CONSTRUCTION OF 220KV TRANSMISSION LINES AND 220KV BAYS INCLUDING SURVEY, SUPPLY OF ALL EQUIPMENTS/ MATERIALS, ERECTION (INCLUDING CIVIL WORKS), TESTING AND COMMISSIONING (TURNKEY PROJECT) AGAINST SPECIFICATION NO. RVPN/EHV/BN-9019002427

Amount

Tower: Fabrication, galvanising and supply of various types of towers (including special towers), & its body / leg (equal & unequal) extensions (complete) including stubs and hangers, D-shackles, Bird Guard, U-Bolt, Pack washer, Anticlimbing devices etc.

High Tensile Steel

Mild Steel

Supply of Bolts & Nuts for towers and stubs (including step bolts & nuts and anti theft bolts & nuts, Spring Washers Etc. )

Supply of Earthing material of Towers

Pipe Type Set

Supply of following Tower Accessories

Danger Plate

Number Plate

Phase Plate (Set of three)

Design, manufacture and supply of following line material. **

70 kN Disc Insulators

120 kN Disc Insulators

Hardware Fittings for ACSR Zebra Conductor

Single Suspension H/W fittings for ACSR Zebra Conductor

Single Tension H/W fittings for ACSR Zebra Conductor

Double Suspension H/W fittings for ACSR Zebra Conductor

Double Tension H/W fittings for ACSR Zebra Conductor

Single Suspension Hardware (Bolted)

Accessories for ACSR Zebra Conductor

Mid Span Compression Joint for ACSR Zebra Conductor

Repair Sleeve for ACSR Zebra Conductor

Preformed Armour Rod for ACSR Zebra Conductor

Vibration Damper for ACSR Zebra Conductor

G.I Earth wire 7/3.15mm

EARTHWIRE ACCESSORIES FOR 7/3.15MM

Strain Assembly for Earth Wire 7/3.15mm WITH COPPER Earth Bond

Suspension Assembly for Earth Wire 7/3.15mm

Vibration damper for Earth Wire 7/3.15mm

Mid span compression joint for Earth Wire 7/3.15mm

Repair sleeve for Earth Wire 7/3.15mm

Any Other item required for successful completion of work

Description of Work / Item(s)

Amount

Detail Survey as per tentative route- Which includes the following major activities-Pegging of line route, providing of survey pillar at an interval of 3-4 KM in the line route with required jungle clearance for survey, profile preparation of approved route on graph sheet and marking of offset on either side of line, marking of side clearance for hills, sand dunes etc, as per specification and tower scheduling.

Check survey as per approved route of line which includes- Re-checking of the line route as per approved profile, chainage, tower center marking, pit marking, bisection of angle tower as required at site.

Excavation-Excavation, excluding back filling, including shoring,shuttering, dewatering, etc. upto the required depth as per foundation specification/drawings.

(i) Any soil, soft rock other than hard rock

(ii) Hard Rock (with blasting subject to permission or without blasting)

SETTING OF TEMPLATE & STUB/ANCHOR BOLT:- Setting of template & stub/ anchor bolt & removal after concreting, excluding cost of excavation and concreting but including back filling with excavated/ borrowed earth (with lead & lift) in layers with ramming andwatering as per specification.

(i) Tower including extension upto 9 Meter

(ii) Special Tower for any span including extension

(iii) Anchoring of steel in the hard rock foundation and for excavating holes up to 0.5 cum on lift up to 1.5 M

CONCRETING: Providing and laying cement concrete for all types of foundation as per latest ISS:456 including cement, sand, stone aggregate 20mm nominal size,water etc., preparing surfaces, shuttering, mixing, placing, ramming, curing, finishing as per specification and drawings.

(i) 1:3:6 Mix (M-10)

(ii) 1:2:4 Mix

(iii) 1:1.5:3 Mix (M-20)

STEEL REINFORCEMENT: Cutting, bending, welding of joints if required,fixing and placing of steel reinforcement as per specification and drawings including material.

EARTHING:

(A) Earthing of towers with pipe type earthing excluding the supply of pipes, wires, flats &connectors, but including coke/charcoal, etc.,excavation,augering and backfilling in all types of soil.

ERECTION OF TOWERS: Erection of super structures including D-shackles,ACD, Hangers, U-Bolts, step bolts, danger plate, phase plate, number plate etc. Also including tack welding of bolts & nuts upto bottom cross arm/beam level including application of Zinc Rich paint

Erection of tower (with extension upto 9 Meters)

Erection of Special Tower (with extension)

CONDUCTOR STRINGING: Stringing of ACSR Zebra including hoisting of insulator string, laying, jointing & tensioning of conductor, clamping with Armour rods and fixing of vibration damper per route KM of the line.

(i) Single Conductor

Earthwire Stringing:

Stringing of galvanised steel stranded wire including laying, jointing & tensioning, clamping, clipping and fixing vibration damper and earth bond etc.

(i) One No. 7/3.15 mm galvanised wire

Revitment work

(A) Providing & laying cement concrete including curing compaction etc. complete using stone aggregate 40 mm nominal size (Crusher broken) in foundation plinth using 1 cement : 5 sand : 10 Aggregate mix

(B) Random rubble stone massonary for rivetment in 1:5 cement sand mortat including providing and fixing 100 mm dia PCC drain pipe and raised and cut pointing on stone masonary in 1:3 cement sand mortar excluding excavation but including Back filling inside rivetment using excavated/ borrowed earth (with all lead & lift) in layers not exceeding 20cm in depth & consolidating each depositing layer by ramming and watering.

(D)Cement concrete coping grade 1:2:4 (1 Cement:2 Coarse sand:4 Graded stone aggregate) rounding off edges etc. but excluding the cost of nosing of step etc. complete for 50mm thik with 20mm thik nominal size aggregate

Any Other Item

Description of Work / Item(s)

Amount

Tower: Fabrication, galvanising and supply of various types of towers (including special towers), & its body / leg (equal & unequal) extensions (complete) including stubs and hangers, D-shackles, Bird Guard, U-Bolt, Pack washer, Anticlimbing devices etc.

High Tensile Steel

Mild Steel

Supply of Bolts & Nuts for towers and stubs (including step bolts & nuts and anti theft bolts & nuts, Spring Washers Etc. )

Supply of Earthing material of Towers

Pipe Type Set

Supply of following Tower Accessories

Danger Plate

Number Plate

Phase Plate (Set of three)

Design, manufacture and supply of following line material. **

70 kN Disc Insulators

120 kN Disc Insulators

Hardware Fittings for ACSR Zebra Conductor

Single Suspension H/W fittings for ACSR Zebra Conductor

Single Tension H/W fittings for ACSR Zebra Conductor

Double Suspension H/W fittings for ACSR Zebra Conductor

Double Tension H/W fittings for ACSR Zebra Conductor

Single Suspension Hardware (Bolted)

Accessories for ACSR Zebra Conductor

Mid Span Compression Joint for ACSR Zebra Conductor

Repair Sleeve for ACSR Zebra Conductor

Preformed Armour Rod for ACSR Zebra Conductor

Vibration Damper for ACSR Zebra Conductor

G.I Earth wire 7/3.15mm

EARTHWIRE ACCESSORIES FOR 7/3.15MM

Strain Assembly for Earth Wire 7/3.15mm WITH COPPER Earth Bond

Suspension Assembly for Earth Wire 7/3.15mm

Vibration damper for Earth Wire 7/3.15mm

Mid span compression joint for Earth Wire 7/3.15mm

Repair sleeve for Earth Wire 7/3.15mm

Any Other item required for successful completion of work

Description of Work / Item(s)

Amount

Detail Survey as per tentative route- Which includes the following major activities-Pegging of line route, providing of survey pillar at an interval of 3-4 KM in the line route with required jungle clearance for survey, profile preparation of approved route on graph sheet and marking of offset on either side of line, marking of side clearance for hills, sand dunes etc, as per specification and tower scheduling.

Check survey as per approved route of line which includes- Re-checking of the line route as per approved profile, chainage, tower center marking, pit marking, bisection of angle tower as required at site.

Excavation-Excavation, excluding back filling, including shoring,shuttering, dewatering, etc. upto the required depth as per foundation specification/drawings.

(i) Any soil, soft rock other than hard rock

(ii) Hard Rock (with blasting subject to permission or without blasting)

SETTING OF TEMPLATE & STUB/ANCHOR BOLT:- Setting of template & stub/ anchor bolt & removal after concreting, excluding cost of excavation and concreting but including back filling with excavated/ borrowed earth (with lead & lift) in layers with ramming andwatering as per specification.

(i) Tower including extension upto 9 Meter

(ii) Special Tower for any span including extension

(iii) Anchoring of steel in the hard rock foundation and for excavating holes up to 0.5 cum on lift up to 1.5 M

CONCRETING: Providing and laying cement concrete for all types of foundation as per latest ISS:456 including cement, sand, stone aggregate 20mm nominal size,water etc., preparing surfaces, shuttering, mixing, placing, ramming, curing, finishing as per specification and drawings.

(i) 1:3:6 Mix (M-10)

(ii) 1:2:4 Mix

(iii) 1:1.5:3 Mix (M-20)

STEEL REINFORCEMENT: Cutting, bending, welding of joints if required,fixing and placing of steel reinforcement as per specification and drawings including material.

EARTHING:

(A) Earthing of towers with pipe type earthing excluding the supply of pipes, wires, flats &connectors, but including coke/charcoal, etc.,excavation,augering and backfilling in all types of soil.

ERECTION OF TOWERS: Erection of super structures including D-shackles,ACD, Hangers, U-Bolts, step bolts, danger plate, phase plate, number plate etc. Also including tack welding of bolts & nuts upto bottom cross arm/beam level including application of Zinc Rich paint

Erection of tower (with extension upto 9 Meters)

Erection of Special Tower (with extension)

CONDUCTOR STRINGING: Stringing of ACSR Zebra including hoisting of insulator string, laying, jointing & tensioning of conductor, clamping with Armour rods and fixing of vibration damper per route KM of the line.

(i) Single Conductor

Earthwire Stringing:

Stringing of galvanised steel stranded wire including laying, jointing & tensioning, clamping, clipping and fixing vibration damper and earth bond etc.

(i) One No. 7/3.15 mm galvanised wire

Revitment work

(A) Providing & laying cement concrete including curing compaction etc. complete using stone aggregate 40 mm nominal size (Crusher broken) in foundation plinth using 1 cement : 5 sand : 10 Aggregate mix

(B) Random rubble stone massonary for rivetment in 1:5 cement sand mortat including providing and fixing 100 mm dia PCC drain pipe and raised and cut pointing on stone masonary in 1:3 cement sand mortar excluding excavation but including Back filling inside rivetment using excavated/ borrowed earth (with all lead & lift) in layers not exceeding 20cm in depth & consolidating each depositing layer by ramming and watering.

(D)Cement concrete coping grade 1:2:4 (1 Cement:2 Coarse sand:4 Graded stone aggregate) rounding off edges etc. but excluding the cost of nosing of step etc. complete for 50mm thik with 20mm thik nominal size aggregate

Any Other Item

Description of Work / Item(s)

Amount

MAIN MATERIAL/ ITEMS

Circuit Breakers

220 kV Circuit Breakers

220kV circuit breakers (3 Ph.) Along with support Structure

Instrument Transformers

Capacitor Voltage Transformer

Single-Phase, 220 kV, 4400 pf CVT (110/√3, 110/√3) 0.2 Class

Current Transformer (1-Phase)

C&R Panels & SAS system (Complete in all respect, refer Section-V A, B, Part-III, Volume-II)

New Substation

Control Panel for 220 kV Feeder Type: Desk Type (To be designed as identical and compatible with existing desk type control panel)

Relay Panel for 220 kV Feeder Type: ABC Type (To be designed as identical and compatible with existing ABC type relay panel)

Upgrade of Existing Busbar Protection System

Upgrade/ New Hardware & Software as required for integration to Existing RTU/SCADA and RAS System

Other Items:

Fiber optic cables, connectors, ethernet cables, jack panels connectors, patch cords etc. for completing the Substation LAN as per specification requirements.

Transducers, Sensors etc. (if not considered in the respective equipment/ items) for accumulating monitoring data as per the specification requirements for switchyards.

Surge Arresters

Lighting System

Outdoor Lighting & other Works

Lighting Fixture Type FL-1

Lighting Fixture Type FL-2

Outdoor Receptacle

Type-RP

Type-RO

Substation Premises Lighting

Sub-Lighting Boxes/Panels Type -SLP at Lighting Mast and Other Loaction as designated complete with all controgears and accessories, items etc.

Lighting Panel Type ACP-2 as per technical specification

Fire Fighting System

DCP Type

Carbon di oxide type – 6 Liters.

Foam Type- 9 Liters

1.1kV Grade PVC insulated Al. conductor FRLS power cables and copper conductor armoured FRLS control cables [Excluding the wiring required for electrical & Lighting fittings/fixtures installation in control room and other building]

Power Cables(XLPE)

3.5Cx300 sq.mm

Control Cable (PVC)

4 CX4 Sq. mm

5Cx2.5 sq.mm

7Cx2.5 sq.mm

14Cx2.5 sq.mm

19Cx2.5 sq.mm

Substation Structures

Standard Lattice Structure [Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for lattice steel structure as per specification requirements]:

Non-Standard type Pipe Support Structure [Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for Pipe Support structure as per specification requirements]

Isolators

220 kV (3-Phase) (Horizontal DOUBLE BREAK)

2000A, 50KA, isolator with one E/S

Post insulators for above Isolator

2000A, 50KA, isolator with two E/S

Post insulators for above Isolator

2000A, 50KA, isolator without E/S

Post insulators for above Isolator

2000A, 50KA, isolator without E/S (TANDEM Type)

Post insulators for above Isolator

Switchyard Erection

Busbar & Interconnections

New Substation/ Switchyard

220 kV Switchyard Works:

Main-I Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/Porcelain Long Rod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

Main-II Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/ Pocelain Long Rod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

Aux Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string(DT/SS), AF Type Disc Insulators/ Porcelain Longrod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

220 kV Overhead Jack Bus (for DMT Layout) on Twin ACSR Zebra(Bus-Coupler Bay)/ Single ACSR Zebra (Transformer/ Line on ACSR Zebra) with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/ Porcelain Longrod Insulators, clamps, connectors, spacers etc. as per Substation Layout arrangement and specification requirements [ for 1 Bay]

Single ACSR Zebra

Equipment Interconnections to Main Bus, Overhead Bus including Single ACSR Zebra (for Line), Twin ACSR Zebra (forTransformer bay & B/C Bay), bus-bar materials, clamps, connectors, spacers, corona shields, including equipment connectors, Junction box including of all accessories etc. for the following:

220 kV DMT-type layout

Line bay

Bus CVT Interconnections to Main Buses including Single ACSR Zebra, clamps, connectors, junction box including of all accessories etc.

Bus Post Insulators (BPI)

Earthing & Lightning Protection System

Main, Auxilary Earthmats, Risers etc. for complete earthing in the Switchyard Area

40 mm Dia MS Rod

40mm Dia, 3.2 M Long MS Rod Earth Electrodes Directly Driven.

MS Flat 100X12 mm

50X12 mm GS Flat

50X6 mm GS Flat

Earth Enhancing Compound for treated pits as above and other requirement as per specification

Cleat type clamps(8mm thick) for earthing down conductor (10.98 mm dia), 50x12 mm GS Flat and 50x6 mm GS flat

Cu/Al Flexible braids Grounding Conductor connection to MS/GS Flats

Earth Wire for Shielding Protection of Switchyard

7/3.15 Galvenized Steel Wire

Earthwire tension clamps with D Shackle assembly

PG calmp to suit 7/3.15 mm GS earth wire

Other Clamps, Copper Earth Bond etc. as per layout diagram for erection of Earth Wire

Bay Marshalling KIOSK

200 way (Stud Type Connectors)

AC Distribution Boxes (Outdoor Type)

Conduits, Cable Trays [Perforated and Ladder Type], Cable Tags, Cable Clamps, Cable Lugs,Cable sealing system, Gland Plates, Junction Boxes, PVC pipes, hume Pipes, Nylon type Trefoil Clamps etc.[Excluding the conduits, junction boxes etc. required for electrical & Lighting fittings/fixtures installation in control room and other building]

Other Steel Structures/ members [items such as Galvenized/ Mild Steel Channels, Angles, Plates, round, joist, Hot dip galvenized Nut-Bolts, Electro Galvenized Spring Washers etc. considered for this component of price schedule] to be designed/ provided by the bidder for the completion of project [This shall not include the steel to be used in the civil works]

LT Switchgear

LT AC Distribution Board

220V DCDB

PLCC EQUIPMENTS

220 kV Wave trap (2000A, 0.5 mH, 40 kA)

SSB single Channel Carrier Set (40 W) suitable for transmitting Data and super imposed channels along with Remote subscriber facility and emergency calling set.

A.F. Protection coupler microprocessor based suitable for Four commands.

Coupling Devices for Phase to Phase coupling having Band width programmable at site with protective Device & balancing transformer matching with line impedance of respective voltage level.

HF Armoured Coaxial cable having 75 Ohms unbalanced impendance.

GI Channel 100x50x6 mm

Add: Any other supply item, if any, bidder may require completing the substation as per specification requirements.

Description of Work / Item(s)

Amount

Service- ETC+ Civil

Circuit Breakers

220 kV Circuit Breakers

220kV circuit breakers (3 Ph.) Along with support Structure

Instrument Transformers

Capacitor Voltage Transformer

Single-Phase, 220 kV, 4400 pf CVT (110/√3, 110/√3) 0.2 Class

Current Transformer (1-Phase)

C&R Panels & SAS system (Complete in all respect, refer Section-V A, B, Part-III, Volume-II)

New Substation

Control Panel for 220 kV Feeder Type: Desk Type (To be designed as identical and compatible with existing desk type control panel)

Relay Panel for 220 kV Feeder Type: ABC Type (To be designed as identical and compatible with existing ABC type relay panel)

Upgrade of Existing Busbar Protection System

Upgrade/ New Hardware & Software as required for integration to Existing RTU/SCADA and RAS System

Other Items:

Fiber optic cables, connectors, ethernet cables, jack panels connectors, patch cords etc. for completing the Substation LAN as per specification requirements.

Transducers, Sensors etc. (if not considered in the respective equipment/ items) for accumulating monitoring data as per the specification requirements for switchyards.

Surge Arresters

Lighting System

Outdoor Lighting & other Works

Lighting Fixture Type FL-1

Lighting Fixture Type FL-2

Outdoor Receptacle

Type-RP

Type-RO

Substation Premises Lighting

Lighting poles

Sub-Lighting Boxes/Panels Type -SLP at Lighting Mast and Other Loaction as designated complete with all controgears and accessories, items etc.

Lighting Panel Type ACP-2 as per technical specification

1.1kV Grade PVC insulated Al. conductor FRLS power cables and copper conductor armoured FRLS control cables [Excluding the wiring required for electrical & Lighting fittings/fixtures installation in control room and other building]

Power Cables(XLPE)

3.5Cx300 sq.mm

Control Cable (PVC)

4 CX4 Sq. mm

5Cx2.5 sq.mm

7Cx2.5 sq.mm

14Cx2.5 sq.mm

19Cx2.5 sq.mm

Substation Structures

Standard Lattice Structure [Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for lattice steel structure as per specification requirements]:

Non-Standard type Pipe Support Structure [Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for Pipe Support structure as per specification requirements]

Isolators

220 kV (3-Phase) (Horizontal DOUBLE BREAK)

2000A, 50KA, isolator with one E/S

Post insulators for above Isolator

2000A, 50KA, isolator with two E/S

Post insulators for above Isolator

2000A, 50KA, isolator without E/S

Post insulators for above Isolator

2000A, 50KA, isolator without E/S (TANDEM Type)

Post insulators for above Isolator

Switchyard Erection

Busbar & Interconnections

New Substation/ Switchyard

220 kV Switchyard Works:

Main-I Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/Porcelain Long Rod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

Main-II Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/ Pocelain Long Rod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

Aux Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string(DT/SS), AF Type Disc Insulators/ Porcelain Longrod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

220 kV Overhead Jack Bus (for DMT Layout) on Twin ACSR Zebra(Bus-Coupler Bay)/ Single ACSR Zebra (Transformer/ Line on ACSR Zebra) with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/ Porcelain Longrod Insulators, clamps, connectors, spacers etc. as per Substation Layout arrangement and specification requirements [ for 1 Bay]

Single ACSR Zebra

Equipment Interconnections to Main Bus, Overhead Bus including Single ACSR Zebra (for Line), Twin ACSR Zebra (forTransformer bay & B/C Bay), bus-bar materials, clamps, connectors, spacers, corona shields, including equipment connectors, Junction box including of all accessories etc. for the following:

220 kV DMT-type layout

Line bay

Bus CVT Interconnections to Main Buses including Single ACSR Zebra, clamps, connectors, junction box including of all accessories etc.

Bus Post Insulators (BPI)

Earthing & Lightning Protection System

Main, Auxilary Earthmats, Risers etc. for complete earthing in the Switchyard Area

40 mm Dia MS Rod

40mm Dia, 3.2 M Long MS Rod Earth Electrodes Directly Driven.

MS Flat 100x12 mm

50X12 mm GS Flat

50X6 mm GS Flat

Earth Enhancing Compound for treated pits as above and other requirement as per specification

Cleat type clamps(8mm thick) for earthing down conductor (10.98 mm dia), 50x12 mm GS Flat and 50x6 mm GS flat

Cu/Al Flexible braids Grounding Conductor connection to MS/GS Flats

Earth Wire for Shielding Protection of Switchyard

7/3.15 Galvenized Steel Wire

Earthwire tension clamps with D Shackle assembly

PG calmp to suit 7/3.15 mm GS earth wire

Other Clamps, Copper Earth Bond etc. as per layout diagram for erection of Earth Wire

Bay Marshalling KIOSK

200 way (Stud Type Connectors)

AC Distribution Boxes (Outdoor Type)

Conduits, Cable Trays [Perforated and Ladder Type], Cable Tags, Cable Clamps, Cable Lugs,Cable sealing system, Gland Plates, Junction Boxes, PVC pipes, hume Pipes, Nylon type Trefoil Clamps etc.[Excluding the conduits, junction boxes etc. required for electrical & Lighting fittings/fixtures installation in control room and other building]

Other Steel Structures/ members [items such as Galvenized/ Mild Steel Channels, Angles, Plates, round, joist, Hot dip galvenized Nut-Bolts, Electro Galvenized Spring Washers etc. considered for this component of price schedule] to be designed/ provided by the bidder for the completion of project [This shall not include the steel to be used in the civil works]

LT Switchgear

LT AC Distribution Board

220V DCDB

PLCC EQUIPMENTS

220 kV Wave trap (2000A, 0.5 mH, 40 kA)

SSB single Channel Carrier Set (40 W) suitable for transmitting Data and super imposed channels along with Remote subscriber facility and emergency calling set.

A.F. Protection coupler microprocessor based suitable for Four commands.

Coupling Devices for Phase to Phase coupling having Band width programmable at site with protective Device & balancing transformer matching with line impedance of respective voltage level.

HF Armoured Coaxial cable having 75 Ohms unbalanced impendance.

CIVIL WORKS

TOWER/ EQUIPMENT FOUNDATIONS :

Supply of all labour, material for construction of RCC footings and pedestals of any section/size including the cost of excavation in all types of soil/rock, back filling with available approved earth or borrowed/new earth, disposal of surplus earth/rock to the places directed, concrete (RCC M20 Grade and Lean concrete 1:4:8), reinforcement steel,form work ,grouting , underpinning, foundation strengthening in expansive / B.C soil ,dewatering if required, curing, sundries including mechanism, MK, UPVC pipe etc required for proper operation of equipments and transformer and other items not mentioned herein but required for the completion of the work for the following station towers and equipments support structures including finishing with12 mm thick plaster in CM 1:4 and applying two coats of white/somke grey weather proof painting coat on all exposed surface (top and sides) of foundations as per technical specification, approved drawings and directions of the Engineer- in-charge of work. Note: Top level of foundation shall be decided by the owner. Work shall be got executed as per approved drawing with minimum depth of excavation as 600 mm from Natural Ground Level. Extra depth if any shall be filled with PCC 1:4:8. Any extra cost on account of minimum depth criteria shall deemed to be included in quoted rates.

LATTICE / PIPE STRUCTURE

Marshalling Kiosk

220 kV Equipment Structure

220 kVISO (3-Phase)

220 kVISO (3-Phase) - Tandem

220 kV BPI

220 kV CVT

CABLE TRENCH

Construction of cable trenches of required size and depths with stone masonry/brick masonry walls, precast ferro cement covers, water stops, stone/brick (fly ash bricks) including the supply of labour, material, cement, reinforcement steel, steel angles, flats for cable racks with holes for fixing battens and providing P.C.C.(1:4:8) below cable trenches, 20 mm thick cement plaster 1:6 inside completly and out side minimum 300 mm depth, 40mm thick CC flooring 1:2:4 with glass strips in joints and 150 mm thick RCC M20 band on top of masonry with supply and fixing Ferro-cement covers light duty from outer to outer width of cable trench, designed for class 'B' loading with adequate steel reinforcement of required thickness, M S Plate rim, lifting hook, additive and admixtures like plasticizer , shrinkage resistance compound, abrasion resistant, Suitable size angle shall be provided at the corner and junctions of trench for support of covers. 100 mm dia UPVC shall also be provided at 3000 mm c/c on both side of cable trench wall so to entrap the rainy water. a gentle slope of 1 in 500 shall be provided in the flooring till disposal point as per technical specification and approved drawings. (payment shall be made as per actual length). Note:1.Top level of trench shall be decided by the owner, Work shall be got executed as per approved drawing with minimum depth of excavation as 600 mm from Natural Ground Level. Extra depth if any on account of diffrence in level or slope shall be attained by stone/brick masonry. Any extra cost on account of minimum depth criteria shall deemed to be included in quoted rates.

Type A Cable trench

Type C Cable trench

CABLE TRENCH CROSSING

Construction of cable trenches crossing in Road of required depths with stone/brick (fly ash bricks) including the supply of labour, material, cement, reinforcement steel, steel angles, flats for cable racks with holes for fixing battens and providing P.C.C.(1:4:8) below cable trenches, 20 mm thick cement plaster 1:6 inside complete , 40mm thick CC flooring 1:2:4 with glass strips in joints and 450 mm thick RCC M20 band on top of masonry with provision of 150 mm thick RCC paitam on both side with supply and fixing reinforced Ferro-cement heavy duty covers in required size , suitable for class 'AA loading ,having thickness75 mm to 150 mm with anticorosive bitumen painted M S Plate rim, lifting hook, additvive and admixures like plasticizer , shrinkage resistance compound, abrasion resistant, as per approved drawings, specification and direction of engineer incharge Note 1. Masonry section at road crossing should be capble to cater 'AA' class loading and additional cost on account of thicker wall section is deemed to be included in quoted rates.

Road crossing for 'A' type cable trenches

Road crossing for 'C' type cable trenches

Grading of yard including all cutting and filling:-

Grading of yard to attain the required finished ground level by means of Earth work in cutting /filling in all type of soil/rock including disposal of surplus excavated unuseful soil /rock or filling the ground with approved non-cohessive soil with compation in layers so as to attain proctor density 90% with all lead lift & cost of soil. At level difference, stone /brick masonry walls of required section shall be provided with coping plaster, painting & weep holes shall deemed to be inclueded in quoted rate of this item.

ANTI WEED TREATMENT AND BASE LAYER OF INTERLOCKING TILES

Providing and fixing of precast concrete interlocking blocks of M 30 grade 60mm thick manufactured from fully computerised automatic stationery hydraullic vibropressed machine and fully computerised automatic batching plant of class A1/A2 as per BS 6717:2001. The CC interlocking paving blocks be laid on average 50mm. thick bed of coarse sand and the joint is to be filled with fine sand. Laying procedure on compacted sub-base as defined. Complete job is to be executed as per the instruction of Engineer incharge. The rates to be inclusive of all lead, Lifts and taxes. General specification of blocks: 1) Shape as defined by Engineer incharge 2) Tensile splitting strength and braking load as per BS 6717:2001 3) Color: Grey cement natural colour 4) Variation in dimension: Less than 1.6mm. 5) Variation in thickness: Less than 3.2mm 6) Abrasion: As per BS: 6717:2001

JELLY SPREADING (Gravelling)

Providing and laying 100mm thick layer of granite/basalt/trap jelly(gravel) of 40mm single size shall be spread over the entire switchyard area as per drawing and directions of engineer incharge of the work. The whole switchyard area (excluding buildings pathway road, drainages, cable trenches, equipments/ structures/ plinths etc.) shall be covered with jelly spreading. The jelly used shall be free from dirt, organic materials and flakes.

Supply & Fixing Barricades to confine Jelly (gravel), which include Supply and fixing cement concrete solid blocks of size 60x(20+25)/2x30 cms (l, b, h) jointed with CM 1:4, made from precast M-20 concrete and laid over 100 mm thick base of PCC 1:4:8 including necessary curing etc. complete. The top of concrete block shall be 100 mm above gravel top with provision of suitable openings for drainage of rain water. The exposed surface of barricades shall be applied with two coat of water proof cement paint.

ROAD WORK

Construction of unreinforced, dowel jointed plain cement cocrete pavement in 150 mm thickness over and including sub-base of 150 mm thick quarry rubbish and 100 thick PCC 1:4:8 with M 30 grade cement concrete laid in approved side form work(steel channels , laying and fixing 125 micron thick polythene film wedged, steel plates including leveling the form work as per drawing, spreading using shovels, rakes, compacted using needdle, plate and screed vibrator finished in continuous operation including provision of expansion and contraction and construction joints, applying debonding strips, primer, sealant, dowel bars at expansion & construction joints only, curing etc complete including dewatering process with all equipments. work also includes providing and fixing precast cement concrete solid blocks on outer edges of both sides shoulder of size 60x(20+25)/2x30 cms (l, b, h) jointed with CM 1:4, made from precast M-20 concrete and laid over 100 mm thick base of PCC 1:4:8 including necessary curing etc. complete. The concrete block top shall be 100 mm above road top, with provision of suitable openings for drainage of rain water. The exposed surface of concrete blocks shall be applied with two coat of enamel paint, painted black and yellow alternately, and Providing and laying 80 mm thick M 30 interlocking tiles Category A Denated units to key into each other on four faces zig zag shape over 100 mm PCC 1:4:8, complete as per IRC SP 63:2004 specification on shoulders as per approved drawing, specification and direction of engineer incharge(payment shall be made as per actual length).

3.0 Mtr. Wide Road. with shoulders of 0.60 m on both side of CC road

Add: Any other item bidder may require to complete the Civil works as per specification requirements

Description of Work / Item(s)

Amount

MAIN MATERIAL/ ITEMS

Circuit Breakers

220 kV Circuit Breakers

220kV circuit breakers (3 Ph.) Along with support Structure

Instrument Transformers

Capacitor Voltage Transformer

Single-Phase, 220 kV, 4400 pf CVT (110/√3, 110/√3) 0.2 Class

Current Transformer (1-Phase)

C&R Panels & SAS system (Complete in all respect, refer Section-V A, B, Part-III, Volume-II)

New Substation

Control Panel for 220 kV Feeder Type: Desk Type (To be designed as identical and compatible with existing desk type control panel)

Relay Panel for 220 kV Feeder Type: ABC Type (To be designed as identical and compatible with existing ABC type relay panel)

Upgrade of Existing Busbar Protection System

Upgrade/ New Hardware & Software as required for integration to Existing RTU/SCADA and RAS System

Other Items:

Fiber optic cables, connectors, ethernet cables, jack panels connectors, patch cords etc. for completing the Substation LAN as per specification requirements.

Transducers, Sensors etc. (if not considered in the respective equipment/ items) for accumulating monitoring data as per the specification requirements for switchyards.

Surge Arresters

Fire Fighting System

DCP Type

Carbon di oxide type – 6 Liters.

Foam Type- 9 Liters

1.1kV Grade PVC insulated Al. conductor FRLS power cables and copper conductor armoured FRLS control cables [Excluding the wiring required for electrical & Lighting fittings/fixtures installation in control room and other building]

Control Cable (PVC)

4 CX4 Sq. mm

5Cx2.5 sq.mm

7Cx2.5 sq.mm

14Cx2.5 sq.mm

19Cx2.5 sq.mm

Substation Structures

Standard Lattice Structure [Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for lattice steel structure as per specification requirements]:

Non-Standard type Pipe Support Structure [Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for Pipe Support structure as per specification requirements]

Isolators

220 kV (3-Phase) (Horizontal DOUBLE BREAK)

2000A, 50KA, isolator with one E/S

Post insulators for above Isolator

2000A, 50KA, isolator with two E/S

Post insulators for above Isolator

2000A, 50KA, isolator without E/S

Post insulators for above Isolator

2000A, 50KA, isolator without E/S (TANDEM Type)

Post insulators for above Isolator

Switchyard Erection

Busbar & Interconnections

New Substation/ Switchyard

220 kV Switchyard Works:

Main-I Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/Porcelain Long Rod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

Main-II Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/ Pocelain Long Rod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

Aux Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string(DT/SS), AF Type Disc Insulators/ Porcelain Longrod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

220 kV Overhead Jack Bus (for DMT Layout) on Twin ACSR Zebra(Bus-Coupler Bay)/ Single ACSR Zebra (Transformer/ Line on ACSR Zebra) with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/ Porcelain Longrod Insulators, clamps, connectors, spacers etc. as per Substation Layout arrangement and specification requirements [ for 1 Bay]

Single ACSR Zebra

Equipment Interconnections to Main Bus, Overhead Bus including Single ACSR Zebra (for Line), Twin ACSR Zebra (forTransformer bay & B/C Bay), bus-bar materials, clamps, connectors, spacers, corona shields, including equipment connectors, Junction box including of all accessories etc. for the following:

220 kV DMT-type layout

Line bay

Bus Post Insulators (BPI)

Earthing & Lightning Protection System

Main, Auxilary Earthmats, Risers etc. for complete earthing in the Switchyard Area

40 mm Dia MS Rod

40mm Dia, 3.2 M Long MS Rod Earth Electrodes Directly Driven.

MS Flat 100X12 mm

50X12 mm GS Flat

50X6 mm GS Flat

Earth Enhancing Compound for treated pits as above and other requirement as per specification

Cleat type clamps(8mm thick) for earthing down conductor (10.98 mm dia), 50x12 mm GS Flat and 50x6 mm GS flat

Cu/Al Flexible braids Grounding Conductor connection to MS/GS Flats

Earth Wire for Shielding Protection of Switchyard

7/3.15 Galvenized Steel Wire

Earthwire tension clamps with D Shackle assembly

PG calmp to suit 7/3.15 mm GS earth wire

Other Clamps, Copper Earth Bond etc. as per layout diagram for erection of Earth Wire

Bay Marshalling KIOSK

200 way (Stud Type Connectors)

AC Distribution Boxes (Outdoor Type)

Conduits, Cable Trays [Perforated and Ladder Type], Cable Tags, Cable Clamps, Cable Lugs,Cable sealing system, Gland Plates, Junction Boxes, PVC pipes, hume Pipes, Nylon type Trefoil Clamps etc.[Excluding the conduits, junction boxes etc. required for electrical & Lighting fittings/fixtures installation in control room and other building]

Other Steel Structures/ members [items such as Galvenized/ Mild Steel Channels, Angles, Plates, round, joist, Hot dip galvenized Nut-Bolts, Electro Galvenized Spring Washers etc. considered for this component of price schedule] to be designed/ provided by the bidder for the completion of project [This shall not include the steel to be used in the civil works]

LT Switchgear

PLCC EQUIPMENTS

220 kV Wave trap (2000A, 0.5 mH, 40 kA)

SSB single Channel Carrier Set (40 W) suitable for transmitting Data and super imposed channels along with Remote subscriber facility and emergency calling set. ( The make should be same as installed at 220kV GSS Chainpura Chhota)

A.F. Protection coupler microprocessor based suitable for Four commands. ( The make should be same as installed at 220kV GSS Chainpura Chhota)

Coupling Devices for Phase to Phase coupling having Band width programmable at site with protective Device & balancing transformer matching with line impedance of respective voltage level.

HF Armoured Coaxial cable having 75 Ohms unbalanced impendance.

GI Channel 100x50x6 mm

Add: Any other supply item, if any, bidder may require completing the substation as per specification requirements.

Description of Work / Item(s)

Amount

Service- ETC+ Civil

Circuit Breakers

220 kV Circuit Breakers

220kV circuit breakers (3 Ph.) Along with support Structure

Instrument Transformers

Capacitor Voltage Transformer

Single-Phase, 220 kV, 4400 pf CVT (110/√3, 110/√3) 0.2 Class

Current Transformer (1-Phase)

C&R Panels & SAS system (Complete in all respect, refer Section-V A, B, Part-III, Volume-II)

New Substation

Control Panel for 220 kV Feeder Type: Desk Type (To be designed as identical and compatible with existing desk type control panel)

Relay Panel for 220 kV Feeder Type: ABC Type (To be designed as identical and compatible with existing ABC type relay panel)

Upgrade of Existing Busbar Protection System

Upgrade/ New Hardware & Software as required for integration to Existing RTU/SCADA and RAS System

Other Items:

Fiber optic cables, connectors, ethernet cables, jack panels connectors, patch cords etc. for completing the Substation LAN as per specification requirements.

Transducers, Sensors etc. (if not considered in the respective equipment/ items) for accumulating monitoring data as per the specification requirements for switchyards.

Surge Arresters

1.1kV Grade PVC insulated Al. conductor FRLS power cables and copper conductor armoured FRLS control cables [Excluding the wiring required for electrical & Lighting fittings/fixtures installation in control room and other building]

Control Cable (PVC)

4 CX4 Sq. mm

5Cx2.5 sq.mm

7Cx2.5 sq.mm

14Cx2.5 sq.mm

19Cx2.5 sq.mm

Substation Structures

Standard Lattice Structure [Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for lattice steel structure as per specification requirements]:

Non-Standard type Pipe Support Structure [Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for Pipe Support structure as per specification requirements]

Isolators

220 kV (3-Phase) (Horizontal DOUBLE BREAK)

2000A, 50KA, isolator with one E/S

Post insulators for above Isolator

2000A, 50KA, isolator with two E/S

Post insulators for above Isolator

2000A, 50KA, isolator without E/S

Post insulators for above Isolator

2000A, 50KA, isolator without E/S (TANDEM Type)

Post insulators for above Isolator

Switchyard Erection

Busbar & Interconnections

New Substation/ Switchyard

220 kV Switchyard Works:

Main-I Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/Porcelain Long Rod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

Main-II Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/ Pocelain Long Rod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

Aux Bus: 220 kV Twin ACSR Zebra Bus with conductor, busbar material, insulator string(DT/SS), AF Type Disc Insulators/ Porcelain Longrod Insulators, hardware, Clamps, Connectors, spacers, corona shields etc. as per Layout arrangment of the subsation and specification requirements [for 3 bays]

220 kV Overhead Jack Bus (for DMT Layout) on Twin ACSR Zebra(Bus-Coupler Bay)/ Single ACSR Zebra (Transformer/ Line on ACSR Zebra) with conductor, busbar material, insulator string (DT/SS), AF Type Disc Insulators/ Porcelain Longrod Insulators, clamps, connectors, spacers etc. as per Substation Layout arrangement and specification requirements [ for 1 Bay]

Single ACSR Zebra

Equipment Interconnections to Main Bus, Overhead Bus including Single ACSR Zebra (for Line), Twin ACSR Zebra (forTransformer bay & B/C Bay), bus-bar materials, clamps, connectors, spacers, corona shields, including equipment connectors, Junction box including of all accessories etc. for the following:

220 kV DMT-type layout

Line bay

Bus Post Insulators (BPI)

Earthing & Lightning Protection System

Main, Auxilary Earthmats, Risers etc. for complete earthing in the Switchyard Area

40 mm Dia MS Rod

40mm Dia, 3.2 M Long MS Rod Earth Electrodes Directly Driven.

MS Flat 100x12 mm

50X12 mm GS Flat

50X6 mm GS Flat

Earth Enhancing Compound for treated pits as above and other requirement as per specification

Cleat type clamps(8mm thick) for earthing down conductor (10.98 mm dia), 50x12 mm GS Flat and 50x6 mm GS flat

Cu/Al Flexible braids Grounding Conductor connection to MS/GS Flats

Earth Wire for Shielding Protection of Switchyard

7/3.15 Galvenized Steel Wire

Earthwire tension clamps with D Shackle assembly

PG calmp to suit 7/3.15 mm GS earth wire

Other Clamps, Copper Earth Bond etc. as per layout diagram for erection of Earth Wire

Bay Marshalling KIOSK

200 way (Stud Type Connectors)

AC Distribution Boxes (Outdoor Type)

Conduits, Cable Trays [Perforated and Ladder Type], Cable Tags, Cable Clamps, Cable Lugs,Cable sealing system, Gland Plates, Junction Boxes, PVC pipes, hume Pipes, Nylon type Trefoil Clamps etc.[Excluding the conduits, junction boxes etc. required for electrical & Lighting fittings/fixtures installation in control room and other building]

Other Steel Structures/ members [items such as Galvenized/ Mild Steel Channels, Angles, Plates, round, joist, Hot dip galvenized Nut-Bolts, Electro Galvenized Spring Washers etc. considered for this component of price schedule] to be designed/ provided by the bidder for the completion of project [This shall not include the steel to be used in the civil works]

PLCC EQUIPMENTS

220 kV Wave trap (2000A, 0.5 mH, 40 kA)

SSB single Channel Carrier Set (40 W) suitable for transmitting Data and super imposed channels along with Remote subscriber facility and emergency calling set.

A.F. Protection coupler microprocessor based suitable for Four commands.

Coupling Devices for Phase to Phase coupling having Band width programmable at site with protective Device & balancing transformer matching with line impedance of respective voltage level.

HF Armoured Coaxial cable having 75 Ohms unbalanced impendance.

CIVIL WORKS

TOWER/ EQUIPMENT FOUNDATIONS :

Supply of all labour, material for construction of RCC footings and pedestals of any section/size including the cost of excavation in all types of soil/rock, back filling with available approved earth or borrowed/new earth, disposal of surplus earth/rock to the places directed, concrete (RCC M20 Grade and Lean concrete 1:4:8), reinforcement steel,form work ,grouting , underpinning, foundation strengthening in expansive / B.C soil ,dewatering if required, curing, sundries including mechanism, MK, UPVC pipe etc required for proper operation of equipments and transformer and other items not mentioned herein but required for the completion of the work for the following station towers and equipments support structures including finishing with12 mm thick plaster in CM 1:4 and applying two coats of white/somke grey weather proof painting coat on all exposed surface (top and sides) of foundations as per technical specification, approved drawings and directions of the Engineer- in-charge of work. Note: Top level of foundation shall be decided by the owner. Work shall be got executed as per approved drawing with minimum depth of excavation as 600 mm from Natural Ground Level. Extra depth if any shall be filled with PCC 1:4:8. Any extra cost on account of minimum depth criteria shall deemed to be included in quoted rates.

LATTICE / PIPE STRUCTURE

Marshalling Kiosk

220 kV Equipment Structure

220 kVISO (3-Phase)

220 kVISO (3-Phase) - Tandem

220 kV BPI

220 kV CVT

CABLE TRENCH

Construction of cable trenches of required size and depths with stone masonry/brick masonry walls, precast ferro cement covers, water stops, stone/brick (fly ash bricks) including the supply of labour, material, cement, reinforcement steel, steel angles, flats for cable racks with holes for fixing battens and providing P.C.C.(1:4:8) below cable trenches, 20 mm thick cement plaster 1:6 inside completly and out side minimum 300 mm depth, 40mm thick CC flooring 1:2:4 with glass strips in joints and 150 mm thick RCC M20 band on top of masonry with supply and fixing Ferro-cement covers light duty from outer to outer width of cable trench, designed for class 'B' loading with adequate steel reinforcement of required thickness, M S Plate rim, lifting hook, additive and admixtures like plasticizer , shrinkage resistance compound, abrasion resistant, Suitable size angle shall be provided at the corner and junctions of trench for support of covers. 100 mm dia UPVC shall also be provided at 3000 mm c/c on both side of cable trench wall so to entrap the rainy water. a gentle slope of 1 in 500 shall be provided in the flooring till disposal point as per technical specification and approved drawings. (payment shall be made as per actual length). Note:1.Top level of trench shall be decided by the owner, Work shall be got executed as per approved drawing with minimum depth of excavation as 600 mm from Natural Ground Level. Extra depth if any on account of diffrence in level or slope shall be attained by stone/brick masonry. Any extra cost on account of minimum depth criteria shall deemed to be included in quoted rates.

Type A Cable trench

Type C Cable trench

CABLE TRENCH CROSSING

Construction of cable trenches crossing in Road of required depths with stone/brick (fly ash bricks) including the supply of labour, material, cement, reinforcement steel, steel angles, flats for cable racks with holes for fixing battens and providing P.C.C.(1:4:8) below cable trenches, 20 mm thick cement plaster 1:6 inside complete , 40mm thick CC flooring 1:2:4 with glass strips in joints and 450 mm thick RCC M20 band on top of masonry with provision of 150 mm thick RCC paitam on both side with supply and fixing reinforced Ferro-cement heavy duty covers in required size , suitable for class 'AA loading ,having thickness75 mm to 150 mm with anticorosive bitumen painted M S Plate rim, lifting hook, additvive and admixures like plasticizer , shrinkage resistance compound, abrasion resistant, as per approved drawings, specification and direction of engineer incharge Note 1. Masonry section at road crossing should be capble to cater 'AA' class loading and additional cost on account of thicker wall section is deemed to be included in quoted rates.

Road crossing for 'A' type cable trenches

Road crossing for 'C' type cable trenches

Grading of yard including all cutting and filling:-

Grading of yard to attain the required finished ground level by means of Earth work in cutting /filling in all type of soil/rock including disposal of surplus excavated unuseful soil /rock or filling the ground with approved non-cohessive soil with compation in layers so as to attain proctor density 90% with all lead lift & cost of soil. At level difference, stone /brick masonry walls of required section shall be provided with coping plaster, painting & weep holes shall deemed to be inclueded in quoted rate of this item.

ANTI WEED TREATMENT AND BASE LAYER OF INTERLOCKING TILES

Providing and fixing of precast concrete interlocking blocks of M 30 grade 60mm thick manufactured from fully computerised automatic stationery hydraullic vibropressed machine and fully computerised automatic batching plant of class A1/A2 as per BS 6717:2001. The CC interlocking paving blocks be laid on average 50mm. thick bed of coarse sand and the joint is to be filled with fine sand. Laying procedure on compacted sub-base as defined. Complete job is to be executed as per the instruction of Engineer incharge. The rates to be inclusive of all lead, Lifts and taxes. General specification of blocks: 1) Shape as defined by Engineer incharge 2) Tensile splitting strength and braking load as per BS 6717:2001 3) Color: Grey cement natural colour 4) Variation in dimension: Less than 1.6mm. 5) Variation in thickness: Less than 3.2mm 6) Abrasion: As per BS: 6717:2001

JELLY SPREADING (Gravelling)

Providing and laying 100mm thick layer of granite/basalt/trap jelly(gravel) of 40mm single size shall be spread over the entire switchyard area as per drawing and directions of engineer incharge of the work. The whole switchyard area (excluding buildings pathway road, drainages, cable trenches, equipments/ structures/ plinths etc.) shall be covered with jelly spreading. The jelly used shall be free from dirt, organic materials and flakes.

Supply & Fixing Barricades to confine Jelly (gravel), which include Supply and fixing cement concrete solid blocks of size 60x(20+25)/2x30 cms (l, b, h) jointed with CM 1:4, made from precast M-20 concrete and laid over 100 mm thick base of PCC 1:4:8 including necessary curing etc. complete. The top of concrete block shall be 100 mm above gravel top with provision of suitable openings for drainage of rain water. The exposed surface of barricades shall be applied with two coat of water proof cement paint.

ROAD WORK

Construction of unreinforced, dowel jointed plain cement cocrete pavement in 150 mm thickness over and including sub-base of 150 mm thick quarry rubbish and 100 thick PCC 1:4:8 with M 30 grade cement concrete laid in approved side form work(steel channels , laying and fixing 125 micron thick polythene film wedged, steel plates including leveling the form work as per drawing, spreading using shovels, rakes, compacted using needdle, plate and screed vibrator finished in continuous operation including provision of expansion and contraction and construction joints, applying debonding strips, primer, sealant, dowel bars at expansion & construction joints only, curing etc complete including dewatering process with all equipments. work also includes providing and fixing precast cement concrete solid blocks on outer edges of both sides shoulder of size 60x(20+25)/2x30 cms (l, b, h) jointed with CM 1:4, made from precast M-20 concrete and laid over 100 mm thick base of PCC 1:4:8 including necessary curing etc. complete. The concrete block top shall be 100 mm above road top, with provision of suitable openings for drainage of rain water. The exposed surface of concrete blocks shall be applied with two coat of enamel paint, painted black and yellow alternately, and Providing and laying 80 mm thick M 30 interlocking tiles Category A Denated units to key into each other on four faces zig zag shape over 100 mm PCC 1:4:8, complete as per IRC SP 63:2004 specification on shoulders as per approved drawing, specification and direction of engineer incharge(payment shall be made as per actual length).

3.0 Mtr. Wide Road. with shoulders of 0.60 m on both side of CC road

Add: Any other item bidder may require to complete the Civil works as per specification requirements

Lumino Industries Limited (BID ID -3016772)

GUPTA CONSTRUCTION COMPANY (BID ID -3035267)

Lumino Industries Limited (BID ID -3016772)

Cabcon India Limited (BID ID -3016462)

Lumino Industries Limited (BID ID -3016772)

GUPTA CONSTRUCTION COMPANY (BID ID -3035267)

Lumino Industries Limited (BID ID -3016772)

Cabcon India Limited (BID ID -3016462)

Cabcon India Limited (BID ID -3016462)

GUPTA CONSTRUCTION COMPANY (BID ID -3035267)

GUPTA CONSTRUCTION COMPANY (BID ID -3035267)

Cabcon India Limited (BID ID -3016462)

Cabcon India Limited (BID ID -3016462)

GUPTA CONSTRUCTION COMPANY (BID ID -3035267)

GUPTA CONSTRUCTION COMPANY (BID ID -3035267)

Cabcon India Limited (BID ID -3016462)