CONSTRUCTION OF 220 KV 25 MVAR BUS REACTOR BAY WORK

Amount

MAIN MATERIAL/ ITEMS

25 MVAr, 220 kV Bus Reactor

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

Mandatory Spare Parts as per Schedule-A

Local and remote WTI complete with sensing device and contacts

Local and remote OTI complete with sensing device and contacts

Pressure release device

Buchholz relay complete with assembly

Magnetic oil level gauge

Set of Valves (Complete set for one reactor)

Breather assembly

Circuit Breaker

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above item

Current Transformer (LIVE TANK TYPE ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers

Terminal Connectors for above item

Isolator

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

Surge Arresters

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above item

CONTROL, RELAY & PROTECTION PANELS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software, wiring for adding new 1 No 220 kV bay (as per scope of specifications) in existing 220 kV bus bar protection scheme [Refer Clause No.7.4.4 of Volume II, Part-3, Section-I of the specification]

HARDWARE AND MECHANICAL/ELECTRICAL AUXILIARIES

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Note:- i) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. ii) All the dropped jumpers shall be of Y-type

Bay Marshalling kiosks for 220 KV bay

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

MS angle flat & ISMC channel (All sizes)

ACSR Zebra Conductor

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

LED based Lighting System in Switchyard for subject bay

STRUCTURES: 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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURE

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

Any Other item required for successful completion of work

Description of Work / Item(s)

Amount

Service part

220 kV, 25 MVAR SHUNT REACTOR (BUS TYPE)

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

CIRCUIT BREAKER

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above

CURRENT TRANSFORMER (LIVE TANK ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers.

Terminal Connectors for above

ISOLATOR

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above

Post insulators for above

SURGE ARRESTOR

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above

CONTROL, RELAY & PROTECTION PANELS & ASSOCIATED MANDATORY SPARES/EQUIPMENTS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software wiring for adding new 1 Nos. 220 kV bays (as per scope of specification) in the existing 220 kV Bus Bar Protection Scheme (M/s. Alstom Make)

HARDWARES AND MECHANICAL/ELECTRICAL AUXILLIARIES Note:- (i) The items under the Hardware, Mechanical/Electrical auxiliaries, Structures and civil works have been listed for the purposes of Bid preparation. The Bidder is required to estimate the quantities. The bidder is required to indicate unit rate and total price of the items under respective heads in bid proposal sheets. The bidder may note that the list indicated below is not exhaustive and he may modify the same to meet the complete requirement of specification. The cement and steel shall be supplied by the Contractor. (ii) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. (iii) All the dropped jumpers shall be of Y-type.

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Clamps and Connectors i.e. PG Clamps, T-Clamps, etc. for G.S. Earth wire

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Earthwire tension clamps with D. Shackle assembly and earth bond

Lugs to suit 10.98 mm GS Earthwire

Bay Marshalling kiosks for 220 KV bay

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

1.1 kV grade XLPE / PVC insulated armoured Al. conductor power cable

Straight through joints for 1.1 kV XLPE / PVC power cables as required

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipes for road crossing (NP-4 class). (Sizes shall be recommended by the bidder)

Pressure die cast AL (LM6) Nylon 6 made trefoil clamp for recommended cables

MS Angle Flat and ISMC channel (All size)

ACSR Zebra conductor

7/3.15 mm GS Earth Wire

Any other item.

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

LED based Lighting System in Switchyard for subject bay

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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURES

220 kV PI Structure

220 kV CT support structure (AO3)

220 kV LA support structure (AO5)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

CIVIL WORKS:- 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 STRUCTURE

220 kV PI Structure

220 kV CT support structure (AO3)

220 kV LA support structure (AO5)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

MK for 220kV

220 kV CB support structure

FOUNDATION OF 25MVAR, 220kV SHUNT REACTOR AND ASSOCIATED EQUIPMENTS including NIFPES

FOUNDATION FOR 25MVAR, 220kV SHUNT REACTOR including all associated works, rail tracks , jacking pads, anchor block, RCC, PCC, Misc. Structural Steel including M.S. grating, gravel filling, supports system and other items not mentioned herein but required for the completion of work as per technical specification and approved drawings. 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.

Civil works for MS Tank including Excavation, Laying of 75 mm PCC, Constructing brick wall jacket around the tank, laying of 200 mm RCC raft, leveling and alignment of MS Tank, backfilling with excavated sand, Top leveling by laying of PCC, as per site requirement and Technical specifications (complete job).As per specification for 25 MVAr reactor

CIVIL WORKS:-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 C Cable trench

Providing, Laying & Jointing R.C.C. class NP-2 Non-Pressure pipes (IS : 458mark) of approved make with collars, jointed with C.M. 1:2 or having Spigot and socket ends with flexible rubber rings joint including testing of joints etc. complete for 300 mm dia internal dia pipe including Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size) upto haunches of S.W. pipes including bed concrete as per standard design and Excavating trenches of required width for pipes cables etc. including excavation for sockets, depth up to required depth including taking out the excavated materials, refilling the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, with all lead and lifts in all types of soil, rocks etc complete in all respect.

Construction of RCC sump having capacity 10000 Liters with provision of automatic dewatering mud pump with disposal arrangement upto outside RVPN premises as directed by Engineeer In-charge with provision of a stand by pump.

CIVIL WORKS:- CABLE TRENCH CROSSINGConstruction 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 'C' type cable trenches

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

CIVIL WORKS:- 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 suatable openings for drainage of rain water. The exposed surface of barricades shall be applied with two coat of water proof cement paint.

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

Description of Work / Item(s)

Amount

Service part

220 kV, 25 MVAR SHUNT REACTOR (BUS TYPE)

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

CIRCUIT BREAKER

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above

CURRENT TRANSFORMER (LIVE TANK ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers.

Terminal Connectors for above

ISOLATOR

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above

Post insulators for above

SURGE ARRESTOR

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above

CONTROL, RELAY & PROTECTION PANELS & ASSOCIATED MANDATORY SPARES/EQUIPMENTS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software wiring for adding new 1 Nos. 220 kV bays (as per scope of specification) in the existing 220 kV Bus Bar Protection Scheme (M/s. Schneider Electrical make)

HARDWARES AND MECHANICAL/ELECTRICAL AUXILLIARIES Note:- (i) The items under the Hardware, Mechanical/Electrical auxiliaries, Structures and civil works have been listed for the purposes of Bid preparation. The Bidder is required to estimate the quantities. The bidder is required to indicate unit rate and total price of the items under respective heads in bid proposal sheets. The bidder may note that the list indicated below is not exhaustive and he may modify the same to meet the complete requirement of specification. The cement and steel shall be supplied by the Contractor. (ii) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. (iii) All the dropped jumpers shall be of Y-type.

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Bay Marshalling kiosks for 220 KV bay

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

MS Angle Flat and ISMC channel (All size)

ACSR Zebra conductor

Any other item.

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

LED based Lighting System in Switchyard for subject bay

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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURES

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

CIVIL WORKS:- 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 STRUCTURE

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

220 kV CB support structure

MK for 220kV

FOUNDATION OF 25MVAR, 220kV SHUNT REACTOR AND ASSOCIATED EQUIPMENTS including NIFPES

FOUNDATION FOR 25MVAR, 220kV SHUNT REACTOR including all associated works, rail tracks , jacking pads, anchor block, RCC, PCC, Misc. Structural Steel including M.S. grating, gravel filling, supports system and other items not mentioned herein but required for the completion of work as per technical specification and approved drawings. 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.

Civil works for MS Tank including Excavation, Laying of 75 mm PCC, Constructing brick wall jacket around the tank, laying of 200 mm RCC raft, leveling and alignment of MS Tank, backfilling with excavated sand, Top leveling by laying of PCC, as per site requirement and Technical specifications (complete job).As per specification for 25 MVAr reactor

CIVIL WORKS:-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 B Cable trench

Type C Cable trench

Providing, Laying & Jointing R.C.C. class NP-2 Non-Pressure pipes (IS : 458mark) of approved make with collars, jointed with C.M. 1:2 or having Spigot and socket ends with flexible rubber rings joint including testing of joints etc. complete for 300 mm dia internal dia pipe including Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size) upto haunches of S.W. pipes including bed concrete as per standard design and Excavating trenches of required width for pipes cables etc. including excavation for sockets, depth up to required depth including taking out the excavated materials, refilling the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, with all lead and lifts in all types of soil, rocks etc complete in all respect.

Construction of RCC sump having capacity 10000 Liters with provision of automatic dewatering mud pump with disposal arrangement upto outside RVPN premises as directed by Engineeer In-charge with provision of a stand by pump.

CIVIL WORKS:- CABLE TRENCH CROSSINGConstruction 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 'B' type cable trenches

Road crossing for 'C' type cable trenches

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

CIVIL WORKS:- 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 suatable openings for drainage of rain water. The exposed surface of barricades shall be applied with two coat of water proof cement paint.

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

25 MVAr, 220 kV Bus Reactor

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

Mandatory Spare Parts as per Schedule-A

Local and remote WTI complete with sensing device and contacts

Local and remote OTI complete with sensing device and contacts

Pressure release device

Buchholz relay complete with assembly

Magnetic oil level gauge

Set of Valves (Complete set for one reactor)

Breather assembly

Circuit Breaker

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above item

Current Transformer (LIVE TANK TYPE ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers

Terminal Connectors for above item

Isolator

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above item

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

Surge Arresters

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above item

CONTROL, RELAY & PROTECTION PANELS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software, wiring for adding new 1 No 220 kV bay (as per scope of specifications) in existing 220 kV bus bar protection scheme [Refer Clause No.7.4.4 of Volume II, Part-3, Section-I of the specification]

HARDWARE AND MECHANICAL/ELECTRICAL AUXILIARIES

Single/Double Tension Hardware for double Zebra (Bolted Type)

Single/double Suspension Hardware for double Zebra (Bolted Type)

Disc Insulators 120 KN

Disc Insulators 70 KN

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Clamps and Connectors i.e. PG Clamps, T-Clamps, etc. for G.S. Earth wire

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Note:- i) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. ii) All the dropped jumpers shall be of Y-type

Earthwire tension clamps with D. Shackle assembly and earth bond

Lugs to suit 10.98 mm GS Earthwire

Bay Marshalling kiosks for 220 KV bay

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipe for road crossing NP-4 class (Sizes shall be recommended by the bidder)

Pressure die cast AL(LM-6) nylon-6 make trifoil clamp for recommended cables

MS angle flat & ISMC channel (All sizes)

ACSR Zebra Conductor

7/4.00 mm GS Earth wire

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

LED based Lighting System in Switchyard for subject bay

STRUCTURES: 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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURE

220 kV tower type AT1

220 kV tower type AB1/AB2

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

Any Other item required for successful completion of work

Description of Work / Item(s)

Amount

Service part

220 kV, 25 MVAR SHUNT REACTOR (BUS TYPE)

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

CIRCUIT BREAKER

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above

CURRENT TRANSFORMER (LIVE TANK ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers.

Terminal Connectors for above

ISOLATOR

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above

Post insulators for above

SURGE ARRESTOR

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above

CONTROL, RELAY & PROTECTION PANELS & ASSOCIATED MANDATORY SPARES/EQUIPMENTS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software wiring for adding new 1 Nos. 220 kV bays (as per scope of specification) in the existing 220 kV Bus Bar Protection Scheme (M/s. Danish Pvt. Ltd., Jaipur Make)

HARDWARES AND MECHANICAL/ELECTRICAL AUXILLIARIES Note:- (i) The items under the Hardware, Mechanical/Electrical auxiliaries, Structures and civil works have been listed for the purposes of Bid preparation. The Bidder is required to estimate the quantities. The bidder is required to indicate unit rate and total price of the items under respective heads in bid proposal sheets. The bidder may note that the list indicated below is not exhaustive and he may modify the same to meet the complete requirement of specification. The cement and steel shall be supplied by the Contractor. (ii) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. (iii) All the dropped jumpers shall be of Y-type.

Single/Double Tension Hardware for double Zebra (Bolted Type)

Single/double Suspension Hardware for double Zebra (Bolted Type)

Disc Insulators 120 KN

Disc Insulators 70 KN

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Clamps and Connectors i.e. PG Clamps, T-Clamps, etc. for G.S. Earth wire

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Earthwire tension clamps with D. Shackle assembly and earth bond

Lugs to suit 10.98 mm GS Earthwire

Bay Marshalling kiosks for 220 KV bay

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipes for road crossing (NP-4 class). (Sizes shall be recommended by the bidder)

Pressure die cast AL (LM6) Nylon 6 made trefoil clamp for recommended cables

MS Angle Flat and ISMC channel (All size)

ACSR Zebra conductor

7/4.00 mm GS Earth Wire

Any other item.

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

LED based Lighting System in Switchyard for subject bay

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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURES

220 kV tower type AT1

220 kV tower type AB1/AB2

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

CIVIL WORKS:- 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 STRUCTURE

220 kV tower type AT1

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

220 kV CB support structure

MK for 220kV

FOUNDATION OF 25MVAR, 220kV SHUNT REACTOR AND ASSOCIATED EQUIPMENTS including NIFPES

FOUNDATION FOR 25MVAR, 220kV SHUNT REACTOR including all associated works, rail tracks , jacking pads, anchor block, RCC, PCC, Misc. Structural Steel including M.S. grating, gravel filling, supports system and other items not mentioned herein but required for the completion of work as per technical specification and approved drawings. 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.

Civil works for MS Tank including Excavation, Laying of 75 mm PCC, Constructing brick wall jacket around the tank, laying of 200 mm RCC raft, leveling and alignment of MS Tank, backfilling with excavated sand, Top leveling by laying of PCC, as per site requirement and Technical specifications (complete job).As per specification for 25 MVAr reactor

CIVIL WORKS:-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.

Providing, Laying & Jointing R.C.C. class NP-2 Non-Pressure pipes (IS : 458mark) of approved make with collars, jointed with C.M. 1:2 or having Spigot and socket ends with flexible rubber rings joint including testing of joints etc. complete for 300 mm dia internal dia pipe including Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size) upto haunches of S.W. pipes including bed concrete as per standard design and Excavating trenches of required width for pipes cables etc. including excavation for sockets, depth up to required depth including taking out the excavated materials, refilling the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, with all lead and lifts in all types of soil, rocks etc complete in all respect.

Construction of RCC sump having capacity 10000 Liters with provision of automatic dewatering mud pump with disposal arrangement upto outside RVPN premises as directed by Engineeer In-charge with provision of a stand by pump.

CIVIL WORKS:- CABLE TRENCH CROSSINGConstruction 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.

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

CIVIL WORKS:- 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 suatable openings for drainage of rain water. The exposed surface of barricades shall be applied with two coat of water proof cement paint.

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

25 MVAr, 220 kV Bus Reactor

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

Mandatory Spare Parts as per Schedule-A

Local and remote WTI complete with sensing device and contacts

Local and remote OTI complete with sensing device and contacts

Pressure release device

Buchholz relay complete with assembly

Magnetic oil level gauge

Set of Valves (Complete set for one reactor)

Breather assembly

Circuit Breaker

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above item

Current Transformer (LIVE TANK TYPE ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers

Terminal Connectors for above item

Isolator

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above item

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

Surge Arresters

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above item

CONTROL, RELAY & PROTECTION PANELS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software, wiring for adding new 1 No 220 kV bay (as per scope of specifications) in existing 220 kV bus bar protection scheme [Refer Clause No.7.4.4 of Volume II, Part-3, Section-I of the specification]

HARDWARE AND MECHANICAL/ELECTRICAL AUXILIARIES

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Note:- i) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. ii) All the dropped jumpers shall be of Y-type

Bay Marshalling kiosks for 220 KV bay

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipe for road crossing NP-4 class (Sizes shall be recommended by the bidder)

Pressure die cast AL(LM-6) nylon-6 make trifoil clamp for recommended cables

MS angle flat & ISMC channel (All sizes)

ACSR Zebra Conductor

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

LED based Lighting System in Switchyard for subject bay

STRUCTURES: 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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURE

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

Any Other item required for successful completion of work

Description of Work / Item(s)

Amount

Service part

220 kV, 25 MVAR SHUNT REACTOR (BUS TYPE)

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

CIRCUIT BREAKER

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above

CURRENT TRANSFORMER (LIVE TANK ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers.

Terminal Connectors for above

ISOLATOR

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above

Post insulators for above

SURGE ARRESTOR

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above

CONTROL, RELAY & PROTECTION PANELS & ASSOCIATED MANDATORY SPARES/EQUIPMENTS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software wiring for adding new 1 Nos. 220 kV bays (as per scope of specification) in the existing 220 kV Bus Bar Protection Scheme (M/s. SEL make)

HARDWARES AND MECHANICAL/ELECTRICAL AUXILLIARIES Note:- (i) The items under the Hardware, Mechanical/Electrical auxiliaries, Structures and civil works have been listed for the purposes of Bid preparation. The Bidder is required to estimate the quantities. The bidder is required to indicate unit rate and total price of the items under respective heads in bid proposal sheets. The bidder may note that the list indicated below is not exhaustive and he may modify the same to meet the complete requirement of specification. The cement and steel shall be supplied by the Contractor. (ii) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. (iii) All the dropped jumpers shall be of Y-type.

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Bay Marshalling kiosks for 220 KV bay

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipes for road crossing (NP-4 class). (Sizes shall be recommended by the bidder)

Pressure die cast AL (LM6) Nylon 6 made trefoil clamp for recommended cables

MS Angle Flat and ISMC channel (All size)

ACSR Zebra conductor

Any other item.

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

LED based Lighting System in Switchyard for subject bay

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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURES

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

CIVIL WORKS:- 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 STRUCTURE

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

220 kV CB support structure

MK for 220kV

FOUNDATION OF 25MVAR, 220kV SHUNT REACTOR AND ASSOCIATED EQUIPMENTS including NIFPES

FOUNDATION FOR 25MVAR, 220kV SHUNT REACTOR including all associated works, rail tracks , jacking pads, anchor block, RCC, PCC, Misc. Structural Steel including M.S. grating, gravel filling, supports system and other items not mentioned herein but required for the completion of work as per technical specification and approved drawings. 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.

Civil works for MS Tank including Excavation, Laying of 75 mm PCC, Constructing brick wall jacket around the tank, laying of 200 mm RCC raft, leveling and alignment of MS Tank, backfilling with excavated sand, Top leveling by laying of PCC, as per site requirement and Technical specifications (complete job).As per specification for 25 MVAr reactor

CIVIL WORKS:-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

Providing, Laying & Jointing R.C.C. class NP-2 Non-Pressure pipes (IS : 458mark) of approved make with collars, jointed with C.M. 1:2 or having Spigot and socket ends with flexible rubber rings joint including testing of joints etc. complete for 300 mm dia internal dia pipe including Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size) upto haunches of S.W. pipes including bed concrete as per standard design and Excavating trenches of required width for pipes cables etc. including excavation for sockets, depth up to required depth including taking out the excavated materials, refilling the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, with all lead and lifts in all types of soil, rocks etc complete in all respect.

Construction of RCC sump having capacity 10000 Liters with provision of automatic dewatering mud pump with disposal arrangement upto outside RVPN premises as directed by Engineeer In-charge with provision of a stand by pump.

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

CIVIL WORKS:- 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 suatable openings for drainage of rain water. The exposed surface of barricades shall be applied with two coat of water proof cement paint.

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

25 MVAr, 220 kV Bus Reactor

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

Mandatory Spare Parts as per Schedule-A

Local and remote WTI complete with sensing device and contacts

Local and remote OTI complete with sensing device and contacts

Pressure release device

Buchholz relay complete with assembly

Magnetic oil level gauge

Set of Valves (Complete set for one reactor)

Breather assembly

Circuit Breaker

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above item

Current Transformer (LIVE TANK TYPE ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers

Terminal Connectors for above item

Isolator

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above item

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

Surge Arresters

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above item

CONTROL, RELAY & PROTECTION PANELS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software, wiring for adding new 1 No 220 kV bay (as per scope of specifications) in existing 220 kV bus bar protection scheme [Refer Clause No.7.4.4 of Volume II, Part-3, Section-I of the specification]

HARDWARE AND MECHANICAL/ELECTRICAL AUXILIARIES

Single Tension Hardware for single Zebra (Bolted Type)

Single/Double Tension Hardware for double Zebra (Bolted Type)

Single Suspension Hardware for single Zebra (Bolted Type)

Single/double Suspension Hardware for double Zebra (Bolted Type)

Disc Insulators 120 KN

Disc Insulators 70 KN

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Clamps and Connectors i.e. PG Clamps, T-Clamps, etc. for G.S. Earth wire

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Note:- i) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. ii) All the dropped jumpers shall be of Y-type

Earthwire tension clamps with D. Shackle assembly and earth bond

Lugs to suit 10.98 mm GS Earthwire

Bay Marshalling kiosks for 220 KV bay

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

Streight through Joints for 1.1 kV grade XLPE / PVC insulated power cable as required

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipe for road crossing NP-4 class (Sizes shall be recommended by the bidder)

Pressure die cast AL(LM-6) nylon-6 make trifoil clamp for recommended cables

MS angle flat & ISMC channel (All sizes)

ACSR Zebra Conductor

7/4.00 mm GS Earth wire

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

LED based Lighting System in Switchyard for subject bay

STRUCTURES: 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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURE

220 kV tower type AT1

220 kV tower type AT6

220 kV tower type AB1/AB2

220 kV tower type AT4

220 kV tower type AT8

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

Any Other item required for successful completion of work

Description of Work / Item(s)

Amount

Service part

220 kV, 25 MVAR SHUNT REACTOR (BUS TYPE)

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

CIRCUIT BREAKER

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above

CURRENT TRANSFORMER (LIVE TANK ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers.

Terminal Connectors for above

ISOLATOR

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above

Post insulators for above

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above

Post insulators for above

SURGE ARRESTOR

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above

CONTROL, RELAY & PROTECTION PANELS & ASSOCIATED MANDATORY SPARES/EQUIPMENTS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software wiring for adding new 1 Nos. 220 kV bays (as per scope of specification) in the existing 220 kV Bus Bar Protection Scheme (M/s Siemens Make)

HARDWARES AND MECHANICAL/ELECTRICAL AUXILLIARIES Note:- (i) The items under the Hardware, Mechanical/Electrical auxiliaries, Structures and civil works have been listed for the purposes of Bid preparation. The Bidder is required to estimate the quantities. The bidder is required to indicate unit rate and total price of the items under respective heads in bid proposal sheets. The bidder may note that the list indicated below is not exhaustive and he may modify the same to meet the complete requirement of specification. The cement and steel shall be supplied by the Contractor. (ii) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. (iii) All the dropped jumpers shall be of Y-type.

Single Tension Hardware for single Zebra (Bolted Type)

Single/Double Tension Hardware for double Zebra (Bolted Type)

Single Suspension Hardware for single Zebra (Bolted Type)

Single/double Suspension Hardware for double Zebra (Bolted Type)

Disc Insulators 120 KN

Disc Insulators 70 KN

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Clamps and Connectors i.e. PG Clamps, T-Clamps, etc. for G.S. Earth wire

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Earthwire tension clamps with D. Shackle assembly and earth bond

Lugs to suit 10.98 mm GS Earthwire

Bay Marshalling kiosks for 220 KV bay

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

Straight through joints for 1.1 kV XLPE / PVC power cables as required

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipes for road crossing (NP-4 class). (Sizes shall be recommended by the bidder)

Pressure die cast AL (LM6) Nylon 6 made trefoil clamp for recommended cables

MS Angle Flat and ISMC channel (All size)

ACSR Zebra conductor

7/4.00 mm GS Earth Wire

Any other item.

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

LED based Lighting System in Switchyard for subject bay

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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURES

220 kV tower type AT1

220 kV tower type AT6

220 kV tower type AB1/AB2

220 kV tower type AT4

220 kV tower type AT8

220 kV PI Structure

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

CIVIL WORKS:- 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 STRUCTURE

220 kV tower type AT1

220 kV tower type AT4

220 kV tower type AT6

220 kV tower type AT8

220 kV LA support structure (AO5)

220 kV CT support structure (AO3)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

220 kV PI Structure

220 kV CB support structure

MK for 220kV

FOUNDATION OF 25MVAR, 220kV SHUNT REACTOR AND ASSOCIATED EQUIPMENTS including NIFPES

FOUNDATION FOR 25MVAR, 220kV SHUNT REACTOR including all associated works, rail tracks , jacking pads, anchor block, RCC, PCC, Misc. Structural Steel including M.S. grating, gravel filling, supports system and other items not mentioned herein but required for the completion of work as per technical specification and approved drawings. 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.

Civil works for MS Tank including Excavation, Laying of 75 mm PCC, Constructing brick wall jacket around the tank, laying of 200 mm RCC raft, leveling and alignment of MS Tank, backfilling with excavated sand, Top leveling by laying of PCC, as per site requirement and Technical specifications (complete job).As per specification for 25 MVAr reactor

CIVIL WORKS:-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 C Cable trench

Providing, Laying & Jointing R.C.C. class NP-2 Non-Pressure pipes (IS : 458mark) of approved make with collars, jointed with C.M. 1:2 or having Spigot and socket ends with flexible rubber rings joint including testing of joints etc. complete for 300 mm dia internal dia pipe including Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size) upto haunches of S.W. pipes including bed concrete as per standard design and Excavating trenches of required width for pipes cables etc. including excavation for sockets, depth up to required depth including taking out the excavated materials, refilling the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, with all lead and lifts in all types of soil, rocks etc complete in all respect.

Construction of RCC sump having capacity 10000 Liters with provision of automatic dewatering mud pump with disposal arrangement upto outside RVPN premises as directed by Engineeer In-charge with provision of a stand by pump.

CIVIL WORKS:- 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 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

CIVIL WORKS:- 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 suatable openings for drainage of rain water. The exposed surface of barricades shall be applied with two coat of water proof cement paint.

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

25 MVAr, 220 kV Bus Reactor

220 kV,25 MVAR three phase shunt reactor(Excluding 198 KV SA)(including suitable EHV grade reactor oil & 10 % extra quantity to cover wastages/Spillage during erection and top-up in non-returnable drum).

Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

Mandatory Spare Parts as per Schedule-A

Local and remote WTI complete with sensing device and contacts

Local and remote OTI complete with sensing device and contacts

Pressure release device

Buchholz relay complete with assembly

Magnetic oil level gauge

Set of Valves (Complete set for one reactor)

Breather assembly

Circuit Breaker

245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

Terminal Connectors for above item

Current Transformer (LIVE TANK TYPE ONLY)

1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers

Terminal Connectors for above item

Isolator

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

Terminal Connectors for above item

Post insulators for above item

Surge Arresters

Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

Terminal Connectors for above item

CONTROL, RELAY & PROTECTION PANELS

220 kV Control & Relay Panel for Bus Reactor

Necessary peripherial units, hardware, software, wiring for adding new 1 No 220 kV bay (as per scope of specifications) in existing 220 kV bus bar protection scheme [Refer Clause No.7.4.4 of Volume II, Part-3, Section-I of the specification]

HARDWARE AND MECHANICAL/ELECTRICAL AUXILIARIES

245 kV Bus Post Insulators other than those not included with individual equipment.

Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

Clamps and Connectors i.e. PG Clamps, T-Clamps, etc. for G.S. Earth wire

Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

40/28 mm dia MS Rod

40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

Note:- i) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. ii) All the dropped jumpers shall be of Y-type

Earthwire tension clamps with D. Shackle assembly and earth bond

Lugs to suit 7/3.15 mm GS Earthwire

Bay Marshalling kiosks for 220 KV bay

Junction boxes

Cables (FRLS)

1.1 KV grade PVC insulated armoured control cables – Cu

1.1 kV grade XLPE / PVC insulated armoured Al. conductor power cable

Streight through Joints for 1.1 kV grade XLPE / PVC insulated power cable as required

Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

Crimping type cable lugs (Tinned copper) of size of cable as required.

PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

Hume pipe for road crossing NP-4 class (Sizes shall be recommended by the bidder)

Pressure die cast AL(LM-6) nylon-6 make trifoil clamp for recommended cables

MS angle flat & ISMC channel (All sizes)

ACSR Zebra Conductor

7/3.15 mm GS Earth wire

FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill.

LED based Lighting System in Switchyard for subject bay

STRUCTURES: 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. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

LATTICE STRUCTURE

220 kV PI Structure

220 kV CT support structure (AO3)

220 kV LA support structure (AO5)

220 kV Isolator (AO1)

220 kV Isolator (AO1-T)

Any Other item required for successful completion of work

Suncity Enterprises

Suncity Enterprises

Suncity Enterprises

Suncity Enterprises

Suncity Enterprises

Suncity Enterprises

Suncity Enterprises

Suncity Enterprises

Suncity Enterprises

Suncity Enterprises