Construction of 220kV, SC 2-Phase Transmission Line between 400kV GSS, Ajmer to 220-25kV TSS Kishangarh with overhead and underground using 220kV XLPE Cable system 2 phase and 1 spare sections.

MAIN MATERIAL/ ITEMS

Overhead Line Section

Super structure of 220KV D/C Tower (NARROW BASE) 350 meter Span with stub and Cleat

(a) Small Angle Tower (TTB)

(b) Medium Angle Tower (TTC)

(c) Large Angle Tower (TTD) (including 2 Nos. Termination Towers)

+3 Mtr. Ext. of 220 KV D/C Tower

220 KV D/C NB TTD (350 Mtr Span)

Counductor

ACSR Zebra Conductor

ACSR Zebra Conductor hardware

(i) Single Suspension H/W for ACSR Zebra

(ii) Single Tension H/W for ACSR Zebra

(iii) M S Compression Joint for ACSR Zebra Conductor

(iv) Repair Sleeve for ACSR Zebra Conductor

(v) Vibration Damper for ACSR Zebra Conductor

Disc insulator

(a) 120 KN Disc Insulator

(b) 70 KN Disc Insulator

G.I. Nut-Bolt, Step bolt & spring washer assorted size as per requirement & technical specification

Earthing material

a) Counter Poise Earthing

b) Pipe type Earthing

Others

(a) Phase Plate

(b) Number Plate

( c ) Danger Plate

OPGW with associated hardware and fittings including suitable joint boxes

Add: Any other item bidder may require to complete the Over Head Line Section as per specification requirements

Under ground cable Section

220 KV, 630 Sq.mm Copper XLPE Cable as per foregoing specification requirements

245 kV rated voltage straight through Joint suitable for the above underground cable per foregoing specification

245 kV rated voltage straight through Joint (with provision of sheath separation) suitable for the above underground cable as per foregoing specification

245 kV rated voltage premolded outdoor end termination kit complete with accessories suitable for the above underground cable and suitable for termination in Outdoor Switchyard/ terminal tower as per the requiremnt of foregoing specification

220 kV class of 198 kV rating Surge Arrestors with grading ring, dicharge counter with Milli meter

Solid bonding Link box with Link plates, bonding & grounding cable complete with other associated accessories for 1-phase

Cross bonding link box (with SVL) with Link plates, bonding & grounding cable complete with other associated accessories for 1-phase

Earthing Material including cast iron pipes with suitable clamps, charcol, common salt etc. complete set for each Cable Circuit (each having 2 core + 1 Spare)

Terminal connector (suitable for ACSR Zebra for Outdoor Cable Termination and Surge Arrestor's)

Line differential cum distance - Numerical relay with associated accessories

Galvanized Steel Supporting Structures/arrangement on terminal towers for installation of Outdoor Cable Terminations, Surge Arrestors alongwith suitable clamping arrangement for spare cable

Warning Tapes as per Specification

OFAC & FODP (including fiber distribution frame, patch cords etc.)

Underground Optical Fiber Cable and associated accessories/items as per specification

OLTE equipments consisting of Fully Wired Cabinet with base 19" equipment rack with Control, Synchronisation, Alarm & Power supply cables- 1 No.;Central Processing Card - CPU- 2 Nos.;Power supply unit -48VDC- 2 Nos.;OLTE - 4 Port STM-1(155 Mbps Card)- 1 No.;SFP Duplex LC Connector for OLTE Card- 4 Nos.;OFC Patch Cords - 20 m- 8 Nos.;8 Port 2w/4w E&M Interface Card- 1 No.;4 Port Data Interface Card- 1 No.;4 Port Ethernet Card- 1 No.;4 Command Integrated Teleprotection Card- 1 No.;Line Differential relay interface card (min 2 ports)- 1 No.;Engineering Order Wire Phone- 1 No.;Laptop (Core i3 processor family,3.1 GHz & above, 15.0" LED, 1TB HDD, 4 GB RAM, DVD R/W) with configuration Software for all OLTE Terminals/ Equipments with preloaded licensed Microsoft Windows 10 OS as offered- 1 No.

Add: Any other item bidder may require to complete the Cable System as per specification requirements

Description of Work / Item(s)

Service part

Over head line Section

Detail Survey as per tentative route-

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

Check Survey as per approved route of line which includes-

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

Excavation

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

(i) Normal soil

(ii) Murram/Black cotton/Hard Soil/Dense soil.

(iii) Soft Rock

(iv) Hard Rock

Setting of templet & stub/anchor or bolts;-

Setting of template & stub/ anchor bolt & removal after concreting, excluding cost of excavation and concreting but including back filling with excavated/ borrowed earth (with lead & lift) in layers with ramming and watering as per specification.

(A)220 KV D/C Tower upto +6 mtr Extension

(i) 220 KV D/C TTB

(ii) 220 KV D/C TTC

(iii) 220 KV D/C TTD

Concreting:-

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

(ii) 1:3:6 Mix

(iii) 1:2:4 Mix

(iv) 1:1.5:3 Mix

Steel Reinforcement:

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

Earthing:

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

(B) Earthing of tower legs with counterpoise type earthing excluding supply of material but including excavation and back filling of all types of soil

(i) each set by laying 4 wires each 15m long at a depth of 600mm

Erection of Towers:

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

(F) 220 KV D/C Tower (Narrow Base) 350 Meter span

(i) 220 KV D/C TTB

(iii) 220 KV D/C TTC

(iv) 220 KV D/C TTD

Erection of 3 meters extension including tack welding of all bolts & nuts and application of zinc rich paint.

220 KV D/C Narrow Base Tower (350 M Span)

(IV) Large angle Tower (TTD)

Conductor Sringing:

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

(i) 2 conductor for D/C Line

OPGW Stringing:

OPGW with associated hardware and fittings including suitable joint boxes

Under ground Cable Section

SURVEY

Surveying of cable route excavation of trial holes as per field requirement, prepartion of cable route profile, drawings for cable laying , final route alignment, marking lines & grades/prepartion of final cable route darwings after approval & preparing bill of materials for complete route shown in drawings i.e. between terminal sub stations.

Evalutions of thermal resistivity of soil along cable route (as per tecnical specifications)

Cable Installation:

Handling,Transportation to site & laying of 220 KV, single core, 630 Sq mm XLPE Copper cable as per foregoing specification requirements.

Estabilishing of 01 circuit having 03 nos. (2 Phase + 1spare) 220 KV, single core, 630 Sq mm Copper cable in flat formation alongwith pilot fiber cable, providing of Warning tape, tagging, fixing, pipes for drain & gate crossing as per drawings & specification in trench by pulling, drawing etc. including cables using standard cable installation equipments as per directions of the engineer in-charge & returning of unused item in Store.

Handling & making of straight through joints for 220 KV, single core, 630 Sq mm power cable (XLPE copper cable) as per specification.

Handling and making of straight through joints (with provision for sheath separation for cross bonding) for 220kV single core power cable as per specifcation.

Handling & making of outdoor type cable end termination for 220 KV, single core, 630 Sq mm power cable (XLPE copper cable) as per specification.

Installation of 220 kV class of 198 kV rating Surge Arrestors with grading ring, dicharge counter with Milli meter

Installation of Galvanized Steel Supporting Structures/arrangement on terminal towers for installation of Outdoor Cable Terminations, Surge Arrestors alongwith suitable clamping arrangement for spare cable and suitable fencing of terminal towers as required to maintain safety and clearances as per IE rules.

Installation of solid bonding Link box with Link plates, bonding & grounding cable complete with other associated acessories for 1-phase.

Installation of Cross bonding Link box, Co-axial bonding cable, Sheath Voltage Limiters (SVL) complete with other associated acessories for each 2-phase circuit.

Installation of Earthing material including cast iron pipes with suitable clamps, charcol, common salts etc. complete set for each cable circuit (each having 2 phase + 1spare core)

Installation of Terminal connector suitable for ACSR Zebra conductor to connect cable end termination & Surge Arrestors.

Retrofitting of protection relays ( Line differential cum distance-Numerical relay with associated accessories).

Installation of Underground Optical Fiber Cable and associated accessories/items as per specification alongwith XLPE cable at both ends at Substations.

Installation of OFAC & FODP (including fiber distribution frame, patch cords etc.)

OLTE equipments consisting of Fully Wired Cabinet with base 19" equipment rack with Control, Synchronisation, Alarm & Power supply cables- 1 No.;Central Processing Card - CPU- 2 Nos.;Power supply unit -48VDC- 2 Nos.;OLTE - 4 Port STM-1(155 Mbps Card)- 1 No.;SFP Duplex LC Connector for OLTE Card- 4 Nos.;OFC Patch Cords - 20 m- 8 Nos.;8 Port 2w/4w E&M Interface Card- 1 No.;4 Port Data Interface Card- 1 No.;4 Port Ethernet Card- 1 No.;4 Command Integrated Tele protection Card- 1 No.;Line Differential relay interface card (min 2 ports)- 1 No.;Engineering Order Wire Phone- 1 No.;Laptop (Core i3 processor family,3.1 GHz & above, 15.6" LED, 1TB HDD, 4 GB RAM, DVD R/W) with configuration Software for all OLTE Terminals/ Equipments with preloaded licensed Microsoft Windows 10 OS as offered- 1 No.as offered- 1 No and integration with existing system.

CIVIL WORKS

Cutting Black Bitumen surface upto any depth including all layers of crust for laying Power Cables etc, staking of useful material and disposal of surplus debries including all leads including barricading, providing danger board/diversion board, lighting, reflectors etc.

Horizontal Direct Drilling (Trenchless Digging) method (with 250 mm HDPE pipe of minimum 6PN and strength complying to relevant ISS) wherever open cut method cannot be adopted. (If required)

Earth work in excavation for burried cable trenches/foundations including dressing of sides and ramming of bottoms, lift upto 2.5 mtr. including taking out the excavated soil & backfilling of jhiri with watering & ramming ,timbering & shoring ( wherever required ) disposal of surplus excavated soil as directed with all lead and lift including barricading, providing danger board/diversion board, lighting, reflectors etc.

Poviding and laying of Cement concrete including curing, etc using stone aggregate 40 mm nominal size (crusher broken) in foundation plinth, excluding the cost of shuttering using 1 cement: 4 sand: 8 stone aggregate (For equipment foundation, junction box etc.)

P&L cement concrete in R.C.C. work in foundation,rafts,footings,strap beams, bases of columns etc.,'including curing ,compaction,finishing with rendering in cement sand mortar 1:3 (1cement :3 sand) and making good the joints, excl., the cost of centering and shuttering and reinforcement :M-20 grade mix 1:1.5:3 (1cement:1.5coarse sand : 3 graded stone aggregate 20 mm nominal size (For equipment foundation, junction box , culvert etc.)

Brick wall works, if required

Providing and fabricating steel reinforcement for R.C.C. work bending ,placing in position and binding complete including cost of binding wire in foundation ,raft footing ,strap beams base of column etc., up to plinth level hot rolled deformed (I.S.1139) cold twisted (I.S.1786)bars (For equipment foundation, junction box \ etc.)

Centering and shuttering with plywood or steel plates including strutting, propping bracing both ways with wooden members and removal of formwork for superstructure up to 4.5m height above plinth level for (For equipment foundation, junction box etc.)

Providing & Fixing of steel febrication made of angles, tees, square bars or other flats black pipe with hold fast and fittings complete as per design @ drawing including cutting welding & fabrication with priming coat of redoxide.

Providing,Laying & Jointing RCC class NP-2 Non Pressure pipes (IS:458 Mark) of approved make with collars, jointed with CM 1:2 or having Spigot & socket ends with flexible rubber rings joint including testing of joints etc. complete: 450 mm D.

Providing & Fixing of Reinforced Ferro Cement Cable Trench Covers designed for 'A' & 'AA' loading duly marked on cover with adequate reinforcement having thickness 75mm to 100 mm anti corrosive bitumen pained MS plate Rim & MS lifting hooks admixtures like plasticizer bond -improving compound, shrinkage resistance compound, abrasion resistant complete as per approved design ( For cable joint box) (For any span)

Providing & Laying HDPE pipe heavy duty of approved make jointed with solvent cement

(i) 250 mm dia. (for 2 phase + 1 spare formation)

(ii) HDPE PLB Duct for Optical Fiber Cable

Supply and laying inter locking RCC cable covers as per approved drawing

Supply, spreading of clean river sand in the cable trench and cable joint pit as per specification.

Providing & Fixing Cable Route Marker along the route of cable at the spacing of 50 meter etc. as per drawing and site requirement.

Charges of conducting pre commissioning tests as per specification & successful commissioning of circuit

Add: Any other item bidder may require to complete the installation work as per specification requirements

Description of Work / Item(s)

Total Schedule No. BOQB1

SUPPLY PART

Total Schedule No. BOQB2

SERVICE PART

KEI Industries Limited

KEC INTERNATIONAL LTD

KEI Industries Limited