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

Amount

33kV, 1250A, Gang Operated Vaccum Circuit Breaker with mounting structures accessories including Terminal connectors

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, 400-200/1-1A, 2-core single phaseCT complete with all fittings and accessories including Terminal connectors, CT,JB (0.2 class, live tank type)

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

33kV Post Insulator with all fittings including Terminal connectors

Mounting structures with all fittings , nuts and bolts including foundation bolts as per drawing

33KV Motorized isolators without earth switch

33KV Motorized isolators with earth switch

Supply of switch yard structures

Column Type-C5

Column Type-C7

Beam Type- B5/B6

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

Managed Ethernet switch with OF PATCH cable

ABT complaint energy meter conforming SAMAST scheme specifications including installation

Insulator strings, clamps & connectors (Spacer, T clamp etc)

Double Tension Disc Insulator(90KN) string with hardware fittings for twin ACSR Zebra and required termination clamps.

Single suspension string with hardware fittings for twin ACSR-Zebra

Spacers as required

T clamps Zebra to Zebra

ACSR Zebra Conductor

Earthmat Extension and grounding of equipments

Main earth mat (65×12 mm GI flat)

100 mm dia 3 mtr. Long GI Pipe electrode with test links

50×6 mm GI flat earthing conductor for earthing of control panels, Junction box, marshelling boxes, etc.

40mm dia, 3 m long MS rod earth electrode(driven) with test links for each tower with peak and LA etc

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

3-1/2C× 35 sqmm

LED Lights(60W) for switchyard Illumination including fitting and fixing

Supply of AC Marshelling Kiosk including construction of foundation as required installation work 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 VCB

Trip Coil for 33KV VCB

Closing coil for 33KV VCB

Spring charging Motor for 33KV for VCB

Set of all Gaskets for 33KV VCB

Pole for 33KV VCB suitable to fit in all the phases

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

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

33kV, 400-200/1-1A, 2-core single phase CT ( Class - 0.2)

33kV Lightning Arrester

Numerical Backup Relay

Master Trip Relay

Bay Control Unit

33kV CT clamp Single Zebra

33kV Isolator clamp Single Zebra

OFC patch Cord (ST-LC)

OFC patch Cord (ST-ST)

Description of Work / Item(s)

Amount

33kV, 1250A, Gang Operated Vaccum Circuit Breaker with mounting structures accessories including Terminal connectors

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, 400-200/1-1A, 2-core single phaseCT complete with all fittings and accessories including Terminal connectors, CT,JB (0.2 class, live tank type)

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

33kV Post Insulator with all fittings including Terminal connectors

Mounting structures with all fittings, nuts and foundation bolts including foundation bolts as per drawing

33KV Motorized isolators without earth switch

33KV Motorized isolators with earth switch

Supply of switch yard structures

Column Type-C5

Column Type-C7

Beam Type- B5/B6

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

Managed Ethernet switch with OF PATCH cable

ABT complaint energy meter conforming SAMAST scheme specifications including installation

Insulator strings, clamps & connectors (Spacer, T clamp etc)

Double Tension Disc Insulator(90KN) string with hardware fittings for twin ACSR Zebra and required termination clamps.

Single suspension string with hardware fittings for twin ACSR-Zebra

Spacers as required

T clamps Zebra to Zebra

ACSR Zebra Conductor

Earthmat Extension and grounding of equipments

Main earth mat (65×12 mm GI flat)

100 mm dia 3 mtr. Long GI Pipe electrode with test links

50×6 mm GI flat earthing conductor for earthing of control panels, Junction box, marshelling boxes, etc.

40mm dia, 3 m long MS rod earth electrode(driven) with test links for each tower with peak and LA etc

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

3-1/2C× 35 sqmm

LED Lights(60W) for switchyard Illumination including fitting and fixing

Supply of AC Marshelling Kiosk including construction of foundation as required installation work 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 VCB

Trip Coil for 33KV VCB

Closing coil for 33KV VCB

Spring charging Motor for 33KV for VCB

Set of all Gaskets for 33KV VCB

Pole for 33KV VCB suitable to fit in all the phases

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

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

33kV, 400-200/1-1A, 2-core single phase CT ( Class- 0.2)

33kV Lightning Arrester

Numerical Backup Relay

Master Trip Relay

Bay Control Unit

33kV CT clamp Single Zebra

33kV Isolator clamp Single Zebra

OFC patch Cord (ST-LC)

OFC patch Cord (ST-ST)

Description of Work / Item(s)

Amount

Erection of mounting structures as required including construction of foundation and supply of all foundation materials

33kV Vacuum Circuit Breaker

33kV Isolator with earth switch

33kV Isolator without earth switch

33kV Post Insulator

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

33kV Vacuum Circuit Breaker

33kV Isolator with earth switch

33kV Isolator without earth switch

33kV Post Insulator

Construction of foundation for lattice steel columns including supply of all foundation materials and labours

Column C5

Column C7

Erection of lattice steel columns & beams along with required earthing

Column C5

Column C7

Beam B5/B6

Hoisting of insulator string and stringing of conductor

Installation, testing and commissioning of 33kV feeder control and relay panel including integration to existing SAS( SIEMENS) in presence of service engineers of existing SAS

Construction of covered cable trenches including supply of all foundation materials and labours as per drawing and specification

Type-C

Type-D

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

Providing 100 mm thick gravelling on the switchyard including leveling etc. as per directive of site engineer

Installation of switchyard illumination lighting set including laying of power cables and necessary termination

Installation of earthing system

Installation of main earth mat (65X12mm GI flat) and connection to riser including painting of welded joints with bitumen paint

Installation of 50X6mm GI flat for earthing of indoor LT & control panels, juncton box, marshalling box etc.

Installation of 40 mm dia 3 m long MS rod earth electrode including necessary connection to risers/earth mat etc.

Installation of 100mm dia 3 m long earth electrode with test links including construction of covered earth pits

Jayanta Khaund

Everlite Engineering Industries

M/S Assam Electric Store

Jayanta Khaund

Everlite Engineering Industries

D J ENGINEERING

D J ENGINEERING

Everlite Engineering Industries

Jayanta Khaund