Capacity addition of 50MVA at 132/33 kV level at Grid Sub Station Bari Brahmna-I augmenting it from 2x 50 MVA to 3x50 MVA in Jammu

Amount

(A)Design, Engineering, Manufacture, testing at manufacture’s work, packing and forwarding, insurance, transportation to project site as per approved design/drawings and in conformity to the relevant and applicable BIS/ IEC and CEA standards

MAIN EQUIPMENTS

POWER TRANSFORMER

50 MVA 132/33 KV three phase power Xmer with OLTC ,SCADA compatible ,Digital RTCC,NIFPS,Common Marshalling Box, HV& LV connectors and other required accessories including mandatory spares .

CIRCUIT BREAKERS

3 pole, SF6 Gas filled, 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 and its erection including its testing and commissioning.

145 kV, 1600 Amps of 3 Phase,50C/s,and 31.5 kA(rms) for 1sec

3 Pole , Vaccum Circuit Breaker (outdoor) 2500 Amp with offered operating mechanism all accessories auxillaries and marshalling boxes/ kiosks, etc complete in all respects with spare Vaccum bottle as specified in the technical specification. and its erection including its testing and commissioning.

36KV ,2500 Amps of 3 phase ,50 C/s and 25 KA(rms) for I sec

ISOLATORS (including bus sectionalisers)

145 kV, 50 c/s, 1600 Amps,31.5 kA for one second, AC Motor 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 and its erection including its testing and commissioning.

3 pole without earth switches

3 pole with one earth switch

36 kV, 50 c/s, 2500 Amps, 25 kA for one 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 and its erection including its testing and commissioning.

3 pole without earth switches

3 pole with one earth switch

Bus Post Insulator

145 KV Solid Core Post Insulators for above Isolators

36 KV Solid Core Post Insulators for above Isolators

INSTRUMENT TRANSFORMERS

CURRENT TRANSFORMERS including NCT

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 and its erection including its testing and commissioning.

SURGE ARRESTER

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 and its erection including its testing and commissioning.

CONTROL & RELAY PANEL

Control, Relay & Protection panels for the 132KV side of 50MVA, 132KV/33KV transformer completely equipped and wired as per the specification and its erection including its testing and commissioning.

Control, Relay & Protection panels for the 33KV side of 50MVA, 132KV/33KV transformer completely equipped and wired as per the specification and its erection including its testing and commissioning.

Cable trays ,Cable Racks and accessories

Perforated galvanised cables trays and ladders including bends, tees, cross connections, reducers etc fixing arrangments such as coupler, bolts, nuts and washers, etc/ of various sizesand types as per design alongwith accessories complete in all respects and its erection including its testing and commissioning.

600mmx2500mm

300mmx2500mm

Lugs ,Ferrules,Welding material cotton wastes etc (Lump sum)

132KV main and equipment structures

Structures with stubs Column of C1 type-6Nos Column ofC2 - 2Nos Beam of B1 type- 2No, Beam B2 type- 4 Nos Equipment structures, Circuit breaker structure - 1 No., CT structure- 3 No., NCT structure - 1No. Surge Arrester structure - 6No. Isolator structure - 5 Nos P I Structure -6 Nos and its erection including its testing and commissioning.

Nuts and bolts

33KV main and equipment structures

Structures with stubs 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 - 5No, Surge Arrester structure - 3No. and its erection including its testing and commissioning.

Nuts and bolts

Power and control cables

2 Core 2.5 sq mm

5 Core 2.5 sq mm

8 Core 2.5 sq mm

12 Core 2.5 sq mm

16 Core 2.5 sq mm

20 Core 2.5 sq mm

Bay Marshalling Koisk(132Kv)as per approved design

Bay Marshalling Koisk(33Kv)as per approved design

Conductor and Hardware Fittings and its erection complete job done

0.5 ACSR Moose Conductor

Single Tension Fittings For Single Moose

Single Tension For Twin Moose

Double Tension for single moose

Double Tension for Double moose

Single suspension for double moose

Disc Insulators 120 KN

Disc Insulators 70 KN

T Clamps suitable for moose conductor

T Clamps Twin suitable for moose conductors

Spacers for Twin Moose

P I Clamps for Moose conductor

PG Clamps for Moose conductor

Earth Wire 7/3.15mm

Earth Wire Tension Clamps

Earthing Material for main earth mat with MS Flat 75x12 and equipment and structure earthing with GS Flat 50x8mm and embedding spikes as per earthmat design

MS Flat 75mmx12mm

GS Flat 50mm x 8mm

250 KVA 33/11 KV Substation Auxilliary as per approved GTP and drawing

Other works at Existing bays of the Grid

Erection of H section Joist Column for the separation of 132 KV and 33 Kv incomer busbars in 3 no existing transformer bays bays and new transformer Bay as per approved design (approximate height 14mtr)

I section beam (width 12.5mtr)for the separation of 132 KV and 33 Kv incomer busbars in 3 no existing transformer bays bays and new transformer Bay as per approved design and making connection of the 132 KV bus and 33 kv incomer Bus and fixing of accessories and droppers on CT/LA and transformer bushings complete job

Control cables for the replacement of damaged cables in exisiting yard

2 Core 2.5 sq mm

5 Core 2.5 sq mm

8 Core 2.5 sq mm

12 Core 2.5 sq mm

16 Core 2.5 sq mm

(B)Handling, Storage, Preservation, Dismantling, Erection (except Civil Works), Testing & Commissioning

MAIN EQUIPMENTS

POWER TRANSFORMER

50 MVA 132/33 KV three phase power Xmer with OLTC ,SCADA compatible ,Digital RTCC,NIFPS,Common Marshalling Box, HV& LV connectors and other required accessories including mandatory spares .

CIRCUIT BREAKERS

3 pole, SF6 Gas filled, 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 and its erection including its testing and commissioning.

145 kV, 1600 Amps of 3 Phase,50C/s,and 31.5 kA(rms) for 1sec

3 Pole , Vaccum Circuit Breaker (outdoor) 2500 Amp with offered operating mechanism all accessories auxillaries and marshalling boxes/ kiosks, etc complete in all respects with spare Vaccum bottle as specified in the technical specification. and its erection including its testing and commissioning.

36KV ,2500 Amps of 3 phase ,50 C/s and 25 KA(rms) for I sec

ISOLATORS (including bus sectionalisers)

145 kV, 50 c/s, 1600 Amps,31.5 kA for one second, AC Motor 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 and its erection including its testing and commissioning.

3 pole without earth switches

3 pole with one earth switch

36 kV, 50 c/s, 2500 Amps, 25 kA for one 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 and its erection including its testing and commissioning.

3 pole without earth switches

3 pole with one earth switch

Bus Post Insulator

145 KV Solid Core Post Insulators for above Isolators

36 KV Solid Core Post Insulators for above Isolators

INSTRUMENT TRANSFORMERS

CURRENT TRANSFORMERS including NCT

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 and its erection including its testing and commissioning.

SURGE ARRESTER

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 and its erection including its testing and commissioning.

CONTROL & RELAY PANEL

Control, Relay & Protection panels for the 132KV side of 50MVA, 132KV/33KV transformer completely equipped and wired as per the specification and its erection including its testing and commissioning.

Control, Relay & Protection panels for the 33KV side of 50MVA, 132KV/33KV transformer completely equipped and wired as per the specification and its erection including its testing and commissioning.

Cable trays ,Cable Racks and accessories

Perforated galvanised cables trays and ladders including bends, tees, cross connections, reducers etc fixing arrangments such as coupler, bolts, nuts and washers, etc/ of various sizesand types as per design alongwith accessories complete in all respects and its erection including its testing and commissioning.

600mmx2500mm

300mmx2500mm

Lugs ,Ferrules,Welding material cotton wastes etc (Lump sum)

132KV main and equipment structures

Structures with stubs Column of C1 type-6Nos Column ofC2 - 2Nos Beam of B1 type- 2No, Beam B2 type- 4 Nos Equipment structures, Circuit breaker structure - 1 No., CT structure- 3 No., NCT structure - 1No. Surge Arrester structure - 6No. Isolator structure - 5 Nos P I Structure -6 Nos and its erection including its testing and commissioning.

Nuts and bolts

33KV main and equipment structures

Structures with stubs 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 - 5No, Surge Arrester structure - 3No. and its erection including its testing and commissioning.

Nuts and bolts

Power and control cables

2 Core 2.5 sq mm

5 Core 2.5 sq mm

8 Core 2.5 sq mm

12 Core 2.5 sq mm

16 Core 2.5 sq mm

20 Core 2.5 sq mm

Bay Marshalling Koisk(132Kv)as per approved design

Bay Marshalling Koisk(33Kv)as per approved design

Conductor and Hardware Fittings and its erection complete job done

0.5 ACSR Moose Conductor

Single Tension Fittings For Single Moose

Single Tension For Twin Moose

Double Tension for single moose

Double Tension for Double moose

Single suspension for double moose

Disc Insulators 120 KN

Disc Insulators 70 KN

T Clamps suitable for moose conductor

T Clamps Twin suitable for moose conductors

Spacers for Twin Moose

P I Clamps for Moose conductor

PG Clamps for Moose conductor

Earth Wire 7/3.15mm

Earth Wire Tension Clamps

Earthing Material for main earth mat with MS Flat 75x12 and equipment and structure earthing with GS Flat 50x8mm and embedding spikes as per earthmat design

MS Flat 75mmx12mm

GS Flat 50mm x 8mm

250 KVA 33/11 KV Substation Auxilliary as per approved GTP and drawing

Other works at Existing bays of the Grid

Erection of H section Joist Column for the separation of 132 KV and 33 Kv incomer busbars in 3 no existing transformer bays bays and new transformer Bay as per approved design (approximate height 14mtr)

I section beam (width 12.5mtr)for the separation of 132 KV and 33 Kv incomer busbars in 3 no existing transformer bays bays and new transformer Bay as per approved design and making connection of the 132 KV bus and 33 kv incomer Bus and fixing of accessories and droppers on CT/LA and transformer bushings complete job

Replacement of damaged control cables in respect of existing yards including identifying ,laying and making connection with proper dressing and terminations as per the directions of the Engineer Incharge

2 Core 2.5 sq mm

5 Core 2.5 sq mm

8 Core 2.5 sq mm

12 Core 2.5 sq mm

16 Core 2.5 sq mm

Dismantling of existing Marshalling kiosks and opening and making connections in the new Marshalling Kisoks

Reorientation of existing Control and relay panels in the Control room for making space for new C&R panels including electrical and civil works if any

Painting of existing power transformers after proper cleaning and removal of grease / oil , with approved colour with minimum three coats for even and smooth finish and to the satisfaction of the Engineer Incharge

Dismantling of substation auxilliary for making space for 33 KV incomer and its re-erection of auxilliary transformer at new place .

Dismantling of lighting tower inside the land for the development of 132 KV line Bay.

Re-erection of dismantled Lighting tower in the 132 KV yard at another suitable place.

(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 132/33KV Grid Station premises with existing bay arrangement and Design and Ddevelopment of layout of new 01 No 132KV and 01 No 33KV new 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 ,I beam or H beam / Joist columns for separation of 132 and 33KV Busbar in existing 3 no and new transformer bays , Earth mat and works not explicitly defined but reasonably implied and required for the construction of 1 no. 132 KVtransformer bay AND 1 No. 33 KV incomer bay for the successful commisioning of 50MVA 132/33KV transformer by obtaining approval of all the designs and drawings from the consultant/owner.

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

Transformer Foundation suitable for 50 MVA transformer 01 Nos

Fire protection wall 01 Nos

Laying of oil sump tank 01 Nos

132 KV Side

Column Foundation 04 Nos

Isolator Foundation 05 Nos

SF6 Breaker Foundation 01 Nos

CT Foundation 03 Nos

NCT Foundation 01 Nos

LA Foundation 03 Nos

Post Insulator 06 Nos

33 KV Side

Column Foundation 04 Nos

Isolator Foundation 05 Nos

VCB Foundation 01 Nos

CT /NCT Foundation 04 Nos

LA Foundation 03 Nos

Post Insulator 03 Nos

LIGHTING TOWER FOUNDATION AT ANOTHER SUITABLE PLACE 01 Nos

H Joist Column foundation for the separation of 132 KV and 33 Kv incomer busbars in 3 no existing transformer bays bays and new transformer Bay 06 Nos

Transformer Foundation suitable for 33/11KV 250 KVA Substation Auxilliary transformer 02 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/ RAIL ASSEMBLY

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.

Rail Assembly

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

132 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

33 Kv yard

Main Duct of Size 900mm x 600mm with concrete grade M20 of size 500 x 1000 mm AS PER APPROVED DESIGN

Sub Main Duct of Size 600mm x 450mm with concrete 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

33KV Cable duct

900mm x 600mm

600mm x 450mm

300mm x 300mm

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.

Suncity Enterprises

JK Electric Engineers Pvt. Ltd.

Trade Linkers Associates

KAILASH DEVBUILD (INDIA) PVT. LTD.