Shifting of 3X10 MVA Eastern Substation to 33/6.6 KV, 4X10 MVA Central Substation at Nigahi OCP and Maintenance for five years

Amount

Civil works

Dismantling, shifting and reinstallation of 33/6.6 kV, 3X10 MVA Eastern Substation including all electrical equipment & structures to new location of proposed 33/6.6 kV, 4X10 MVA Central Substation at Nigahi project.

Development Work and Infrastructure a) Earth work in excavation in all kinds of soil and rock in cu. m-113mx95m (Approx.) b) Back filling with all kind of soil in layers- 113mx95m (Approx.) c) Leveling & dressing-113mx95m (Approx.) d) Drain -(Internal and peripheiral) e) Hume pipe culvert f) Culvert (drain crossing) g)100 m deep bore well with submersible pump h) water taps i) GI Pipes- 15- 20mm/50mm j) Dyke Wallk) Pile work

Civil(RCC) and Structural Steel Works a) Substation building having RCC framed structure with steel truss roof shed with false ceiling and cladding (as per requirement) b) RCC Cable Trench c) R.C.C. Foundation for structural steel works d)Suppling and spreading stone pabbles e) Baffle wall of suitable dimension between power transformers f) soak pits g)Anti weed Treatment h)Concertina coil fencing i) Structural Steel Work j) Painting of Steel Works

SUPPLY OF ELECTRICAL (LIST OF EQUIPMENT)

33 kV Supply: a) L.A., Station Class, 30kV,10kA, for 33kV system (Set of 3) with surge counter -3 sets. b) Isolator Off Load type, 33kV, Outdoor Type, with earth switch. -1 sets. c) Isolator Off Load type, 33kV, Outdoor Type, without earth switch. -7 sets. d) 33 kV drop out fuse, out door type.-2 sets. e) SF6 circuit breakers, 33 kV, 1250 Amps, 750 MVA symmetrical breaking capacity with indoor type remote control panel as per specification- 02 Nos. f) 33 kV/110 V PT, out door type.-1 sets. g) 33 kV CT out door type.-4 sets. h) Transformer, outdoor type, Cu wound, 10 MVA, 3 Phase, 50 Hz, Primary Voltage: 33000 V Secondary Voltage: 6600 V, Connection: DYn11- 1 No. i) 160kVA , 33/0.415 kV DY Outdoor Type Station Transformer (Cu)-2 Nos. j) Nitrogen Injection firefighting System for 10 MVA Transformer-1 No.

6.6 kV Supply: a) 6 kV grade, 5 kA lightning arrestor with surge counter, station class, metal oxide, suitable for 6.6 kV system in outdoor switch yard of substation, in set of three- 6 Sets. b) 6.6 kV, 3 pole, outdoor type, gang operated double break isolator with/without earthing switch and suitable for outdoor installation- 28 Sets. c) 6.6 kV Capacitor Bank (As Required to maintain power factor 0.98) with APFC control -4 Sets. d) 100kVA , 6.6/0.23 kV (L-L) DY Indoor Type Lighting Transformer (Cu)-2 Nos. e) 6.6 kV outdoor type VCB, with indoor type remote control panel complete with metering facilities.- 20 Nos. f) Neutral Grounding Resistor with CT , 6.6 kV,50 Amp,76 ohms-1 No.

Conductors , Cables and Busbars for entire substation a) Insulators,Tubular busbar for 33 kV , Steel hardware, Post Insulator clamps, terminal connectors etc for 33 kV etc .-As Required-1 Lot. b) Insulators,Tubular busbar for 6.6 kV , Steel hardware, Post Insulator clamps, terminal connectors etc for 6.6 kV etc .-As Required-1 Lot. c) Steel terminal structures along with suitable insulators to receive 33 kV incoming lines - 1 Lot. d) 1100/660 V grade, PVC/XLPE insulated double wire copper armoured Power cable with Aluminium conductors of required sizes- 1 Lot. e) Copper control cable of size 2.5 sq. mm. of various cores, complete as per requirement.-1 Lot. f) Cable trays, cable racks, binding material, cable glands, cable terminal lugs, nuts, bolts, washer, cable jointing and termination kit etc-1 Lot.

Earthing System a) Earthing system (Earth Grid) including earth pits, required galvanised strips/flats for inter connection etc.-1 Lot b) Mat earthing system for earthing of switch yard equipment, complete with earth pits, electrodes, grid conductors (Galvanized steel flats), saddles, required hard ware (washers, nuts, bolts) etc..-1 Lot c) Earthing of boundary fencing consisting of earth pits, electrodes, grid conductors (Galvanised steel flats), saddles, required hardware (washers, nuts, bolts), earthing conductors etc-1 Lot d) Required earth pits, electrodes, Galvanised steel flats, saddles, required hardware etc. for earthing of indoor/outdoor electrical equipment installations.- 1 Lot e) Earthing arrangement consisting of earth pits, electrodes, grid conductors (Galvanized steel flats), saddles etc. for the earthing of equipment of substation building-1 Lot

Lightning Protection System a) Galvanized Iron wire of size 7/12 SWG for shielding wire- 1 Lot (As Per Design) b) Galvanised steel structure tower 11M height/ Lightning protection mast- 6 Nos. c) Spikes, interconnecting galvanized steel flats etc for protection of the total switchyard area against lightning stroke- 1 Lot (As Per Design) d) Lightning protection system for substation building consisting of suitable number of spikes, interconnecting galvanized steel flats, down earth conductors, earth pits, electrodes, earth pit interconnecting galvanized flats, saddles, hardware etc - 1 Lot (As Per Design)

Illumination System a) Supply of distribution boards, luminaries, ceiling fans, exhaust fans etc. including junction boxes, conduits, switches sockets etc. for indoor illumination- 1 Lot (As Per Design and DGMS Guidelines) b) 6 nos. Lighting mast, 11 m height, along with required nos. luminaries with LED lamps, control gear etc. for outdoor yard lighting and automatic ON/OFF timer- 1 Lot (As Per Design and DGMS Guidelines) c) 8 nos. 7 m (min) high steel poles along with required numbers of luminaries with LED lamps, control gear, brackets, automatic ON/OFF timer etc. for outdoor peripharal and internal road-1 Lot (As Per Design and DGMS Guidelines) d) Four nos. LED flood light fittings of bracket mounted outdoor type shall be erected on rooftop of the substation building e) Emergency illumination including distribution board, cable, switches, luminaries etc- 1 Lot

Auxiliary power supply, Battery bank and distribution boards a) 110 V, 160 AH Battery Bank with Battery Charging Set -1 set. b) Inverter cum battery charger along with battery for emergency lighting suitable for operation at 230V AC inside substation building-1 set c) Power distribution board, 415V, 3 ph and neutral with MCCB/MCB’s for control and distribution of auxiliary loads including firefighting system of the substation except lighting load- 1 set d) DC Power distribution board, 110V, with all protections for supplying power to various installations- 1 set. e) Lighting distribution board 3 ph, 230V with MCCB/MCBs for control and distribution to lighting load of the substation-1 set

Fire Fighting System a) Fire Detection System-As Required b) Portable Fire fighting system i) 22 kG CO2 type-As Required ii) 9 kg CO2 type- As Required iii) 4.5 kg powder type- As Required . iv) Sand Bucket with stand- As Required

Miscellaneous a) insulators, hardwares, clamps and connectors.-As required b) 5 star Split AC, pressurization and ventilation system for Substation Building-As required c) One number water cooler with RO purifier d) Insulating mat for indoor panels-Lot e) Hand gloves suitable for 33 KV -03 nos. f) Arc flash suit suitable for 33 KV -02 nos. g) Discharge rod suitable for 33 KV telescopic type -03 nos., h) Megger 2.5 KV -01 no. i) Megger 5 KV -01 no. j) Megger 1 KV -01 no. k) Earth resistance tester-01 no. l) Multimeter /clamp meter -01 no., m) Fiber ladder 6 mtr-01 no., n) Fiber ladder 12 mtr -01 no., o) Non-contact type H.T and L.T voltage detecter-01 no. each, p) Temperature meter laser beam type-01 no, q) Transformer oil testing machine -01 no., r) Portable type transformer oil filtration machine (heavy duty type)-01 no., s) 400 w blower-02 nos., t) Loto station system/kit- 01 no, u) Safety belt -03 nos. etc. v) Electrical layout or single line diagram-Lot w) Electrical shock treatment chart-Lot x) DO'S and DON'T chart-Lot y) Earth pit connection diagram in retro refractive radium type display-Lot z) Danger plate-Lot aa) Furnitures-Lot ab) Submersible pump with electricals & cables-1 Set ac) Relay Testing Kit, cable fault detector and tools kit ad) other items not specifically included above but essential for completion of entire work.-1 Lot

ERECTION, INSTALLATION & COMMISSIONING OF ELECTRICAL (LIST OF EQUIPMENT)

33 kV Equipment and facilities : a) L.A., Station Class, 30kV,10kA, for 33kV system (Set of 3) with surge counter -8 sets. b) Isolator Off Load type, 33kV, Outdoor Type, with earth switch. -2 sets. c) Isolator Off Load type, 33kV, Outdoor Type, without earth switch. -21 sets. d) 33 kV drop out fuse, out door type.-04 sets. e) SF6 circuit breakers, 33 kV, 1250 Amps, 750 MVA symmetrical breaking capacity with indoor type remote control panel as per specification- 08 Nos. f) 33 kV/110 V PT, out door type.-02 sets. g) 33 kV CT out door type.-08 sets. h) Transformer, outdoor type, Cu wound, 10 MVA, 3 Phase, 50 Hz, Primary Voltage: 33000 V Secondary Voltage: 6600 V, Connection: DYn11- 4 Nos. i) 160kVA , 33/0.415 kV DY Outdoor Type Station Transformer (Cu)-2 Nos. j) Nitrogen Injection firefighting System for 10 MVA Transformer-4 Nos.

6.6 kV Equipment and facilities: a) 6 kV grade, 5 kA lightning arrestor with surge counter, station class, metal oxide, suitable for 6.6 kV system in outdoor switch yard of substation, in set of three- 17 Sets. b) 6.6 kV, 3 pole, outdoor type, gang operated double break isolator with/without earthing switch and suitable for outdoor installation- 88 Sets. c) 6.6 kV Capacitor Bank (As Required to maintain power factor 0.98) with APFC control -4 Sets. d) 100kVA , 6.6/0.23 kV (L-L) DY Indoor Type Lighting Transformer (Cu)-2 Nos. e) 6.6 kV outdoor type VCB, with indoor type remote control panel complete with metering facilities.- 40 Nos. f) Neutral Grounding Resistor with CT , 6.6 kV,50 Amp,76 ohms-4 No.

Conductors , Cables and Busbars for entire substation a) Insulators,Tubular busbar for 33 kV , Steel hardware, Post Insulator clamps, terminal connectors etc for 33 kV etc .-As Required-1 Lot. b) Insulators,Tubular busbar for 6.6 kV , Steel hardware, Post Insulator clamps, terminal connectors etc for 6.6 kV etc .-As Required-1 Lot. c) Steel terminal structures along with suitable insulators to receive 33 kV incoming lines - 1 Lot. d) 1100/660 V grade, PVC/XLPE insulated double wire copper armoured Power cable with Aluminium conductors of required sizes- 1 Lot. e) Copper control cable of size 2.5 sq. mm. of various cores, complete as per requirement.-1 Lot. f) Cable trays, cable racks, binding material, cable glands, cable terminal lugs, nuts, bolts, washer, cable jointing and termination kit etc-1 Lot.

Earthing System a) Earthing system (Earth Grid) including earth pits, required galvanised strips/flats for inter connection etc.-1 Lot b) Mat earthing system for earthing of switch yard equipment, complete with earth pits, electrodes, grid conductors (Galvanized steel flats), saddles, required hard ware (washers, nuts, bolts) etc..-1 Lot c) Earthing of boundary fencing consisting of earth pits, electrodes, grid conductors (Galvanised steel flats), saddles, required hardware (washers, nuts, bolts), earthing conductors etc-1 Lot d) Required earth pits, electrodes, Galvanised steel flats, saddles, required hardware etc. for earthing of indoor/outdoor electrical equipment installations.- 1 Lot e) Earthing arrangement consisting of earth pits, electrodes, grid conductors (Galvanized steel flats), saddles etc. for the earthing of equipment of substation building-1 Lot

Lightning Protection System a) Galvanized Iron wire of size 7/12 SWG for shielding wire- 1 Lot (As Per Design) b) Galvanised steel structure tower 11M height/ Lightning protection mast- 6 Nos. c) Spikes, interconnecting galvanized steel flats etc for protection of the total switchyard area against lightning stroke- 1 Lot (As Per Design) d) Lightning protection system for substation building consisting of suitable number of spikes, interconnecting galvanized steel flats, down earth conductors, earth pits, electrodes, earth pit interconnecting galvanized flats, saddles, hardware etc - 1 Lot (As Per Design)

Illumination System a) Supply of distribution boards, luminaries, ceiling fans, exhaust fans etc. including junction boxes, conduits, switches sockets etc. for indoor illumination- 1 Lot (As Per Design and DGMS Guidelines) b) 6 nos. Lighting mast, 11 m height, along with required nos. luminaries with LED lamps, control gear etc. for outdoor yard lighting and automatic ON/OFF timer- 1 Lot (As Per Design and DGMS Guidelines) c) 10 nos. 7 m (min) high steel poles along with required numbers of luminaries with LED lamps, control gear, brackets, automatic ON/OFF timer etc. for outdoor peripharal and internal road-1 Lot (As Per Design and DGMS Guidelines) d) Four nos. LED flood light fittings of bracket mounted outdoor type shall be erected on rooftop of the substation building e) Emergency illumination including distribution board, cable, switches, luminaries etc- 1 Lot

Auxiliary power supply, Battery bank and distribution boards a) 110 V, 160 AH Battery Bank with Battery Charging Set -1 set. b) Inverter cum battery charger along with battery for emergency lighting suitable for operation at 230V AC inside substation building-1 set c) Power distribution board, 415V, 3 ph and neutral with MCCB/MCB’s for control and distribution of auxiliary loads including firefighting system of the substation except lighting load- 1 set d) DC Power distribution board, 220V, with all protections for supplying power to various installations- 1 set. e) Lighting distribution board 3 ph, 230V with MCCB/MCBs for control and distribution to lighting load of the substation-1 set

Fire Fighting System a) Fire Detection System-As Required b) Portable Fire fighting system i) 22 kG CO2 type-As Required ii) 9 kg CO2 type- As Required iii) 4.5 kg powder type- As Required . iv) Sand Bucket with stand- As Required

Miscellaneous a) insulators, hardwares, clamps and connectors.-As required b) 5 star Split AC, pressurization and ventilation system for Substation Building-As required c) One number water cooler with RO purifier d) Insulating mat for indoor panels-Lot e) Hand gloves suitable for 33 KV -03 nos. f) Arc flash suit suitable for 33 KV -02 nos. g) Discharge rod suitable for 33 KV telescopic type -03 nos., h) Megger 2.5 KV -01 no. i) Megger 5 KV -01 no. j) Megger 1 KV -01 no. k) Earth resistance tester-01 no. l) Multimeter /clamp meter -01 no., m) Fiber ladder 6 mtr-01 no., n) Fiber ladder 12 mtr -01 no., o) Non-contact type H.T and L.T voltage detecter-01 no. each, p) Temperature meter laser beam type-01 no, q) Transformer oil testing machine -01 no., r) Portable type transformer oil filtration machine (heavy duty type)-01 no., s) 400 w blower-02 nos., t) Loto station system/kit- 01 no, u) Safety belt -03 nos. etc. v) Electrical layout or single line diagram-Lot w) Electrical shock treatment chart-Lot x) DO'S and DON'T chart-Lot y) Earth pit connection diagram in retro refractive radium type display-Lot z) Danger plate-Lot aa) Furnitures-Lot ab) Submersible pump with electricals & cables-1 Set ac) Relay Testing Kit, cable fault detector and tools kit ad) other items not specifically included above but essential for completion of entire work.-1 Lot

Defect Liability Period (Maintenance of the Substation)

Maintenance of the plant for five year after commissiong

Training of the employer personnel as per requirement

Other Items

Any other item left out for completion of the project i.e. Overhead Construction Cost, Insurance, Contingency charges, store cost for maintenance of P&M (Elect.) etc.

Total impact of GST for the purpose of CTC