Conversion of LT OH lines with LT UG/AB cables in Puducherry and Karaikal and replacement of defective capacitor banks at 110/22KV SS and 110/11KV SS in all four regions in UT of Puducherry under RDSS project

Amount

Total Price Schedule No. 1

Supply of Plant and Equipments/ materials

Total Price Schedule No. 2

Installation / Erection, testing and commissioning Charges

Description of Work / Item(s)

SUPPLY PORTION Survey, Design, manufacture, testing, supply at site of the followings :- New LT UG cables and LT Aerial Bunched cables by replacing the existing LT overhead conductors and other associated works

300 Sqmm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 3 ½ core 1100V Al UG cable

Straight through joint suitable for 3 ½ core 300 Sqmm 1100V Al UG cable

LT Compound

600Amps 6 way LT Distribution Pillar boxes with Fuse switch unit and with 4 nos of CTs of appropriate capacities with provision for mouting Smart Trivector Energy meter and modem inside this Pillar box with provision for mounting antena outside the pillar box.

800Amps 6 way LT SS Pillar boxes with 4 nos of CTs of appropriate capacities with provision for mouting Smart Trivector Energy meter and modem inside this Pillar box with provision for mounting antena outside the pillar box.

Pipe in pipe earth electrodes with chemical back fill compound earthing and allied acessaries and materials confirming to IS 3043.

GI Pipe 150 mm dia

16 Sqmm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 4 core 1100V Al UG cable

50 mm dia HDPE pipe PE 100 PN 8

SMC junction box with MCB for loop in loop out for street light connection

1100 volts 2 sqmm 3 core straned armed copper cable

Brick

7.32 Mtrs RCC pole.

RCC Base plate for RCC poles 7.32 mtrs

Distribution box with pole mounting arrangements, 3 phase, (1-incomming, 4 out going)

Piercing connector suitable for 35 Sqmm - 95 Sqmm AB Cable - for connection from main ABC to DB

Piercing connector suitable for 16 Sqmm Street Light Connections

Piercing connector for ABC to ABC Tee connection

Suspension Clamp Assembly including pole clamps

Dead End Clamp/Anchor Clamp Assembly including brackets, pole clamps suitable for LT ABC

GI Universal Hook, Bolts & nuts

Pre insulated Cable Straight thru' joint kits suitable for 3x50 + 1x16 + 1x35 Sqmm (Each set comprising all sizes required for ABC jointing)

Pre insulated Cable Straight thru' joint kits suitable for 3x70 + 1x16 + 1x50 Sqmm (Each set comprising all sizes required for ABC jointing)

Pre insulated Cable Straight thru' joint kits suitable for 3x95 + 1x16 + 1x70 ABC cable)(Each set comprising all sizes required for ABC jointing)

Pre-Insulated lugs-CPTAU for 70/35/16 Sqmm

End cap for 95/70/35/16 sqmm ABC

Stay Set Complete

PVC Insulated Aluminium whether proof wire 10 Sqmm for DB connection to service connection

PVC Insulated Aluminium whether proof wire 16 Sqmm for ABC to DB connection/service connection.

PVC Insulated Aluminium whether proof wire 25 Sqmm for ABC to DB connection.

PVC Insulated Aluminium wire 3 core 4 sqmm for ABC to street light

Earthing (Coil) and other accessaries (complete set for each pole)

Cable tie (each packet contains 100 nos)

Satellite connectors for consumer connection

service clamps and bracket

Insulation tape (red / yellow / black)

Staiinless Steel strap

Stainless steel Buckles

1.1 kV Class 3 Phase Aerial Bunched Aluminium Cable of size 3x50 + 1x16 + 1x35 Sqmm insulated messenger

1.1 kV Class 3 Phase Aerial Bunched AluminiumCable of size 3x70 + 1x16 + 1x50 Sqmm insulated messenger

1.1 kV Class 3 Phase Aerial Bunched AluminiumCable of size 3x95 + 1x16 + 1x70 Sqmm insulated messenger

1.1 kV Class 3 Phase Aerial Bunched AluminiumCable of size 3x50 + 1x35 Sqmm insulated messenger

1.1 kV Class 3 Phase Aerial Bunched AluminiumCable of size 3x70 + 1x50 Sqmm insulated messenger

1.1 kV Class 3 Phase Aerial Bunched AluminiumCable of size 3x95 + 1x70 Sqmm insulated messenger

95 Sqmm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 3 ½ core 1100V Aluminium UG cable

125mm dia HDPE pipe (PE-100, PN 8)

Pre-Insulated lugs-CPTAU for 95sqmm UG cable

GI Bolts, Nuts and Binding wire etc.(complete set for each pole)

Automatic street light control box with timer switch

Name board & Caution/ Danger board

SUPPLY PORTION Provision of capacitor banks by replacing the existing defunct capacitor banks in 110/22KV and 110/11KV Substations in UT of Puducherry. Survey, Design, manufacture, factory testing, supply at site of the followings : Supply of 11KV Capacitor Banks and allied equipments/ materials

11KV, 2 x 1200 Kvar Capacitor Bank, post insulator support and GI support structure for mounting capacitor banks and other allied accessaries

Isolator with Earth switch 11kV, 800A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator and verticaly operated Earth switch along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete set with GI support structure and clamps

Isolator with out Earth switch 11kV, 800A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete set with GI support structure and clamps

11kV, 800A, 25kA for 3 seconds, 3-ph, Outdoor type Porcilain clad Vacuum Circuit breaker with all required machanical and electrical control gears, Support stucture and marshelling box suitable for Capacitor switching duty with GI support structure.

11kV, 25KA for 3 sec, 1-Phase, 400-200-100/1-1-1A 0.5 , 15 VA/5P20/5P20 outdoor type Current Transformers with 120% extended current ratings along with junction box (1 no junction box for 3 no of 1-phase CTs), mounting arrangement , GI support structure, Bimetalic clamps etc.

11KV/ rt3/110V/Rt3 Potential Transformer- 0.5/ 3P, 0.5- 30VA

9 kV, 10kA, 1-ph Station Class Lightening Arrester ( class-2) with mounting platform, clamps other required hardwares etc and clamps

NCT of ratio 5/1-1Amps complete with structures, connecting strips and terminal clamp etc. to be mounted on capacitor bank structures

Series Reactor complete with support structures, connecting strips and terminal clamp etc

Control & Relay panel for 11 KV, 2400 KVAR capacitor bank simplex type for control of single 2400Kvar capacitor bank bay

Laying of 11KV UG cable under ground through HDPE pipe

11 KV, 3 core 400 sq.mm XLPE insulated Armoured Screened Type Al UG cable

Heat shrinkable outdoor end termination suitable for 3 core 400 sq.mm XLPE insulated Armoured Screened Type 11KV Al UG cable

Provision of 11KV outdoor equipments in the 11KV bays in the existing substations for incommer bay for controling the capacitor bank

11kV, 1250 A, 25kA for 3 seconds, 3-ph, Outdoor type Porcilain clad Vacuum Circuit breaker with all required machanical and electrical control gears, Support stucture and marshelling box suitable for Capacitor switching duty.

Isolator with out Earth switch 11kV, 1250A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), Gang Operated, along with Support Insulators, Operating Mechanism, Base Channel down Pipe, GI suport structures and all required accessories complete set

Isolator with Earth switch 11kV, 1250A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator and verticaly operated Earth switch along with Support Insulators, Operating Mechanism, Base Channel down Pipe, GI suport structures and all required accessories complete set

11kV, 25KA for 3 sec, 1-Phase, 400-200-100/1-1-1-1A outdoor type Current Transformers with 120% extended current ratings along with junction box (1 no junction box for 3 no of 1-phase CTs), mounting arrangement , support structure, Bimetalic clamps etc.

Control & Relay panel with IED based Bay control unit(BCU) Mimic Diagram, Voltmeter, Ammeter, MFN with mod bus , Annunciation Windows with annunciation relays and other components etc. for 11KV line control and protection. The Bay control unit shall be provided with E/F & O/C relays in addition to other features/fuctions as required.

9 kV, 10kA, 1-ph Station Class Lightening Arrester ( class-2) with mounting platform, clamps other required hardwares etc

11KV Bus extension work in the existing substations( Bus extension to be provided for 2 nos of 11KV line bay in each substation)

H-Fame consisting of 2 nos 6.7mts height G.I Tower with base plates and with 1.5mts height tower cone top and 2mts. height earth spike interlinked with 3.8 mts horizantal gantry structures fitted at 6.7 mts height -- 2nos ( Required for stringing the Zebra ACSR conductor for 11KV Bus for accomodating two nos of 11KV bays) (Complet set 2 nos for each substation works consititute one set)

GI structures consist of the following and suitable for forming the new 11KV line bays:- i) 6.7mts height G.I Tower with base plates and with 1.5mts height tower cone top and 2mts. height earth spike (Required for forming casecading H-frames at the height of 4.175 mts and at 6.7mts for feeders gantry for outgoing feeder) (Complet set) - 3 nos ii) 4.175mts height G.I Tower with base plates (Required for forming casecading H-frames at the height of 4.175 mts for 11KV line bays) - 2 nos iii) 3.8 mts length horizantal gantry structures (Required to form cascading H- Frame with vertical GI structures) - 6 nos iv) 2 inch Aluminium tube of suitable thickness for forming the 3 phase 11 KV bus below the 11KV strung bus for 2 nos of 11KV line bays - Required length v) 11KV Bus post insulator with suitable mountiong arrangements for supporting the 2 inch Aluminium tubes. - 6 Nos (The above said all items to be provided at each substation constitute 1 Set)

11KV antifog porciilan disc insulators with meatal parts for 11KV bus stringing work

Tension fitting Hardware items for insulator strings for 11KV bus stringing for 2 nos of line bays (Complete set)

Survey Desingn, manufacture, factory tersting, supply at site of the followings :- Supply of 22 KV Capacitor Banks and allied equipments/ materials

22KV, 2 x 1200 Kvar Capacitor Bank, Support insulators and GI support structure for mounting capacitor banks and other allied accessaries

Isolator with Earth switch 22kV, 800A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator and verticaly operated Earth switch along with Support Insulators, Operating Mechanism, Base Channel down Pipe,GI support structure and all required accessories complete set with GI support structure and clamps

Isolator with out Earth switch 22kV, 800A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe, GI support structure and all required accessories complete set with GI support structure and clamps

22kV, 800A, 25kA for 3 seconds, 3-ph, Outdoor type Porcilain clad Vacuum Circuit breaker with all required machanical and electrical control gears, Support stucture and marshelling box suitable for Capacitor switching duty with GI support structure.

22kV, 25KA for 3 sec, 1-Phase, 400-200-100/1-1-1-1A outdoor type Current Transformers with 120% extended current ratings along with junction box (1 no junction box for 3 no of 1-phase CTs), mounting arrangement , GI support structure, Bimetalic clamps etc.

22 KV/ rt3/110V/Rt3 Potential Transformer- 0.5/ 3P, 0.5- 30VA

18 kV, 10kA, 1-ph Station Class Lightening Arrester ( class-2) with mounting platform, clamps other required hardwares etc and clamps

NCT of ratio 5/1-1Amps complete with structures, connecting strips and terminal clamp etc. suitable for 22KV capacitor banks

Series Reactor complete with structures, connecting strips and terminal clamp etc suitable for 22KV capacitor banks

Control & Relay panel for capacitor bank Duplux type for control of 22 KV, 2 x 2400 KVAR capacitor bank bay

Laying of 22 KV UG cable under ground through HDPE pipe

22 KV, 3 core 400 sq.mm XLPE insulated Armoured Screened Type Al UG cable

Heat shrinkable outdoor end termination suitable for 3 core 400 sq.mm XLPE insulated Armoured Screened Type 22KV Al UG cable

Provision of 22KV outdoor equipments in the 22 KV bays in the existing substations for incommer bay for controling the capacitor bank

22kV, 1250A, 25kA for 3 seconds, 3-ph, Outdoor type Porcilain clad Vacuum Circuit breaker with all required machanical and electrical control gears, GI Support stucture and marshelling box suitable for Capacitor switching duty.

Isolator with out Earth switch 22 kV, 1250A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), Gang Operated, along with Support Insulators, Operating Mechanism, Base Channel down Pipe, GI support structure and all required accessories complete set (mode of operation (Motor or manualshould be as per specification)

Isolator with Earth switch 22 kV, 1250A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator and verticaly operated Earth switch along with Support Insulators, Operating Mechanism, Base Channel down Pipe, GI support structure and all required accessories complete set (mode of operation (motor or manual)should be as per specification)

22 kV, 25KA for 3 sec, 1-Phase, 400-200-100/1-1-1-1A outdoor type Current Transformers with 120% extended current ratings along with junction box (1 no junction box for 3 no of 1-phase CTs), mounting arrangement , GI support structure, Bimetalic clamps etc.

Control & Relay panel with IED based Bay control unit(BCU) Mimic Diagram, Voltmeter, Ammeter, MFN with mod bus , Annunciation Windows with annunciation relays and other components etc. for 22 KV line control and protection. The Bay control unit shall be provided with E/F & O/C relays in addition to other features/fuctions as required.

18 kV, 10kA, 1-ph Station Class Lightening Arrester ( class-2) with mounting platform, clamps other required hardwares etc

22 KV Bus extension work in the existing substations( Bus extension to be provided for 2 nos of 22 KV line bay in each substation)

H-Fame consisting of 2 nos 6.7mts height G.I Tower with base plates and with 1.5mts height tower cone top and 2mts. height earth spike interlinked with 3.8 mts horizantal gantry structures fitted at 6.7 mts height -- 2nos ( Required for stringing the Zebra ACSR conductor for 22 KV Bus for accomodating two nos of 22 KV bays) (Complet set 2 nos for each substation works consititute one set)

GI structures consist of the following and suitable for forming the new 22KV line bays:- i) 6.7mts height G.I Tower with base plates and with 1.5mts height tower cone top and 2mts. height earth spike (Required for forming casecading H-frames at the height of 4.175 mts and at 6.7mts for feeders gantry for outgoing feeder) (Complet set) - 3 nos ii) 4.175mts height G.I Tower with base plates (Required for forming casecading H-frames at the height of 4.175 mts for 22KV line bays) - 2 nos iii) 3.8 mts length horizantal gantry structures (Required to form cascading H- Frame with vertical GI structures) - 6 nos iv) 2 inch Aluminium tube of suitable thickness for forming the 3 phase 22 KV bus below the 22 KV strung bus for 2 nos of 22 KV line bays - Required length v) 22 KV Bus post insulator with suitable mountiong arrangements for supporting the 2 inch Aluminium tubes. - 6 Nos (The above said all items to be provided at each substation constitute 1 Set)

11KV antifog porciilan disc insulators with meatal parts for 22 KV bus stringing work

Tension fitting Hardware items for insulator strings for 22 KV bus stringing for 2 nos of line bays (Complete set)

ACSR conductor

ACSR PANTHER conductor

ACSR Zeebra conductor

LT Aluminium Power Cable

25 sqmm 4 core XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 1100V Al UG cable

1100 volts Control cable

1.1KV,4 core 2.5 sqmm armoured PVC insulated multistrand copper control cable

1.1KV,10 core 2.5 sqmm armoured PVC insulated multistrand copper control cable

1.1KV,19 core 2.5 sqmm armoured PVC insulated multistrand copper control cable

Sturng bus for 11KV and 22KV Capacitor bank yard

RSJ poles 150x75mm 9 mtrs

Base plat for 9 mtrs RSJ poles

GI Channel 75x40x6mm

GI L angel 80x80x6mm

11 KV antifog porciilan disc insulators with meatal parts for 11KV & 22 KV bus stringing work

Tension fitting Hardware items for insulator strings for 11KV & 22 KV bus stringing (Complete set)

Earthings

40 mm MS rod for earth mat

GI flats 50x6 mm for raiser and equipment earthing interconnections

150 mm dia GI pipe

Pipe in pipe Earth Electrodes with chemical back fill compounds for forming the earth pits.

GI Nuts & bolts

GI and SS Nuts & bolts of all required sizes

HT Trough

11KV Heat shrikable tubes for outdoor applications for covering the interconnection jumpers/parts using Panther conductor

22KV Heat shrikable tubes for outdoor applications for covering the interconnection jumpers/parts using Panther conductor

Name board & Caution/ Danger board

Description of Work / Item(s)

Survey, Desingn, Erection testing and commissioning of the followings for the new LT UG cables and LT Aerial Bunched cables by replacing the existing LT overhead conductors and other associated works:-

Survey of over head line to be converted in to LT UG cable and survey for new LT cable laying route, take-off points and Pillar box location spotting, preparation of survey report with route maps and obtaining approval of Electricity Department.

Dismantling of existing identified over head lines conductors, poles, insulators and other items wherever required (excluding the street light poles) and depositing to Employer's store

Installation, testing and commissioning of 600Amps 6 way LT Distribution Pillar Boxes on the plinth foundation. Which also includes local transportations, Crane charges, Cable terminations(Supply of ferrules, insulation tapes other required items included), construction of suitable civil plinth foundation, provision of pipe in pipe earth electrodes and thier terminations with pillar boxes. which also includes supply of all civil and other materials and labour

Installation, testing and commissioning of 800Amps 6 way LT SS Pillar Boxes on the plinth foundation. Which also includes local transportations, Crane charges, Cable terminations(Supply of ferrules, insulation tapes other required items included), construction of suitable civil plinth foundation, provision of pipe in pipe earth electrodes and thier terminations with pillar boxes. which also includes supply of all civil and other materials and labour

Laying of one run of 300 sqmm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 3 ½ core 1100V Al UG cable direct in ground including excavation of trench of size 0.5 m (W) x 1.2 m (D), sand cushioning, protective covering with bricks and refilling the trench, disposal of unserviceable materials as required in Bitouminous and Concrete Road (including supply of sand) for interlinkingt of various Pillar boxes. which includes all charges and labours.

Laying of one run of 300 sq.mm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 3 ½ core 1100V Al UG cable through GI Pipe of size 150mm dia in ground including excavation of trench of size 0.5 m (W) x 1.2 m (D), sand cushioning and refilling the trench, disposal of unserviceable materials as required in Bitouminous and Concrete Road (including supply of sand) for road and all other crossings. which includes all charges and labours.

Laying of additional one run of 300 sq.mm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 3 ½ core 1100V Al UG cable for end loose and raiser of required length for each end near the take off and termination points and provision of rings of suitable length wherever required

Laying of one run of HDPE Pipe of size 125 mm dia direct in ground and drawing of 95 sqmm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 3 ½ core 1100V Al UG cable through HDPE pipe in ground including excavation of trench of size 0.5 m (W) x 1.2 m (D), sand cushioning, and refilling the trench, disposal of unserviceable materials as required in Bitouminous and Concrete Road (including supply of sand).

Provision of HDPE pipe over the 7.32 Mtrs RCC poles with mounting clamps for provision of raisers of required lengths of 95sqmm cable.

Laying of 95 sq.mm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 3 ½ core 1100V Al UG cable as raiser through HDPE pipe mounted on RCC poles for interconnetion with ABC to ABC cable on both side of the street roads. which includes all charges and labours. which also includes the provision of sufficient end loose wherever required.

Laying of one run of HDPE Pipe of size 50 mm dia direct in ground and drawing of 16 sqmm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 4 core 1100V Al UG cable through HDPE pipe in ground including excavation of trench of size 0.5 m (W) x 1.2 m (D), sand cushioning, and refilling the trench, disposal of unserviceable materials as required in Bitouminous and Concrete Road (including supply of sand).

Laying of additional one run of 16 sq.mm XLPE Insulated (HEAVY DUTY) Armoured PVC Sheathed 4 core 1100V Al UG cable for raiser of required length through the HDPE pipe to be mounted on street light poles for loop in and loop out of street light cable for each poles

Mounting of SMC junction box in the street light poles and termination with 16 sqmm 4 core UG cable

Tremination from junction box to street light luminaries with 3 core 2 sqmm copper cable

Excavation of pole pit (of depth 1/6th of pole length) for the erection of 7.32 Mtrs RCC poles

Erection of 7.32 Mtrs RCC poles in the excavated pole pits for LT ABC feeder by providing and installing base plate, Earthings, pole numbering including cement concreting (Supply of civil materials included) etc, which also includes all other civil and other materials, labor and transport as required per site conditions.

Excavation of stay pit and erection of complete stay set with all accessaries and fittings with GI stay wire, binding of stay wire, by providing Guy stay insulators and provion of concreting ( Supply of civil material included). which also includes all other civil and other materials, labor and transport as required per site conditions.

Fabrication & Erection of GI materials like Channels, Angles, universal hooks, suspension and dead end clamps, pole brackets, etc. It includes whcihever items wherever to be fixed as per the requirements.

Erection of 1.1 kV Aerial Bunched Conductor of sizes 3x95 + 1x16 + 1x70, 3x70 + 1x16 + 1x50, 3x50 + 1x16 + 1x35 Sqmm, including Hoisting, stringing, jointing, sagging, tensioning & route clearance with fixing of cable end caps etc. and providing whether proof take-off arragements from DTs or the tapping points of the existing lines/cables

Erection of 1.1 kV Aerial Bunched Conductor of sizes 3x95 +1x70, 3x70 +1x50, 3x50 + 1x35 Sqmm, including Hoisting, stringing, jointing, sagging, tensioning & route clearance with fixing of cable end caps etc. and providing whether proof take-off arragements from DTs or the tapping points of the existing lines/cables

Erection of Automatic street light timer controller Box on the poles/plinth, as the case may be and thier termination with main ABC cable with insulation Piercing connectors/ termination with pillar boxes/ lines.

Fixing of Insulation Piercing Connector for Street Light Connection including connection with 16 sqmm AB Cable.

Mounting of Distribution boxes on poles

Provision of termination from AB cable to Distribution boxes through 16/25 sqmm Al whether proof wires with insulated piercing connectors.

Replacement of existing service connection cable with 10/16 sqmm Al whether prrof wire and their termination with energy meters. Supply of spacers,ferrules/lugs included.

Staying complete (LT)

Earthing complete with earth spike and G.I. Wire/ pipe.

Fixing of name board wherever required

Survey, Desingn, Erection testing and commissioning of the followings for the 11KV Capacitor banks:-

Survey of Substation campus for identification of suitable outdoor site for the location of capacitor bank, for incommer 11KV bay at 11KV switch yard, survey of 11KV UG cable route from incomer bay to the proposed capacitor bank location to be indetified, preparation of survey report and drawings with location sktch with capacitor bank instalation, cable route and obtaining approval of Electricity Department. (one job constitute complete above described work at each substation)

Dismanteling of existing structures, equipments etc.and depositing to Employer's store , cutting of trees, wherever required and their safe disposal to the designated site and leveling of site to a requred hieght as required (one job constitute complete above described work at each substation)

Erection, of 11KV, 2400 KVar capacitor bank with NCTs and series reactors & LAs. Which includes, construction of foundation of required dimension and hieght by provision of reinforced concreate, erection of GI support sturcture of required hieght, mounting of the 2400 Kvar 11KV capacitor banks, NCT, seiries reactors & LAs over support structure.(Supply of all size clamps of required quatities included). Provision of Earthings, Laying of various sizes of power and control cables through trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel & other materials and labour and machines (one job constitute complete above described work)

Erection of 11kV, 800 A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator and verticaly operated Earth switch along with Support Insulators, Operating Mechanism, Which includes, construction of foundation of required dimention and hieght by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the isolator over support structure. Provision of Earthings, Laying of various sizes of power and control cables through trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel , all required size clamps & other materials and labour and machines (one job constitute complete above described work)

Erection of 11kV, 800A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator along with Support Insulators, Operating Mechanism,. Which includes, construction of foundation of required dimention and hieght as required by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the isolator over support structure. Provision of Earthings, Laying of various sizes of power and control cables over trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel, all required sizes of clamps & other materials and labour and machines (one job constitute complete above described work)

Erection of 11kV, 25KA for 3 sec, 1-Phase, 400-200-100/1-1-1-1A outdoor type Current Transformers. Which includes, construction of foundation of required dimention and hieght as required by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the Current Transformer over support structure. Provision of Earthings, Laying of various sizes of power and control cables over trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel, all required sizes of clamps & other materials and labour and machines (one set constitute complete above described work with erection of 3 nos of CTs

Erection of 11kV Potential Transformer. Which includes, construction of foundation of required dimension and hieght as required by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the isolator over support structure. Provision of Earthings, Laying of various sizes of control cables over trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel, all required sizes of clamps & other materials and labour and machines (one job constitute complete above described work with erection of 3 nos of PTs)

Erection of C&R panel simplex type at each existing 110/11KV substation control room building for 11KV 2400KVar capacitor banks and their interconnections with various equipments and provision of earthings.

Provision of ACSR conductor jumpers and interconnections between capacitor banks and various equipments and provision of heat shrinkable tube laminations over the live parts as required, supply of all required sizes Aluminium clamps included. (one job constitute complete above described work)

Provision of Earth mat grid under ground with required depth with 40mm MS rod at capacitor bank yard and its connection with the main substation earth mat grid with 40mm MS rod. Which includes welding (supply of welding rodes included), bending, provision of raisers, etc. Which also includes the supply of f all other materials, labour and machines (one job constitute complete above described work)

Provision of earthpits with pipe in pipe earth elecrodes with chemical backfill compounds( supply of pipe in pipe earth electrodes and thier interconnection to the equipments included

Construction of boundary for the capacitor bank switchyard and provision of metal gelly of suitable size over the PCC layer and construction of cable trenches from near by cable trench by extension. Supply of all required civil and other materials, machnes, transportation, labour included.

Testing and commissioning of capacitor bank in all respect with all other equipments and devices (one job constitute complete above described work at each substation)

Fixing of name board wherever required

Formation of 11KV strung single Bus within 11KV Capacitor bank yard

Erection of 9 Mtrs RSJ poles in the excavated pole pits by providing and installing base plate, including cement concreting (Supply of civil materials included) etc, which also includes all other civil and other materials, labor and transport as required per site conditions.

Erection of pre-fabricated GI materials items on 9 Mtrs RSJ poples like 75x40 mm Chanels, 80x80x6mm L angles, clamps and supports, GI Nuts, bolts & washers as required for mounting which also includes all other civil and other materials, labor and transport.( one job consititute all work involved for one set of single bus )

Erection of 11 kV Disc insulators including their hardware fittings, clamps.which also includes all other materials, labor and transport as required per site conditions.(6 nos=1set)

Stringing of 11KV 3 phase single Bus with panther conductor, bolting, jumpering etc. ( one job consititute all work involved for one set of single bus )

Provision of earthing with 50x6mm GI flat and connection to main earth grid raiser( one set constitute provision of earthigs for single bus)

Laying of 11KV Under ground cable

Provision of GI pipe with GI angles, support foundation for providing raisers near incomer bay and at capacitor bank yard.Which also includes the supply of all clamps, all civil / steel & other materials and labour and machines (one job constitute complete above described work at each substation)

Laying of one run of 3 core 400 sq.mm XLPE insulated Armoured Screened Type 11KV Al UG cable direct in ground in substation campus. Which includes, excavation of trench of size 0.5 m (W) x 1.2 m (D), sand cushioning, protective covering with RCC trough and refilling the trench, disposal of unserviceable materials as required as per site conditions (supply of sand included). Supply and provision of straight through joints wherever necessary. Supply of civil and other materials, labour as required are included.

Provision of end loose and raiser near incomer bay and at capacitor bank yard

Provision of outdoor heate shrinkable end termination for 3 core 400 sq.mm XLPE insulated Armoured Screened Type 11KV Al UG cable

Erection and commissioning of 11KV bay equipments in the existing substation: (Design, engineering, erection, testing and commissioning of following equipments/ items considering original equipment manufacturer recommendation including construction of foundation wherever if required,( supply of suitable size foundation bolts included) Construction of cable trenches by extending from the nearby trenches wherever required etc. This also includes all materials, transportations, charges and labours)

11kV, 1250A, 25kA for 3 seconds, 3-ph, Outdoor type Porcilain clad Vacuum Circuit breaker. (This also includes the provision of working platform for operation of the circuit breaker, termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements, provision of droper jumpers from 11 KV bus to equipments or equipments to equipments as the case may be. Provision of all types of clamps included).

1250 A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), Gang Operated. (This also includes the provision of termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements, provision of droper jumpers from 11 KV bus to equipments or equipments to equipments as the case may be. Supply & Provision of all types of clamps included).

11kV, 1250A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR) and verticaly operated Earth switch. (This also includes the provision of termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements, provision of droper jumpers from 11 KV bus to equipments or equipments to equipments as the case may be. Supply & Provision of all types of clamps included).

11kV, 25KA for 3 sec, 1-Phase, 400-200-100/1-1-1-1A outdoor type Current Transformers with 120% extended current ratings along with junction box (1 no junction box for 3 no of 1-phase CTs). (This also includes the provision of termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements, provision of droper jumpers from 11 KV bus to equipments or equipments to equipments as the case may be. Supply & Provision of all types of clamps included).(provision of 3 nos of CTs constitute one job)

Control & Relay panel with IED based Bay control unit(BCU). (This also includes the provision of termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements. Provision of necessary connections to the existing SAS or RTU, wherever required, is also included).

9 kV, 10kA, 1-ph Station Class Lightening Arrester ( class-2).(This also includes the provision of proper earthing arrangements, provision of droper jumpers from 11 KV bus to equipments or equipments to equipments as the case may be. Provision of all types of clamps included). (Provision of 3 nos of LAs constitute one job)

Provision of earthpits with pipe in pipe earth elecrodes with chemical backfill compounds( supply of pipe in pipe earth electrodes and thier interconnection to the equipments included

Provision of meatal jelly of required size, if required, matching the existing size of the matal jelly

Fixing of name board

Design, engineering, erection, testing and commissioning of 11KV single main Bus by way of extension of the existing Bus in the various existing substations ( Bus extension to be provided for 2 nos of 11KV line bay in each substation)

Design, engineering, erection, testing and commissioning of H-Fame consisting of 2 nos 6.7mts height G.I Tower with base plates and with 1.5mts height tower cone top and 2mts. height earth spike interlinked with 3.8 mts horizantal gantry structures fitted at 6.7 mts height ( Required for stringing the Zebra ACSR conductor for 11KV Bus for accomodating two nos of 11KV bays) . This also includes provision of foundations with foundation bolts for fixing the vartical structure with foundation bolts. This also includes supply of foundation bolts, all required civil and other materials, transportations, charges and labours

Design, engineering, erection, testing and commissioning of GI structures consist of the following and suitable for forming the new 11KV line bays:- i) 6.7mts height G.I Tower with base plates and with 1.5mts height tower cone top and 2mts. height earth spike (Required for forming casecading H-frames at the height of 4.175 mts and at 6.7mts for feeders gantry for outgoing feeder) (Complet set) - 3 nos ii) 4.175mts height G.I Tower with base plates (Required for forming casecading H-frames at the height of 4.175 mts for 11KV line bays) - 2 nos iii) 3.8 mts length horizantal gantry structures (Required to form cascading H- Frame with vertical GI structures) - 6 nos iv) 2 inch Aluminium tube of suitable thickness for forming the 3 phase 11 KV bus below the 11KV strung bus for 2 nos of 11KV line bays - Required length v) 11KV Bus post insulator with suitable mountiong arrangements for supporting the 2 inch Aluminium tubes. - 6 Nos (The above said all items to be provided at each substation constitute 1 Set). This also includes provision of foundations with foundation bolts for fixing the structure. This also includes supply of foundation bolts, all required civil and other materials, transportations, charges and labours

Stringing of 11KV 3 phase Bus with Zebra conductor. This also includes fixing of meatal hardwares and disc insulators, stringing, bolting, all jumpering and linking the new 11KV Bus with the existing 11KV Bus with zebra conductor etc. All charges included. (one job constitute complete above described work at each substation)

Formation of 2" Aluminium tubes 3 phase bus accros horizantal beams at 4.175mts height below the 11KV strung bus for each 11KV bay by mounting the Aluminium tube on support insulators on one side and on 11KV isolators on other side with suitable Aluminium clamps. This also includes provision of droper jumpers between strung bus and the aluminium tube bus with phanther and zebra conductors as the case may be with sutable size aluminium clamps as per the requirements. Supply of all other required materials, transportation and labour included. 1 Job = work at each 11KV bay)

Extension of main earth mat with 40mm MS rod and provision of raisers for all equipments for 2 nos of 11KV bays and provision of earth pits as required.Which also includes the supply of all other materials, labour and machines (one job constitute complete above described work at each substation)

Construction of boundary for the extended swtchyard and provision of metal gelly of suitable size over the PCC layer and construction of cable trenches from near by cable trench by extension. Supply of all required civil and other materials, transportation, labour included for 2 nos of bays.(one job constitute complete above described work at each substation)

Survey, Desingn, Erection testing and commissioning of the of the followings for the 22KV Capacitor banks:-

Survey of Substation campus for identification of suitable outdoor site for the location of capacitor bank, for incommer 22KV bay at 22KV switch yard, survey of 22 KV UG cable route from incomer bay to the proposed capacitor bank location to be indetified, preparation of survey report and drawings with location sktch with capacitor bank instalation, cab;e route and obtaining approval of Electricity Department. (one job constitute complete above described work at each substation)

Dismanteling of existing structures, equipments etc.and depositing to Employer's store , cutting of trees, wherever required and their safe disposal to the designated site and leveling of site to a requred hieght as required (one job constitute complete above described work at each substation)

Erection, of 22 KV, 2400 KVar capacitor bank, NCTs and series reactors & LAs. Which includes, construction of foundation of required dimention and hieght as required by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the 2400 KVar 22KV capacitor banks, NCT and seiries reactors & LAs over support structure. Provision of Earthings, Laying of various sizes of power and control cables over trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel, Supply & Provision of all types of clamps & other materials and labour and machines (one job constitute complete above described work)

Erection of 22 kV, 800A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator and verticaly operated Earth switch along with Support Insulators, Operating Mechanism, Which includes, construction of foundation of required dimention and hieght as required by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the isolator over support structure. Provision of Earthings, Laying of various sizes of power and control cables over trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel, Supply & Provision of all types of clamps & other materials and labour and machines (one job constitute complete above described work)

Erection of 22 kV, 800A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), isolator along with Support Insulators, Operating Mechanism,. Which includes, construction of foundation of required dimention and hieght as required by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the isolator over support structure. Provision of Earthings, Laying of various sizes of power and control cables over trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel, Supply & Provision of all types of clamps & other materials and labour and machines (one job constitute complete above described work)

Erection of 22kV, 25KA for 3 sec, 1-Phase, 400-200-100/1-1-1-1A outdoor type Current Transformers. Which includes, construction of foundation of required dimention and hieght as required by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the Current Transformer over support structure. Provision of Earthings, Laying of various sizes of power and control cables over trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel, Supply & Provision of all types of clamps & other materials and labour and machines (one job constitute complete above described work with erection of 3 nos of CTs)

Erection of 22 kV Potential Transformer. Which includes, construction of foundation of required dimension and hieght as required by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the isolator over support structure. Provision of Earthings, Laying of various sizes of control cables over trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel, Supply & Provision of all types of clamps & other materials and labour and machines (one job constitute complete above described work with erection of 3 nos of PTs)

Erection of 22 kV, 800A, 25kA for 3 seconds, 3-ph, Outdoor type Porcilain clad Vacuum Circuit breaker. Which includes, construction of foundation of required dimention and hieght as required by provision of Reinforced concreate, erection of GI support sturcture of required hieght, mounting of the isolator over support structure. Provision of Earthings, Laying of various sizes of power and control cables over trench and thier terminations at switch yard and at control room (Supply of ferrules and lugs of requiored sizes and quantities included).Which also includes the supply of foundation bolts, all civil / steel, Supply & Provision of all types of clamps & other materials and labour and machines (one job constitute complete above described work)

Provision of ACSR conductor jumpers and interconnections between capacitor banks and various equipments and provision of heat shrinkable tube laminations over the live parts as required (one job constitute complete above described work for each 2400Kvar capacitor bank). Supply & Provision of all types of clamps

Erection of Duplex type C&R panel at each existing 110/22KV substation control room building for control and protection of 2 nos of 22KV 2400KVar capacitor banks and their interconnections with various equipments and provision of earthings.

Provision of Earth mat grid under ground with required depth with 40mm MS rod at capacitor bank yard and its connection with the main substation earth mat grid with 40mm MS rod. Which includes welding (supply of welding rodes included), bending, provision of raisers, etc. Which also includes the supply of f all other materials, labour and machines (one job constitute complete above described work at each substation)

Provision of earthpits with pipe in pipe earth elecrodes with chemical backfill compounds( supply of pipe in pipe earth electrodes and thier interconnection to the equipments included

Construction of boundary for the capacitor bank swtchyard and provision of metal gelly of suitable size over the PCC layer and construction of cable trenches from near by cable trench by extension. Supply of all required civil and other materials, machine, transportation, labour included.( One job constitute above works at each substations)

Testing and commissioning of capacitor bank in all respect with all other equipments and devices (one job constitute complete above described work at each substation)

Fixing of name board wherever required

Formation of 22KV strung single Bus within 22KV Capacitor bank yard

Erection of 9 Mtrs RSJ poles in the excavated pole pits by providing and installing base plate, including cement concreting (Supply of civil materials included) etc, which also includes all other civil and other materials, labor and transport as required per site conditions.

Erection of pre-fabricated GI materials items on 9 Mtrs RSJ poples like 75x40 mm Chanels, 80x80x6mm L angles, clamps and supports, GI Nuts, bolts & washers as required for mounting which also includes all other civil and other materials, labor and transport.( one job consititute all work involved for one set of single bus )

Erection of 11 kV Disc insulators including their hardware fittings, clamps.which also includes all other materials, labor and transport as required per site conditions.(12 nos=1set)

Stringing of 22 KV 3 phase single Bus with panther conductor, bolting, jumpering etc. Supply & Provision of all types of clamps included (one job consititute all work involved for one set of single bus )

Provision of earthing with 50x6mm GI flat and connection to main earth grid raiser

Laying of 22 KV Under ground cable

Provision of GI pipe with GI angle support foundation for providing raisers near incomer bay and at capacitor bank yard.Which also includes the supply of all clamps, all civil / steel & other materials and labour and machines (one job constitute complete above described work at each substation)

Laying of one run of 3 core 400 sq.mm XLPE insulated Armoured Screened Type 22 KV Al UG cable direct in ground in substation campus. Which includes, excavation of trench of size 0.5 m (W) x 1.2 m (D), sand cushioning, protective covering with RCC trough and refilling the trench, disposal of unserviceable materials as required as per site conditions (supply of sand included). Supply and provision of straight through joints wherever necessary. Supply of civil and other materialsas required are included.

Provision of end loose and raiser near incomer bay and at capacitor bank yard

Provision of outdoor heate shrinkable end termination for 3 core 400 sq.mm XLPE insulated Armoured Screened Type 22 KV Al UG cable

Erection of 22 KV bay equipments in the existing substation bay (Design, engineering, erection, testing and commissioning of following equipments/ items considering original equipment manufacturer recommendation including construction of foundation wherever if required,( supply of suitable size foundation bolts included) Construction of cable trenches by extending from the nearby trenches wherever required etc. This also includes all materials, transportations, charges and labours)

22 kV, 1250A, 25kA for 3 seconds, 3-ph, Outdoor type Porcilain clad Vacuum Circuit breaker. (This also includes the provision of working platform for operation of the circuit breaker, termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements, provision of droper jumpers from 22 KV bus to equipments or equipments to equipments as the case may be. Supply & Provision of all types of clamps included).

22KV 1250A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR), Gang Operated. (This also includes the provision of termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements, provision of droper jumpers from 22 KV bus to equipments or equipments to equipments as the case may be. Supply & Provision of all types of clamps included).

22 kV, 1250A, 25kA for 3 seconds, 3-ph Horizontal double break center rotating type (DBCR) and verticaly operated Earth switch. (This also includes the provision of termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements, provision of droper jumpers from 22 KV bus to equipments or equipments to equipments as the case may be. Supply & Provision of all types of clamps included).

22 kV, 25KA for 3 sec, 1-Phase, 400-200-100/1-1-1-1A outdoor type Current Transformers with 120% extended current ratings along with junction box (1 no junction box for 3 no of 1-phase CTs). (This also includes the provision of termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements, provision of droper jumpers from 22 KV bus to equipments or equipments to equipments as the case may be. Supply & Provision of all types of clamps included). (one job constitute erection of 3 nos of CTs)

Control & Relay panel with IED based Bay control unit(BCU). (This also includes the provision of termination of all power and control cables from switchyard to C&R panel at control room building of respective substations, provision of proper earthing arrangements. Provision of necessary connections to the existing SAS or RTU, wherever required, is also included).

18 kV, 10kA, 1-ph Station Class Lightening Arrester ( class-2).(This also includes the provision of proper earthing arrangements, provision of droper jumpers from 22 KV bus to equipments or equipments to equipments as the case may be. Supply & Provision of all types of clamps included).(one job constitute erection of 3 nos of LAs)

Provision of meatal jelly of required size, if required, matching the existing size of the metal jelly

Provision of earthpits with pipe in pipe earth elecrodes with chemical backfill compounds( supply of pipe in pipe earth electrodes and thier interconnection to the equipments included

Fixing of name board

Design, engineering, erection, testing and commissioning of 22KV single main Bus by way of extension of the existing Bus in the various existing substations ( Bus extension to be provided for 2 nos of 22 KV line bay in each substation)

Design, engineering, erection, testing and commissioning of H-Fame consisting of 2 nos 6.7mts height G.I Tower with base plates and with 1.5mts height tower cone top and 2mts. height earth spike interlinked with 3.8 mts horizantal gantry structures fitted at 6.7 mts height ( Required for stringing the Zebra ACSR conductor for 22KV Bus for accomodating two nos of 22KV bays) . This also includes provision of foundations with foundation bolts for fixing the vartical structure with foundation bolts. This also includes supply of foundation bolts, all required civil and other materials, transportations, charges and labours

Design, engineering, erection, testing and commissioning of GI structures consist of the following and suitable for forming the new 22KV line bays:- i) 6.7mts height G.I Tower with base plates and with 1.5mts height tower cone top and 2mts. height earth spike (Required for forming casecading H-frames at the height of 4.175 mts and at 6.7mts for feeders gantry for outgoing feeder) (Complet set) - 3 nos ii) 4.175mts height G.I Tower with base plates (Required for forming casecading H-frames at the height of 4.175 mts for 22KV line bays) - 2 nos iii) 3.8 mts length horizantal gantry structures (Required to form cascading H- Frame with vertical GI structures) - 6 nos iv) 2 inch Aluminium tube of suitable thickness for forming the 3 phase 22 KV bus below the 22KV strung bus for 2 nos of 22KV line bays - Required length v) 22KV Bus post insulator with suitable mountiong arrangements for supporting the 2 inch Aluminium tubes. - 6 Nos (The above said all items to be provided at each substation constitute 1 Set). This also includes provision of foundations with foundation bolts for fixing the structure. This also includes supply of foundation bolts, all required civil and other materials, transportations, charges and labours

Stringing of 22KV 3 phase Bus with Zebra conductor. This also includes fixing of meatal hardwares and disc insulators, stringing, bolting, all jumpering and linking the new 22KV Bus with the existing 22KV Bus with zebra conductor , etc. All charges included

Formation of 2" Aluminium tubes 3 phase bus accros horizantal beams at 4.175mts height below the 22KV strung bus for each 22KV bay by mounting the Aluminium tube on support insulators on one side and on 22KV isolators on other side with suitable Aluminium clamps. This also includes provision of droper jumpers between strung bus and the aluminium tube bus with phanther and zebra conductors as the case may be with sutable size aluminium clamps as per the requirements. Supply of all other required materials, transportation and labour included. 1 Job = work at each 22KV bay)

Extension of main earth mat with 40mm MS rod and provision of raisers for all equipments for 2 nos of 22 KV bays

Construction of boundary for the extended swtchyard and provision of metal gelly of suitable size over the PCC layer and construction of cable trenches from near by cable trench by extension. Supply of all required civil and other materials, transportation, labour included for 2 nos of bays.

BUYBACK ITEMS

Capacitor bank

11KV Circuit Breaker

22KV Circuit Breaker

11KV CT, NCT, Reactors and other items

22KV CT, NCT, Reactors and other items

Conductor materials

Iron materials

Yalavarti Projects Pvt Ltd

Yalavarti Projects Pvt Ltd

Yalavarti Projects Pvt Ltd