RVPN/EHV/BN-9018001816

MAIN MATERIAL/ ITEMS

Circuit Breaker

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above 1.01

Current Transformer (LIVE TANK TYPE ONLY)

2000-1000-500/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers

Terminal Connectors for above item 2.01

2000-1000-500/1-1-1-1-1 Amp. 245 kV single phase two core current transformers for metering (0.2 S class (Live Tank type).

Terminal Connectors for above item 2.01

Capacitive Voltage Transformer

245 kV single phase 4400 pF CVT suitable for carrier coupling voltage ratio 220/0.11 kV.

Terminal Connectors for above item 3.01

245 kV single phase 4400 pF CVT suitable for metering g voltage ratio 220/0.11 kV (0.2 class) .

Terminal Connectors for above item 3.01

Isolator

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above 4.01

Post insulators for above item 4.01

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above item 4.04

Post insulators for above item 4.04

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Double Earth Blade complete with all accessories.

Terminal Connectors for above item 4.07

Post insulators for above item 4.07

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above item 4.10

Post insulators for above item 4.10

Surge Arresters

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above item 5.01

CONTROL, RELAY & PROTECTION PANELS

220kV Relay Panel for Feeders

Necessary peripherial units, hardware, software, wiring for adding new 2 Nos. 220 kV bay (as per scope of specifications) in existing 220 kV bus bar protection scheme [Refer Clause No.7.4.4 of Volume II, Part-3, Section-I of the specification]

SUBSTATION AUTOMATION SYSTEM

Augmentation of existing substation automation system (IEC-61850 based M/s Alstom make) for new 2 Nos. 220kV bays alongwith Bay Control Units (BCU),IEDs, Fiber Optic, Ethernet Switches, Hardware & software etc. as per scope of the specification.

HARDWARE AND MECHANICAL/ELECTRICAL AUXILIARIES

245 kV double tension string assembly with single anchoring points with 15 Nos. anti fog type disc per string with all hardware accessories, including corona ring, turn buckle, arching horn and tension clamp set suitable for singleTarantulla conductor .

i) With Turn Buckle

ii) Without Turn Buckle

245 kV single suspension string insulator assembly with 15 Nos. anti fog type disc insulators with all hardware accessories including corona ring, arching horn and suitable for through / drop clamp set for single conductor .

Through type

Dropper type

245 kV Bus Post Insulators other than those not included with individual equipment but including BPI for WT.

245 kV Clamps and Connectors other than those not included with individual equipment.

All type clamp and connectors for earthwire and GS flat

Spacers -All type (Rigid type)

Spacers -All type (Flexible type)

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40 mm dia MS Rod

40 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Note:- i) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. ii) All the dropped jumpers shall be of Y-type

Bay Marshalling kiosks For 220 kV

Earthwire tension clamps with D. Shackle assembly and earth bond

Lugs to suit 10.98 mm GS Earthwire

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

1.1 kV grade XLPE / PVC insulated armoured Al. conductor power cable

Streight through Joints for 1.1 kV grade XLPE / PVC insulated power cable as required

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipe for road crossing NP-4 class (Sizes shall be recommended by the bidder)

Pressure die cast AL(LM-6) nylon-6 make trifoil clamp for recommended cables

MS angle flat & ISMC channel (All sizes)

AAC Tarantulla conductor

10.98mm dia GS earth wire

ILLUMINATION OF AC KIOSK BUILDING By providing Fluorescent lamps, Fluorescent lamps fixtures, Incandescent lamps, Incandescent lamps fixtures, Switch Board & Modular Switches, Cable Conduit and accessories etc. as per technical specification.

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

FIRE DETECTION AND ALARM SYSTEM FOR AC KIOSK By providing addressable Photo Electronic light scattered smoke detectors with / without duct caging, addressable ionization chamber smoke detectors, FRLS control cables etc.

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

Extension of existing hydrant system upto 220kV Kiosk including Hose pipe of suitable length and fitted with accessories like branch pipes, Nozzles etc. kept in Hose boxes.

AIR CONDITIONING SYSTEM

Design, supply, installation, testing and commissioning of Air conditioning & ventilation system for kiosk of bay level units in switchyard as per specification alongwith the necessary spares for satisfactory operation for 5 (five) years. .

STRUCTURES: Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for lattice steel structure. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURE

220 kV tower type AT1

220 kV tower type AT4

220 kV tower type AT6

220 kV tower type AT6 with peak

220 kV Beam type AB1/AB2

220 kV CT Support Structures

PIPE STRUCTURES

220 kV CVT

220 kV Surge Arrestor

220 kV Isolator

220 kV BPI

Any Other item required for successful completion of work

Description of Work / Item(s)

Service part

CIRCUIT BREAKER

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above 1.01

CURRENT TRANSFORMER (LIVE TANK ONLY)

2000-1000-500/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers.

Terminal Connectors for above 2.01

2000-1000-500/1-1-1-1-1 Amp. 245 kV single phase two core current transformers for metering (0.2 S class (Live Tank type).

Terminal Connectors for above 2.01

245 kV single phase 4400 pF CVT suitable for carrier coupling voltage ratio 220/0.11 kV.

Terminal Connectors for above 3.01

245 kV single phase 4400 pF CVT suitable for metering g voltage ratio 220/0.11 kV (0.2 class) .

Terminal Connectors for above 3.01

ISOLATOR

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above 4.01

Post insulators for above 4.01

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above 4.04

Post insulators for above 4.04

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Double Earth Blade complete with all accessories.

Terminal Connectors for above 4.07

Post insulators for above item 4.07

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above 4.10

Post insulators for above 4.10

SURGE ARRESTOR

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above 5.01

CONTROL, RELAY & PROTECTION PANELS & ASSOCIATED MANDATORY SPARES/EQUIPMENTS

220kV Relay Panel for Feeders

Necessary peripherial units, hardware, software wiring for adding new 1 Nos. 220 kV bays (as per scope of specification) in the existing 220 kV Bus Bar Protection Scheme (M/s.Areva Make)

SUBSTATION AUTOMATION SYSTEM

Supply. erection, testing & commissioning of Ethernet Switch, OFC, BCU, IEDs etc. to complete the scope of integrating of 1 nos. 220 kV feeder bays with the existing M/s Siemens supplied SAS system.

HARDWARES AND MECHANICAL/ELECTRICAL AUXILLIARIES Note:- (i) The items under the Hardware, Mechanical/Electrical auxiliaries, Structures and civil works have been listed for the purposes of Bid preparation. The Bidder is required to estimate the quantities. The bidder is required to indicate unit rate and total price of the items under respective heads in bid proposal sheets. The bidder may note that the list indicated below is not exhaustive and he may modify the same to meet the complete requirement of specification. The cement and steel shall be supplied by the Contractor. (ii) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. (iii) All the dropped jumpers shall be of Y-type.

245 kV double tension string assembly with single anchoring points with 15 Nos. anti fog type disc per string with all hardware accessories, including corona ring, turn buckle, arching horn and tension clamp set suitable for single / Twin Tarantulla bundle with 300mm sub conductor spacing.

i) With Turn Buckle

ii) Without Turn Buckle

245 kV single suspension string insulator assembly with 15 Nos. anti fog type disc insulators with all hardware accessories including corona ring, arching horn and suitable for through / drop clamp set for single/Twin Tarantulla bundle with 300mm sub conductor spacing. i) Through type

245 kV single suspension string insulator assembly with 15 Nos. anti fog type disc insulators with all hardware accessories including corona ring, arching horn and suitable for through / drop clamp set for single/Twin Tarantulla bundle with 300mm sub conductor spacing. i) Dropper type

245 kV Bus Post Insulators other than those not included with individual equipment.

245 kV Clamps and Connectors other than those not included with individual equipment.

All type clamp and connectors for earthwire and GS flat

245 kV Spacers (All types) - Rigid type

245 kV Spacers (All types) - Flexible type

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40 mm dia MS Rod

40 mm dia 3200 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I. cover hinged at C.I. frame along with all associated civil works

Bay Marshalling kiosk - For 220 kV

Earthwire tension clamps with D. Shackle assembly and earth bond

Lugs to suit 10.98 mm GS Earthwire

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

1.1 kV grade XLPE / PVC insulated armoured Al. conductor power cable

Straight through joints for 1.1 kV XLPE / PVC power cables as required

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipes for road crossing (NP-4 class). (Sizes shall be recommended by the bidder)

Pressure die cast AL (LM6) Nylon 6 made trefoil clamp for recommended cables

MS Angle Flat and ISMC channel (All size)

AAC Tarantulla conductor

10.98mm dia GS earth wire

Any other item.

ILLUMINATION OF AC KIOSK BUILDING By providing Fluorescent lamps, Fluorescent lamps fixtures, Incandescent lamps, Incandescent lamps fixtures, Switch Board & Modular Switches, Cable Conduit and accessories etc. as per technical specification.

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

FIRE DETECTION AND ALARM SYSTEM FOR AC KIOSK By providing addressable Photo Electronic light scattered smoke detectors with / without duct caging, addressable ionization chamber smoke detectors, FRLS control cables etc.

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

Extension of existing hydrant system upto 220kV Kiosk including Hose pipe of suitable length and fitted with accessories like branch pipes, Nozzles etc. kept in Hose boxes.

AIR CONDITIONING SYSTEM

Design, supply, installation, testing and commissioning of Air conditioning & ventilation system for kiosk of bay level units in switchyard as per specification alongwith the necessary spares for satisfactory operation for 5 (five) years. .

Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for lattice steel structure. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURES

220 kV tower type AT1

220 kV tower type AT4

220 kV tower type AT6

220 kV tower type AT6 with peak

220 kV Beam type AB1 / AB2

220 kV CT Support Structures

PIPE STRUCTURES

220 kV CVT

220 kV Surge Arrestor

220 kV Isolator

220 kV BPI

Dismantling of AT8 structure

CIVIL WORKS:- FOUNDATIONS Design, Engineering, supply of all labour, material and construction of RCC footings and pedestals of any section/size including the cost of excavation in all types of soil/rock, back filling with available approved earth or borrowed/new earth, disposal of surplus earth/rock to the places directed, concrete (RCC M20 Grade and Lean concrete 1:4:8), reinforcement steel, form work, grouting, underpinning, foundation strengthening in expansive / B.C soil , curing, sundries and other items not mentioned herein but required for the completion of the work for the following station towers and equipments support structures as per technical specification, approved drawings and directions of the Engineer- in-charge of work

LATTICE STRUCTURE

220 kV tower type AT1

220 kV tower type AT4

220 kV tower type AT6

220 kV tower type AT6 with peak

220 kV CT Support Structures

220 kV CB Support Structure

PIPE STRUCTURE

220 kV CVT

220 kV Surge Arrestor

220 kV Isolator

220 kV BPI (18-2)

CIVIL WORKS:-CABLE TRENCH Design, engineering and construction of R.C.C. cable trenches (section type B, C,D) for required depths precast R.C.C. covers, water stops, brick works wherever required including the supply of labour, material, cement, reinforcement steel, steel angles, flats and providing P.C.C.(1:4:8) for cable trenches of section type B,C,D and sumps with a provision of pumps as per technical specification and approved drawings

Section B

Section C

Section D

Sump pits with a provision of pumps

CIVIL WORKS:- CABLE TRENCH CROSSING Design, engineering, construction including supply of labour, material, cement, reinforcement steel, form work etc. and all associated works for construction of cable trench (section type C) for road as per technical specification and approved drawings

Section C crossing road

CIVIL WORKS:- TRENCHES for directly buried cables (Bidder is to indicate different sizes width wise)

CIVIL WORKS:- SITE SURFACING & JELLY SPREADING

Providing and supplying all labour, material including disposal of excess earth from the Switchyard for maintaining FGL etc. , removal of weeds, soil sterilization / antiweed treatment including excavation, mixing / injecting chemicals to achieve the guaranteed effectiveness of treatment at least up to one year etc., rolling, dressing, compacting the earth in Extended Switchyard area including providing and laying base layer of 150 mm thick crusher dust/ morrum/ quarry rubbish or any other locally available CNS having infertile behavior shall be laid to prepare base for jelly spreading as per specification.

CIVIL WORKS:- BAY LEVEL KIOSK BUILDING (S) : Design & construction as per drawing and specification

220kV level

Dismantling of AT8 structure foundation.

Add: Any other item bidder may require to complete the Civil works as per specification requirements

GE TD India Ltd

GE TD India Ltd