Tender For Construction Of 220 Kv Bay At Sonapur
Tender Value
7.30 Crore
Estimated cost
Bid Submission
22 Jul 2026
5 days left
EMD
35 Lakhs
Bank guarantee accepted
Document Fee
5000
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Kamrup Metro → Assam
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Construction Of 220 Kv Bay At Sonapur
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 08-Jul-2026 | Terms of payment | Technical Bid | 22-Jul-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | Outdoor equipment along with Pipe/Lattice structures |
| 2 | 216KV, 10kA, LA (Polymeric type) complete with Surge Counter, leakage current meter, hardware fittings, clamps & connectors, support structures, foundation nuts and bolts as per requirements and as per specification |
| 3 | 245KV, 3150A, 50kA for 3 sec, Horizontal Double Break type Isolator with double earth switch complete with manual and motor driven operating mechanisms along with Support Insulators(Polymeric type), Clamps & Connector, mounting structures, foundation nut bolts etc as required |
| 4 | 220kV, 4400pF, 3 Wdg CVT, complete with hardware fittings, clamps & connectors and Junction Box with pipe/Lattice support structure, foundation nuts and bolts etc as required |
| 5 | Clamps & Connectors as per requirement |
| 6 | ACSR MOOSE as per site requirement |
| 7 | GIS Equipments |
| 8 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Line bay Module as per technical specification |
| 9 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Bus bar Module each enclosed in bus bar enclosures running along the length of the switchgear to interconnect each of the circuit breaker bay including extension adaptor modules in Double Bus Bar configuration as per technical specification alongwith Bus Extension module with all necessary arrangements for interfacing with the present GIS in Double Main configuration. |
| 10 | 245kV, 50kA for 3 sec, SF6 to Air Bushing along with termination module & support structure for outdoor connections to connect GIS with 245kV side of Power transformer and overhead lines. |
| 11 | 245kV, 50kA for 3 sec, SF6 Gas Insulated Bus Duct (GIB) single phase from respective GIS bay module up to SF6 to Air bushings including required support structures, jointing elements and other accessories for Line bays as per site requirement. (for both indoor and outdoor of GIS) |
| 12 | Earthing |
| 13 | Earthing Conductor: 75X 12 Mm GS (HDG) Flat For equipment and structure earthing |
| 14 | Earthing Conductor: 50X10Mm GS(HDG) Flat For Riser For Console Box,Lt Panels,Dc Panels,Marshalling Boxes, Cable Trenches Etc) |
| 15 | Earthing Device & Associated Accessories (50 Mm dia Heavy Duty GI Perforated Pipe 3 Mtrs Long For Treated Earth Pit with CI Cover. |
| 16 | Earthing Device & Associated Accessories 40Mm dia MS Rod 3 Mtrs Long For Non Treated Earth Pit with CI Cover. |
| 17 | 75X10mm, 65x12mm,65x10mm,50x8 mm, 50x6 mm and 25x6mm GS Flat as per site requirement |
| 18 | Satelite/ Auxiliary earthmat as per site requirement |
| 19 | Other Earthing Accessories ( required for complete earthing of the entire switchyard and the buildings and GIS) |
| 20 | LT Power Cable (1.1kV grade XLPE copper) |
| 21 | 2Cx1.5 sqmm |
| 22 | 2Cx6 sqmm |
| 23 | 4Cx2.5 sqmm |
| 24 | Cable supports and other cable acessories |
| 25 | LT Control Cable (1.1kV grade XLPE copper) |
| 26 | 4Cx2.5 sqmm |
| 27 | 7Cx1.5 sqmm |
| 28 | 12Cx1.5sqmm |
| 29 | 19Cx1.5sqmm |
| 30 | Cable supports and other cable accessories |
| 31 | Miscellaneous item(like stringing of conductor, MS Channel,Angle, Rail, Chequered plate,MS Grill plate,Switchyard and Bay Identification Name board, Anchor fastner etc…as per site requirement) |
| 32 | Outdoor equipment along with Pipe/Lattice structures |
| 33 | 216KV, 10kA, LA (Polymeric type) complete with Surge Counter, leakage current meter, hardware fittings, clamps & connectors, support structures, foundation nuts and bolts as per requirements and as per specification |
| 34 | 245KV, 3150A, 50kA for 3 sec, Horizontal Double Break type Isolator with double earth switch complete with manual and motor driven operating mechanisms along with Support Insulators(Polymeric type), Clamps & Connector, mounting structures, foundation nut bolts etc as required |
| 35 | 220kV, 4400pF, 3 Wdg CVT, complete with hardware fittings, clamps & connectors and Junction Box with pipe/Lattice support structure, foundation nuts and bolts etc as required |
| 36 | Clamps & Connectors as per requirement |
| 37 | ACSR MOOSE as per site requirement |
| 38 | GIS Equipments |
| 39 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Line bay Module as per technical specification |
| 40 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Bus bar Module each enclosed in bus bar enclosures running along the length of the switchgear to interconnect each of the circuit breaker bay including extension adaptor modules in Double Bus Bar configuration as per technical specification alongwith Bus Extension module with all necessary arrangements for interfacing with the present GIS in Double Main configuration. |
| 41 | 245kV, 50kA for 3 sec, SF6 to Air Bushing along with termination module & support structure for outdoor connections to connect GIS with 245kV side of Power transformer and overhead lines. |
| 42 | 245kV, 50kA for 3 sec, SF6 Gas Insulated Bus Duct (GIB) single phase from respective GIS bay module up to SF6 to Air bushings including required support structures, jointing elements and other accessories for Line bays as per site requirement. (for both indoor and outdoor of GIS) |
| 43 | Earthing |
| 44 | Earthing Conductor: 75X 12 Mm GS (HDG) Flat For equipment and structure earthing |
| 45 | Earthing Conductor: 50X10Mm GS(HDG) Flat For Riser For Console Box,Lt Panels,Dc Panels,Marshalling Boxes, Cable Trenches Etc) |
| 46 | Earthing Device & Associated Accessories (50 Mm dia Heavy Duty GI Perforated Pipe 3 Mtrs Long For Treated Earth Pit with CI Cover. |
| 47 | Earthing Device & Associated Accessories 40Mm dia MS Rod 3 Mtrs Long For Non Treated Earth Pit with CI Cover. |
| 48 | 75X10mm, 65x12mm,65x10mm,50x8 mm, 50x6 mm and 25x6mm GS Flat as per site requirement |
| 49 | Satelite/ Auxiliary earthmat as per site requirement |
| 50 | Other Earthing Accessories ( required for complete earthing of the entire switchyard and the buildings and GIS) |
| 51 | LT Power Cable (1.1kV grade XLPE copper) |
| 52 | 2Cx1.5 sqmm |
| 53 | 2Cx6 sqmm |
| 54 | 4Cx2.5 sqmm |
| 55 | Cable supports and other cable acessories |
| 56 | LT Control Cable (1.1kV grade XLPE copper) |
| 57 | 4Cx2.5 sqmm |
| 58 | 7Cx1.5 sqmm |
| 59 | 12Cx1.5sqmm |
| 60 | 19Cx1.5sqmm |
| 61 | Cable supports and other cable accessories |
| 62 | Miscellaneous item(like stringing of conductor, MS Channel,Angle, Rail, Chequered plate,MS Grill plate,Switchyard and Bay Identification Name board, Anchor fastner etc…as per site requirement) |
| 63 | Erection testing and commissioning |
| 64 | ETC of Surge Arrester alongwth structure including laying and termination of LT power and control cables, construction of foundation alongwith supply of all foundation materials and labour |
| 65 | 216KV, 10kA, LA (Polymeric type) complete with Surge Counter, leakage current meter, hardware fittings, clamps & connectors, support structures, foundation nuts and bolts as per requirements and as per specification |
| 66 | ETC of AIS Isolators alongwith structure including laying and termination of LT power and control cables, construction of foundation alongwith supply of all foundation materials and labour |
| 67 | 245KV, 3150A, 50kA for 3 sec, Horizontal Double Break type Isolator with double earth switch complete with manual and motor driven operating mechanisms along with Support Insulators(Polymeric type), Clamps & Connector, mounting structures, foundation nut bolts etc as required |
| 68 | ETC of CVT alongwth structure including laying and termination of LT power and control cables, construction of foundation alongwith supply of all foundation materials and labour |
| 69 | 220kV, 4400pF, 3 Wdg CVT, complete with hardware fittings, clamps & connectors and Junction Box with pipe/Lattice support structure, foundation nuts and bolts etc as required |
| 70 | ETC of 220 kV GIS Modules and Equipment including construction of foundation and supply of all foundation materials and labour and laying and termination of LT power and control cables, |
| 71 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Line bay Module as per technical specification |
| 72 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Bus bar Module each enclosed in bus bar enclosures running along the length of the switchgear to interconnect each of the circuit breaker bay modules including extension adaptor in Double Bus Bar configuration as per technical specification alongwith Bus Extension module with all necessary arrangements for interfacing with the present GIS in Double Main configuration. |
| 73 | 245kV, 50kA for 3 sec, SF6 to Air Bushing along with termination module & support structure for outdoor connections to connect GIS with cable line. |
| 74 | 245kV, 50kA for 3 sec, SF6 Gas Insulated Bus Duct (GIB) single phase from respective GIS bay module up to SF6 to Air bushings including required support structures, jointing elements and other accessories for Line bays as per site requirement. (for both indoor and outdoor of GIS) |
| 75 | ETC and installation of Control, Relay & Protection Panel(Simplex Type) including laying and termination of LT power and control cables |
| 76 | ETC and installation of Control, Relay & Protection Panel(Simplex Type) including laying and termination of LT power and control cables |
| 77 | Installation of complete Earthing system as required |
| 78 | Earthing Conductor: 75X 12 Mm GS (HDG) Flat For main earth mat, riser, equipment and structure earthing |
| 79 | Earthing Conductor: 50X10Mm GS(HDG) Flat For Riser For Console Box, Lt Panels, DC Panels, Marshalling Boxes, Cable Trenches Etc) |
| 80 | Earthing Device & Associated Accessories (50 Mm dia Heavy Duty GI Perforated Pipe 3 Mtrs Long For Treated Earth Pit with CI Cover. |
| 81 | Earthing Device & Associated Accessories 40Mm dia MS Rod 3 Mtrs Long For Non Treated Earth Pit with CI Cover. |
| 82 | 75X10mm, 65x12mm,65x10mm,50x8 mm, 50x6 mm and 25x6mm GS Flat as per site requirement |
| 83 | Separate Earthing For 220kV GIS Module and LCC with multipoint earthing |
| 84 | Satelite/ Auxiliary earthmat as per site requirement |
| 85 | Other Earthing Accessories ( required for complete earthing of the entire switchyard and the buildings) |
| 86 | ETC and installation of Miscellaneous item(like Stringing of conductor,MS Channel,Angle, Rail, Chequered plate,MS Grill plate,Switchyard and Bay Identification Name board, Anchor fastner etc…as per site requirement) including related civil works |
| 87 | Dismantaling and shifting of equipments and structures |
| 88 | Shifting of damaged GIS module, LCC, Bus Duct, SF6 to Air bushing and its support structures to store building |
| 89 | Dismantaling and shifting of existing Surge Arrester and CVT along with support structures to store building |
| 90 | Any other work (dragging, dismantling, re-routing etc.), Modification works of the existing 220kV GIS Hall and any associated Civil Works not specifically mentioned anywhere but required for completion of the bay extension works |
| 91 | Cable trench D Type Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 08, 2026
11:30 IST
Tender Published
Tender notice published.
Completed
Jul 22, 2026
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
Upcoming · 5 daysJul 22, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 5 daysTender Documents
Download All (ZIP) ↓
Disclaimer
We takes all possible care for accurate & authentic tender information. However users are requested to refer Original source of Tender Notice / Tender Document published by Tender Issuing Agency before taking any call regarding this tender