Design Engineering Supply Installation Erection Testing and commissioning of 10MVA 66/11KV Chuchot substation Leh

Amount

Substation Supply Portion

Power Transformer of 10 MVA, 66/11 kV, 3-Ph, Dyn11, Z=7 %, ONAN with copper wound Power Transformer with OLTC(-15% to +5% in steps of 1.25%) , RTCC panel including all cabling & 10% spare oil, HV/LV open Bushing. (BIL-650kV Peak, Altitude- 3500 M. The Transformer shall be suitable for outdoor installation & complete with all accessories to meet the technical specification.

72.5 kV, 1250 A, 31.5 kA for 1 sec, SF6 Circuit Breaker, outdoor type, 3-Ph gang operated complete with operating mechanism & support structure with 10 % spare SF-6 gas.(BIL-650 kVpeak, Altitude- 3500 M)

72.5 KV, 1250 A, 31.5 kA for 1 sec, 3-Ph gang operated Double Break Centre Post rotating , outdoor type, motor operated Disconnector (Isolator) complete with solid core post Insulator.(BIL- 650 kVpeak,Creepage distance=2960 mm/kV, Altitude- 3500 M),with earth switch

132 KV Post Insulators solid core type, power frequency withstand voltage 275KVp ; dry lightining impulse withstand voltage (+-) 650 KVp

66 KV Outdoor type, live tank, single phase Current Transformer as per the details below: The CT shall meet the technical specification & other design requirement as per design requirement.(BIL- 650 kVpeak, Altitude- 3500 M), Transformer feeder CTR : 150-100/0.577-1-1-1 A, Cl-0.2s

60 kV, 10 kA, Metal Oxide type, heavy duty, station class 3, Lightning Arrestor complete with Surge Counter & flexible copper connecting lead. (BIL- 650 kVpeak, Altitude- 3500 M)

CT, CB JB complete with 30 nos Disconnecting type Terminals Blocks, complete with wiring.

Bay Marshalling Kiosk, made of 2.5 mm. thick sheet steel, protection class IP 55 complete with 200 TB

ACSR "Zebra" conductor

Terminal connectors for 66kV side.The Quantity of Terminal connectors shall be as per substation layout & shall be supplied as per technical specification as per individual equipment requirement

Terminal connector for 66kV Isolator to receive single ACSR Zebra Conductor.

Terminal connector for 66kV SF6 Circuit Breaker to receive single ACSR Zebra Conductor

Terminal connector for 66kV Current Transformer terminal to receive single ACSR Zebra Conductor

Terminal connector for 60kV Lightning Arrester to receive Single ACSR Zebra Conductor

Transformer Bushing Connector ( 72.5kV Side )

Terminal connector for NCT suitable for 50x6 mm CU flat

11 KV Equipment

11KV Neutral current transformer for 66 /11kV transformer on 66 kV side neutral CTR 150-100/1 A CT design parameter

11kv , 26.3kA for 1 Secs., 1250A, 500MVA rupturing capacity indoor VCB switchgearpanel 24V DC operated with required PTs, CTs, protective relays, metering equipment, auxiliary equipment, extensible (both sides) copper busbars, complete cable termination Kits and all realy shall be of numerical type with suitable for IEC 61850 protocol as per technical specification. 1. 800A Incoming feeder = 1 Nos. for transformer Core-1:600-300 / 5A Cl-0.2s, 15 VA, ISF=<5 Core-2: 600-300/5A, 5P20, 15 VA Core-3: 600-300/5A, PS To be provided with one Tri-vector meter on each incomer and outgoing (Smart Meter) 2. 400 A outgoing feeder = 5 Nos Core-1: 200-100/5A Cl- 0.2s, 15 VA, ISF=<5 Core-2: 200-100/5A 5P10, 15 VA 3.1250A Buscoupler with adaptor feeder = 1 Nos., CTR : 600-300/5-5 A, 2 Core Refer CT design parameters as per technical specifications. 4. 1250A Capacitor bank feeder - 1NO., CT:400-200/1A, CI-0.5, 5VA Core -2:400-200/1A, 5P20, 5VA

Indoor floor mounted, simplex type Control and Relay Panels, with mimic & annunciation panel for 66kV system as per specification comprising of the C & R Panels shall be complete with Numerical Relays as per the Technical specifications. The control, metering & protection system shall be complete with Numerical relays & compatible for performing the functions as per the electrical specifications & shall be fully compatible with substation automation /SCADA. (66 kV Transformer Protection & Control Panel )

12kv Capacitor bank with complete arrangement for connection with 11kv incomer panel,series reactor RVT surge arresters ht cable with termination kits ,control cables ,CRCA, Cubical panel etc. With structure foundation and accessories .Of suitable MVAR As per TS

Earthing and Lightning protection material (The quantity of GI Flat/MS rod for earthing & lightning protection is approximate. The exact quantity to be arranged as per GFC drawing and as per site requirement)

MS rod 40mm for Equipment Earthing like CT,CB, Isolator , LA, etc. riser below ground etc.

75 x 12mm GI Flat for earthing of Transformer body

50 x 6 mm GI Flat for earthing of Marshalling Boxes, Panel, Junction boxes, Distribution Board, Battery Charger etc.

50 x 6 mm Copper flat for earthing of Transformer Neutral on HV as well LV Side.

MS Rod type earthing as per IS with 3000 mm long,40 mm dia rod to be placed in 3000 mm deep pit for Transformer Neutral earthing t to be filled with salt & charcoal (as per standard earthing Practices)(Power trafo )

Battery with Battery Charger and DC Distribution Board (Running + Standby)

30V DC, 200 AH lead acid battery of VRLA type complete with accessories as per specification with 10% spare acid in non-returnable container (In tier arrangement).

Automatic float and Float cum boost charger 40 A suitable for 30 V 200 AH VRLA battery & charger shall be as per specification

DC Distribution Board , fed from independent Battery charger. Busbar rating 100 A for 24 V DC, 16 kA /for 1 SEC, Copper. 1 no. incomer 100A MCCB( Microprocessor base) 4 Nos. - Outgoing feeders with 32A MCCB 3 Nos. - Outgoing feeders with 16A MCCB

Structural Steel

Structural steel for Equipment

Hardwares, nuts, bolts and spring washer

Cable and accessories

11 kV, 1 Core 400 sqmm., AL Conductor, XLPE Insulated , PVC Sheathed, Armoured PVC Outer Sheath Cable for 11 kV outgoing fedder from Power transformer to 11 kV switchgear panel ( 1 run/phase and one spare)

11 kV outdoor termination kit (1CX400 Sqmm.)

11 kV indoor termination kit (1CX400 Sqmm.)

11 kV, 3 Core 185 sqmm., AL Conductor, XLPE Insulated , PVC Sheathed, Armoured PVC Outer Sheath Cable from 11 kV outgoing feeder to outgoing Double pole Structure .(1 runs/phase)

11 kV outdoor termination kit (3CX185 Sqmm.)

11 kV indoor termination kit (3CX185 Sqmm.)

Auxiliary AC Feeders

2 core x 16 Sqmm Cu cable for BMK, Trafo MB & LDB

3 Core 2.5 sqmm Cu cable for outdoor illumination

31/2 core x 150 Sqmm Al cable for oil filtration

Termination kit and accessories for above item

1100 V grade, PVC Insulated, PVC sheathed, steel round wire armoured, stranded copper control cables of the following sizes:(Cu cable)

2 core 4 sqmm.

2 Core 6 sqmm.

4Core 4 sqmm.

4 core 2.5 sqmm.

7 core 2.5 sqmm.

12 core 2.5 sqmm.

19 core 2.5 sqmm.

Double compression Glands and terminations (including ferruling, suitable Cu Lugs to meet the system requirements) for 1100 V grade PVC Insulated multicore Copper stranded conductor control cables of the following sizes: 2 core 4 sqmm., 2 Core 6 sqmm., 4Core 4 sqmm., 4 core 2.5 sqmm., 7 core 2.5 sqmm., 12 core 2.5 sqmm.& 19 core 2.5 sqmm.

Supporting structure for terminatin kit LV side transformer

500 mm Ladder type Cable Trays for outdoor

150 mm Perforted type Cable Trays for outdoor

Rubber mats for control room building near 11 kv panels as per voltage rating requirement conforming to IS-15652 with latest amendments

Outdoor illumination

LED flood light fitting with 150W led with all accessories control gear for Yard Lighting ( to be mounted on existing lighting mast )

Spare part quantities

11 kV outdoor termination kit (1CX400 Sqmm.)

11 kV indoor termination kit (1CX400 Sqmm.)

11 kV outdoor termination kit (3CX185 Sqmm.)

11 kV indoor termination kit (3CX185 Sqmm.)

Substation Erection Portion

Power Transformer of 50 MVA, 66/11 kV, 3-Ph, Dyn11, Z=7 %, ONAN with copper wound Power Transformer with OLTC(-15% to +5% in steps of 1.25%) , RTCC panel including all cabling & 10% spare oil, HV/LV open Bushing. (BIL-650kV Peak, Altitude- 3500 M. The Transformer shall be suitable for outdoor installation & complete with all accessories to meet the technical specification.

72.5 kV, 1250 A, 31.5 kA for 1 sec, SF6 Circuit Breaker, outdoor type, 3-Ph gang operated complete with operating mechanism & support structure with 10 % spare SF-6 gas.(BIL-650 kVpeak, Altitude- 3500 M)

72.5 KV, 1250 A, 31.5 kA for 1 sec, 3-Ph gang operated Double Break Centre Post rotating , outdoor type, motor operated Disconnector (Isolator) complete with solid core post Insulator.(BIL- 650 kVpeak,Creepage distance=2960 mm/kV, Altitude- 3500 M), with earth switch

132 KV Post Insulators solid core type, power frequency withstand voltage 275KVp ; dry lightining impulse withstand voltage (+-) 650 KVp

66 KV Outdoor type, live tank, single phase Current Transformer as per the details below: The CT shall meet the technical specification & other design requirement as per design requirement.(BIL- 650 kVpeak, Altitude- 3500 M), Transformer feeder CTR : 150-100/0.577-1-1-1 A, Cl 0.2S

60 kV, 10 kA, Metal Oxide type, heavy duty, station class 3, Lightning Arrestor complete with Surge Counter & flexible copper connecting lead. (BIL- 650 kVpeak, Altitude- 3500 M)

CT, CB JB complete with 30 nos Disconnecting type Terminals Blocks, complete with wiring.

Bay Marshalling Kiosk, made of 2.5 mm. thick sheet steel, protection class IP 55 complete with 200 TB

ACSR "Zebra" conductor

Terminal connectors for 66kV side.The Quantity of Terminal connectors shall be as per substation layout & shall be supplied as per technical specification as per individual equipment requirement

Terminal connector for 66kV Isolator to receive single ACSR Zebra Conductor.

Terminal connector for 66kV SF6 Circuit Breaker to receive single ACSR Zebra Conductor

Terminal connector for 66kV Current Transformer terminal to receive single ACSR Zebra Conductor

Terminal connector for 60kV Lightning Arrester to receive Single ACSR Zebra Conductor

Transformer Bushing Connector ( 72.5kV Side )

Terminal connector for NCT suitable for 50x6 mm CU flat

11kV Equipment

11KV Neutral current transformer for 66 /11kV transformer on 66 kV side neutral CTR 150-100/1 A CT design parameter.

11kv , 26.3kA for 1 Secs., 1250A, 500MVA rupturing capacity indoor VCB switchgearpanel 24V DC operated with required PTs, CTs, protective relays, metering equipment, auxiliary equipment, extensible (both sides) copper busbars, complete cable termination Kits and all realy shall be of numerical type with suitable for IEC 61850 protocol as per technical specification. 1. 800A Incoming feeder = 1 Nos. for each transformer Core-1:600-300 / 5A Cl-0.2s, 15 VA, ISF=<5 Core-2: 600-300/5A, 5P20, 15 VA Core-3: 600-300/5A, PS To be provided with one Tri-vector meter on each incomer and outgoing 2. 400 A outgoing feeder = 4 Nos Core-1: 200-100/5A Cl- 0.2s, 15 VA, ISF=<5 Core-2: 200-100/5A 5P10, 15 VA 3.1250 A Buscoupler with adaptor feeder = 1 Nos., CTR : 600-300/5-5 A, 2 Core Refer CT design parameters as per technical specifications. 4. 1250A Capacitor bank feeder - 1NO., CT:400-200/1A, CI-0.5, 5VA Core -2:400-200/1A, 5P20, 5VA

Indoor floor mounted, simplex type Control and Relay Panels, with mimic & annunciation panel for 66kV system as per specification comprising of the C & R Panels shall be complete with Numerical Relays as per the Technical specifications. The control, metering & protection system shall be complete with Numerical relays & compatible for performing the functions as per the electrical specifications & shall be fully compatible with substation automation /SCADA. (66 kV Transformer Protection & Control Panel )

2200KVR at 12.65 KV Capacitor bank with complete arrangement for connection with 11kv incomer panel,series reactor RVT surge arresters ht cable with termination kits ,control cables ,CRCA, Cubical panel etc. With structure foundation and accessories .Of suitable MVAR As per TS

Earthing and Lightning protection material (The quantity of GI Flat/MS rod for earthing & lightning protection is approximate. The exact quantity to be arranged as per GFC drawing and as per site requirement)

MS rod 40mm for Equipment Earthing like CT,CB, Isolator , LA, BPI & Tower Earthing, riser below ground etc.

75 x 12mm GI Flat for earthing of Transformer body

50 x 6 mm GI Flat for earthing of Marshalling Boxes, Panel, Junction boxes, Distribution Board, Battery Charger etc.

50 x 6 mm Copper flat for earthing of Transformer Neutral on HV as well LV Side.

Supply of Rod type earthing as per IS with 3000 mm long,40 mm dia rod to be placed in 3000 mm deep pit for Transformer Neutral earthing t to be filled with salt & charcoal (as per standard earthing Practices)(Power trafo )

Battery with Battery Charger and DC Distribution Board (Running + Standby)

30V DC, 200 AH lead acid battery of VRLA type complete with accessories as per specification with 10% spare acid in non-returnable container (In tier arrangement).

Automatic float and Float cum boost charger 40 A suitable for 30 V 200 AH VRLA battery & charger shall be as per specification

DC Distribution Board , fed from independent Battery charger. Busbar rating 100 A for 24 V DC, 16 kA /for 1 SEC, Copper. 1 no. incomer 100A MCCB( Microprocessor base, 4 Nos. - Outgoing feeders with 32A MCCB , 3 Nos. - Outgoing feeders with 16A MCCB

Structural steel for Equipment

Hardwares, nuts, bolts and spring washer

Cable and accessories

11 kV, 1 Core 400 sqmm., AL Conductor, XLPE Insulated , PVC Sheathed, Armoured PVC Outer Sheath Cable for 11 kV outgoing fedder from Power transformer to 11 kV switchgear panel and 11kV Switchgear panel to Double pole structure.(1 runs/phase)

11 kV outdoor termination kit (1CX400 Sqmm.)

11 kV indoor termination kit (1CX400 Sqmm.)

11 kV, 3 Core 240 sqmm., AL Conductor, XLPE Insulated , PVC Sheathed, Armoured PVC Outer Sheath Cable from 11 kV outgoing feeder to outgoing Double pole Structure .(1 runs/phase)

11 kV outdoor termination kit (3CX240 Sqmm.)

11 kV indoor termination kit (3CX240 Sqmm.)

Auxiliary AC Feeders

2 core x 16 Sqmm Cu cable for BMK, Trafo MB & LDB

3 Core 2.5 sqmm Cu cable for outdoor illumination

31/2 core x 150 Sqmm Al cable for oil filtration

Termination kit and accessories for above item

1100 V grade, PVC Insulated, PVC sheathed, steel round wire armoured, stranded copper control cables of the following sizes:

2 core 4 sqmm.

2 Core 6 sqmm.

4Core 4 sqmm.

4 core 2.5 sqmm.

7 core 2.5 sqmm.

12 core 2.5 sqmm.

19 core 2.5 sqmm.

Double compression Glands and terminations (including ferruling, suitable Cu Lugs to meet the system requirements) for 1100 V grade PVC Insulated multicore Copper stranded conductor control cables of the following sizes: 2 core 4 sqmm., 2 Core 6 sqmm., 4Core 4 sqmm., 4 core 2.5 sqmm., 7 core 2.5 sqmm., 12 core 2.5 sqmm.& 19 core 2.5 sqmm.

500 mm Ladder type Cable Trays for outdoor

150 mm Perforted type Cable Trays for outdoor

Rubber mats for control room building near 11 kv panels as per voltage rating requirement conforming to IS-15652 with latest amendments

LED flood light fitting with 150W led with all accessories control gear for Yard Lighting ( to be mounted on existing lighting mast )

Trench Work

Earth work in excavation by mechanical means (hydraulic excavator) in trenches for Fundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts,wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed, within a lead of 50 metres: Ordinary rock

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with. 1:4:8 (1 cement: 4 coarse sand: 8 graded stone aggregate 40mm nominal size).

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding thecost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-incharge. All work upto plinth level.

Shuttering for Foundations: footings, bases of columns,wall etc. for mass concrete.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500 D or more.

Structure Steel Structural steel work in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Welded.

Providing and fixing on wall face unplasticised - Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion.(i) single socketed pipes 110mm diameter

Equipment Foundations

Earth work in excavation by mechanical means (hydraulic excavator) in trenches for Fundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts,wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth anddisposal of surplus excavated earth as directed, within a lead of 50 metres: Ordinary rock

Providing and laying in position cement concrete of specified grade including curing but uding the cost of centring and shuttering. All work upto plinth level with. 1:4:8 (1 cement: 4 coarse sand: 8 graded stone aggregate 40mm nominal size).

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding thecost of entering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-incharge. All work upto plinth level.

Centring and shuttermg including strutting, propping etc. and removal of form for Foundations: footings, bases of columns etc. for mass concrete.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Power Transformer Foundation

Earth work in excavation by mechanical means (hydraulic excavator) in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 2.0 m, including getting out excavated earth anddisposal of surplus excavated earth as directed, within a lead of 50 metres: Ordinary rock Up to a depth of 2.00m below the existing ground level.

Providing and laying in position cement concrete of specified grade including curing but uding the cost of centring and shuttering. All work upto plinth level with. 1:4:8 (1 cement: 4 coarse sand: 8 graded stone aggregate 40mm nominal size).

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding thecost of entering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-incharge. All work upto plinth level.

Centring and shuttermg including strutting, propping etc. and removal of form for Foundations: footings, bases of columns etc. for mass concrete.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

providing and layingStructure Steel and rail assembly

11KV Outdoor feeders supply (having ACF factor for 3500M above)

Supply of 9 Meter Steel Tubular pole (410 SP55 as per IS: 2713) with base plate(450x450x6mm MS painted type) with two coats of red Oxide and one coat of bitumen compound at bottom till planing depth. Silver/Aluminum paint shall be painted on exterior of pole. The weight of the Pole shall be 154 kg. and outside diameter and thicknes of section shall be 165.1X5.40mm (bottom), 139.7x4.50mm (middle) and 114.3x3.65mm (top). T Each Pole shall have M12 stud welded for earthin

10KV LA (Type 9KV 10KA Heavy Duty) as per J&K PDD technical specification.

11 kV 400 Amps. GO Switch complete with handle, pipe & Supporting channel. As per technical specification, relevant ISS and latest amendments

11 KV D.O. fuse unit

11 KV, 10 KN pin insulator complete with 250 mm long Pins with Nuts

Supply of Rod type earthing as per speciifcation with 300 mm long, 32 mm dia and 50x6 50x6 mm GI Fla Rod to be placed in 3000 mm deep pit and pit shall be treated with salt & charcoal. The connection to the pole shall with 50x6 mm GI Flat. Each location shall have two earthing

11KV Outdoor feeders Erection

Erection of 9 Meter Steel Tubular pole (410 SP55 as per IS: 2713) with base plate(450x450x6mm MS painted type) with two coats of red Oxide and one coat of bitumen compound at bottom till planing depth. Silver/Aluminum paint shall be painted on exterior of pole. The weight of the Pole shall be 154 kg. and outside diameter and thicknes of section shall be 165.1X5.40mm (bottom), 139.7x4.50mm (middle) and 114.3x3.65mm (top). T Each Pole shall have M12 stud welded for earthin

10KV LA (Type 9KV 10KA Heavy Duty) as per J&K PDD technical specification.

11 kV 400 Amps. GO Switch complete with handle, pipe & Supporting channel. As per technical specification, relevant ISS and latest amendments (with ACF factor)

11 KV D.O. fuse unit

11KV, 10 KN pin insulator complete with 250 mm long Pins with Nuts

Muffing/Cement bottoming of Steel Tubular Poles1.5 mtr below the ground and 0.3 mtr above the ground (Muff size 450x450 C.C 1:3:6)

Rod type earthing as per speciifcation with 300 mm long, 32 mm dia and 50x6 50x6 mm GI Fla Rod to be placed in 3000 mm deep pit and pit shall be treated with salt & charcoal. The connection to the pole shall with 50x6 mm GI Flat. Each location shall have two earthing

M/S TZ Engineering Works (BID ID -137666)

TL CONSTUCTION COMPANY (BID ID -138403)