Turnkey Construction of 33kV feeder bay at 132kV Betbari GSS for feeding power to Swargadew

Amount

Supply of Circuit Breakers with mounting structure and terminal connectors and foundation bolt as required,

33kV Gang Operated Vacuum Circuit Breaker

Supply of feeder Current transformer (1-Phase, 0.2 Class live tank type) including all accessories and terminal connectors as required.

33kV, 400-200/1-1 A, 2 core CT

Marshalling Box (complete with all accessories) for CT

Supply of Potential transformer including all accessories and terminal connectors as required.

Marshalling Box for PT

Supply of 33kV motor operated Isolators with terminal connectors, complete with all fittings and fixtures.

With earth switch

Without earth switch

Supply of 33kV Lightning Arrestor with surge monitor and all accessories as required including terminal connectors.

Supply of 33kV Post insulator along with terminal connectors.

Supply of 33kV equipment mounting structures, complete with all nuts and bolts and foundation bolts.

33kv motor operated Isolator With earth switch

33kv motor operated Isolator Without earth switch

Supply of 33kV feeder Control & Relay Panel Simplex Type complete with BCU, ethernet switch and all accessories as required for SAS integration.

SIEMENS make CRP Capable of integration into Existing SAS at Betbari GSS

Supply of 3ph, 4 wire Energy meter (Class-0.2) as per specification.

Supply of armoured Power Cables (Aluminium)

2C, 6 sqmm

4C, 16 sqmm

3 1/2 C, 35 sqmm

Supply of armoured Control Cables (Copper)

4C, 2.5 sqmm

7C, 1.5 sqmm

12C, 1.5 sqmm

Supply and Installation of AC marshalling KIOSK including construction of foundation as required. 1. 2No.63A, 4P(incoming) 2. 3No. 25A, 4P(Outgoing) 3. 8No. 16A, 4P(Outgoing) 4. 8No. 10A, 4P(Outgoing) 5. 5No. 10A, 2P(Outgoing)

Supply of 33kV Swithchyard Structures

Coulmn : 2 Nos

Beam: Type - 1 Nos.

Supply of Insulator string and hardware fittings complete with all accessories

UPG/T Clamps (Panther to Moose)

Supply of ACSR Conductor

Supply of Havells, 60 W LED lighting set with all fitings and clamps for switchyard illumination.

Earth mat Extension and equipment earthing

Supply of Earth Mat(65*12mm GI Flat)and connection to riser for equipment earthing as directed

50X6 GI flat earthing conductor for earthing of indoor LT & Control Panels, junction box, marshalling box etc.

100mm dia earth electrode , 3mtr. Long GI pipe with test link

Mandatory Spares for 33kv Circuit Breaker

Closing Coil

Tripping Coil

Spring Charging Motor

Operating mechanism

Set of all type of Gaskets

Mandatoty Spares

33kV isolator contacts, (01 male & 01 Female = 1 set)

33kV, 400-200/1-1 A, 2 core CT

Numerical back up relay

Bay Control Unit

Master Trip Relay

Description of Work / Item(s)

Amount

Circuit Breakers with mounting structure and terminal connectors AND FOUNDATION BOLTas required,

33kV Gang Operated Vacuum Circuit Breaker

Current transformer (1-Phase, 0.2 Class live tank type) including all accessories and terminal connectors as required.

33kV, 400-200/1-1 A, 2 core CT

Marshalling Box (complete with all accessories) for CT

Potential transformer including all accessories and terminal connectors as required.

Marshalling Box for PT

33kV motor operated Isolators with terminal connectors, complete with all fittings and fixtures.

With earth switch

Without earth switch

33kV Lightning Arrestor with surge monitor and all accessories as required including terminal connectors.

33kV Post insulator along with terminal connectors.

33kV equipment mounting structures, complete with all nuts and bolts and foundation bolts.

33kv motor operated Isolator With earth switch

33kv motor operated Isolator Without earth switch

33kV feeder Control & Relay Panel Simplex Type complete with BCU, ethernet switch and all accessories as required for SAS integration.

SIEMENS make CRP Capable of integration into Existing SAS at Betbari GSS

3ph, 4 wire Energy meter (Class-0.2) as per specification.

Armoured Power Cables (Aluminium)

2C, 6 sqmm

4C, 16 sqmm

3 1/2 C, 35 sqmm

Armoured Control Cables (Copper)

4C, 2.5 sqmm

7C, 1.5 sqmm

12C, 1.5 sqmm

AC marshalling KIOSK including construction of foundation as required. 1. 2No.63A, 4P(incoming) 2. 3No. 25A, 4P(Outgoing) 3. 8No. 16A, 4P(Outgoing) 4. 8No. 10A, 4P(Outgoing) 5. 5No. 10A, 2P(Outgoing)

33kV Swithchyard Structures

Coulmn : 2 Nos

Beam: Type - 1 Nos.

Insulator string and hardware fittings complete with all accessories

UPG/T Clamps (Panther to Panther)

ACSR Conductor

Havells, 60 W LED lighting set with all fitings and clamps for switchyard illumination.

Earth mat Extension and equipment earthing

Earth Mat(65*12mm GI Flat)and connection to riser for equipment earthing as directed

50X6 GI flat earthing conductor for earthing of indoor LT & Control Panels, junction box, marshalling box etc.

100mm dia earth electrode , 3mtr. Long GI pipe with test link

Mandatory Spares for 33kv Circuit Breaker

Closing Coil

Tripping Coil

Spring Charging Motor

Operating mechanism

Set of all type of Gaskets

Mandatoty Spares

33kV isolator contacts, (01 male & 01 Female = 1 set)

33kV, 400-200/1-1 A, 2 core CT

Numerical back up relay

Bay Control Unit

Master Trip Relay

Description of Work / Item(s)

Amount

Erection, Testing & Commissioning of equipment including laying & termination of LT Power and Control Cables and connection of terminal clamp connectors, drop jumpering etc as required along with equipment earthing.

33kV gang operated Vaccum Circuit breaker.

33kV , 400-200/1-1 A, 2 core feeder CT including marshalling Box.

33kV Isolator with earth switch.

33kV Isolator without earth switch.

33kV Lightning Arrestor including all accessories.

Erection of equipment mounting structure including excavation, construction of foundation, backfiling, compacting and supply of all foundation materials and labour as per supervision of site engineer.

33kV gang operated Circuit breaker.

33kV , 400-200/1-1 A, 2 core feeder CT including marshalling Box.

33kV Isolator with earth switch.

33kV Isolator without earth switch.

33kV Lightning Arrestor including all accessories.

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

Column: 2Nos

Erection of lattice steel structures along with structure earthing

Coulmn : 2 Nos

Beam: 1 No.

Installation, testing and commissioning of SIEMENS make 33kV feeder control and relay panel including integration to existing SAS of Betbari GSS

Installation and testing of 3ph, 4 wire energy meter in Control panel.

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

Type - C

Type - D

Providing 80mm thick 1:4:8 PCC base of switchyard including supply of all materials and labour.

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

Installation of switchyard illumination LED lights, including cable and necessary termination.

Installation of earthing system

Construction of extended earth mat (65x12 mm GI flat) and connection to riser for equipment earthing as directed including painting of welded joints with bitumen paint

Installation of 50X6 GI flat earthing conductor for earthing of indoor LT & Control Panels, junction boxe, marshalling box etc.

100mm dia earth electrode , 3mtr. Long GI pipe with test link including construction of covered earth pit

PRODIPTA DEY

DABJIT GOGOI

PRODIPTA DEY

Assam Electricals

PRODIPTA DEY

Assam Electricals