Design, Engineering, Supply, Installation, Erection, Testing and Commissioning of Additional 6.3MVA Transformer bay at existing 2x10MVA Sub-station Leh

Amount

A. Substation Supply Portion

RTCC panel including all cabling (BIL-650kV Peak, Altitude- 3500 M.

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-650kVpeak, 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), without earth switch

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

66KV 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, 10kA, Metal Oxide type, heavy duty, station class 3, Lightning Arrestor complete with Surge Counter & flexible copper connecting lead. (BIL- 650 kVpeak, Altitude- 3500 M)

66kV Cable sealing end (CSE) for BIL- 650 kVpeak,Creepage distance=2960 mm/kV, Altitude- 3500 M suitable for holding ACSR Zebra Conductor at one end and 66kV 1Cx400sqmm XLPE EHV Cable at other end

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 end termination heat shrinkable cable kit BIL- 650 kVpeak, Altitude- 3500 M suitable for holding ACSR Zebra Conductor at one end and 11kV, 1Cx400sqmm XLPE HV Cable at other end

11kv , 26.3kA for 1 Secs., 1250A, 500MVA rupturing capacity indoor VCB switchgear panel 30V 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. 1250A 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 2. 400A 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 feeder = 1 Nos., CTR : 600-300/5-5 A, 2 Core Refer CT design parameters as per technical specifications. 4. 400 A capacitor bank feeder = 1 No CT-1 : 400-200 / 5A Cl- 0.2s, 15 VA, ISF=<5 Core-2: 400-200/5A 5P20, 15 VA

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 )

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)

65 x 8 mm GI Flat 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 and erection of 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

30V DC, 2V each cell, 200 AH lead acid battery of VRLA Gel type complete with accessories as per IS specification

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

DC Distribution Board , fed from independent Battery charger. Busbar rating 100A for 30V 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

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

11 kV outdoor termination kit (1CX400 Sqmm.)

11 kV indoor termination kit (1CX400 Sqmm.)

11 kV, 3 Core 185sqmm., 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.)

66 kV EHV cable (fault current 31.5kA), 1 Core 400 sqmm, AL Conductor, XLPE Insulated , PVC Sheathed, Armoured PVC Outer Sheath Cable for connecting main bus to trafo bay (1 run/phase with 1 spare run)

Auxiliary AC Feeders

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

4 Core 16 sqmm Al cable for outdoor illumination JB

3 Core 2.5 sqmm Cu cable for outdoor illumination

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.

11KV LA (Type 9KV 10KA Heavy Duty)

500mm Ladder type Cable Trays for outdoor

150mm Perforated type Cable Trays for Indoor

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

Outdoor illumination

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

Lighting junction box for Light suitable for out door Installation comprising of 4 Nos. CBT M 4 type terminal connector for light connections Max size 150 x150x100mm

Spare part quantities

11 kV outdoor termination kit (1CX400 Sqmm.)

11 kV indoor termination kit (1CX400 Sqmm.)

11 kV outdoor termination kit (3CX240 Sqmm.)

11 kV indoor termination kit (3CX240 Sqmm.)

B. Substation Erection Portion

Power Transformer of 6.3 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. The filtration of Power Transformer oil, addition of oil, if required to be included in the cost Note: Power Transformer to be provided by the department.

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), without earth switch

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

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

66kV Cable sealing end (CSE) for BIL- 650 kVpeak,Creepage distance=2960 mm/kV, Altitude- 3500 M suitable for holding ACSR Zebra Conductor at one end and 66kV 1Cx400sqmm XLPE EHV Cable at other end

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 end termination heat shrinkable cable kit BIL- 650 kVpeak, Altitude- 3500 M suitable for holding ACSR Zebra Conductor at one end and 11kV, 1Cx400sqmm XLPE HV Cable at other end

11kv , 26.3kA for 1 Secs., 1250A, 500MVA rupturing capacity indoor VCB switchgear panel 30V 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. 1250A 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 2. 400A 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 feeder = 1 Nos., CTR : 600-300/5-5 A, 2 Core Refer CT design parameters as per technical specifications. 4. 400 A capacitor bank feeder = 1 No CT-1 : 400-200 / 5A Cl- 0.2s, 15 VA, ISF=<5 Core-2: 400-200/5A 5P20, 15 VA

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 )

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)

65 x 8 mm GI Flat 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.

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

30V DC, 2V each cell, 200 AH lead acid battery of VRLA Gel type complete with accessories as per IS specification

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

DC Distribution Board , fed from independent Battery charger. Busbar rating 100A for 30V 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

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

11 kV outdoor termination kit (1CX400 Sqmm.)

11 kV indoor termination kit (1CX400 Sqmm.)

11 kV, 3 Core 185sqmm., 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.)

66 kV EHV cable (fault current 31.5kA), 1 Core 400 sqmm, AL Conductor, XLPE Insulated , PVC Sheathed, Armoured PVC Outer Sheath Cable for connecting main bus to trafo bay (1 run/phase with 1 spare run)

Auxiliary AC Feeders

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

4 Core 16 sqmm Al cable for outdoor illumination JB

3 Core 2.5 sqmm Cu cable for outdoor illumination

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.

11KV LA (Type 9KV 10KA Heavy Duty)

500mm Ladder type Cable Trays for outdoor

150mm Perforated type Cable Trays for outdoor

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

Outdoor illumination

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

Lighting junction box for Light suitable for out door Installation comprising of 4 Nos. CBT M 4 type terminal connector for light connections Max size 150 x150x100mm

Substation Civil Portion

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 etc. for mass concrete.

Shuttering Walls (any thickness) including attached plasters, buttresses, plinth and string courses etc.

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.

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

Backfilling of earth

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-500 D or more.

Rail assembly as per requirement.

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.

M/s S. F. ENTERPRISES

HIMALAYAN RENEWABLE ENERGY AND CONSTRUCTION FIRM (HRECF)