Turnkey construction of 2(Two) Nos. of 33KV Bay for APDCL at 220KV GSS, AEGCL, Namrup

Amount

33kV, 31.5kA, 1250A, SF6 Gang operated Circuit Breaker including Terminal connectors and Gas filling kit

33kV, 25kA, 1250A motorised isolators with Earth Switch complete with all fittings and accessories including Terminal connectors

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

33kV, 400/1-1A, 2-core single phase CT complete with all fittings and accessories including Terminal connectors (0.2 class, live tank type)

33KV Lightning Arrester complete with all fittings and accessories including Terminal connectors

33kV Post Insulator with all fittings including Terminal connectors

Mounting structures with mounting and foundation bolts as per drawing

33KV Motorized isolators without earth switch

33KV Motorized isolators with earth switch

Switchyard structure (3 Column & 2 beam)

33kV Feeder Control and Relay Panel (Simplex Type) suitable for integration to existing SAS Siemens make

Managed Ethernet switch with OF PATCH cable

ABT complaint energy meter meeting SAMAST scheme specifications including installation

Insulator strings, clamps & connectors (UPG, T etc)

T clamps Zebra to Zebra

UPG clamps for Zebra

ACSR Zebra Conductor

Earthmat Extension and grounding of equipments

Main earth mat (65×12 mm GI flat)

65×12 GI flat earth for risers, equipment earthing

50×6 GI flat earthing conductir for earthing of indoor L.T and control panels, Junction box, marshelling boxes, cable trenches etc.

Earth elctrode, 100mm dia, 3 m long GI pipe

Armoured Control cable (Copper)

4C×2.5 sqmm

7C×1.5 sqmm

12C × 1.5 sqmm

Armoured Power cable (Aluminium)

2C×6 sqmm

4C×16 sqmm

3.5C× 35 sqmm

LED Lights for switchyard Illumination including fitting and fixing

Supply of AC Marshelling Kiosk including construction of foundation, installation and cable foundation 1. 2No.63A, 4P (Incomer) 2. 3No.25A, 4P (Outgoing) 3. 8No.16A, 4P (Outgoing) 4. 8No. 10A, 4P (Outgoing) 5. 5No. 10A, 2P (Outgoing)

Mandatoty Spares

Operating mechanism for 33KV SF6 CB

Trip Coil for 33KV SF6 CB

Closing coil for 33KV SF6 CB

Spring charging Motor for 33KV SF6 CB

SF6 gas density monitor for 33KV SF6 CB

33kV, 25kA, 1250A isolators Female Contact (Entire Assembly)

33kV, 25kA, 1250A isolators Moving Contact (Entire Blade Assembly)

33kV, 400/1-1A, 2-core single phase CT

33kV Lightning Arrester

Numerical Backup Relay

Master Trip Relay

SF6 Gas Cylinder

Bay Control Unit

Clamps & Terminal connectors (UPG clamps for Zebra)

OFC patch Cord (ST-LC)

OFC patch Cord (ST-ST)

Description of Work / Item(s)

Amount

33kV, 31.5kA, 1250A, SF6 Gang operated Circuit Breaker including Terminal connectors and Gas filling kit

33kV, 25kA, 1250A motorised isolators with Earth Switch complete with all fittings and accessories including Terminal connectors

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

33kV, 400/1-1A, 2-core single phase CT complete with all fittings and accessories including Terminal connectors (0.2 class, live tank type)

33KV Lightning Arrester complete with all fittings and accessories including Terminal connectors

33kV Post Insulator with all fittings including Terminal connectors

Mounting structures with mounting and foundation bolts as per drawing

33KV Motorized isolators without earth switch

33KV Motorized isolators with earth switch

Switchyard structure (3 Column & 2 beam)

33kV Feeder Control and Relay Panel (Simplex Type) suitable for integration to existing SAS-Siemens

Managed Ethernet switch with OF PATCH cable

ABT complaint energy meter meeting SAMAST scheme specifications including installation

Insulator strings, clamps & connectors (UPG, T etc)

T clamps Zebra to Zebra

UPG clamps for Zebra

ACSR Zebra Conductor

Earthmat Extension and grounding of equipments

Main earth mat (65×12 mm GI flat)

65×12 GI flat earth for risers, equipment earthing

50×6 GI flat earthing conductir for earthing of indoor L.T and control panels, Junction box, marshelling boxes, cable trenches etc.

Earth elctrode, 100mm dia, 3 m long GI pipe

Armoured Control cable (Copper)

4C×2.5 sqmm

7C×1.5 sqmm

12C × 1.5 sqmm

Armoured Power cable (Aluminium)

2C×6 sqmm

4C×16 sqmm

3.5C× 35 sqmm

LED Lights for switchyard Illumination including fitting and fixing

Supply of AC Marshelling Kiosk including construction of foundation, installation and cable foundation 1. 2No.63A, 4P (Incomer) 2. 3No.25A, 4P (Outgoing) 3. 8No.16A, 4P (Outgoing) 4. 8No. 10A, 4P (Outgoing) 5. 5No. 10A, 2P (Outgoing)

Mandatoty Spares

Operating mechanism for 33KV SF6 CB

Trip Coil for 33KV SF6 CB

Closing coil for 33KV SF6 CB

Spring charging Motor for 33KV SF6 CB

SF6 gas density monitor for 33KV SF6 CB

33kV, 25kA, 1250A isolators Female Contact (Entire Assembly)

33kV, 25kA, 1250A isolators Moving Contact (Entire Blade Assembly)

33kV, 400/1-1A, 2-core single phase CT

33kV Lightning Arrester

Numerical Backup Relay

Master Trip Relay

SF6 Gas Cylinder

Bay Control Unit

Clamps & Terminal connectors (UPG clamps for Zebra)

OFC patch Cord (ST-LC)

OFC patch Cord (ST-ST)

Description of Work / Item(s)

Amount

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

33kV SF6 Circuit Breaker

33kV Isolator

33kV Post Insulator

Erection of switchyard lattice tower structures including construction of foundation

Erection of Beam

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

33kV SF6 Circuit Breaker

33kV Isolator

33kV Post Insulator

Installation of earthing system

Installation of earth electrode for LA with test links including construction of covered earth pits

Construction of extended earth mat using GI flats and connection to risers for equipment earthing as directed

Construction of Cable Trenches & Slab

C-Type

D-Type

Switchyard PCC and Gravelling

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 KIOSK including testing and commissioning of C&R panel

Integration of C&R panel into existing SAS (Siemens) including Testing and commissioning

Mega Electricals

Mega Electricals

Mega Electricals