Turnkey Construction of one no. of 33kV feeder bay along with associated works at 132kV Sishugram GSS, AEGCL

Amount

Supply of Equipments and accessories

33kV, 31.5kA/3sec, 2000A, Gang operated Vaccum Circuit Breaker complete with mounting structure and accessories including Terminal connectors etc.

33kV, 25kA/3sec, 1250A Isolators with Earth Switch complete with all fittings and accessories including Terminal connectors.

33kV, 25kA, 1250A Isolators without Earth Switch complete with all fittings and accessories including Terminal connectors.

33kV, 400-200/1-1A, 2-Core Single Phase CT complete with all fittings and accessories including Terminal connectors (0.2S-5P20 Class, live tank type).

CT Junction BOX

33kV Lightning Arrester complete with all fittings and accessories including Terminal connectors, surge counter and base insulator.

33kV, 8kN Post insulator with all fittings

Mounting Structures with mounting & foundation bolts as per drawing.

a) 33kV Motorised isolators without Earth Switch

b) 33kV CT

c) 33kV LA

d) 33kV PI

e) 33kV Motorised isolators with Earth Switch

33kV Feeder Control and Relay Panel (Simplex Type) with BCU, ethernet switch and all accessories suitable for SAS integration with existing SAS system of Siemens make.

Supply of 3Ph 4 Wire Energy Meter (0.2S class, SAMAST Compliant and suitable for integration in existing Secure make system)

Terminal connectors 33 kV side. The quantity of terminal connectors shall be as per sub-station layout & shall be supplied as per technical specification of individual equipment requirement

ACSR Zebra conductor

UPG Clamp (ZEBRA to ZEBRA)

UPG Clamp (ZEBRA to Panther)

UPG Clamp (Panther to Panther)

Double Tension Clamp with Hardware fittings for Twin Zebra Conductor (spacing-250mm)

Spacer for Twin Zebra conductor (Spacing 250mm)

UPG Clamp (MOOSE to ZEBRA)

CB Clamp for MOOSE conductor

CT Clamp for MOOSE Conductor (Stud Dia 30 mm)

Isolator Clamp for Moose Conductor

ACSR Panther Conductor

1x4, 90 KN tension Disc Insulator string complete with all hardware fittings, clamps, arching horn etc. suitable for Zebra conductor for Bus Extension and augmentation works

Earthmat Extension and grounding of equipments

a) 65x12 GI flat Earthing conductor for earthmate.

b) 50x6 MM GI flat

c) Earth Electrode, 50mm dia, 3 m long GI perforated pipe

d) GI steel wires (37/3.5mm)

PVC Armoured Control Cable (Copper)

a) 4CX2.5 sqmm

b) 7CX1.5 sqmm

c) 14CX 1.5 sqmm

XLPE Armoured Power Cable (Copper)

a) 2CX6 sqmm

b) 4CX 16sqmm

c) 3 1/2 C X 35 sqmm

100W LED Lights for Switch Yard Illumination, including Fitting and fixing

415V AC Distribution Board (o/g feeder 10 Nos.) OUTDOOR TYPE

Supply of 33 KV Switchyard Structure

Column

HT Danger Plate

Mandatory Spares

For 33kV SF6 CB

Trip Coil for 33kV CB

Closing coil for 33kV CB

Spring charging motor

33kV, 25kA, 1250A Isolators Contacts (1 Male & 1 Female Contact =1Set)

33kV, 400/1-1A, 2-Core Single Phase CT

33kV Lightning Arrester

Master Trip Relay

Bay Control Unit

O/c & E/f relay

Cable Tray

a) Perforated Type 450 mm Wide

b) Perforated Type 300 mm Wide

25 Mts Lightning Mast With 2.5 Mtr spike and GI steel wire (Lattice type)

Description of Work / Item(s)

Amount

F&I of Equipments and accessories

33kV, 31.5kA/3sec, 2000A, Gang operated Vaccum Circuit Breaker complete with mounting structure and accessories including Terminal connectors etc.

33kV, 25kA/3sec, 1250A Isolators with Earth Switch complete with all fittings and accessories including Terminal connectors.

33kV, 25kA, 1250A Isolators without Earth Switch complete with all fittings and accessories including Terminal connectors.

33kV, 400-200/1-1A, 2-Core Single Phase CT complete with all fittings and accessories including Terminal connectors (0.2S-5P20 Class, live tank type).

CT Junction BOX

33kV Lightning Arrester complete with all fittings and accessories including Terminal connectors, surge counter and base insulator.

33kV, 8kN Post insulator with all fittings

Mounting Structures with mounting & foundation bolts as per drawing.

a) 33kV Motorised isolators without Earth Switch

b) 33kV CT

c) 33kV LA

d) 33kV PI

e) 33kV Motorised isolators with Earth Switch

33kV Feeder Control and Relay Panel (Simplex Type) with BCU, ethernet switch and all accessories suitable for SAS integration with existing SAS system of Siemens make.

Supply of 3Ph 4 Wire Energy Meter (0.2S class, SAMAST Compliant and suitable for integration in existing Secure make system)

Terminal connectors 33 kV side. The quantity of terminal connectors shall be as per sub-station layout & shall be supplied as per technical specification of individual equipment requirement

ACSR Zebra conductor

UPG Clamp (ZEBRA to ZEBRA)

UPG Clamp (ZEBRA to Panther)

UPG Clamp (Panther to Panther)

Double Tension Clamp with Hardware fittings for Twin Zebra Conductor (spacing-250mm)

Spacer for Twin Zebra conductor (Spacing 250mm)

UPG Clamp (MOOSE to ZEBRA)

CB Clamp for MOOSE conductor

CT Clamp for MOOSE Conductor (Stud Dia 30 mm)

Isolator Clamp for Moose Conductor

ACSR Panther Conductor

1x4, 90 KN tension Disc Insulator string complete with all hardware fittings, clamps, arching horn etc. suitable for Zebra conductor for Bus Extension and augmentation works

Earthmat Extension and grounding of equipments

a) 65x12 GI flat Earthing conductor for earthmate.

b) 50x6 MM GI flat

c) Earth Electrode, 50mm dia, 3 m long GI perforated pipe

d) GI steel wires (37/3.5mm)

PVC Armoured Control Cable (Copper)

a) 4CX2.5 sqmm

b) 7CX1.5 sqmm

c) 14CX 1.5 sqmm

XLPE Armoured Power Cable (Copper)

a) 2CX6 sqmm

b) 4CX 16sqmm

c) 3 1/2 C X 35 sqmm

100W LED Lights for Switch Yard Illumination, including Fitting and fixing

415V AC Distribution Board (o/g feeder 10 Nos.) OUTDOOR TYPE

Supply of 33 KV Switchyard Structure

Column

HT Danger Plate

Mandatory Spares

For 33kV SF6 CB

Trip Coil for 33kV CB

Closing coil for 33kV CB

Spring charging motor

33kV, 25kA, 1250A Isolators Contacts (1 Male & 1 Female Contact =1Set)

33kV, 400/1-1A, 2-Core Single Phase CT

33kV Lightning Arrester

Master Trip Relay

Bay Control Unit

O/c & E/f relay

Cable Tray

a) Perforated Type 450 mm Wide

b) Perforated Type 300 mm Wide

25 Mts Lightning Mast With 2.5 Mtr spike and GI steel wire (Lattice type)

Description of Work / Item(s)

Amount

Erection of mounting structure as required, including construction of foundation and supply of all foundation materials, structure earthing and Labour etc.

33kV Vaccum Circuit Breaker

33kV Isolator

33kV Post Insulator

Erection, Testing and commissioning including laying of control and power cables and equipment earthing as required

33kV Vaccum Circuit Breaker

33kV Isolator

33kV Post Insulator

Construction of Foundation for lattice steel column including supply of all foundation material and labour etc.

Column

Errection of lattice steel structure along with structure earthing

Column

Erection and construction of foundation of 10 mtr. Lightning Mast With 2.5 m spike and GI steel wire (Lattice type)

Installation of earthing system

Installation of earth electrode with test links including construction of CI covered earth pits.

Construction of extended earth mat using GI flats (65x12 mm) and connection to risers for equipment earthing as directed.

Erection of 50x6 mm GI flat

CONSTRUCTION OF CABLE TRENCH & SLAB including supply of all foundation material and labour etc.

a) C Type (including connection to existing 132kV trench)

b) D type

SWITCHYARD PCC AND GRAVELLING including supply of all material and labour etc.

Providing 80mm thick PCC base in prop 1:4:8 as per drawing & specifications including supply of all materials and labour.

Providing switchyard gravelling (100mm thickness) levelling etc as per directive of site engineer.

Installation and commissioning of the C&R panel

Installation in control room, including testing and commissioning of C&R panel and integration to existing SAS system of Siemens Make.

Erection of Terminal connectors 33 kV side/Bus Extension and Augmentaion.

Dismantling of Single Bus Conductor and storing as required.

Dismantling of droper, jumper etc and storing as required.

Dismantling of single tension clamp with hardware fittings and insulator along with storing as required.

Dismantling of Single suspension clamp with hardware fittings and insulatorsas required and storing as required.

Stringing of Twin Bus with ACSR Zebra conductors upto extended section of 33KV Bus including hanging of single disc insulator string for both tension and suspension insulators alongwith fitting and fixing of clamp and hardware fittings , jumpering to isolators with L pice with UPG clamp, spacer, etc. and storing as required.

P & S CONSTRUCTION

HI-TECH CORPORATION

M/S Assam Electric Store

HI-TECH CORPORATION

HI-TECH CORPORATION

M/S Assam Electric Store