Construction of 1No 66 KV LINE BAY ADOPTING MAIN AND TRANSFER BUS-4 ISOLATORS SCHEMES and other allied works for optimum utilization of transformation capacity and Evacuation of power from augmented 3X50 MVA, 132/66 KV Grid Station Kathua

Amount

Description

(A) Design, manufacture, supply, packing & forwarding, transportation, delivery at site of equipments and materials.

Structures

Fabrication, galvanisation, supply including packing and forwarding, transportation charges of 66 kV structures.

Galvanised Nuts & Bolts of sizes

Main Equipments

3 Pole , SF6 Circuit Breaker out door circuit breakers with operating mechanism, all accessories, auxiliaries and marshalling boxes / kiosks, SF6 Gas (first filling plus 10 Kg. cylinder additional) alongwith supporting structures etc. complete in all respects as specified in the technical specification mentioned in SBD ( 72.5KV ,1600 Amps of 3 phase ,50 C/s and 31.5KA(rms) for 3 sec)

72.5 kV, 50 c/s, 1600 Amps, 31.5 kA for 3 second, Manually Operated horizontal double break, outdoor type isolators with all accessories including solid core post insulators, auxiliaries, marshalling boxes, other essentials, complete in all respects as specified in the technical specification mentioned in SBD( With Earthing Blades)

72.5 kV, 50 c/s, 1600 Amps, 31.5 kA for 3 second, Manually Operated horizontal double break, outdoor type isolators with all accessories including solid core post insulators, auxiliaries, marshalling boxes, other essentials, complete in all respects as specified in the technical specification mentioned in SBD( Without Earthing Blades)

Single phase, 50 c/s Current Transformers including first fill of transformer oil plus 10% extra and all accessories, auxiliaries etc. complete in all respects as specified in the specification mentioned in SBD( 72.5KV (600-300-150/1-1-1 A)

66 KV Control and Relay Panel for 66 KV Line Bay completely wired & SCADA Compatible including Substation automation supporting IEDs/numerical relays

Single phase, 50 c/s, outdoor, metal oxide gapless type arresters including surge counters / monitors, insulating base and all associated accessories, auxiliaries, complete in all respects as specified in the technical specification mentioned in SBD( 60 KV)

Post Insulators complete in all respects as specified in the technical specification mentioned in SBD( 70 KV)

Power and Control cables including termination of the cables

1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete as per specification.

2 Core, 2.5 sq mm

4 core, 2.5 sq mm

10 Core, 2.5 sq mm

16 Core, 2.5 sq mm

2 Core, 6.0 sq mm

Marshalling kiosk with Kiosk frames mild steel structural sections for pressed and shaped cold-rolled sheet steel, thickness not less than 2.0 mm. Frames shall be enclosed in cold-rolled sheet steel of thickness not less than 1.6 mm. Doors and covers shall also be cold rolled sheet steel of thickness not less than 1.6 mm. complete structures shall be rigid, self-supporting, free from flows, twists and bends. Dust and vermin proof construction and shall be provided with a degree of protection of IP: 55, with Copper Bar earthing for 66 kV. Finishing paint on panels shall be of shade 692 (smoke grey) of IS: 5 using seven tank process.The inside shall be properly stoved. The paint thickness shall be at least 50 microns.

Cable Glands, ferrules & Lugs for all above cables etc.

ANCILLARY ITEMS

420 mm² ACSR Zebra Conductor,(a) Aluminium=54/3.18 mm(b) Steel=7/3.18 mm Overall dia 28.62 mm.Approximate Wt 1623 Kg/Km KN;including 1.5%sag and jumpering

Single Tension Fittings For Single ACSR Zebra shall have minimum failing load of 100% ultimate strength of Bundle conductors with compressive type Tension clamps having slipping strength 95% of ultimate Strength of conductors. The ball and socket designation must be 20mm. Minimum Ultimate strength (Tensile strength) shall be 70 KN.

Single Suspension Fittings For Single 420mm2 ACSR Zebra conductor shall have minimum failing load of 50% ultimate strength of bundle conductors with Forged Steel Hanger free center type without bolt only having slipping strength 15% of ultimate strength of conductor.The ball and socket designation must be 20mm.

Single Suspension Fittings For Twin ACSR Zebra conductor shall have minimum failing load of 50% ultimate strength of bundle conductors with Forged Steel Hanger free center type without bolt only having slipping strength 15% of ultimate strength of conductor.The ball and socket designation must be 20mm.

Single Tension Fittings For Twin ACSR Zebra conductor shall have minimum failing load of 50% ultimate strength of bundle conductors with Forged Steel Hanger free center type without bolt only having slipping strength 15% of ultimate strength of conductor.The ball and socket designation must be 20mm.

T Clamps Twin 420 mm2 / Twin 420 mm2 , made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

T Clamps single 420 mm2 / single 420 mm2 , made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

PG clamps suitable for twin 420 mm sq ACSR Zebra shall comply in all respects with IS:5561-1970 (latest edition)

PI Clamps suitable for twin 420 mm sq ACSR Zebra shall comply in all respects with IS:5561-1970 (latest edition)

Disc Insulators 120 KN,Ball & Socket type, 145mm height and 280mm dia. Creepage total 430 mm and 260 mm protected.

Disc Insulators 70 KN,Ball & Socket type, 145mm height and 255mm dia. Creepage total 430 mm and 260 mm protected.

Spacers For Twin ACSR Zebra 400mm2 must be one-piece construction of aluminum alloy of an approved type without any projection, cuts, abrasions etc. or chattering parts and shall conform to IS:10162

Earth Wire 7/3.15mm

Earthwire Tension Clamps comprise of compression type tension clamp with two ‘D’ shackles, jumper terminals, nuts & bolts and washers etc.slip strength shall not be less than 95% of the ultimate strength of the ground wire. Conductivity shall not be less than corresponding length of GSS ground wire

CABLE TRAYS/CABLE RACKS/ACCESSORIES

Cable Trays of size 400mm x 3000 mm made of M.S angles 40x40x6mm,40x6 Flat.

Cable Trays of size 300mm x 2500 mm made of M.S angles 40x40x6mm,40x6 Flat.

Lugs, Ferrules, Welding Material, Cotton Waste etc

(B) HANDLING, STORAGE, PRESERVATION, ERECTION (EXCEPT CIVIL WORKS), DEHYDRATION, TESTING & COMMISSIONING OF EQUIPMENTs AND MATERIAL

Structures

Fabrication, galvanisation, supply including packing and forwarding, transportation charges of 66 kV Gantry structure. Structures with stubs Column of C1 type-1No Beam of B1 type- 1 No, column C3 type -2 Nos column C4 type -2 Nos Beam B3 type - 2Nos Beam B4 type- 4N0s Equipment structures, Circuit breaker structure - 1 No., CT structure- 3 No, Isolator structure - 4No, Surge Arrester structure - 3No. and its erection including its testing and commissioning.

Galvanised Nuts & Bolts of sizes

Circuit Breakers

3 Pole , SF6 Circuit Breaker out door circuit breakers with operating mechanism, all accessories, auxiliaries and marshalling boxes / kiosks, SF6 Gas (first filling plus 10 Kg. cylinder additional) alongwith supporting structures etc. complete in all respects as specified in the technical specification mentioned in SBD ( 72.5KV ,1600 Amps of 3 phase ,50 C/s and 31.5KA(rms) for 3 sec)

Isolators

72.5 kV, 50 c/s, 1600 Amps, 31.5 kA for 3 second, Manually Operated horizontal double break, outdoor type isolators with all accessories including solid core post insulators, auxiliaries, marshalling boxes, other essentials, complete in all respects as specified in the technical specification mentioned in SBD( Without Earthing Blades)

72.5 kV, 50 c/s, 1600 Amps, 31.5 kA for 3 second, Manually Operated horizontal double break, outdoor type isolators with all accessories including solid core post insulators, auxiliaries, marshalling boxes, other essentials, complete in all respects as specified in the technical specification mentioned in SBD( With Earthing Blades)

Surge Arrestors

Single phase, 50 c/s, outdoor, metal oxide gapless type arresters including surge counters / monitors, insulating base and all associated accessories, auxiliaries, complete in all respects as specified in the technical specification mentioned in SBD( 60 KV)

Control and Relay Panels

66 KV Control and Relay Panel for 66 KV Line Bay completely wired & SCADA Compatible including Substation automation supporting IEDs/numerical relays

Current Transformers

Single phase, 50 c/s Current Transformers including first fill of transformer oil plus 10% extra and all accessories, auxiliaries etc. complete in all respects as specified in the specification mentioned in SBD( 72.5KV (600-300-150/1-1-1 A)

Power and Control cables including termination of the cables

1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete as per specification.

2 Core, 2.5 sq mm

4 core, 2.5 sq mm

10 Core, 2.5 sq mm

16 Core, 2.5 sq mm

2 Core, 6.0 sq mm

Marshalling kiosk with Kiosk frames mild steel structural sections for pressed and shaped cold-rolled sheet steel, thickness not less than 2.0 mm. Frames shall be enclosed in cold-rolled sheet steel of thickness not less than 1.6 mm. Doors and covers shall also be cold rolled sheet steel of thickness not less than 1.6 mm. complete structures shall be rigid, self-supporting, free from flows, twists and bends. Dust and vermin proof construction and shall be provided with a degree of protection of IP: 55, with Copper Bar earthing for 66 kV . Finishing paint on panels shall be of shade 692 (smoke grey) of IS: 5 using seven tank process. The inside shall be properly stoved. The paint thickness shall be at least 50 microns.

Cable Glands, ferrules & Lugs for all above cables etc.

ANCILLARY ITEMS

420 mm² ACSR Zebra Conductor,(a) Aluminium=54/3.18 mm(b) Steel=7/3.18 mm Overall dia 28.62 mm.Approximate Wt 1623 Kg/Km KN;including 1.5%sag and jumpering

Single Tension Fittings For Single ACSR Zebra shall have minimum failing load of 100% ultimate strength of Bundle conductors with compressive type Tension clamps having slipping strength 95% of ultimate Strength of conductors. The ball and socket designation must be 20mm. Minimum Ultimate strength (Tensile strength) shall be 70 KN.

Single Suspension Fittings For Single 420mm2 ACSR Zebra conductor shall have minimum failing load of 50% ultimate strength of bundle conductors with Forged Steel Hanger free center type without bolt only having slipping strength 15% of ultimate strength of conductor.The ball and socket designation must be 20mm.

Single Suspension Fittings For Twin ACSR Zebra conductor shall have minimum failing load of 50% ultimate strength of bundle conductors with Forged Steel Hanger free center type without bolt only having slipping strength 15% of ultimate strength of conductor.The ball and socket designation must be 20mm.

Single Tension Fittings For Twin ACSR Zebra conductor shall have minimum failing load of 50% ultimate strength of bundle conductors with Forged Steel Hanger free center type without bolt only having slipping strength 15% of ultimate strength of conductor.The ball and socket designation must be 20mm.

T Clamps Twin 420 mm2 / Twin 420 mm2 , made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

T Clamps single 420 mm2 / single 420 mm2 , made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

PG clamps suitable for twin 420 mm sq ACSR Zebra shall comply in all respects with IS:5561-1970 (latest edition)

PI Clamps suitable for twin 420 mm sq ACSR Zebra shall comply in all respects with IS:5561-1970 (latest edition)

Disc Insulators 120 KN,Ball & Socket type, 145mm height and 280mm dia. Creepage total 430 mm and 260 mm protected.

Disc Insulators 70 KN,Ball & Socket type, 145mm height and 255mm dia. Creepage total 430 mm and 260 mm protected.

Spacers For Twin ACSR Zebra 400mm2 must be one-piece construction of aluminum alloy of an approved type without any projection, cuts, abrasions etc. or chattering parts and shall conform to IS:10162

Earth Wire 7/3.15mm

Earthwire Tension Clamps comprise of compression type tension clamp with two ‘D’ shackles, jumper terminals, nuts & bolts and washers etc.slip strength shall not be less than 95% of the ultimate strength of the ground wire. Conductivity shall not be less than corresponding length of GSS ground wire

CABLE TRAYS/CABLE RACKS/ACCESSORIES

Cable Trays of size 400mm x 3000 mm made of M.S angles 40x40x6mm,40x6 Flat.

Cable Trays of size 300mm x 2500 mm made of M.S angles 40x40x6mm,40x6 Flat.

Lugs, Ferrules, Welding Material, Cotton Waste etc

(C) Civil Works including design, supply, execution and preparation of drawings

DESIGN & PREPARATION OF CONSTRUCTION / STRUCTURAL DRAWINGS

Development of substation layout drawings(in AUTOCAD and PDF formats) of the complete 132/66 KV Grid Station premises with existing bay arrangement and Design and Ddevelopment of layout of new 01 No 66KV Feeder indicating within the available space as per list in(Plan and Elevation),cable trench,layout,earthing and shielding layout,transformer firewall layout,transformer foundation layout and other allied works.Preparation of civil and structural designs and construction drawings for all foundation of Transformer, Gantries, equipment supporting structures, Cable trenches , Earth mat and works not explicitly defined but reasonably implied and required for the construction of 1 No. 66 KV Feeder bay by obtaining approval of all the designs and drawings from the consultant/owner.

Dismentling of lightening tower inside the land for the development of 66 KV line Bay at a suitable place ( Complete Job)

Shifting of Store Shed along with the Back Gate of the Grid Station at a suitable place( Complete Job)

FOUNDATION FOR GANTRIES AND EQUIPMENT SUPPORTING STRUCTURES (CIVIL WORKS) as per approved design drawings and specification for Civil works mentioned in SBD

66 KV Side

Column Foundation 04 Nos

Isolator Foundation 04 Nos

SF6 Breaker Foundation 01 Nos

CT Foundation 03 Nos

LA Foundation 03 Nos

Post Insulator 06 Nos

LIGHTING TOWER FOUNDATION AT ANOTHER SUITABLE PLACE 01 Nos

Excavation in all type of soils including mixed soils (i.e. soils containing pebbles/boulders etc.) for any section including all labour, POL, hire charges of equipments and T&Ps etc. including shuttering & shoring, dewatering, lifting, handling and stock piling of excavated materials, back filling with excavated or borrowed earth and disposal of surplus excavated earth as directed for all leads & lifts complete as per specification, construction drawings and direction of Engineer-in-charge.

Providing & Laying of concrete including cost of all material, labour,T&P,leads & lifts shoring and shuttering, formwork,stock piling,carriage use of admixtures,curing and other associated works and fixing of foundation Bolts including two coats of cement plaster 12 mm thick cement plaster 1:5 (1 cement ;5 coarse sand) finished with top layer 6mm thick cement plaster on the exposed portion of all the foundations

Concrete of M-10 grade having cube strength of10N/ mm2 with 40mm nominal size & 25 N / mm2 with 20 mm nominal size respectively.

Concrete of M-25 grade having cube strength of10N/ mm2 with 40mm nominal size & 25 N / mm2 with 20 mm nominal size respectively.

SUPPLY & PLACEMENT OF REINFORCEMENT

Mild steel reinforcement conforming to IS: 432 for R.C.C. or any other work including the cost of all materials, binding wire, labour, hire charges of equipments and T&P, POL etc for bending, binding, placing and tieing in position complete as per specification.

Angle Iron Stubs and Foundation Bolts

Earth mat

Excavation for Laying of Earthing Mat Main with MS Flat 75x12mm including equipment and structure earthing with GS Flat 50x12mm and back filling with good earth as per the directions of the Engineer incharge complete job

Laying of PCC sub base in 1:3:6 in 33 KV and 132 KV and transformer yard with expansion joints and spreading of Gravels thereof as per specification for the works mentioned in SBD

Construction of Cable duct with covers

66 Kv yard

Main Duct of Size 1200mm x 1200mm with 75mm Concrete Covers grade M20 of size 1300x500 mmAS PER APPROVED DESIGN

Sub Main Duct of Size 600mm x 600mm with 75mm Concrete Covers grade M20 of size 700x500 mm AS PER APPROVED DESIGN

Tee off Duct: 150mm sand filled HDPE pipes from Sub main to Equipments in the outdoor area

Fixing/Placing of Perforated galvanised Cables trays and ladders including bends, tees, cross connections, reducers, etc., fixing arrangements such as coupler, bolts, nuts and washers, etc., of various sizes and types as per design alongwith accessories complete in all respects

132KV Cable duct

1200mm x 1200mm

600mmx 600mm

REPAIR OF CABLE DUCT AT DIFFERENT PLACES AND CABLE DUCT COVERS OF EXISTING YARD

Making of frames of MS angle iron of size 45x45x6mm

Concrete of M-20 grade having cube strength of 20 N / sq mm with 20 mm nominal size coarse aggregate.

Mild steel reinforcement conforming to IS: 432 for R.C.C. or any other work including the cost of all materials, binding wire, labour, hire charges of equipments and T&P, POL etc for bending, binding, placing and tieing in position complete as per specification.

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