AUGUMENTATION OF GRID STATION LISSER BY WAY OF SITC OF 50 MVA, THREE PHASE 132/33 KV POWER TRANSFORMER INCLUDING CONSTRUCTION AND COMMISSIONIG OF 01 NO 132 KV TRANSFORMER BAY AND 33 KV TRANSFORMER BAY AT GRID STATION LISSER KOKERNAG

Amount

(A)Design, manufacture, supply, packing & forwarding, transportation, delivery at site of equipments and materials.

Structures

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

Galvanised Nuts & Bolts of sizes

Power Transformer

50 MVA, 132/33 kV Three Phase Power Transformers with NCT, OLTC, SCADA Compatible RTCC, NIFPES , HV and LV connectors and other required accessories and fittings with inbuilt NCTs.

Main Equiupments

Circuit Breakers

3 pole, SF6 gas filled, out door Circuit Breaker , including all accessories, auxiliaries and marshalling boxes/Kiosks, (145KV, 1250 Amps of 3 phase, 50 c/s and 31.5KA for 1 second).

3 pole,VCB, out door Circuit Breaker , including all accessories, auxiliaries and marshalling boxes/Kiosks, (36KV, 1250 Amps of 3 phase, 50 c/s and 25KA for 1 second)

Isolators

145kV, 50c/s , 2000 Amp, 31.5kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators without Earthing Blades

36kV, 50c/s , 2500 Amp, 25kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators without Earthing Blades

36kV, 50c/s , 2500 Amp, 25kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with One Earthing Blades

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

Single Phase 36KV 50 c/s, outdoor metal oxide gapless type, 120KV (rms) Surge Arrestor including Surge counters/monitors, insulating base all associated accessories, auxiliaries

Control and Relay Panels

132KV Control and Relay Panel for Transformer bay completely wired including Substation automation supporting IEDs/numerical relays including Differential relay, Directional 3 O/C 1 E/F protection and numerical communicable REF protection relay.

33KV Control and Relay Panel for Transformer Bay completely wired including Substation automation supporting IEDs/numerical relays

Current Transformers

Single phase, 50 c/s 145KV Current Transformers (900-600-300/1-1-1-1-1 A or as per site specifications), 31.5KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA

Single phase, 50 c/s 36KV Current Transformers (1200-600-300 /1-1-1 A or as per site specifications) , 25KA for one second, rated dynamic current 25KA(peak), Class A insulation, Burden 20 VA

Post Insulators

132KV Post Insulators Solid Core Type, Power Frequency Withstand Voltage 275KVP Dry lightning impulse withstand voltage ± 650 (KVP)

33KV Post Insulators Solid Core Type, Power Frequency Withstand Voltage 95KVP Dry lightning impulse withstand voltage ± 170 (KVP)

Power and Control cables including termination of the cables

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

3.5 core, 25 sq mm

16 core, 2.5 sq mm

19 core, 2.5 sq mm

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

2 Core, 6 sq mm

4 Core, 6 sq mm

4 Core,16 sq mm

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 for 132 kV. 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.

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 for 33KV. 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.

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

ANCILLARY ITEMS

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 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 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 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.

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

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

PI clamps suitable for twin 500mm sq ACSR shall comply in all respects with IS:5561-1970 (latest edition)

PG clamps suitable for single 500mm sq ACSR

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.

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

CABLE TRAYS/CABLE RACKS/ACCESSORIES

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.

Lugs, Ferrules, Welding Material, Cotton Waste etc

Shielding System

Lightening mast/shield wire/ ground wire and accessories

Mandatory spares

Set of spares for 132/33Kv power transformer, circuit breakers, panels, ancilliary items etc. as per schedule of spares given in SBD.

(B) HANDLING, STORAGE, PRESERVATION, ERECTION (EXCEPT CIVIL WORKS), DEHYDRATION, TESTING & COMMISSIONING OF EQUIPMENTs AND MATERIAL

Structures

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

Galvanised Nuts & Bolts of sizes

Power Transformer

50 MVA, 132/33 kV Three Phase Power Transformers with NCT, OLTC, SCADA Compatible RTCC, NIFPES , HV and LV connectors and other required accessories and fittings with inbuilt NCTs.

Main Equiupments

Circuit Breakers

3 pole, SF6 gas filled, out door Circuit Breaker , including all accessories, auxiliaries and marshalling boxes/Kiosks, (145KV, 1250 Amps of 3 phase, 50 c/s and 31.5KA for 1 second).

3 pole,VCB, out door Circuit Breaker , including all accessories, auxiliaries and marshalling boxes/Kiosks, (36KV, 1250 Amps of 3 phase, 50 c/s and 25KA for 1 second).

Isolators

145kV, 50c/s , 2000 Amp, 31.5kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators without Earthing Blades

36kV, 50c/s , 2500 Amp, 25kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators without Earthing Blades

36kV, 50c/s , 2500 Amp, 25kA for one second, Ac motor operated horizontal double break, outdoor type 3 pole Isolators with One Earthing Blades

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

Single Phase 36KV 50 c/s, outdoor metal oxide gapless type, 120KV (rms) Surge Arrestor including Surge counters/monitors, insulating base all associated accessories, auxiliaries

Control and Relay Panels

132KV Control and Relay Panel for Transformer bay completely wired including Substation automation supporting IEDs/numerical relays including Differential relay, Directional 3 O/C 1 E/F protection and numerical communicable REF protection relay.

33KV Control and Relay Panel for Transformer Bay completely wired including Substation automation supporting IEDs/numerical relays

Current Transformers

Single phase, 50 c/s 145KV Current Transformers (900-600-300/1-1-1-1-1 A or as per site specifications), 31.5KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA

Single phase, 50 c/s 36KV Current Transformers (1200-600-300 /1-1-1 A or as per site specifications) , 25KA for one second, rated dynamic current 25KA(peak), Class A insulation, Burden 20 VA

Post Insulators

132KV Post Insulators Solid Core Type, Power Frequency Withstand Voltage 275KVP Dry lightning impulse withstand voltage ± 650 (KVP)

33KV Post Insulators Solid Core Type, Power Frequency Withstand Voltage 95KVP Dry lightning impulse withstand voltage ± 170 (KVP)

Power and Control cables including termination of the cables

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

3.5 core, 25 sq mm

16 core, 2.5 sq mm

19 core, 2.5 sq mm

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

2 Core, 6 sq mm

4 Core, 6 sq mm

4 Core,16 sq mm

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 for 132 kV . 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.

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 for 33KV. 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.

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

ANCILLARY ITEMS

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 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 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 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.

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

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

PI clamps suitable for twin 500mm sq ACSR shall comply in all respects with IS:5561-1970 (latest edition)

PG clamps suitable for single 500mm sq ACSR

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.

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

CABLE TRAYS/CABLE RACKS/ACCESSORIES

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.

Lugs, Ferrules, Welding Material, Cotton Waste etc

Shielding system

Lightening mast/shield wire/ ground wire and accessories

(D) Civil Works including design, supply, excution and prepration of drawings

Foundations for gantry and foundation structures

Earth work in excavation by mechanical means (Hydraulic excavator) over areas ( exceedind 30 cm in depth 1.5 mtr in width as well as 10 sq.m on plan ) including disposal of excavated earth, lead upto 50 m. & , lift upto 1.50 m disposad earth to be levelled and neatly dressed. a) All kinds of soil

Providing and laying ofcompacted rubble soling

Providing and laying of lean pad 1:4:8 with 40mm crushed stone aggregate

Stub setting for columns foundations including template setting excluding cost of material

Fixing of foundation bolts including alignment

Providing of angle iron (200x200x16) for stubs with cleats (Complete set)

Filling available excavated earth(excluding rock) in trenchs,plinth,sides of foundation etc. layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering lead upto 15 mtr and ift upto 1.5 mtr.

Reinforcement for R.C.C. work including providing, straightning, cutting,bending, placing in position and binding all complete bars (TMT)

Providing & laying in position R.C.C (excluding the cost of centring and shuttering and reinforcement in 1:2:4(1 cement:2 coarse sand:4 graded stone aggregate 20 mm nominal size))

Centring and shuttering including strutting, proping etc and removal of the same. (for foundations and chimneys) - Form Work.

Mechanical carriage of materials from different sources upto dumpying site on an average lead of 20 kms:-

(a) Stubs, templates, reinforcement.

(b) Foundation bolts

(c) Sand

(d) Bajri (40mm/20 mm)

(e) Cement

Mannual Carriage of materials from dumpying site upto actual site of work (average lead 100 mtr.) :-

(a) Stubs, templates, reinforcement.

(b) Foundation bolts

(C) Sand

(d) Bajri (40 mm/20 mm)

(e) Cement

Clearance of site foundation by removal of grass vegetation and demarcation and alignment,pit marking of complete coulomn foundation.

Mech carriage ofdisposable earth av lead 20 km

Manual carriage of disposable soil upto loading site av distance 100 mt

Construction of oil sump

Earthwork in excavation by manual means in trenchs for foundations , drains , pipes , cables etc ( exceeding 1.5 m in width ) and for shafts , wells ,cesspits and the like not exceeding 10 sqm on plan , depth upto 1m from cutting edge ,disposed earth to be levelled and neatly dressed in . All kinds of soil Total Qtty =2.8*2.8*1.55=12.15 Cum

Providing and laying of Soling stone Total Qtty =2.8*2.8*0.15=1.18 Cum

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

Reinforced cement concrete work in walls( any thickness), including attached piliasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts, etc upto floor five level excluding cost of centring, shuttering, finishing and reinforcement. 1:1.5:3 (1 cement:1.5 coarse sand:3 graded stone aggregate 20mm nominal size). Crushed.

Centring and shuttering including strutting, propping, etc and removal of form for: walls( any thickness) including attached pilliasters, butresses, plinth and string courses

Reinforcement for RCC works including straightening, cutting , bending, placing in position and binding all complete. Thermo-mechanically treated bars

Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compound consisting of applying : (a) after surface preparation, first layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound@ 0.253 kg/sqm. -,. (b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 em. (c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg./sqm. and coarse sand @1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30cm on parapet wall and tucked into groove in parapet all around. (d)fourth and final layer of brick tiling with cement mortar (which will be paid for separately) For the purpose of measurement the entire treated surface will be measured. Qtty=(4*2*1.20+2*2)=13.60 Sqm

Carraige of materials from source of supply to site of work

Sand with a lead of avg 30 km

Crusher Aggregate with a lead of avg 10 km

Soling Stone with a lead of avg 30 km

Laying of transformer foundation

Earth work excavation including disposal of excavated earth upto 50mtr (In all kinds of soil)

Providing and laying of PCC (M - 10)

Providing and laying of PCC (M - 15)

Providing and laying of RCC (M -20)

Shuttering and centering including strutting, croping etc.

Reinforcement for RCC Work including straghting, cutting, bedding, placing in position (TMt)

Providing and laying of SCI pipe 100 mm dia

Rail assembly

Brick Masonry with common burrent clay FPS in cement mortoar 1:6

Cement Plaster 15 mm in 1:4 mix

Carriage of material 20km av lead by Mech Transport

Bajri 20mm

Bricks

Steel

Cement

Carriage of material by manual lab. Av 100 mtr

Bajri 20mm

Bricks

Steel

Cement

Construction of Earth mat

Earth work Excavation

Manual Carriage of disposable Earth beyond 100 Mts

Mechanical Transport of Disposable Earth 3 Km. Lead

Laying of M.S.flat

Surface cleaning, jointing by welding etc

Driving of Spikes

Providing of Steel flat 65x8 100 RM & Round iron for Spikes

Construction of fire protection wall

Site clearance

Earthwork in excavation by manual means in trenchs for foundations , drains , pipes , cables etc ( exceeding 1.5 m in width as well as 10 sqm on plan)including disposal of excavated eart upto 1m from cutting edge ,disposed earth to be levelled and neatly dressed in . All kinds of soil

P/L of dry stone

Providing & Laying of Cement Concrete (1:3:6) with 40mm down grade crushed stone aggregate.

Centring and shuttering including strutting, propping, etc and removal of form for: walls( any thickness) including attached pilliasters, butresses, plinth and string courses

Reinforcement for RCC works including straightening, cutting , bending, placing in position and binding all complete. Thermo-mechanically treated bars

Providing & laying in position cement concrete in( 1:1.5:3 (1 cement: 1.5 coarse sand:3 graded stone aggregate 20mm nominal incl. curing complete

Providing & laying in position cement concrete in( 1:1.5:3 (1 cement: 1.5 coarse sand:3 graded stone aggregate 20mm nominal incl. curing complete

Brick work with common burnt clay F.P.S (non-modular) bricks of class designation 75 in foundation and plinth in cement mortar 1:6 ( 1 cement : 6 coarse sand)

Extra for brick work in superstructure above plinth level

15 mm thick plaster with cement mortar 1:4 ( 1 cement : 4 fine sand) on rough side of the wall.

Carraige of materials from source of supply to site of work

Sand with a lead of avg 30 km

Crusher Aggregate with a lead of avg 10 km

Bricks with a lead of avg 10 km

Soling Stone with a lead of avg 30 km

Construction of Rail Track

Excavation in earth work (all sorts)

Close Timbering

Providing and laying of Lean Pad 1: 5 : 10 with 40 mm bajri

Providing and laying of R C Concreting M-15 1: 2:4

Providing, cutting, bending and fixing of Steel work

Form work For steel shuttering

Carriage by Mech. Transport Av. Lead 20 KM

Bajri 20 mm

Bajri 40 mm

Manual carriage Av Distance 100 Mts.

Bajri 20 mm

Bajri 40 mm

Carriage of Cement (Manual+mechanical)

Disposable earth (Manual+mechanical)

Carriage of Steel (Manual+mechanical)

Back filling of earth

MS Rail

MS Angle

Fixing of rails including measuring, cutting, levelling, Fixing/welding of U Lugs (Complete job)

Construction of Cable Trenches

Earthwork in excavation by manual means in trenchs for foundations , drains , pipes , cables etc ( exceeding 1.5 m in width ) and for shafts , wells ,cesspits and the like not exceeding 10 sqm on plan , depth upto 1m from cutting edge ,disposed earth to be levelled and neatly dressed in . All kinds of soil

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

Providing & Laying of reinforced cement concrete in M-15 grade incl. curing complete but excl. centring & shuttering (Bed and walls)

Reinforcement for RCC works including straightening, cutting , bending, placing in position and binding all complete. Thermo-mechanically treated bars (12 mm bars)

Centering and shuttering including strutting, propping etc. and removal of form work for: Foundations, footings, bases for columns

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Carriage of materials by mechanical transport

Sand with a lead of avg 30km

Crusher Aggregate with a lead of avg 10 km

Cement

Concreting of 132/33 kV Transformer Bay, 132 kV bay and 33 kV Transformer bay including laying of Gravel

Surface dressing of ground, removal of inequalities, de-vgetation, excavation of earth

Supply and laying of stone soling 100 mm thick

Providing and laying of cement concrete 1:3:6 mix 100 mm thick

Providing and spreading of 40 mm size metal on the concreted portion

Mechanical carriage of material (Avg Distance 20 km)

Stone Aggregate

Cement

Manual Carriage of material upto a lead of 100 m

Stone Aggregate

Cement

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