Provision of 1x100 MVA , 230/110KV additional Auto Power Transformer and allied bay extension works at 230/110KV Thondamanatham Auto SS, Puducherry

Design, Manufacturing, Testing at manufacturer site, Transportation and supply (at site) of the following items. This also includes supply of all suitable sizes of clamps wherever required and all other items required for satisfactory functioning of the particular items :- In view of space constraint the absract of the items are mentioned below. Therefore, bidders are requested to quot their price as per the detailed Bill of Quantity (BOQ) provided in the Section VI of the General terms and condition of this tender document: Supply of the following items as per the Tender Technical specification. Rate should be quoted along with GST No. and prescribed rate of GST.

Copper wound 100MVA, 230/110KV, 3 Ph, 50Hz, Interconnect Transformer (ICT) with 33KV Tertiary winding with on- load Tap changing gear (OLTC), RTCC panel.

Complete set of 245 KV /40KA/1600 Amps spring operated SF6 circuit Breakers

Complete set of 245KV/40kA/ 1600 Amps Horizontal center rotating motor operated double break isolators with two no.of earth switch

Complete set of 245KV/40kA/ 1600 Amps Horizontal center rotating motor operated double break isolators, with out earth switch

Complete set of 245KV/40kA/ 1600 Amps Horizontal center rotating motor operated double break tandem isolators with individual mechanism for each pole with out earth switch

245 KV/ 40 KA, 1600-800/1-1-1-1-1A Current Transformer (Single Phase)

196kv, 10kA Gapless metal oxide surge arrester (Single phase) with surge counter and monitor

Complete set of mechanically ganged 145 KV /31.5KA/1600 Amps SF6 spring operated Circuit Breakers

Complete set of 145KV/31.5kA, 1600 Amps Horizontal Double Break isolators, mechanically ganged, motor operated with out earth switch,

Complete set of 145KV/31.5kA, 1600 Amps Horizontal Double Break motor operated Tandem isolators, without earth switch.

145 KV/ 31.5 KA, 1000-500-250/1-1-1-1-1A Current Transformer (Single Phase)

96kv, 10kA Gapless metal oxide surge arrester with surge counter,

IEC 61850 protocol SAS compatible 230/110 KV Power Transformer differential protection relay panel

IEC 61850 protocol SAS compatible ICT 230 KV side CB relay panel

IEC 61850 protocol SAS compatible ICT 230 KV side CB control panel

IEC 61850 protocol SAS compatible ICT 110 KV side CB Relay panel

IEC 61850 protocol SAS compatible ICT 110 KV side CB control panel

IEC 61850 protocol SAS compatible 110 KV line protection Relay panel

IEC 61850 protocol SAS compatible 110 KV line control panel

GI lattice Tower gantry for ICT 110KV supply take-off arrangements

Supply of ACSR ZEBRA conductor

Supply of ACSR PANTHER

Aluminium tube Bus bar for 230 KV side switchyard (Existing tube diameter to be matched)

Aluminium tube Bus bar for 110KV switch yard (Existing tube diameter to be matched)

145KV Solid core post insulator with GI support structure for 110KV switchyard

245KV Solid core post insulator with GI support structure for 230KV switchyard

Antifog Disc insulators for Substation use

Double tension fitting for double Zebra

Single tension fitting for double Zebra

Earth pits as required

40mm MS rod as required

Supply of Bay marshalling Boxes with support structure

Fire Protection System

9 litre water type

4.5kg DCP type

4.5kg CO2 type

50 Ltrs mechanical foam type

Steel bucket with Steel stand suitable for total 8 nos. of Buckets in 2 rows filled with sand.

Supply of Mandatory spares

230/110KV, 100MVA Auto Transformer spares

Set of Hydraulic jacks

Buchholz relay complete with contacts

Local & Remote winding temperature indicator with contacts

Oil temperature indicator with contacts

Cooler fan with motor

Oil pump with motor

Fuses(One set consists of complete replacement for one transformer)

Indicating Lamps(One set consists of complete replacement for 1 transformer)

Winding Temperature sensing element

Oil Temperature sensing element

Gas collecting bottle

Oil sample bottle

Pressure Relief Device

Oil Sample syringes

245KV Circuit Breaker spares

Tripping Coil

Closing Coil

Breaker control switch (TNC switch)

Spring Charge Limiting Switch

Spring charge motor

145KV Circuit Breaker spares

Tripping Coil

Closing Coil

Breaker control switch (TNC switch)

Spring Charge Limiting Switch

Spring charge motor

220KV Isolator

Fixed Contact Assembly

Moving Contact Assembly

Male/Female Contact Assembly Per Pole of Earth switch

Limit Switch (Close)

Limit Switch (Open)

196kV Lightning Arrestor spares

196kV LA Complete Unit

Surge Counter

96 kV Lightning Arrestor spares

96kV LA Complete Unit

Surge Counter

Control & Relay Panel spares

IED/Relays 61850 compatible communicable Distance protection relay

IED/Relays 61850 compatible communicable Transformer Differential Protection relay

IED/Relays 61850 compatible communicable Bay controler-cum Protection relay

Multifunction transducer 0.2s class accuracy with RD 485 port

Aux. Relay

Fuses & MCBs ( All Type & Ratings) - 2 Each

Indicating Lamp (All colours) - 2 each

Insulators disc spares

230KV side solid core Bus Post insulator spares

110KV side solid core Bus Post insulator spares

ERECTION SCOPE of WORKS: Charges for Handling, erection, testing and commissioning of the following items as per the Technical specification of the tender. Rate should be quoted along with GST No. and prescribed rate of GST.

Erection, Testing and Commissioning of :- Copper wound 100MVA, 230/110KV, 3 Ph, 50Hz interconnect Transformer with 33KV Tertiary winding with on- load Tap changing gear, RTCC panel and all associated works:

Handling, erection, testing and commissioning of the following items. Each of this item work also includes inter pole cabling, provision of 75x12mm/50x6mm GI flats for Earthing and allied fasteners and spring Washers, laying, terminations,testing, commissioning of power cables and multistrand copper control cables of various cores/sizes( supply of all suitable sizes luges and ferrules included) required between the control room building and the switchyard as per site conditions, RTU integration and other works as required for this work. Construction of concrete foundation of required dimension with steel reinforcement (Supply of all civil, steel materials, GI foundation bolts for each job included) with foundation bolts, It includes all charges for crane, transport. labours and experts

Handling, erection, testing and commissioning of Complete set of 245 KV /40KA/1600 Amps spring operated SF6 circuit Breakers

Handling, erection, testing and commissioning of Complete set of 245KV/40kA/ 1600 Amps Horizontal center rotating motor operated double break isolators, with two nos. of earth switch

Handling, erection, testing and commissioning of Complete set of 245KV/40kA/ 1600 Amps Horizontal center rotating motor operated double break isolators, without earth switch

Handling, erection, testing and commissioning of Complete set of 245KV/40kA/ 1600 Amps Horizontal center rotating motor operated double break tandem isolators with individual mechanism for each pole ,

Handling, erection, testing and commissioning of Complete set of 245 KV/ 40 KA, 1600-800/1-1-1-1-1A Current Transformer (Single Phase)

Handling, erection, testing and commissioning of Complete set of 196kv, 10kA Gapless metal oxide surge arrester (Single phase) with surge counter and monitor.

Handling, erection, testing and commissioning of complete set of Mechanically ganged suitable for 3 phase operation, 145 KV /31.5KA/1600 Amps SF6 spring operated Circuit Breakers

Handling, erection, testing and commissioning of 145KV/31.5kA, 1600 Amps Horizontal Double Break isolators, mechanically ganged, motor operated without earth switch

Handling, erection, testing and commissioning of Complete set of 145KV/31.5kA, 1600 Amps Horizontal Double Break motor operated Tandem isolators.

Handling, erection, testing and commissioning of 145 KV/ 31.5 KA, 1000-500-250/1-1-1-1-1A Current Transformer (Single Phase)

Handling, erection, testing and commissioning of 96kv, 10kA Gapless metal oxide surge arrester with surge counter.

Handling, erection, testing and commissioning of IEC 61850 protocol SAS compatible ICT 230KV side differential relay panel

Handling, erection, testing and commissioning of IEC 61850 protocol SAS compatible ICT 230 KV side CB relay panel

Handling, erection, testing and commissioning of IEC 61850 protocol SAS compatible ICT 230 KV side CB control panel

Handling, erection, testing and commissioning of IEC 61850 protocol SAS compatible ICT 110 KV side CB relay panel

Handling, erection, testing and commissioning of IEC 61850 protocol SAS compatible ICT 110 KV side CB control panel

Dismantling of existing Kurumbapet line bay relay panel. Handling, erection, testing and commissioning of IEC 61850 protocol SAS compatible 110 KV line protection Relay panel

Dismantling of existing Kurumbapet line bay control panel. Handling, erection, testing and commissioning of SAS compatible 110 KV line control panel

Charges for testings of 230/110KV ICT

Handling, erection, testing and commissioning of Bay marshalling Boxes with support structure on foundation.

Handling, erection, testing and commissioning of 145KV Solid core post insulator with GI support structure for 110KV switchyard

Handling, erection, testing and commissioning of 245KV Solid core post insulator with GI support structure for 230KV switchyard

Provision of equipment interconnection in proposed 110KV line bay with aluminium tube with matching dia of the existing Al. Tube bus. Supply of all required size of clamps included

Provision of equipment interconnection in proposed 230KV PTR bay with aluminium tube with matching dia of the existing Tub bus. Supply of all required size of clamps included

Handling, erection, testing and commissioning of GI lattice Tower gantry for ICT 110KV supply take-off arrangements at existing 110KV Kurumbapet line bay in 10KV switchyard

Replacement of existing 145 KV circuit breaker at 110KV Kurumbapet Line bay with new 145KV circuit breaker.

Relocation of existing Wave Trap in the existing 1110KV Kurumbapet Line bay to the proposed adjacent 110KV new Kurumbapet line bay.

Relocation of existing CVT in the existing 110KV Kurumbapet Line bay to the proposed adjacent 110KV new Kurumbapet line bay.

Relocation of existing Lightning arrester in the existing 110KV Kurumbapet Line bay to the proposed adjacent 110KV new Kurumbapet line bay.

Provision of Bus droppers along with clamp , equipment interconnections along with clamp in the proposed 230KV side PTR bay and proposed new 110KV Kurumbapet line bay. (Supply of all size clamps included). Provision of Pilot string insulator for jumpers wherever necessary.

Stringing from 230KV side switchyard existing ICT supply take-off gantry at the proposed ICT to the proposed 110KV supply take-off gantry at the existing Kurumbapet line bay and stringing of Jack bus from the proposed 110KV supply take-off gantry at existing 110KV Kurumbapet line bay to the outgoing gantry at the existing Kurumbapet line bay for providing 110KV link to the Main bus of the existing 110KV switchyard.

Re-orientation of the existing 110KV Kurumbapet line at Take-off point from existing 110KV Kurumbapet bay to the proposed adjacent new 110KV bay.

Provision of earth pits wherever required in the new PTR bays. Provision of metal jelly over the PCC layer in the proposed ICT bay at 230KV yard and at proposed new 110KV bay adjacent to existing Kurumbapet line bay. Extension of existing trenches in the proposed 230KV and 110KV switchyard wherever required and covering of the trenches with concrete slabs.

Amara Raja Infra Private Limited (BID ID -54454)

Techno Electric & Engineering Company Limited (BID ID -54456)