Tender For Repair/Replacement Of Ht Installation Including Servicing Of Transformers, Vcb/Rmu, Ht Cables, Panels Etc Under Ge (Navy) Chennai
Tender Value
20 Lakhs
Estimated cost
Bid Submission
02 Sep 2026
10 days left
EMD
40000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Chennai → Tamil Nadu
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/Replacement Of Ht Installation Including Servicing Of Transformers, Vcb/Rmu, Ht Cables, Panels Etc Under Ge (Navy) Chennai
BOQ
| Sl. No. | Item Description |
| 1 | SCHEDULE 'A' PART-I [ E/M WORKS] |
| 2 | Repair/Maintenance of LT Panel board / APFC panel any type and size by cleaning and removing of carbon particles, replacement of burnt out busbar complete and tightening of all joints in bus bar, earthing etc and welding of broken doors including replacement of u/s nuts/bolts/washers and replacement of corroded glands, lugs/ thimbles and tightening them properly and testing including painting complete all as directed by Engr-in-charge. Note:- Spare parts for LT / APFC panel will be measured and paid separately.as per requirment complete all as directed. |
| 3 | Repair/Maintenance of HT VCB’s including disassembling of operating mechanism parts, well cleaning with petrol CTC 226, replacing unserviceable parts and accessories like spring, gasket, coils, nuts, bolts and washers etc, oiling and greasing of moving parts, re-assembling, fine setting of mechanism, well cleaning and de-carbonizing of arc control pot, fixed and moving contact including checking testing, tripping check of HT VCB’s making perfect operational in manual and electric mode including maintenance and well cleaning the complete, replacing unserviceable parts and components etc and complete calibration and setting as per fault level of HT VCB’s relay11 KV with suitable instrument including T&P etc complete all as directed. Note:- Spare parts for VCB will be measured and paid separately as per requirement. |
| 4 | Repair/Maintenance of compact sub station of 630 Amps/21 KA 3 Sec non extensible ring main unit including Dry type transformer 315 KVA Copper Wounded and inbuilt LT panel, checking the servicbility of HT VCB and disassembling of operating mechanism parts, well cleaning with petrol CTC 226, replacing unserviceable parts and accessories like spring, gasket, coils, nuts, bolts and washers etc, oiling and greasing of moving parts, re-assembling, fine setting of mechanism, well cleaning and de-carbonizing of arc control pot, fixed and moving contact including checking testing, tripping check of HT VCB’s making perfect operational in manual and electric mode including maintenance and well cleaning the complete, replacing unserviceable parts and components etc complete all as directed. Note:- Spare parts for CSS/VCB will be measured and paid separately. |
| 5 | Supply and fix in replacement the following items including taking down the unserviceable items :- |
| 6 | Digital ammeter flush type 96 sqmm with suitable fixing arrangement for easily fixing in existing LT panel including necessary wiring. |
| 7 | Digital voltmeter flush type 96 sqmm with suitable fixing arrangement for easily fixing in existing LT panel including necessary wiring. |
| 8 | Indicator lamp assembly LED type (RYB) in existing LT panel with suitable wiring and volts. |
| 9 | LT RG tape wounded current transformer up to 200/5, 10 VA with suitable connection and testing all as directed. |
| 10 | LT RG tape wounded current transformer up to 250/5, 10 VA with suitable connection and testing all as directed. |
| 11 | Selector switch 2/3 way and off type including necessary connection and testing all as directed. |
| 12 | Capacitor bank long life 3 phase 440 volts of capacity 5 KVAr (Resin filled) all as directed. |
| 13 | Capacitor bank long life 3 phase 440 volts of capacity 10 KVAr (Resin filled) all as directed. |
| 14 | Capacitor duty contactor for APFC pannel 3 phase 440 v operating coil voltage 240 volts,32 Amps all as directed. |
| 15 | Spring Bushing for VCB breakar ON and OFF mechanism in existing VCB panel complete all as specified and directed. |
| 16 | HRC Fuse of 10 Amps rated capacity suitable for HT VCB Panel complete all as specified and directed. |
| 17 | Heater suitable for HT VCB Panel complete all as specified and directed. |
| 18 | Name plate suitable for Incoming and Out going HT VCB Panel complete all as specified and directed. |
| 19 | Supply and fixing including taking down unserviceable item of 11 KV Epoxy resin cast indoor gun type single phase potential transformer ratio 11 KV/ 3 Accuracy class-0.5 and 3 P, burden-10 A 50 Hz, bill-12/28 and VF-1.2 Cont 1.9 or 8 hrs with PT fuse 3.15 Amp suitable for existing 11 KV VCB make Crompton 630 Amp.complete all as directed by engr in charge. |
| 20 | M & L for manual scraping of old painted surface and providing spray painting as per existing colour with one coat of synthetic enamel paint on outer surface of incoming and outgoing of VCB including writing SM No and MES No. on VCB Body, complete all as directed by Engineer-In-Charge. |
| 21 | Material and labour for Painting of transformer 11KV/433V of Capacity 500 KVA to 315 KVA Indoor/Outdoor type with two coats of synthetic enamel grey paint after cleaning and scraping of old paint, oil, rust etc complete including writing SM Nos with white synthetic enamel paint complete all as specified and as directed by Engineer - in - charge. |
| 22 | Material and labour for locating under ground cable fault (HT ) within 06 hrs including Sunday or any holiday using cable fault locator machine taking all necessary precautions as directed by Engr-in-charge.Note : If fault not located by the contractor within specified time a recovery of an amount of Rs. 2000/- will be recovered per day. |
| 23 | Material and labour for locating under ground cable fault (LT ) within 06 hrs including Sunday or any holiday using cable fault locator machine taking all necessary precautions as directed by Engr-in-charge.Note : If fault not located by the contractor within specified time a recovery of an amount of Rs. 2000/- will be recovered per day. |
| 24 | Supply and fix in replacement (GOD )Triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps for HT 11 KV complete all as specified and directed. |
| 25 | Dismantling of old and unservicable cross arms and M&L for cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers,welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated, with & inclusive of one coat red oxide primer & one under coat and one finishing coat of synthetic enamel paint after preperation of surfaces all as specified, and as directed by Engr-in-charge. |
| 26 | Supply of LT Bushing rod with insulator of suitable size for transformer of capacity up to 500 KVA all as specified and as directed by Engr-in-charge. |
| 27 | Supply & fix in repair only non metal Part- HV bushing complete with packing for transformer of capacity up to 500 KVA and for working pressure 11 KV complete all as specified and as directed by Engr-in-charge. |
| 28 | Supply & fix in repair HT Bushing rod of suitable size for transformer of capacity up to 500 KVA all as specified and as directed by Engr-in-charge. |
| 29 | Supply & fix Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100mm height, 65mm dia for 1100 volts grade complete all as specified and as directed by Engr-in-charge. |
| 30 | Supply and fixing Vaccum Interruptor , single phase, 11 Kv complete with gas as per existing in system all as directed by Engr-in-charge. |
| 31 | Supply and fixing power pack with battery back up suitable for HT VCB 11 KV input voltage 230/110 AC, Output 24/30/48/110/220 V DC , back up 15-20 minutes with LED Indicator all as dirrected by Engr-in-charge |
| 32 | Supply and fixing digital protective relays 3 phase over current and earth fault (2 No + 2NC output contact) with high set, CT rating 5A, field selectable 20-110V supply, in replacement of existing panel including addition/alteration as required at site including testing and calibration complete all as directed. |
| 33 | Supply & fixing in replacement power factor controller relay 8 step 415 Volts, AC,50 Hz to automation to power capacitor including replacement of control wring as required at site including addition/alteration if required. |
| 34 | M & L for earthing complete with galvanised steel plate earth electrode 600X600X6mm thick buried directly in ground (earth pit not less than 2.25 meter below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to GI strip 32x6 mm at two points by means of bolts and nut, check nut and washers including charcoal dust, common salt, necessary excavation in hard/dense soil, returning filling in and removal of surplus soil to a distance up to 50metres, PCC pit in 1:3:6 type C1 (using 20mm grade stone aggregate) RCC 1:2:4 type B-1 (using 20mm grade stone aggregate ) 50mm thick pit cover, reinforced with 8mm dia TMT bars 75mm c/c, both ways MS handle 12mm dia, GI funnel, wire mesh and watering pipe of 20mm bore GI (light grade) and earth lead protection pipe 40mm bore (light grade) all as specified, directed and shown in electrical plate No 3 of SSR Part-I including testing complete. Note : GI strip and protection pipes 40 mm GI light grade up to 7.5 metre is included in unit rate and beyond that the same will be measured separately. Please Enable Macros to View BoQ information |
| 35 | M & L for earthing complete with galvanised steel plate earth electrode 600X600X6mm thick buried directly in ground (earth pit not less than 2.25 meter below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to GI strip 32x6 mm at two points by means of bolts and nut, check nut and washers including charcoal dust, common salt, necessary excavation in hard/dense soil, returning filling in and removal of surplus soil to a distance up to 50metres, PCC pit in 1:3:6 type C1 (using 20mm grade stone aggregate) RCC 1:2:4 type B-1 (using 20mm grade stone aggregate ) 50mm thick pit cover, reinforced with 8mm dia TMT bars 75mm c/c, both ways MS handle 12mm dia, GI funnel, wire mesh and watering pipe of 20mm bore GI (light grade) and earth lead protection pipe 40mm bore (light grade) all as specified, directed and shown in electrical plate No 3 of SSR Part-I including testing complete. Note : GI strip and protection pipes 40 mm GI light grade up to 7.5 metre is included in unit rate and beyond that the same will be measured separately. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 12, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 02, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 10 daysSep 04, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 12 daysTender Documents
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