directed. |
| 8 | S & F HT 11 KV 3 core 95 Sqmm cable in trenches/fixed to poles/wall, XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable (HT), heavy duty with aluminum conductor, all as specified and directed by EIC.Note: Excavation, earthwork, cable joints, sand cushioning & cable cover will be measured and paid separately if required |
| 9 | All as per item No.8 above but of size 3 core 185 sqmm |
| 10 | Relaying the serviceable HT 11 KV 3 core 95/120 sqmm of size cable in trenches/fixed to poles/wall, XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable (HT), all as specified and directed by EIC.Note: Excavation, earth work, cable joints, sand cushioning & cable cover will be measured and paid separately. |
| 11 | Supply, jointing and testing in repair indoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV / underground electric cable, XLPE cable of size 240 sqmm textra terminal length as required on ground complete all as directed. |
| 12 | Supply, jointing and testing in repair indoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV / underground electric cable, XLPE cable of size 120 sqmm to 185 sqmm extra terminal length as required on ground complete all as directed. |
| 13 | Supply, jointing and testing in repair outdoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV /underground electric cable, XLPE cable of size 240 sqmm, extra terminal length as required on ground complete all as specified. |
| 14 | Supply, jointing and testing in repair outdoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV /underground electric cable, XLPE cable of size 120 to 185 sqmm, extra terminal length as required on ground complete all as specified. |
| 15 | Supply, jointing and testing in repair of cable joint kit of 11 KV grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminum conductor cable of size 120 sqmm to 185 sqmm, complete all as specified. |
| 16 | Supply, jointing and testing in repair indoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV /underground electric cable, XLPE cable of size 95 sqmm extra terminal length as required on around complete all as specified. |
| 17 | Supply, jointing and testing in repair outdoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV /underground electric cable, XLPE cable of size 95 sqmm, extra terminal length as required on ground complete all as specified. |
| 18 | Supply, jointing and testing in repair of cable joint kit of 11 KV grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 95 sqmm, complete all as specified. |
| 19 | Supply and laying in repair galvanized steel water tubing, light grade, IS-1239 marked with all fittings (IS marked) and laid in trenches / under roads / in drains / fixed to poles/walls (with required size flat iron clamp bolts, nuts and washers) pipes of the size 80 mm bore complete all as specified and directed. |
| 20 | S & F in repair Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled 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, 25x20 cm size all as specified and directed. Note: Text printing must be done both in English & local language with clear legible notice. |
| 21 | Supply, install, testing and commissioning of gang operated dropout switch air-break, triple pole off load switch with drop out fuse set insulator, mounted on channels outdoor, vertical mounting type breakers HT 11 KV, 50 Hz of rating 200 Amps, ISI marked, mechanically operated, mounted on insulators and frame work with operating mechanism worked from ground level with adequate length of GI pipe 32 mm dia medium grade, and locking arrangements, complete with fuse mounts, fuse carriers and HT fuse elements having 30 Amp rating suitable for including necessary electric connections complete all as specified. |
| 22 | M & L for servicing, oiling, greasing of gang operated dropout switch air-break, triple pole off load switch with drop out fuse set insulator, mounted on channels outdoor, vertical mounting type breakers HT 11 KV, 50 Hz of rating 400 Amps, ISI marked, mechanically operated, mounted on insulators and frame work with operating mechanism worked from ground level with adequate length of GI pipe 32 mm dia medium grade, and locking arrangements, complete with fuse mounts, fuse carriers and HT fuse elements having 30 Amp rating suitable for including necessary electric connections complete all as specified. |
| 23 | M & L for ON load centrifuging and dehydration including filteration and cleaning of transformer oil by dehydration machine electric operated without any shutdown of transformer including testing oil sample before and after dehydration and filteration oil as specified and directed. Note: (i) Transformer oil required for top up shall be measured and paid for separately. Oil test report shall be submitted for before and after dehydration to Engr-in-charge. (ii) Contractor have to arrange the dehydration machine and testing kit from his own resources without any extra cost. Contractor shall use mobile filteration plant with alll accessories for different locations. |
| 24 | M & L for toping up of transformer oil in transformers, having die electric strength not less than 45 KV (at 2.5 mm gap) high voltage as per IS specification of low viscosity. Make: Powerlink/Power-oil /Savita. Note: Dielectric strength test should be carried out by the contractor at site before pouring/filling in oil in transformers. The oil found with under specification will not be accepted. |
| 25 | M & L for rewinding of HT coils with copper wire DPC/super enameled high quality matching with existing gauge and impedence including requisite insulating paper/material in each layer of winding after taking down old existing winding of HT coils complete.Note: The rate quoted against these items is inclusive necessary provision and cost of all types of insulating materials and heating/ varnishing etc. |
| 26 | Disconnecting HT/LT electric connection of Outdoor/indoor transformer of capacity upto 1000 KVA by opening of top cover and draining out oil from transformer upto bushing level and rectify minor repair inside or outside of the transformer like tightening LT or HT bushing, oil leakage from LT bushing etc at site.Note: Rate is deemed to be inclusive of crane for lifting and man power etc. Transportation shall be paid under separate item. |
| 27 | Draining out complete oil from transformer of capacity up to 630 KVA at site which found major repair and storage the oil in suitable dry container and lifting of core assembly by opening of top cover and other items for inspection and lowering/fixing of core assembly in its original position after inspection to make it ready for transportation to carry out rewinding work in workshop. Note: (i) Rate is deemed to be inclusive of crane and man power for lifting (ii) container to be provided by the contractor to keep aside for re-use. (iii) Transportation shall be paid under separate item. |
| 28 | Transportation of unserviceable transformer of upto 1000 KVA capacity to workshop and return back for installation on its original position/location after repairing/maint./rewinding from workshop.Note: (i) Rate is deemed to be inclusive of transportation, T&P and man power. (ii) Major items required for maint and winding work shall be measured and paid separately under relevant item (iii) Repairing of transformer have to be completed within 25 days duration. (iv) In case the defective/ unserviceable transformer not repaired & installed on its site within the specified period of 25 days from the date of handing over to contractor; a panel recovery @ Rs.1000/- per day will be charged from his dues for the delay. |
| 29 | M & L for Removing the lamination in proper manner carefully for taking out serviceable/ unserviceable HT/LT coils from the limbs of transformer upto 750 KVA capacity. |
| 30 | M & L for inserting of HT/LT coils on limbs rewinded here in before/old after cleaning of lamination in proper way and also after insulating the limbs with requisite insulating materials on limbs in between limbs/coils upto 750 KVA capacity transformer complete all as specified and directed. |
| 31 | M & L for baking the core assembly in the over duly varnishing the coil to improve IR value and to eliminate moisture content upto 750 KVA capacity transformer complete. |
| 32 | M & L for inserting the core assembly after baking in the tank (before inserting tank to be cleaned by removing all deposit sludge etc including drying) and making connection with HT/LT bushing studs and closing the tank top cover by fixing of suitable size of nut, bolts and washers. (Top cover gasket will be measured and paid separately). |
| 33 | S & F in repairs porcelain transformer bushing on HT 11 KV including brass studs conical bush and gasket for indoor/outdoor transformer of capacity 63 KVA to 750 KVA complete all as specified and directed by Engr-In-Charge. |
| 34 | S & F in repairs porcelain transformer bushing on LT 1100 V including brass studs conical bush and gasket for indoor/outdoor transformer of capacity 63 KVA to 750 KVA complete all as specified and directed by Engr-In-Charge. |
| 35 | S & F in renewal of silica gel breather assembly with vent pipe and new silica gel suiatble for indoor/outdoor transformer of capacity 63 KVA to 1000 KVA. |
| 36 | S & F in repair Top cover gasket made up of 5 mm thick cork sheet complete all as specified and directed by EIC. |
| 37 | M & L in repair for replacement of 90 degree lug boot for HT terminals on each phase for protection of the HT terminals from moisture/dust etc complete all as specified and as directed. |
| 38 | S & F in replacement silica gel for transformer complete all as directed. |
| 39 | S & F in replacement of defective tap changer with tapping arrangement 2.5% & 7.5% on normal tapping complete for transformer of capacity up to 750 KVA. |
| 40 | Shifting of serviceable/unserviceable transformer of any capacity from one place to another place (indoor/outdoor) for repair/maint of existing transformer. Note: The rate quoted is deemed to be included all as transportation cost, earthing leads lifting/lowering arrangement, labour etc for transformer of capacity up to 630 KVA. |
| 41 | M & L for preparation of old painted surfaces of steel by brushing/cleaning stain, greasy spots with thinner applying two coats of spray painting (synthetic enamel paint) on outside with spraying machine to transformer indoor/outdoor/ fixed on. poles or in Sub Station at different location after disconnecting of HT supply from incoming and LT supply from outgoing of capacity 100 KVA to 750 KVA and including writing letter in block English letter 100 mm size with white synthetic enamel paint details as given below:-(i) MAKE (ii) CAPACITY (iii) SRL NO /SM No. _____ |
| 42 | M & L for in repair brass/GM gate valve (drain valve) of 25mm bore or suitable for 100 KVA to 630 KVA capacity transformer and provided necessary rubber packing to stop leakage after taking down old existing brass drain valve complete. Please Enable Macros to View BoQ information |
| 43 | M & L for in repair brass/GM gate valve (drain valve) of 25mm bore or suitable for 100 KVA to 630 KVA capacity transformer and provided necessary rubber packing to stop leakage after taking down old existing brass drain valve complete. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 08, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 30, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 1 dayNov 02, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 4 daysTender Documents
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