Design Engineering manufacturing supply erection testing and commissioning of hybrid switching GIS arrangement for construction of 132 KV BAY for evacuation of power on 132 KV BB II line from grid station Gladni

Amount

SUPPLY OF EQUIPMENTS

145kV Hybrid GIS for Transmission Line/Transformer Bay module for DOUBLE BUS BAR

145kV Hybrid GIS double bus bar for Transmission Line/Transformer Bay module complete in all respect (including CT, Disconnector and Breaker including terminal connectors etc as per technical specification)including first fill of SF6 gas and 10% spare.

Mandatory Spares for GIS Hybrid as mentioned in Schedule B in the SBD.

Control and Relay Panel

132KV Control and Relay Panel for Line/Feeder completely wired including complete feeder bay automation including software and hardware for the bay and remote control Substation automation supporting IEDs/numerical relays inlcuding Distance protection (Main distance and backup distance) with optical fibre and other interface /converter equipment with proper air conditioning/ventilation equipment for the control room.CB Relay panel with Auto-Reclose LIne Protection Panel.

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. 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.

Surge Arrestors

Single Phase 50 c/s, outdoor metal oxide gapless type, 120KV (rms) Surge Arrestor including Surge counters/monitors, insulating base all associated accessories, auxiliaries alongwith terminal connectors/clamps suitable for ACSR Moose

Bus Post Insulators

132KV Post Insulators Solid Core Type, Power Frequency Withstand Voltage 275KVP Dry lightning impulse withstand voltage ± 650 (KVP),Max.RIV (in microV) between 0.5Mhz to 2.0Mhz at 93.34 KV (rms) for 132 KV phase to ground voltage 1000mV

Single phase 50 c/s, 132 KV Capacitor Voltage Transformers (132/√3)KV/(110/√3)V,one min power frequency withstand 275KVrms alongwith terminal connectors/clamps suitable for ACSR Moose

Structures(Fabrication,galavanising and supply of following Steel structures including nuts ,bolts ,all types of washers,packplates,step bolts and gusset plates)

Galvanized structures

Galavanised Nuts and Bolts

CONDUCTOR AND HARD WARE FITTINGS

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 70 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 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 70 KN.

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.

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.

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

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

P I Clamps made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition) suitable for ACSR Moose

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

Spacers for ACSR Moose 30mm spacing

POWER AND CONTROL CABLES ALONGWITH CABLE TRAYS/CABLE RACKS/ACCESSORIES

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

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

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

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

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

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

Lugs, Ferrules, glands, Welding Material, Cotton Waste etc

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

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

Miscellanous works (shall be carried out if required as per site conditions includes if required moving adjacent C&R and other panels from their original position for clearing space/making space for new panels.)

Dismantling (such as equipment , structure, conductor, control cables, fittings, other hardware accessories and their foundations) of existing 01 No. 132 KV Transformer Bay for its conversion to 132 KV Hybrid/GIS Bay.

CIVIL WORKS INCLUDING DESIGN & PREPARATION OF CONSTRUCTION/STRUCTURAL DRAWINGS(NOTE: CHARGES FOR CIVIL WORKS SHALL BE PAID AS PER ACTUAL MEASUREMENTS OF WORKS EXECUTED AT SITE)

FOUNDATION FOR GANTRIES,EQUIPMENTS,HYBRID switchgear including of all the foundations required for successful commissioning of 02 no Hybrid switchgear and for evacuation of power. (complete in all respect)

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 sheeting & 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.

Concrete of M-10 grade having cube strength of 10 N / mm2 with 40 mm nominal size coarse aggregate.

Concrete of M-25 grade having cube strength of 25N / mm2 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.

Cement plaster in two coats 12mm thick cement plaster 1:5(1 cement;5 coarse sand) finished with top layer 6mm thick cement plaster 1:6.

CABLE TRENCHES

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 sheeting & shoring, dewatering, lifting, handling and stock piling of excavated materials backfilling with excavated earth and it's disposal thereof as directed for all leads and lifts complete as per specification, cement concrete work, mild steel reinforcement, cable duct covers, M.S Angle of suitable sizes, plastering, cable trays construction drawings and direction of Engineer-in-charge. (Cable trench complete in all respect along with cable duct covers). Cement plaster in two coats 12mm thick cement plaster 1:5(1 cement;5 coarse sand) finished with top layer 6mm thick cement plaster 1:6

Main Duct of Size 1500mm x 1500mm with 6 mm M.S Chequered Trench Covers of size 1600x500 mm

Main Duct of Size 1200mm x 1200mm with 75mm Concrete Covers grade M15 of size 1300x500 mm

Sub Main Duct of Size 600mm x 600mm with 75mm Concrete Covers grade M15 of size 700x500 mm

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

EARTH MAT/Modifications in the existing Earth Mat

Providing and erection of structure earthing from top of structure to termination of earthing from eartmat at bottom of structure (diagnoally) with GI wire and suitable clamps for all structures of the equipments and others.

Separate pipe earthing for LA's

Earthwork in trenches for all kind of soil 1.5x1.5x3 Mtr.

Providing & fixing of G.I.pipe 2 inch dia

Providing & fixing of Copper Plate 600x600mmX10mm

Providing & welding of GI Flat with pipe and structure 75x8mm for 3 no. earthings

Provision of Salt & Charcoal for earthings (3300 Kg each)

Levelling and grading

Levelling and grading of the 01 no 132KV bay/any other work after constructon of foundations, cable trenches and finishing the area by laying 100mm thick layer of morrum (compacted thickness) , 80mm thick compated thickness layer of 40mm nominal size metal over morrum layer over it 75mm thick PCC of ratio 1:3:6 and then laying of 150mm thick layer of 20mm nominal size metal and providingand fixing of 100 mm dia PVC pipe @2mtrs centre to centre throughout the bay for drainage of rainwater alonwith stainless steel grating including the cost of labour, hire charges of equipments and T&P, POL extra complete as per specifications, approved constructional drawings and as per the direction of the Engineer-in-charge.

Miscellenous works such as repairing of 132KV existing cable duct main as well as submain including repairing of cable trays, duct covers and flat bed and walls.

Handling,Storage,Preservation,Erection (Except Civil works),Testing & Commissioning

145kV Hybrid GIS Double Bus Bar for Transmission Line/Transformer Bay module complete in all respect (including CT, Disconnector and Breaker including terminal connectors etc as per technical specification)including first fill of SF6 gas and 10% spare.

Control and Relay Panel

132KV Control and Relay Panel for Line/Feeder completely wired including complete feeder bay automation including software and hardware for the bay and remote control Substation automation supporting IEDs/numerical relays inlcuding Distance protection (Main distance and backup distance) with optical fibre and other interface /converter equipment with proper air conditioning/ventilation equipment for the control room.CB Relay panel with Auto-Reclose.Cb Relay Panel LIne Protection Panel.

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. 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.

Surge Arrestors

Single Phase 50 c/s, outdoor metal oxide gapless type, 120KV (rms) Surge Arrestor including Surge counters/monitors, insulating base all associated accessories, auxiliaries alongwith terminal connectors/clamps suitable for ACSR Moose

Bus Post Insulators

132KV Post Insulators Solid Core Type, Power Frequency Withstand Voltage 275KVP Dry lightning impulse withstand voltage ± 650 (KVP),Max.RIV (in microV) between 0.5Mhz to 2.0Mhz at 93.34 KV (rms) for 132 KV phase to ground voltage 1000mV

Single phase 50 c/s, 132 KV Capacitor Voltage Transformers (132/√3)KV/(110/√3)V,one min power frequency withstand 275KVrms alonwith terminal connectors/clamps suitable for ACSR Moose

Structures(Fabrication,galavanising and supply of following Steel structures including nuts ,bolts ,all types of washers,packplates,step bolts and gusset plates)

Galvanized structures

Galavanised Nuts and Bolts

CONDUCTOR AND HARD WARE FITTINGS

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 70 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 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 70 KN.

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.

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.

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)

P I Clamps made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition) suitable for ACSR Moose

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

Spacers for ACSR Moose 30mm spacing

POWER AND CONTROL CABLES ALONGWITH CABLE TRAYS/CABLE RACKS/ACCESSORIES

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

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

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

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

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

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

Lugs, Ferrules, glands, Welding Material, Cotton Waste etc

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

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

Retrofitting /Augumentation of existing 132KV Control and Relay Panel for 150 MVA Transformer bay completely wired including complete transformer bay automation including software and hardware for the bay and remote control station supporting IED's/numerical relays including Differential relay, Directional 3 O/C 1 E/F protection and numerical communicable REF protection relay with optical fibre and other interface /converter equipments with propor air conditioning/ ventilation equipements for the control room. Transformer Protection Panel for making it compatible to the Hybrid GIS Double Bus Bar Module

Re-location of existing dismantled145 KV isolators with/without earth blade as per site conditions to be decided during detailed engineering

Miscellanous works not covered above (shall be carried out if required as per site conditions )

Packaging and Carriage of Dismantled (such as equipments,structure,conductor,control cables,fittings,other hardware fittings accessories) of existing 132 KV 01 No Bay to divisional store.

VITS TOTAL POWER SOLUTIONS PRIVATE LIMITED

HARTEK POWER PRIVATE LIMITED