Tender For Upgradation Of Existing 220/132/33Kv Gis At Khumtai To 400Kv Level With Transformation Capacity 2 X 500 Mva.
Tender Value
Ref. Documents
Estimated cost
Bid Submission
12 Oct 2026
29 days left
EMD
5.50 Crore
Bank guarantee accepted
Document Fee
30000
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Golaghat → Assam
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Upgradation Of Existing 220/132/33Kv Gis At Khumtai To 400Kv Level With Transformation Capacity 2 X 500 Mva.
BOQ
| Sl. No. | Item Description |
| 1 | Supply of Surge Arrester complete with Surge Counter, leakage current meter, clamps & connectors and other accessories as required and as per spefication |
| 2 | 398KV, 20kA, LA |
| 3 | 216kV, 10kA, LA |
| 4 | Supply of Surge Arrester support structures, foundation bolts, nuts bolts etc as required and as per spefication |
| 5 | 398KV, 20kA, LA |
| 6 | 216kV, 10kA, LA |
| 7 | Supply of CVT and Pedestal Mounted Wave Trap complete with support insulators, hardware fittings, clamps & connectors, Junction Box and other accessories as required and as per spefication |
| 8 | 400kV, 8800pF, 3 Wdg CVT |
| 9 | 400KV, 3150A Pedestal Mounted Wave Trap |
| 10 | Supply of CVT pipe/Lattice support structure, foundation bolts, nuts bolts etc as required and as per spefication |
| 11 | 400kV, 8800pF, 3 Wdg CVT |
| 12 | Supply of insulator string assembly with antifog insulators and hardware fittings complete set with nuts bolts, clamps and other accessories as required. and Conductors, Clamp Connectors |
| 13 | 4'' IPS Aluminium Tubular Conductors (Schedule 40) with flexi connectors, expansion joints, T- joints, end caps etc as required. |
| 14 | ACSR MOOSE Conductor as per site requirement |
| 15 | Clamps & Connectors as per requirement |
| 16 | 400kV, 4X160kN Quad tension string suitable for Quad Moose conductor. |
| 17 | 400kV, 2X120kN Double suspension string suitable for Quad Moose conductor. |
| 18 | 220kV, 4X160kN Quad tension string suitable for Quad Moose conductor. |
| 19 | 220kV, 2X120kN Double suspension string suitable for Quad Moose conductor. |
| 20 | Supply of 1 phase Solid core bus post insulator with creepage distance 31mm/kV including clamp connectors and other accessories as required and as per specification |
| 21 | 420KV, BPI |
| 22 | 245KV, BPI |
| 23 | Supply of bus post insulator support structures, foundation bolts, nuts & bolts and other accessories as required and as per specification |
| 24 | 420KV, BPI |
| 25 | 245KV, BPI |
| 26 | Supply of Bay Marshalling Kiosk alongwith support structures, foundation bolts and all other accessories as required and as per specification |
| 27 | 400kV BMK |
| 28 | 220kV BMK |
| 29 | Supply of Control, Relay & Protection Panel(Simplex Type) as per specification along with all accessories as required for 400kV GIS |
| 30 | 400kV Bus Bar Protection Panel |
| 31 | 400kV Line CRP (with Line Differential) |
| 32 | 400/220kV ICT CRP (500MVA) |
| 33 | 400kV Bus Reactor CRP |
| 34 | 400kV Tie Breaker CRP |
| 35 | Supply of Control, Relay & Protection Panel(Simplex Type) as per specification along with all accessories as required for 220kV GIS |
| 36 | 400/220kV ICT CRP (500MVA) |
| 37 | Aux BCU Panel |
| 38 | Supply of Complete Substation System Automation System (As per specification ) |
| 39 | 16 port Ethernet Switch |
| 40 | All interphase equipment for Gateway to SLDC |
| 41 | All other accessories like FO armoured cables, HDPE Conduit/GI conduit Patch cords,furnitures for HMIs and printers, cables etc as per requirement |
| 42 | DCU, modems, FO cables and other related accessories etc.as per specification. |
| 43 | Red Box |
| 44 | SAMAST compliant ABT meters |
| 45 | Integration of new CRP's, station auxiliaries etc. with existing SAS including license upgradation of existing SAS Hitachi Make |
| 46 | Supply of 400 kV GIS Equipment (As per specification) |
| 47 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Line bay Module as per technical specification |
| 48 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Transformer bay Module with CSD as per technical specifcation |
| 49 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Tie bay Module with CSD as per technical specification. |
| 50 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Bus Reactor bay Module with CSD as per technical specification |
| 51 | 3- Ø 400 kV, 4000 A, 63 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 in One and Half breaker configuration as per technical specification alongwith Extension module with all necessary arrangements for future extension of the GIS in One & Half Breaker Arrangement. |
| 52 | 400kV, 63kA for 3 sec, SF6 to Air Bushing along with termination module & support structure for outdoor connections to connect GIS with 400kV side of Power transformer, bus reactors and overhead lines. |
| 53 | 400kV, 63kA 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 Transformer bays, line bays and bus reactor bays as per site requirement. (for both indoor and outdoor of GIS) |
| 54 | 10 Ton EOT Crane for 400kV GIS Building |
| 55 | Scissor Lift |
| 56 | Supply of 220 kV GIS Equipment (As per specification). Existing GIS is Siemens Make |
| 57 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - 500MVA Transformer bay Module as per technical specification |
| 58 | 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 in Double Bus Bar configuration as per technical specification alongwith Extension module with all necessary arrangements for extension of the GIS in Double Main configuration. |
| 59 | 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. |
| 60 | 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 Transformer bays & line bays as per site requirement. (for both indoor and outdoor of GIS) |
| 61 | Supply of Testing And Maintenance Equipment of GIS as per specification |
| 62 | SF6 Gas Processing, Drying, Storage & Filling Unit |
| 63 | SF6 gas quality testing unit |
| 64 | SF6 Gas Leak Detector |
| 65 | Supply of 500MVA, 400/220/33kV, ONAN/ ONAF/ODAF or ONAN.ONAF1/ONAF2, ICT along with all accessories and below: (including terminal connectors and other acessories as per technical specification) |
| 66 | 500 MVA, 400/220/33 kV, Three phase Transformer with OLTC & Oil |
| 67 | Oil & winding temperature monitoring system (FO based) |
| 68 | Online DGA (Multi gas) |
| 69 | Online insulating drying system |
| 70 | Maintenance free breather |
| 71 | RTCC Panel with AVR (TMS) |
| 72 | 10% Extra OIL for each transformer |
| 73 | Rail track for transformer |
| 74 | Pulling block for transformer |
| 75 | Supply of 125 MVAR Bus Reactor (with Oil) |
| 76 | 125 MVAR, 420KV, 3 Phase, Star with Neutral brought out, ONAN coreless Bus Reactor along with Marshalling Kiosk with accessories etc as per technical specification with 10% spare oil |
| 77 | Pulling block for reactor |
| 78 | Supply of Battery & Battery Chargers, DCDB & ACDB as per specification |
| 79 | 220V VRLA Battery 900AH |
| 80 | 220V, Dual Float Cum Boost Chargers for 220V Battery 190A |
| 81 | 220V, DCDB |
| 82 | Sub ACDB |
| 83 | MLDB with 415V/415V, 100kVA isolation transformer |
| 84 | ELDB with 415V/415V, 50kVA isolation transformer |
| 85 | HVAC DB |
| 86 | MCBDB |
| 87 | Aux ACDBs, Sub DCDBs etc, as per requirement |
| 88 | Supply of XLPE Armoured, LT Power Cable (1.1kV grade) |
| 89 | 2C, 6sqmm Cu |
| 90 | 4C, 16sqmm Cu |
| 91 | 3.5C, 35sqmm Al |
| 92 | 1C, 150sqmm Cu |
| 93 | 3.5C, 70sqmm Al |
| 94 | 3.5C, 150sqmm Al |
| 95 | 3.5C, 400sqmm Al |
| 96 | Cable supports and other cable accessories |
| 97 | Others ( Cable for Fire Fighting, Illumination etc) |
| 98 | Supply of Testing And Maintenance Equipment of GIS as specified |
| 99 | 4C, 2.5sqmm |
| 100 | 5C, 2.5sqmm |
| 101 | 7C, 2.5sqmm |
| 102 | 12C, 2.5sqmm |
| 103 | 17C, 2.5sqmm |
| 104 | 19C, 2.5sqmm |
| 105 | Cable supports and other cable accessories |
| 106 | Others ( Cable for Fire Fighting, Illumination etc) |
| 107 | Supply of Mild Steel (Galvanised) Lattice structures for incoming and outgoing gantries etc as required complete with foundation bolts, fastners etc. |
| 108 | 400kV Columns with peak |
| 109 | 400kV Beams |
| 110 | EarthingSupply of Main earth mat conductor, GI risers, treated /Untreated earth pit, equipment earth connections etc. |
| 111 | 40 mm Dia MS Rod for Main Earthmat |
| 112 | Earthing Conductor: 40 Mm Dia MS Rod For Riser From The Burial Earth Mat To Equipment,Structure, Fence Etc) |
| 113 | Earthing Conductor: 75X 12 Mm GS (HDG) Flat For equipment and structure earthing |
| 114 | Earthing Conductor: 50X10Mm GS(HDG) Flat For Riser For Console Box,Lt Panels,Dc Panels,Marshalling Boxes, Cable Trenches Etc) |
| 115 | Earthing Device & Associated Accessories (50 Mm dia Heavy Duty GI Perforated Pipe 3 Mtrs Long For Treated Earth Pit with CI Cover. |
| 116 | Earthing Device & Associated Accessories 40Mm dia MS Rod 3 Mtrs Long For Non Treated Earth Pit with CI Cover. |
| 117 | 75X10mm, 65x12mm,65x10mm,50x8 mm, 50x6 mm and 25x6mm GS Flat as per site requirement |
| 118 | Soil Resistivity Test And Soil Treatment As And When Required |
| 119 | Separate Earthing For 400 kV GIS modules with multipoint earthing (with Cu flat of adequate size for GIS earth mat) |
| 120 | Separate Earthing For 220 kV GIS Modules with multipoint earthing (with Cu flat of adequate size for GIS earth mat) |
| 121 | Separate Earthing For400 kV GIS Building with earth electrodes & Copper earthing conductors etc. complete with all respects |
| 122 | Separate Earthing For 220 kV GIS Building with earth electrodes & Copper earthing conductors etc. complete with all respects for interconnection with the existing GIS Building Earthmat |
| 123 | Separate Earthing for all other switchyard buildings, fencing etc. with earth electrodes, GS earthing conductors etc. complete with all respects |
| 124 | Supply of Fire Alarm & Detection including all accessories as per specification |
| 125 | Fire Alarm & Detection system for 400kV GIS Building, including Fire Alarm panel, Multi Sensor detector, Smoke detector, manual Call point, Hooter, Response Indicators, Beam Detector, Cabling, ISOLATING MODULE etc. |
| 126 | Fire fire fighting system (sprinkler system) for control room, office room, panel rooms etc. as per requirement |
| 127 | Supply of HVAC & VENTILATION |
| 128 | 2 TON CAPACITY SPLIT AIR CONDITIONING UNITS for CRP/PLCC/DB Room with N+1 requirements |
| 129 | Ventilation system for 400kV GIS Building (Ventilation System with Centrifugal Fan and related Accessories should comprise of Pre and Fine air filter,Air Purifier, centrifugal fan, ducting network, air supply grilles, gravity dampers, electrical and instrumentation etc.) |
| 130 | Supply of Hydrant & HVWS (High Velocity Water Spray) system/NIFPES including all accessories as per specification. |
| 131 | Hydrant system along with pumping arrangement & associated Civil works for fire protection system |
| 132 | HVWS system (automatic emulsifier and manual hydrant point both) for 500 MVA ICT-2 Nos and 125MVAR Bus reactor-2 no |
| 133 | NItrogen injection Fire protection and emergency service with complete accessories and related Civil and Electrical works for 500 MVA ICT-2 Nos and 125MVAR Bus reactor-2 no |
| 134 | 100 KVA, silent type DG Set with AMF including Panel & all accessories and including earthing arrangement alongwith outdoor distibution board as per scheme requirement. |
| 135 | Lighting System Supply of Indoor Lighting |
| 136 | Lighting System including Lighting panel, distribution boards, Cabling, Conduiting, Switches, Socket, Junction boxes, auxiliary receptacle, High bay fixtures for all buildings (220kV GIS Building, 400kV GIS Building, FFPH Buildings, Security Barracks & Booth, Store Building etc) |
| 137 | Lighting System Supply of Outdoor Lighting |
| 138 | Outdoor LED lighting for Approach road, Switchyard area, Colony area, Road area, Car parking, Security outpost, open store shed, Bore and OHT area, etc, including Lighting panel, Cabling, street lighting, Switches, Distribution boards, Socket, auxiliary receptacle, complete with GI Poles etc. |
| 139 | Lightning protection system (lightning masts 50 metres high, Lightning Spike, shield wire(7/4mm GI Shield wire), down conductors etc.) for complete substation. |
| 140 | F&I of Surge Arrester complete with Surge Counter, leakage current meter, clamps & connectors and other accessories as required and as per spefication |
| 141 | 398KV, 20kA, LA |
| 142 | 216kV, 10kA, LA |
| 143 | F&I of Surge Arrester support structures, foundation bolts, nuts bolts etc as required and as per spefication |
| 144 | 398KV, 20kA, LA |
| 145 | 216kV, 10kA, LA |
| 146 | F&I of CVT and Pedestal Mounted Wave Trap complete with support insulators, hardware fittings, clamps & connectors, Junction Box and other accessories as required and as per spefication |
| 147 | 400kV, 8800pF, 3 Wdg CVT |
| 148 | 400KV, 3150A Pedestal Mounted Wave Trap |
| 149 | F&I of CVT pipe/Lattice support structure, foundation bolts, nuts bolts etc as required and as per spefication |
| 150 | 400kV, 8800pF, 3 Wdg CVT |
| 151 | F&I of insulator string assembly with antifog insulators and hardware fittings complete set with nuts bolts, clamps and other accessories as required. and Conductors, Clamp Connectors |
| 152 | 4'' IPS Aluminium Tubular Conductors (Schedule 40) with flexi connectors, expansion joints, T- joints, end caps etc as required. |
| 153 | ACSR MOOSE Conductor as per site requirement |
| 154 | Clamps & Connectors as per requirement |
| 155 | 400kV, 4X160kN Quad tension string suitable for Quad Moose conductor. |
| 156 | 400kV, 2X120kN Double suspension string suitable for Quad Moose conductor. |
| 157 | 220kV, 4X160kN Quad tension string suitable for Quad Moose conductor. |
| 158 | 220kV, 2X120kN Double suspension string suitable for Quad Moose conductor. |
| 159 | F&I of 1 phase Solid core bus post insulator with creepage distance 31mm/kV including clamp connectors and other accessories as required and as per specification |
| 160 | 420KV, BPI |
| 161 | 245KV, BPI |
| 162 | F&I of bus post insulator support structures, foundation bolts, nuts & bolts and other accessories as required and as per specification |
| 163 | 420KV, BPI |
| 164 | 245KV, BPI |
| 165 | F&I of Bay Marshalling Kiosk alongwith support structures, foundation bolts and all other accessories as required and as per specification |
| 166 | 400kV BMK |
| 167 | 220kV BMK |
| 168 | F&I of Control, Relay & Protection Panel(Simplex Type) as per specification along with all accessories as required for 400kV GIS |
| 169 | 400kV Bus Bar Protection Panel |
| 170 | 400kV Line CRP (with Line Differential) |
| 171 | 400/220kV ICT CRP (500MVA) |
| 172 | 400kV Bus Reactor CRP |
| 173 | 400kV Tie Breaker CRP |
| 174 | F&I of Control, Relay & Protection Panel(Simplex Type) as per specification along with all accessories as required for 220kV GIS |
| 175 | 400/220kV ICT CRP (500MVA) |
| 176 | Aux BCU Panel |
| 177 | F&I of Complete Substation System Automation System (As per specification ) |
| 178 | 16 port Ethernet Switch |
| 179 | All interphase equipment for Gateway to SLDC |
| 180 | All other accessories like FO armoured cables, HDPE Conduit/GI conduit Patch cords,furnitures for HMIs and printers, cables etc as per requirement |
| 181 | DCU, modems, FO cables and other related accessories etc.as per specification. |
| 182 | Red Box |
| 183 | SAMAST compliant ABT meters |
| 184 | Integration of new CRP's, station auxiliaries etc. with existing SAS including license upgradation of existing SAS Hitachi Make |
| 185 | F&I of 400 kV GIS Equipment (As per specification) |
| 186 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Line bay Module as per technical specification |
| 187 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Transformer bay Module with CSD as per technical specifcation |
| 188 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Tie bay Module with CSD as per technical specification. |
| 189 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Bus Reactor bay Module with CSD as per technical specification |
| 190 | 3- Ø 400 kV, 4000 A, 63 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 in One and Half breaker configuration as per technical specification alongwith Extension module with all necessary arrangements for future extension of the GIS in One & Half Breaker Arrangement. |
| 191 | 400kV, 63kA for 3 sec, SF6 to Air Bushing along with termination module & support structure for outdoor connections to connect GIS with 400kV side of Power transformer, bus reactors and overhead lines. |
| 192 | 400kV, 63kA 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 Transformer bays, line bays and bus reactor bays as per site requirement. (for both indoor and outdoor of GIS) |
| 193 | 10 Ton EOT Crane for 400kV GIS Building |
| 194 | Scissor Lift |
| 195 | F&I of 220 kV GIS Equipment (As per specification). Existing GIS is Siemens Make |
| 196 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - 500MVA Transformer bay Module as per technical specification |
| 197 | 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 in Double Bus Bar configuration as per technical specification alongwith Extension module with all necessary arrangements for extension of the GIS in Double Main configuration. |
| 198 | 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. |
| 199 | 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 Transformer bays & line bays as per site requirement. (for both indoor and outdoor of GIS) |
| 200 | F&I of Testing And Maintenance Equipment of GIS as per specification |
| 201 | SF6 Gas Processing, Drying, Storage & Filling Unit |
| 202 | SF6 gas quality testing unit |
| 203 | SF6 Gas Leak Detector |
| 204 | F&I of 500MVA, 400/220/33kV, ONAN/ ONAF/ODAF or ONAN.ONAF1/ONAF2, ICT along with all accessories and below: (including terminal connectors and other acessories as per technical specification) |
| 205 | 500 MVA, 400/220/33 kV, Three phase Transformer with OLTC & Oil |
| 206 | Oil & winding temperature monitoring system (FO based) |
| 207 | Online DGA (Multi gas) |
| 208 | Online insulating drying system |
| 209 | Maintenance free breather |
| 210 | RTCC Panel with AVR (TMS) |
| 211 | 10% Extra OIL for each transformer |
| 212 | Rail track for transformer |
| 213 | Pulling block for transformer |
| 214 | F&I of 125 MVAR Bus Reactor (with Oil) |
| 215 | 125 MVAR, 420KV, 3 Phase, Star with Neutral brought out, ONAN coreless Bus Reactor along with Marshalling Kiosk with accessories etc as per technical specification with 10% spare oil |
| 216 | Pulling block for reactor |
| 217 | F&I of Battery & Battery Chargers, DCDB & ACDB as per specification |
| 218 | 220V VRLA Battery 900AH |
| 219 | 220V, Dual Float Cum Boost Chargers for 220V Battery 190A |
| 220 | 220V, DCDB |
| 221 | Sub ACDB |
| 222 | MLDB with 415V/415V, 100kVA isolation transformer |
| 223 | ELDB with 415V/415V, 50kVA isolation transformer |
| 224 | HVAC DB |
| 225 | MCBDB |
| 226 | Aux ACDBs, Sub DCDBs etc, as per requirement |
| 227 | F&I of XLPE Armoured, LT Power Cable (1.1kV grade) |
| 228 | 2C, 6sqmm Cu |
| 229 | 4C, 16sqmm Cu |
| 230 | 3.5C, 35sqmm Al |
| 231 | 1C, 150sqmm Cu |
| 232 | 3.5C, 70sqmm Al |
| 233 | 3.5C, 150sqmm Al |
| 234 | 3.5C, 400sqmm Al |
| 235 | Cable supports and other cable accessories |
| 236 | Others ( Cable for Fire Fighting, Illumination etc) |
| 237 | F&I of Testing And Maintenance Equipment of GIS as specified |
| 238 | 4C, 2.5sqmm |
| 239 | 5C, 2.5sqmm |
| 240 | 7C, 2.5sqmm |
| 241 | 12C, 2.5sqmm |
| 242 | 17C, 2.5sqmm |
| 243 | 19C, 2.5sqmm |
| 244 | Cable supports and other cable accessories |
| 245 | Others ( Cable for Fire Fighting, Illumination etc) |
| 246 | F&I of Mild Steel (Galvanised) Lattice structures for incoming and outgoing gantries etc as required complete with foundation bolts, fastners etc. |
| 247 | 400kV Columns with peak |
| 248 | 400kV Beams |
| 249 | EarthingF&I of Main earth mat conductor, GI risers, treated /Untreated earth pit, equipment earth connections etc. |
| 250 | 40 mm Dia MS Rod for Main Earthmat |
| 251 | Earthing Conductor: 40 Mm Dia MS Rod For Riser From The Burial Earth Mat To Equipment,Structure, Fence Etc) |
| 252 | Earthing Conductor: 75X 12 Mm GS (HDG) Flat For equipment and structure earthing |
| 253 | Earthing Conductor: 50X10Mm GS(HDG) Flat For Riser For Console Box,Lt Panels,Dc Panels,Marshalling Boxes, Cable Trenches Etc) |
| 254 | Earthing Device & Associated Accessories (50 Mm dia Heavy Duty GI Perforated Pipe 3 Mtrs Long For Treated Earth Pit with CI Cover. |
| 255 | Earthing Device & Associated Accessories 40Mm dia MS Rod 3 Mtrs Long For Non Treated Earth Pit with CI Cover. |
| 256 | 75X10mm, 65x12mm,65x10mm,50x8 mm, 50x6 mm and 25x6mm GS Flat as per site requirement |
| 257 | Soil Resistivity Test And Soil Treatment As And When Required |
| 258 | Separate Earthing For 400 kV GIS modules with multipoint earthing (with Cu flat of adequate size for GIS earth mat) |
| 259 | Separate Earthing For 220 kV GIS Modules with multipoint earthing (with Cu flat of adequate size for GIS earth mat) |
| 260 | Separate Earthing For400 kV GIS Building with earth electrodes & Copper earthing conductors etc. complete with all respects |
| 261 | Separate Earthing For 220 kV GIS Building with earth electrodes & Copper earthing conductors etc. complete with all respects for interconnection with the existing GIS Building Earthmat |
| 262 | Separate Earthing for all other switchyard buildings, fencing etc. with earth electrodes, GS earthing conductors etc. complete with all respects |
| 263 | F&I of Fire Alarm & Detection including all accessories as per specification |
| 264 | Fire Alarm & Detection system for 400kV GIS Building, including Fire Alarm panel, Multi Sensor detector, Smoke detector, manual Call point, Hooter, Response Indicators, Beam Detector, Cabling, ISOLATING MODULE etc. |
| 265 | Fire fire fighting system (sprinkler system) for control room, office room, panel rooms etc. as per requirement |
| 266 | F&I of HVAC & VENTILATION |
| 267 | 2 TON CAPACITY SPLIT AIR CONDITIONING UNITS for CRP/PLCC/DB Room with N+1 requirements |
| 268 | Ventilation system for 400kV GIS Building (Ventilation System with Centrifugal Fan and related Accessories should comprise of Pre and Fine air filter,Air Purifier, centrifugal fan, ducting network, air supply grilles, gravity dampers, electrical and instrumentation etc.) |
| 269 | F&I of Hydrant & HVWS (High Velocity Water Spray) system/NIFPES including all accessories as per specification. |
| 270 | Hydrant system along with pumping arrangement & associated Civil works for fire protection system |
| 271 | HVWS system (automatic emulsifier and manual hydrant point both) for 500 MVA ICT-2 Nos and 125MVAR Bus reactor-2 no |
| 272 | NItrogen injection Fire protection and emergency service with complete accessories and related Civil and Electrical works for 500 MVA ICT-2 Nos and 125MVAR Bus reactor-2 no |
| 273 | 100 KVA, silent type DG Set with AMF including Panel & all accessories and including earthing arrangement alongwith outdoor distibution board as per scheme requirement. |
| 274 | Lighting System F&I of Indoor Lighting |
| 275 | Lighting System including Lighting panel, distribution boards, Cabling, Conduiting, Switches, Socket, Junction boxes, auxiliary receptacle, High bay fixtures for all buildings (220kV GIS Building, 400kV GIS Building, FFPH Buildings, Security Barracks & Booth, Store Building etc) |
| 276 | Lighting System F&I of Outdoor Lighting |
| 277 | Outdoor LED lighting for Approach road, Switchyard area, Colony area, Road area, Car parking, Security outpost, open store shed, Bore and OHT area, etc, including Lighting panel, Cabling, street lighting, Switches, Distribution boards, Socket, auxiliary receptacle, complete with GI Poles etc. |
| 278 | Lightning protection system (lightning masts 50 metres high, Lightning Spike, shield wire(7/4mm GI Shield wire), down conductors etc.) for complete substation. |
| 279 | Erection, Testing & Commissioning of Surge Arrester alongwith erection of mounting structure, Including fitting and fixing of all accessories, clamps and connectors etc complete. |
| 280 | 398KV, 20kA, LA |
| 281 | 216kV, 10kA, LA |
| 282 | Erection of LA mounting structure including contsruction of foundation and supply of all foundation materials and labour etc to complete the job |
| 283 | 398KV, 20kA, LA |
| 284 | 216kV, 10kA, LA |
| 285 | Erection Testing & Commissioning of CVT and Wave Trap alongwith erection (for CVT), of Junction box, laying and termination of cables. Including fitting and fixing of all accessories, clamps and connectors etc. |
| 286 | 400kV, 8800pF, 3 Wdg CVT |
| 287 | 400KV, 3150A Pedestal Mounted Wave Trap |
| 288 | Erection of CVT mounting structure including contsruction of foundation and supply of all foundation materials and labour etc. to complete the job. |
| 289 | 400kV, 8800pF, 3 Wdg CVT |
| 290 | Hoisting and erection of hardware fittings complete set with nuts bolts, clamps and other accessories as required and stringing of Bus/conductor/jumpers as required. |
| 291 | 4'' IPS Aluminium Tubular Conductors (Schedule 40) with flexi connectors, expansion joints, T- joints, end caps etc as required. |
| 292 | ACSR MOOSE Conductor as per site requirement |
| 293 | Clamps & Connectors as per requirement |
| 294 | 400kV, 4X160kN Quad tension string suitable for Quad Moose conductor. |
| 295 | 400kV, 2X120kN Double suspension string suitable for Quad Moose conductor. |
| 296 | 220kV, 4X160kN Quad tension string suitable for Quad Moose conductor. |
| 297 | 220kV, 2X120kN Double suspension string suitable for Quad Moose conductor. |
| 298 | Erection, Testing & Commissioning of 1 phase Solid core bus post insulator including clamp connectors and other accessories as required. |
| 299 | 420KV, BPI |
| 300 | 245KV, BPI |
| 301 | Erection of BPI mounting structures including contsruction of foundation and supply of all foundation materials and labour etc. |
| 302 | 420KV, BPI |
| 303 | 245KV, BPI |
| 304 | Erection Testing & Commissioning of Bay Marshalling Kiosk alongwith structure including laying and termination of LT power and control cables, construction of foundation alongwith supply of all foundation materials and labour as required. |
| 305 | 400kV BMK |
| 306 | 220kV BMK |
| 307 | Erection Testing & Commissioning and installation of Control, Relay & Protection Panels (Simplex Type) including laying and termination of LT power and control cables for 400kV GIS |
| 308 | 400kV Bus Bar Protection Panel |
| 309 | 400kV Line CRP (with Line Differential) |
| 310 | 400/220kV ICT CRP (500MVA) |
| 311 | 400kV Bus Reactor CRP |
| 312 | 400kV Tie Breaker CRP |
| 313 | Erection Testing & Commissioning and installation of Control, Relay & Protection Panels (Simplex Type) including laying and termination of LT power and control cables for 245kV GIS |
| 314 | 400/220kV ICT CRP (500MVA) |
| 315 | Aux BCU Panel |
| 316 | Erection Testing & Commissioning and installation of Substation System Automation System (As per specification) including laying and termination of LT power and control cables |
| 317 | 16 port Ethernet Switch |
| 318 | All interphase equipment for Gateway to SLDC |
| 319 | All other accessories like FO armoured cables, HDPE Conduit/GI conduit Patch cords,furnitures for HMIs and printers, cables etc as per requirement |
| 320 | DCU, modems, FO cables and other related accessories etc.as per specification. |
| 321 | Red Box |
| 322 | SAMAST compliant ABT meters |
| 323 | Integration of new CRP's, station auxiliaries etc. with existing SAS including license upgradation of existing SAS of Hitachi Make |
| 324 | Erection Testing & Commissioning of 400 kV GIS Modules and Equipment including laying and termination of LT power and control cables, installation of all accessories as required including construction of foundation and supply of all foundation materials and labour. |
| 325 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Line bay Module as per technical specification |
| 326 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Transformer bay Module with CSD as per technical specifcation |
| 327 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Tie bay Module with CSD as per technical specification. |
| 328 | 3- Ø 400 kV, 4000 A, 63 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Bus Reactor bay Module with CSD as per technical specification |
| 329 | 3- Ø 400 kV, 4000 A, 63 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 in One and Half breaker configuration as per technical specification alongwith Extension module with all necessary arrangements for future extension of the GIS in One & Half Breaker Arrangement. |
| 330 | 400kV, 63kA for 3 sec, SF6 to Air Bushing along with termination module & support structure for outdoor connections to connect GIS with 400kV side of Power transformer, bus reactors and overhead lines. |
| 331 | 400kV, 63kA 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 Transformer bays, line bays and bus reactor bays as per site requirement. (for both indoor and outdoor of GIS) |
| 332 | 10 Ton EOT Crane for 400kV GIS Building |
| 333 | Erection Testing & Commissioning of 220 kV GIS Modules and Equipment including laying and termination of LT power and control cables, installation of all accessories as required including construction of foundation and supply of all foundation materials and labour. |
| 334 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - 500MVA Transformer bay Module as per technical specification |
| 335 | 3- Ø 220 kV, 3150 A, 50 kA-3 sec, metal enclosed SF6 Gas Insulated Switchgear - Bus bar Module (with adapter module for connecting existing Bus bar with new Bus bar) each enclosed in bus bar enclosures running along the length of the switchgear to interconnect each of the circuit breaker bay modules in Double Bus Bar configuration as per technical specification alongwith Extension module with all necessary arrangements for future extension of the GIS in Double Main configuration. |
| 336 | 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. |
| 337 | 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 Transformer bays & line bays as per site requirement. (for both indoor and outdoor of GIS) |
| 338 | Erection, testing and commissioning of 500MVA, 400/220kV, ONAN/ ONAF/ODAF or ONAN/ONAF1/ONAF2, ICT and all accessories, terminal connectors as per technical specification including laying and termination of LT power, control cables and other signalling cables as required. |
| 339 | 500 MVA, 400/220/33 kV, Three phase Transformer with OLTC & Oil |
| 340 | Oil & winding temperature monitoring system (FO based) |
| 341 | Online DGA (Multi gas) |
| 342 | Online insulating drying system |
| 343 | Maintenance free breather |
| 344 | RTCC Panel with AVR (TMS) |
| 345 | Rail track for transformer |
| 346 | Pulling block for transformer |
| 347 | Erection, testing and commissioning of 125 MVAR Bus Reactor (with Oil) |
| 348 | Erection, testing and commissioning of 125 MVAR, 420KV, 3 Phase, Star with Neutral brought out, ONAN coreless Bus Reactor along with Marshalling Kiosk with accessories etc as per technical specification with 10% spare oil |
| 349 | Pulling block for reactor |
| 350 | Erection, testing and commissioning of Battery & Battery Chargers, DCDB & ACDB as per specification |
| 351 | 220V VRLA Battery 800AH |
| 352 | 220V, Dual Float Cum Boost Chargers for 220V Battery 190A |
| 353 | 220V, DCDB |
| 354 | Sub ACDB |
| 355 | MLDB with 415V/415V, 100kVA isolation transformer |
| 356 | ELDB with 415V/415V, 50kVA isolation transformer |
| 357 | HVAC DB |
| 358 | MCBDB |
| 359 | Aux ACDBs, Sub DCDBs etc, as per requirement |
| 360 | Concreting of Gantry foundation including all Labour, materials, equipment, excavation shuttering, head loading, back filling etc complete for handling, transportation, batching, mixing, placing, levelling, curing etc complete inclusive of cost of cement and reinforcement steel. Also provide 300 mm boulder soiling below the foundation |
| 361 | 400kV Columns with peak |
| 362 | Erection of Lattice structures for incoming and outgoing gantries etc. including contsruction of foundation and supply of all foundation materials and labour |
| 363 | 400kV Columns with peak |
| 364 | 400kV Beams |
| 365 | Installation & Testing of complete Earthing system as per technical specification.Main earth mat conductor, GI risers, treated /Untreated earth pit, equipment earth connections etc. |
| 366 | 40 mm Dia MS Rod for Main Earthmat |
| 367 | Earthing Conductor: 40 Mm Dia MS Rod For Riser From The Burial Earth Mat To Equipment,Structure, Fence Etc) |
| 368 | Earthing Conductor: 75X 12 Mm GS (HDG) Flat For equipment and structure earthing |
| 369 | Earthing Conductor: 50X10Mm GS(HDG) Flat For Riser For Console Box,Lt Panels,Dc Panels,Marshalling Boxes, Cable Trenches Etc) |
| 370 | Earthing Device & Associated Accessories (50 Mm dia Heavy Duty GI Perforated Pipe 3 Mtrs Long For Treated Earth Pit with CI Cover. |
| 371 | Earthing Device & Associated Accessories 40Mm dia MS Rod 3 Mtrs Long For Non Treated Earth Pit with CI Cover. |
| 372 | 75X10mm, 65x12mm,65x10mm,50x8 mm, 50x6 mm and 25x6mm GS Flat as per site requirement |
| 373 | Soil Resistivity Test And Soil Treatment As And When Required |
| 374 | Separate Earthing For 400 kV GIS modules with multipoint earthing (with Cu flat of adequate size for GIS earth mat) |
| 375 | Separate Earthing For 220 kV GIS Modules with multipoint earthing (with Cu flat of adequate size for GIS earth mat) |
| 376 | Separate Earthing For400 kV GIS Building with earth electrodes & Copper earthing conductors etc. complete with all respects |
| 377 | Separate Earthing For 220 kV GIS Building with earth electrodes & Copper earthing conductors etc. complete with all respects for interconnection with the existing GIS Building Earthmat |
| 378 | Separate Earthing for all other switchyard buildings, fencing etc. with earth electrodes, GS earthing conductors etc. complete with all respects |
| 379 | Auxiliary earthmat as per site requirement |
| 380 | Installation, Erection, testing and Commissioning Fire Alarm & Detection including all accessories as per specification |
| 381 | Fire Alarm & Detection system for 400kV & 220kV GIS Buildings, including Fire Alarm panel, Multi Sensor detector, Smoke detector, manual Call point, Hooter, Response Indicators, Beam Detector, Cabling, ISOLATING MODULE etc. |
| 382 | Fire fire fighting system (sprinkler system) for control room, office room, panel rooms etc. as per requirement |
| 383 | Installation, Erection, testing and Commissioning HVAC & VENTILATION |
| 384 | 2 TON CAPACITY SPLIT AIR CONDITIONING UNITS for CRP/PLCC/DB Room with N+1 requirements |
| 385 | Ventilation system for 400kV GIS Building (Ventilation System with Centrifugal Fan and related Accessories should comprise of Pre and Fine air filter,Air Purifier, centrifugal fan, ducting network, air supply grilles, gravity dampers, electrical and instrumentation etc.) |
| 386 | Installation, Erection, testing and Commissioning Hydrant & HVWS (High Velocity Water Spray) system/NIFPES including all accessories as per specification. |
| 387 | Hydrant system along with pumping arrangement & associated Civil works for fire protection system |
| 388 | HVWS system (automatic emulsifier and manual hydrant point both) for 500 MVA ICT-2 Nos and 125MVAR Bus reactor-2 no |
| 389 | NItrogen injection Fire protection and emergency service with complete accessories and related Civil and Electrical works for 500 MVA ICT-2 Nos and 125MVAR Bus reactor-2 no |
| 390 | Erection Testing Commisioning of 100 KVA, silent type DG Set with AMF including Panel & all accessories and including earthing arrangement alongwith outdoor distibution board as per scheme requirement. |
| 391 | Lighting System Installation, Erection, Testing and Commissioning of Indoor Lighting |
| 392 | Lighting System including Lighting panel, distribution boards, Cabling, Conduiting, Switches, Socket, Junction boxes, auxiliary receptacle, High bay fixtures for all buildings (220kV GIS Building, 400kV GIS Building, FFPH Buildings, Security Barracks & Booth, Store Building etc) |
| 393 | Lighting System Installation, Erection, Testing and Commissioning of Outdoor Lighting |
| 394 | Outdoor LED lighting for Approach road, Switchyard area, Colony area, Road area, Car parking, Security outpost, open store shed, Bore and OHT area, etc, including Lighting panel, Cabling, street lighting, Switches, Distribution boards, Socket, auxiliary receptacle, complete with GI Poles etc. |
| 395 | Lightning protection system (lightning masts 50 metres high, Lightning Spike, shield wire(7/4mm GI Shield wire), down conductors etc.) for complete substation. |
| 396 | Erection of Miscellaneous item |
| 397 | Erection of Miscellaneous item (like MS Channel,Angle, Rail track for Transformers, Chequered plate,MS Grill plate,Switchyard and Bay Identification Name board, Anchor fastner and Display for Overall single line diagram photo with frame.etc…as per site requirement and for overall completion of the project). |
| 398 | Site Preparation Works |
| 399 | Site Clearance including necessary excavation and dismantling of existing structure |
| 400 | Site Preparation and Earthfilling with Compaction |
| 401 | Standards, Design And Drawings |
| 402 | Boundary wall (3 M high) with Retaining wall (The Bidder may quote the price based on the sample drawing provided with the Tender.) |
| 403 | Security Fencing (The Bidder may quote the price based on the sample drawing provided with the Tender.) |
| 404 | Earthcutting and necessary levelling |
| 405 | Buildings (including All services i.e. electrical, internal water supply, sanitary works, sewage system, furnishing, cable trench (present and future) complete) |
| 406 | 4000 KV GIS cum CRP/DB Building (PEB) alongwith GIS bay foundations complete on pile foundation [100m x (16+8)m] |
| 407 | Constrcution of Transformer and Reactor foundation |
| 408 | Counstruction of 500 MVA Power Transformer foundation with Burnt Oil Pit on pile foundation |
| 409 | Counstruction of 125MVAR Bus Reactor foundation with Burnt Oil Pit on pile foundation |
| 410 | Fire Protection Wall in RCC frame with 230 mm brick wall including supply of all foundation materials and labour on pile foundation |
| 411 | Fire Protection Wall for 500 MVA Transformer |
| 412 | Fire Protection Wall for 125 MVAr Reactor |
| 413 | HVWS with Water reserviour and Pumphouse |
| 414 | Supply and installation of Deep tubewell, with appropriate depth required to reach aquifer with PVC casing pipe (200 mm diameter minimum), 3 HP submersible mortor pump, 40 mm diameter CPVC column pipe and Construction of Water reservior and Pump house for fire fighting. |
| 415 | Cable Trench along with road crossing culvert for cables wherever necesarry along with switchyard work |
| 416 | A type (The Bidder may quote the price based on the sample drawing provided with the Tender.) |
| 417 | B Type (The Bidder may quote the price based on the sample drawing provided with the Tender.) |
| 418 | C Type (The Bidder may quote the price based on the sample drawing provided with the Tender.) |
| 419 | D type (The Bidder may quote the price based on the sample drawing provided with the Tender.) |
| 420 | Construction of Indoor Cable Trench at existing 220kV GIS Building for present and future bays including dismantaling of GIS floor and necessary arrangement to keep existing modules dust free |
| 421 | Construction of Indoor Cable Trench at existing 33kV VCB cum CRB Building including dismantaling of floor and other necessary work |
| 422 | RCC Box Culvert |
| 423 | Approach and Internal Road |
| 424 | Antiweed treatment |
| 425 | PCC in Switchyard |
| 426 | Stone Spreading(Gravelling) in switchyard |
| 427 | Storm Water Drain including connection to existing drain |
| 428 | Sump Pit with electric pump set |
| 429 | Switchyard Gate |
| 430 | HDPE pipe of 150 mm dia Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 08, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 12, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 29 daysOct 13, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 30 daysTender Documents
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