Design, Engineering, Manufacture, Supply, Erection, Testing and Commissioning of 132/33 KV, 1X50 MVA, 3-Phase Power Transformer with NIFPES, Main equipments including realignment and conversion of 132kv Bus coupler Bay into Transformer bay, conve

Amount

Description (to be manually filled as per the description of sheets/schedules)

BoQ2 (PRICE SCHEDULE-I supply of material)

BoQ3 (PRICE SCHEDULE-II Erection, Testing and commissioning of material)

BoQ4 (PRICE SCHEDULE-III civil works)

Description of Work / Item(s)

Amount

POWER TRANSFORMER

50MVA (ONAN/ONAF), 132/33KV Three Phase Power Transformer along with transformer oil (10% extra oil) with OLTC, SCADA Compatible RTCC, NIFPES, HV and LV connectors, Bushings, NCT and other required accessories and fittings.

SPARES

132KV bushings

Transformer Cooling fans

STRUCTURES

Galvanised Structures

Galvanised Nuts and Bolts including Foundation Bolts

CONVERSION OF 132KV BUSCOUPLER BAY INTO 132KV TRANSFORMER BAY

145kV, 50c/s , 1600 Amp, 40kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with ONE earthing Blade,complete in all respects including clamps

145kV, 50c/s , 1600 Amp, 40kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with two earthing Blades, complete in all respects including clamps

Single phase, 50 c/s 145KV Current Transformers (900-600-300/1-1-1-1-1 A or as per site specifications), 40KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA, complete in all respects including clamps

Single Phase 50 c/s, outdoor metal oxide gapless type, 145KV (rms) Surge Arrestor including Surge counters/monitors, insulating base all associated accessories, auxiliaries and clamps

132KV Post Insulators Solid Core Type, Power Frequency WithstandVoltage 460KVP Dry lightning impulse withstand voltage ± 1050 (KVP) ,Max. RIV (in microV) between 0.5Mhz to 2.0Mhz at 156 kV (rms) for 132kV phase to ground voltage 1000mV,

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, selfsupporting,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. Finishing paint on panels shall be of shade 692(smoke grey) of IS: 5. The inside shall be properly stoved. The paintthickness shall be at least 50 microns.

132KV BUSCOUPLER BAY

145kV, 50c/s , 1600 Amp, 40kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators without Earthing Blades, complete in all respects including clamps

Single phase, 50 c/s 145KV Current Transformers (900-600-300/1-1-1-1-1 A or as per site specifications), 40KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA, complete in all respects including clamps

conversion of 33KV Buscoupler bay into 33KV Incomer bay

33KV VCB (36 KV, 2000 Amps of 3 phase, 50 c/s and 25KA for 3 sec)outdoor type with all accessories and auxiliaries

33kV, 50c/s , 2000 Amp, 31.5kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with ONE Earthing Blades along with all accessories

145kV, 50c/s , 2500 Amp, 31.5kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with TWO Earthing Blades along with all accessories

Single phase, 50 c/s 36KV Current Transformers (1200-800-400/1-1-1-1-1 A or as per site specifications), 31.5KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA

Single Phase 50 c/s, outdoor metal oxide gapless type, 36KV (rms) Surge Arrestor including Surge counters/monitors, insulating base all associated accessories, auxiliaries.

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, selfsupporting,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. Finishing paint on panels shall be of shade 692 (smoke grey) of IS: 5. The inside shall be properly stoved. The paint thickness shall be at least 50 microns.

33kv BUSCOUPLER BAY

33kV, 50c/s , 2000 Amp, 31.5kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with ONE Earthing Blades

Single phase, 50 c/s 33KV Current Transformers (1200-800-400/1-1-1-1-1 A or as per site specifications), 31.5KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA

POWER AND CONTROL CABLES, conductor and hardware fittings

2 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

5 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cable complete in alll respects

8 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

12 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

16 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cable complete complete in all respects

19 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

2 Core, 6 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

4 Core, 6 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cablecomplete in all respects

4 Core, 16 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

500mm2 ACSR Moose Conductor (a)Aluminium =54/3.53 mm (b) Steel=7/3.53 mm overall diameter =31.77mm Approx. Wt. =1998 kg/km ultimate strength = 159.60 KN

Single Tension Fittings For Single 500mm2 ACSR 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 120 KN.

Single Tension Fittings For Twin 500 mm2 ACSR 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 120 KN.

Single Suspension Fittings For Single 500mm2 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 500mm2 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 500mm2 /500mm2, made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

T Clamps Twin 500mm2 / Twin 500mm2 , made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

Earthwire 7/3.15 mm,3.41 ohms/km max.d.c. resistance galvanized steel earth strand at 20ºC , 56KN ultimate tensile strength, 11.5x10-6 ºC Coefficient of linear expansion.

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

P G Clamps made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

Spacers For Twin 500mm2 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

Lugs, Ferrules, Welding Material, Cotton Waste etc

Description of Work / Item(s)

Amount

POWER TRANSFORMER

50MVA (ONAN/ONAF/OFAF), 132/33 KV Three phase Transformer along with transformer oil (10% extra oil) with OLTC, SCADA Compatible RTCC, NIFPES, HV and LV connectors, NCT and other required accessories and fittings.

Galvanised Structures

Galvanised Nuts and Bolts including foundation bolts

CONVERSION OF 132KV BUSCOUPLER BAY INTO 132KV TRANSFORMER BAY

carriage from divisional store and erection of the 3 pole, SF6 gas filled, out door Circuit Breaker , including all accessories, auxiliaries and marshalling boxes/Kiosks, (145KV, 2500 Amps of 3 phase,50 c/s and 40KA for 1 SEC

145kV, 50c/s , 1600 Amp, 40kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with ONE earthing Blade,complete in all respects including clamps

145kV, 50c/s , 1600 Amp, 40kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with two earthing Blades, complete in all respects including clamps

Single phase, 50 c/s 145KV Current Transformers (1200-900-600/1-1-1-1-1 A or as per site specifications), 40KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA, complete in all respects including clamps

Single Phase 50 c/s, outdoor metal oxide gapless type, 145KV (rms) Surge Arrestor including Surge counters/monitors, insulating base all associated accessories, auxiliaries and clamps

carriage and erection of 132KV Control and Relay Panel for power transformer completely wired including Substation automation supporting IEDs/numerical relays with Distance Recorder,

132KV Post Insulators Solid Core Type, Power Frequency WithstandVoltage 460KVP Dry lightning impulse withstand voltage ± 1050 (KVP) ,Max. RIV (in microV) between 0.5Mhz to 2.0Mhz at 156 kV (rms) for 132kV phase to ground voltage 1000mV

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, selfsupporting,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. Finishing paint on panels shall be of shade 692(smoke grey) of IS: 5. The inside shall be properly stoved. The paintthickness shall be at least 50 microns.

132KV BUSCOUPLER BAY

145kV, 50c/s , 1600 Amp, 40kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators without Earthing Blades, complete in all respects including clamps

dismantling of PT from existing buscoupler bay and erection of the same in the new bus coupler bay

Single phase, 50 c/s 145KV Current Transformers (1200-800-400/1-1-1-1-1 A or as per site specifications), 40KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA, complete in all respects including clamps

33KV INCOMER BAY

33KV VCB (36 KV, 2000 Amps of 3 phase, 50 c/s and 25KA for 3 sec)outdoor type with all accessories and auxiliaries

33kV, 50c/s , 2500 Amp, 31.5kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators

Single phase, 50 c/s 36KV Current Transformers (1200-800-400/1-1-1-1-1 A or as per site specifications), 31.5KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA

Single Phase 50 c/s, outdoor metal oxide gapless type, 36KV (rms) Surge Arrestor including Surge counters/monitors, insulating base all associated accessories, auxiliaries.

33KV Control and Relay Panel for 33kv side of transformer completely wired including Substation automation supporting IEDs/numerical relays inlcuding Distance Recorder with two nos spare o/c & e/f relay and two nos master tripping relays

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, selfsupporting,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. Finishing paint on panels shall be of shade 692 (smoke grey) of IS: 5. The inside shall be properly stoved. The paint thickness shall be at least 50 microns.

33kv BUSCOUPLER BAY

33kV, 50c/s , 2000 Amp, 31.5kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with ONE Earthing Blades

Single phase, 50 c/s 33KV Current Transformers (1200-900-600/1-1-1-1-1 A or as per site specifications), 31.5KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA

dismantling of PT from existing buscoupler bay and erection of the same in the new bus coupler bay

Dismantlingof the high mast light and Erection of the same at specified location

POWER AND CONTROL CABLES, conductor and hardware fittings

2 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

5 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cable complete in alll respects

8 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

12 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

16 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cable complete complete in all respects

19 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

2 Core, 6 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

4 Core, 6 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS,galvanised steel wire/ strip armoured stranded copper conductor control cablecomplete in all respects

4 Core, 16 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete in all respects

500mm2 ACSR Moose Conductor (a)Aluminium =54/3.53 mm (b) Steel=7/3.53 mm overall diameter =31.77mm Approx. Wt. =1998 kg/km ultimate strength = 159.60 KN

Single Tension Fittings For Single 500mm2 ACSR 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 120 KN.

Single Tension Fittings For Twin 500 mm2 ACSR 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 120 KN.

Single Suspension Fittings For Single 500mm2 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 500mm2 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 500mm2 /500mm2, made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

T Clamps Twin 500mm2 / Twin 500mm2 , made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

carriage from divisional store and erection of Disc Insulators 120 KN,Ball & Socket type, 145mm height and 280mm dia. Creepage total 430 mm and 260 mm protected.

carriage from divisional store and erection of Disc Insulators 70 KN,Ball & Socket type, 145mm height and 255mm dia. Creepage total 430 mm and 260 mm protected.

Earthwire 7/3.15 mm,3.41 ohms/km max.d.c. resistance galvanized steel earth strand at 20ºC , 56KN ultimate tensile strength, 11.5x10-6 ºC Coefficient of linear expansion.

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

P G Clamps made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

Spacers For Twin 500mm2 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

dismantling of the high mast lights

erection of high mast lights dismantled from the transformer yard to be erected at the place specified

Lugs, Ferrules, Welding Material, Cotton Waste etc

Description of Work / Item(s)

Amount

Civil works including material in all respect

Cable Ducts With Covers

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

Earth Mat (40mm dia steel bars) as per approved design, Galavanised Iron (75mm x 12mm/ 50mm x 6 mm) risers for Equipment and Structural Earthing

Concreting of yard

Concreting of yard & Laying Of Gravel including beep holes and other allied works in transformer yard, 132 kv new bay and 33 kv new bay

extension of chain link fencing around yard along with foundation

concrete work for chain link fencing

additional miscellaneous works needed to carry out due to complexity of the job and unforseen expenditure

Laying of 132KV Column foundations

Laying of 132KV Isolator foundations

Laying of 132 KV SF6 Breaker foundations

Laying of 132KV CT foundations

Laying of 132KV PT/CVT foundations

Laying of 132KV LA foundations

Laying of 132KV POST INSULATORS foundations

LAYING OF Transformer foundation for three phase 50MVA transformer

rail track for the transformer

fire protection wall for the transformer

Laying of 33KV Column foundations

Laying of 33KV Isolator foundations

Laying of 33KV VCB Breaker foundations

Laying of 33KV CT foundations

Laying of 33KV PT/CVT foundations

Laying of 33KV LA foundations

construction of oil sump and tank for transformer

dismantling of the existing chain link mesh fencing along with foundation

Dismantling of existing firewall

laying of foundation for high mast light

VINAY CONSTRUCTION COMPANY

DAMODHARTECH INTERNATIONAL PVT. LTD.

JK Electric Engineers Pvt. Ltd.

DAMODHARTECH INTERNATIONAL PVT. LTD.

VINAY CONSTRUCTION COMPANY

DAMODHARTECH INTERNATIONAL PVT. LTD.

DAMODHARTECH INTERNATIONAL PVT. LTD.

VINAY CONSTRUCTION COMPANY