NIT NO TLMD VI/07 Dt 24.06.2020

Amount

Civil Works Including Designing, approval, Supply, execution, laying and casting of various Civil works as per below given description for Augmentation of Grid station mattan from 50 to 100MVA

(A) Foundations for Yard equipment structures including Laying of Earthing Mat, 132KV and 33 Kv Column structures etc.

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 and laying of stone soling hand packed Including cost of all materials, labour, hire charges of equipments and T&P, POL, etc complete for handling, transportation, batching, placing.

Supply and Fixing of foundation bolts (M24) including alignment for equipment foundations as per LMR, Weight per bolt,6kg +fabrication charges

Fabrication, galvanisation, supply including packing and forwarding, transportation charges of stub legs for 132 KV and 33 Kv Column structures

High yield strength cold deformed steel reinforcement bars conforming to IS: 1786 for R.C.C. or any other work including the cost of all materials, binding wire, labour, hire charges of equipments and T&P, bending, binding, placing and tieing in position, POL etc. complete as per specification, construction drawings and direction of Engineer-in-charges.

Plain cement concrete of specified grade and strength conforming to IS: 456 placed as sub-base under structural concrete or as shown in approved construction drawings at all levels including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering etc complete for handling, transportation, batching, mixing, placing, vibrating, compacting, leveling, curing etc. as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-7.5 grade h with 40 mm nominal size coarse aggregate in 1:4:8

Concrete of M-10 grade h with 40 mm nominal size coarse aggregate in 1:3:6

Structural cement concrete ( plain/ reinforced) of specified 28 days strength (nominal size of coarse aggregate 20 mm) at all levels, including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering, curing, etc complete for handling, transportation, batching, mixing, placing, vibrating, and rendering, cleaning and finishing the exposed over ground surfaces with cement mortar 1:3 (1 cement : 3 sand) to give smooth and even surface, stub setting, fixing of foundation bolts ( as applicable) but excluding the cost of reinforcement complete as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-15 grade with 20 mm nominal size coarse aggregate in1:2:4.

Concrete of M-25 grade with 20 mm nominal size coarse aggregate in1:1:2.

Earthwork/Excavation of soil (1 mtr x 1.50 mtr x 1 mtr) in all types of soils, including dispersal of extra soil, its carriage and Laying of earthing mat (40mm dia steel bars) as per approved design, galvanised iron (75mm x 12 mm/ 50mm x 6mm) risers, their surface cleaning, jointing by welding and driving of spikes etc for equipment and structural earthing. in the ratio 70:20:10 (40mm rod:75mm Strip:50mm Strip)(40mm Dia Rod) Refer electrical Schedule, item 8 of 132kv Transformer bay)

(B) Concreting and laying of yard metal for 1 No. 132KV Bay, 1 No. 33KV bay and Space between 132kv &33Kv Bays

Surface dressing of ground,removal of inequalities less than 15 cms (Devegitation)

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 and laying of stone soling hand packed Including cost of all materials, labour, hire charges of equipments and T&P, POL, etc complete for handling, transportation, batching, placing.

Concrete of M-10 grade h with 40 mm nominal size coarse aggregate in 1:3:6

Providing/ supply/laying/spreading/levelling of 100 mm thick (compacted tickness) layer of 40 mm nominal size metal over M:10 grade concrete layer & providing the suitable slopes towards the nearest drains including the cost of all materials, labor, higher charges of equipments & T&P, POL etc. complete as per specification, construction drawings and direction of engineer in charge as per LMR

(C) Construction of cable trenches for 1 No. 132 KV new Bay,1 No. 33 KV new Bay

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 and laying of stone soling for excavated cable trenches, hand packed including cost of all materials, labour, hire charges of equipments and T&P, POL, etc complete for handling, transportation, batching, placing.

High yield strength cold deformed steel reinforcement bars conforming to IS: 1786 for R.C.C. or any other work including the cost of all materials, binding wire, labour, hire charges of equipments and T&P, bending, binding, placing and tieing in position, POL etc. complete as per specification, construction drawings and direction of Engineer-in-charges.

Plain cement concrete of specified grade and strength conforming to IS: 456 placed as sub-base under structural concrete or as shown in approved construction drawings at all levels including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering etc complete for handling, transportation, batching, mixing, placing, vibrating, compacting, leveling, curing etc. as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-7.5 grade h with 40 mm nominal size coarse aggregate in 1:4:8

Structural cement concrete ( plain/ reinforced) of specified 28 days strength (nominal size of coarse aggregate 20 mm) at all levels, including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering, curing, etc complete for handling, transportation, batching, mixing, placing, vibrating, and rendering, cleaning and finishing the exposed over ground surfaces with cement mortar to give smooth and even surface, stub setting, fixing of foundation bolts ( as applicable) but excluding the cost of reinforcement complete as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-15 grade with 20 mm nominal size coarse aggregate in1:2:4.

Providing and fixing covers at all levels including cost of all materials, labour, hire charges of equipments and T&P, POL, curing etc. complete for finished item of work as per specification, construction drawings and direction of Engineer-in-charge.

Pre-cast R.C.C. covers made of M-25 grade concrete ,100mm Thick

Providing, fabricating and Fixing of angle iron 50*50*6 for base and brackets/ Trays and Cleats, Flat iron 110*10mm for holding of brackets/Trays properly grouted into concrete, Flat Iron 65*8 for hooks and end brackets etc.

Plain cement concrete of grade M15 for providing slope (1:250 slope) in cable trenches of specified grade and strength conforming to IS:456 including cost of all materials, labour, hire charges of equipments and T&P, POL, handling, transportation, batching, mixing, curing, etc. complete for finished item of work as per specification, construction drawings and direction of Engineer-in-charge.Concrete of M-15 grade with 20 mm nominal size coarse aggregate in1:2:4.

(D) LAYING OF 50 MVA POWER TRANSFORMER FOUNDATION.

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.

Plain cement concrete of specified grade and strength conforming to IS: 456 placed as sub-base under structural concrete or as shown in approved construction drawings at all levels including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering etc complete for handling, transportation, batching, mixing, placing, vibrating, compacting, leveling, curing etc. as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-10 grade h with 40 mm nominal size coarse aggregate in 1:3:6

Concrete of M-15 grade with 20 mm nominal size coarse aggregate in1:2:4.

Structural cement concrete ( plain/ reinforced) of specified 28 days strength (nominal size of coarse aggregate 20 mm) at all levels, including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering, curing, etc complete for handling, transportation, batching, mixing, placing, vibrating, and rendering, cleaning and finishing the exposed over ground surfaces with cement mortar 1:3 (1 cement : 3 sand) to give smooth and even surface, stub setting, fixing of foundation bolts ( as applicable) but excluding the cost of reinforcement complete as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-25 grade having cube strength of with 20 mm nominal size coarse aggregate in 1:1:2

Brick work with common burnt clay F.P.S. Bricks of class designation 75 in foundation and plinth in cement mortar 1:6.

Cement Plaster 15 mm in 1:4 Mix,

High yield strength cold deformed steel reinforcement bars conforming to IS: 1786 for R.C.C. or any other work including the cost of all materials, binding wire, labour, hire charges of equipments and T&P, bending, binding, placing and tieing in position, POL etc. complete as per specification, construction drawings and direction of Engineer-in-charges.

Supply and installation of broad gauge rails MS Rail 90 LB including fixing on RCC pedestal for transformer foundation as per drawings/design approved.(Refer Eectrical Schedule for 90lbs rail for transformer)

(E) Construction of L Type Rail Track for 50MVA Transformer (10mtr)

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.

Plain cement concrete of specified grade and strength conforming to IS: 456 placed as sub-base under structural concrete or as shown in approved construction drawings at all levels including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering etc complete for handling, transportation, batching, mixing, placing, vibrating, compacting, leveling, curing etc. as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-10 grade h with 40 mm nominal size coarse aggregate in 1:3:6

Structural cement concrete ( plain/ reinforced) of specified 28 days strength (nominal size of coarse aggregate 20 mm) at all levels, including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering, curing, etc complete for handling, transportation, batching, mixing, placing, vibrating, and rendering, cleaning and finishing the exposed over ground surfaces with cement mortar to give smooth and even surface, stub setting, fixing of foundation bolts ( as applicable) but excluding the cost of reinforcement complete as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-25 grade with 20 mm nominal size coarse aggregate in1:1:2.

High yield strength cold deformed steel reinforcement bars conforming to IS: 1786 for R.C.C. or any other work including the cost of all materials, binding wire, labour, hire charges of equipments and T&P, bending, binding, placing and tieing in position, POL etc. complete as per specification, construction drawings and direction of Engineer-in-charges.

Supply and installation of broad gauge rails MS Rail 90 LB including fixing on RCC pedestal for transformer foundation as per drawings/design approved.

(E) Construction of Road by way of Laying of Premixed, Macadam and Semidense Bituminous carpet

Supplyiing and stacking of graded stone aggregate at site of size range (exculding carriages)

90 mm to 45 mm area with 200mm thick.

63 mm to 45 mm with 100mm thick

53 mm to 22.4 mm Qty. with 0.075mm thick.

Laying water bound macadam with specified stone aggregate stone screening and binding material including screening,sorting,spreading to template and consoldation with power road roller of 8 to 10 tonne capacity etc. complete(payment for stone aggregate, screninings,kankar,moorum and red bajri etc. to be made seperately):

Subbase with stone aggregate 90 mm to 45 mm (refer page 383,17.4.1)

Subbase with stone aggregate 63 mm to 45 mm (refer page 383,17.4.1)

Subbase with stone aggregate 53 mm to 22.4 mm (refer page 383,17.4.1)

Supplying and stacking of stone screenings/chippings at site excluding carriages 11.2 mm nominal size (Type B) @ 12.50%

Providing and laying premix bituminous macadam base- course with stone aggregate of quality, size and grading as specified in CPWD specifications and straight run bitumen of grade 80/100 @ 4% by weight of total mix including hot mixing of stone aggregate and bitumen in hot mix plant, transporting mixed "material and laying mixed material with paver finisher to the required level and grade, rolling with road roller of 8 to 10 tonne capacity to achieve the required compaction and density

Providing and laying of 25mm thick compacted semidense bituminous carpet conforming to IRC/CPWD specifications with binder contents of 5% by weight of total mix (bitumen content not less than 2.93 kgs/sqm) including providing and laying of premixed seal coat IRC Type-B with 0.768 kgs bitumen, sqm including rolling with vibratory roller complete item including all costs and carriage of material involved T.P & E,labour, octroi charges, taxes, fees, testing during execution for quality control all leads and lifts.

Carriage of material by Mechanical transport from source to site of work av.40 Kms.

Qty vide item 59 & 60

Qty vide item 61 & 62

(F) Side walling, earth filling and fencing of extended 132kv &33Kv Bays

Earth work in excavation of 132KV Yard , 33KV yard and 132 KV transformer bay whereever required and disposal of surplus excavated earth and unhygienic material outside yard.

Providing and laying of 100mm stone soling hand packed Including cost of all materials, labour, hire charges of equipments and T&P, POL, etc complete for handling, transportation, batching, placing.

Concrete of M-15 grade with 20 mm nominal size coarse aggregate in1:2:4.

Supply and earthfilling in yard including watering, rolling,

Fencing of yard, Steel work including cutting, bending welding,fixing, painting etc complete in all respects for yard fencing in GI mesh of appropriate dimensions,

Provision of control desk in control room cabin with SCADA enabled PC system and other allied works, including all furniture, civil, almonium works complete in all respects.

Supply, Design, Engineering, Inspection, erection, testing and Commissioning of Below given Equipment/ Machinery/items includive of all Taxes, duties, Insurance, packing, Forwarding in all respects.

PART A (SUPPLY OF BELOW GIVEN MATERIAL)

Fabrication, galvanisation, supply including packing and forwarding, transportation charges of 132 kV & 33 kV structures (each type)

Galvanised Nuts & Bolts of sizes

Main Equipments

Circuit breakers

3 pole, 145 kV,1250 Amp of 3-Phase, 50c/s, 31.5 kA for 1 second, SF6 Circuit Breaker out door type with offered operating mechanism, all accessories,clamps, auxiliaries and marshalling boxes / kiosks etc. complete in all respects as specified in the technical specification

3 pole, 36kV,1250Amp, 50c/s, 25kA, Vaccum Circuit Breakers out door type with offered operating mechanism, all accessories,clamps, auxiliaries and marshalling boxes / kiosks etc. complete in all respects as specified in the technical specification.

Isolators

145 kV, 50 c/s, 2500 Amps, 31.5 kA for one second, AC Motor Operated horizontal double break, outdoor type 3 pole isolators with all accessories,clamps, auxiliaries, marshalling boxes, other essentials, complete in all respects as specified in the technical specification without earthing blades.

36 kV, 50 c/s, 2500 Amps,25kA for 3 Sec, horizontal double break, outdoor type manual operated 3 pole isolators with all accessories, auxiliaries,clamps, marshalling boxes, other essentials, complete in all respects as specified in the technical specification without earthing blades.

36 kV, 50 c/s, 2500 Amps,25kA for 3 Sec, horizontal double break, outdoor type manual operated 3 pole isolators with all accessories, auxiliaries,clamps, marshalling boxes, other essentials, complete in all respects as specified in the technical specification with one earthing blade.

Current Transformers

Single phase, 50 c/s, 145kV 5-core Current Transformers (800-400-200/1-1-1-1-1A 31.5A for 1 sec rated dynamic current 100kA(peak), class A insulation, Burden 20 VA including first fill of transformer oil plus 10% etc and all accessories , auxiliaries etc complete in all respects.

Single phase, 50 c/s 36 kV Current Transformers (1200-800-400/1-1-1 A , 25kA for 1 sec, rated dynamic current 25kA(peak), class A insulation, Burden 20 VA inlcluding first fill of transformer oil plus 10% etc and all accessories , auxiliaries etc complete in all respects.

Neutral Current Transformer with current rating 1A/5A and VA Burden 15 VA

Post Insulators

132KV Post Insulator solid core type, power frequency withstand voltage 275KVP dry lightining impulse with stand voltage ± 650(KVP)

33 KV post insulators solid core type, power frequency withstand voltage 95KVP dry lightning impulse withstand voltage ± 170(KVP)

Surge Arrestor

Single phase, 50 c/s, outdoor, metal oxide gapless type arresters including surge counters / monitors, insulating base and all associated accessories, clamps, auxiliaries, complete in all respects as specified in the technical specification 120 KV(RMS)

Single phase, 50 c/s, outdoor, metal oxide gapless type arresters including surge counters / monitors, insulating base and all associated accessories, clamps, auxiliaries, complete in all respects as specified in the technical specification 30 KV(RMS)

Control and Relay panel

Control & Relay panel for 132 kV Transformer bay completely wired including substation automation supporting IEDs/numerical relays including differential relys, Directional 3 O/C 1 E/F protection and numerical communicable REF protection relay.(As per site requirement and having 110V DC voltage )

Control & Relay panel for 33 kV Transformer bay completely wired including substation automation supporting IEDs/numerical relays.(As per site requirement and having 110V DC voltage )

Battery Bank.

Battery Bank 110 V,300 AH , of 55 No. cells of 2 V each, sealed maintenance free VRLA type,High impact Polyprophelene copolymer container,flame retardant.

1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable for DC supply complete as per specification.

2 core, 2.5 sq mm

5 core, 2.5 sq mm

7 core, 2.5 sq mm

8 core, 2.5 sq mm

10 core, 2.5 sq mm

14 core, 2.5 sq mm

16 core, 2.5 sq mm

19 core, 2.5 sq mm

2 core, 6.00 sq mm

4 core, 6.00 sq mm

4 core, 16.00 sq mm

1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded aluminium conductor power cable for AC supply .3.5 core, 25 sq mm

Cable Glands, ferrules & Lugs for all above cables etc.

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.

CONDUCTOR AND HARDWARE 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)

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

Earth Wire 7/3.15mm

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

PART B (ERECTION, TESTING AND COMMISIONING)

132 kV & 33 kV structures (each type)

Galvanised Nuts & Bolts of sizes

Main Equipments

Circuit breakers

3 pole, 145 kV,1250 Amp of 3-Phase, 50c/s, 31.5 kA for 1 second, SF6 Circuit Breaker out door type with offered operating mechanism, all accessories,clamps, auxiliaries and marshalling boxes / kiosks etc. complete in all respects as specified in the technical specification

3 pole, 36kV,1250Amp, 50c/s, 25kA, Vaccum Circuit Breakers out door type with offered operating mechanism, all accessories,clamps, auxiliaries and marshalling boxes / kiosks etc. complete in all respects as specified in the technical specification.

Isolators

145 kV, 50 c/s, 2500 Amps, 31.5 kA for one second, AC Motor Operated horizontal double break, outdoor type 3 pole isolators with all accessories,clamps, auxiliaries, marshalling boxes, other essentials, complete in all respects as specified in the technical specification without earthing blades.

36 kV, 50 c/s, 2500 Amps,25kA for 3 Sec, horizontal double break, outdoor type manual operated 3 pole isolators with all accessories, auxiliaries,clamps, marshalling boxes, other essentials, complete in all respects as specified in the technical specification without earthing blades.

36 kV, 50 c/s, 2500 Amps,25kA for 3 Sec, horizontal double break, outdoor type manual operated 3 pole isolators with all accessories, auxiliaries,clamps, marshalling boxes, other essentials, complete in all respects as specified in the technical specification with one earthing blade.

Current Transformers

Single phase, 50 c/s, 145kV 5-core Current Transformers (800-400-200/1-1-1-1-1A 31.5A for 1 sec rated dynamic current 100kA(peak), class A insulation, Burden 20 VA including first fill of transformer oil plus 10% etc and all accessories , auxiliaries etc complete in all respects.

Single phase, 50 c/s 36 kV Current Transformers (1200-800-400/1-1-1 A , 25kA for 1 sec, rated dynamic current 25kA(peak), class A insulation, Burden 20 VA inlcluding first fill of transformer oil plus 10% etc and all accessories , auxiliaries etc complete in all respects.

Neutral Current Transformer with current rating 1A/5A and VA Burden 15 VA

Post Insulators

132KV Post Insulator solid core type, power frequency withstand voltage 275KVP dry lightining impulse with stand voltage ± 650(KVP)

33 KV post insulators solid core type, power frequency withstand voltage 95KVP dry lightning impulse withstand voltage ± 170(KVP)

Surge Arrestor

Single phase, 50 c/s, outdoor, metal oxide gapless type arresters including surge counters / monitors, insulating base and all associated accessories, clamps, auxiliaries, complete in all respects as specified in the technical specification 120 KV(RMS)

Single phase, 50 c/s, outdoor, metal oxide gapless type arresters including surge counters / monitors, insulating base and all associated accessories, clamps, auxiliaries, complete in all respects as specified in the technical specification 30 KV(RMS)

Control and Relay panel

Control & Relay panel for 132 kV Transformer bay completely wired including substation automation supporting IEDs/numerical relays including differential relys, Directional 3 O/C 1 E/F protection and numerical communicable REF protection relay.(As per site requirement and having 110V DC voltage )

Control & Relay panel for 33 kV Transformer bay completely wired including substation automation supporting IEDs/numerical relays.(As per site requirement and having 110V DC voltage )

Battery Bank.

Battery Bank 110 V,300 AH , of 55 No. cells of 2 V each, sealed maintenance free VRLA type,High impact Polyprophelene copolymer container,flame retardant.

1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable for DC supply complete as per specification.

2 core, 2.5 sq mm

5 core, 2.5 sq mm

7 core, 2.5 sq mm

8 core, 2.5 sq mm

10 core, 2.5 sq mm

14 core, 2.5 sq mm

16 core, 2.5 sq mm

19 core, 2.5 sq mm

2 core, 6.00 sq mm

4 core, 6.00 sq mm

4 core, 16.00 sq mm

1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded aluminium conductor power cable for AC supply .3.5 core, 25 sq mm

Cable Glands, ferrules & Lugs for all above cables etc.

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.

CONDUCTOR AND HARDWARE 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)

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

Earth Wire 7/3.15mm

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

JK Electric Engineers Pvt. Ltd.

Ali Mohammad Baba and Sons

VLAST E SERVICE