Construction of 132 kV S/C transmission line on double circuit towers, partially on overhead (approx. 12.00 km) and remaining portion through underground ,132 kV , 500 sq.mm, XLPE cable system (3phase , 1 spare), route length (1.0 km) , between 132

SUPPLY PART

MAIN MATERIAL/ ITEMS

Overhead Line

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

High Tensile Steel

Mild Steel

Assorted Size G. I. Nuts , Bolts & Washer

ACSR Panther Conductor

Pipe Type earthing Set

S/S H/W for Panther

D/S H/W for Panther

S/T H/W for Panther

D/T H/W for Panther

Vib. Damp. for Panther

M.S. Comp. Joint for Panther

Repair Sleeves for Panther

P.A. Rod for Panther

Disc Insulator 70 KN

Disc Insulator 120 KN

132 KV Danger Plate

Number Plate

Phase Plate

24 fibre (DWSM) OPGW fibre optic cable

H/W Set -24 Fiber OPGW Fiber Optic Cable

Joint Box for 24F OPGW

Under Ground Cable portion

132 kV, Single Core, 500 Sq. mm XLPE Copper Cable as per foregoing specification requirements

145 kV rated voltage pre-moulded straight through joint suitable for the above underground cable

145kV rated Voltage Pre-moulded Straight Through Joint (with provision for sheath separation for cross bonding) suitable for above cable

145 kV rated voltage pre-moulded outdoor end termination kit complete with accessories suitable for the above underground cable

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

Cross bonding Link box, Co-axial bonding cable with Sheath Voltage Limiters (SVL) complete with other associated accessories for each 3-phase circuit

Galvanized Steel supporting structures/ arrangement, Gantry structures, Ladders etc. for suitable and safe terminations of XLPE cable from Terminal towers maintenaing statutory clearances and safety as per IE rules

Galvanized Steel Supporting Structure alongwith clamps, connectors, nut-bolts, washers, foundation bolts etc. for Outdoor 132 kV Cable end terminations (a composite structure to mount link boxes and the cable end terminations) for each phase

Earthing Material including cast iron pipes with suitable clamps, charcol, common salt etc. (for each circuit)

Terminal connector suitable for ACSR Panther on the item No. 6 to connect cable end termination to Outdoor Switchyard Equipment.

Terminal connector suitable for ACSR Panther on LA

Warning Tapes as per Specification

12F Optical Fiber Cable and associated accessories/items as per specification

145kV class of 120kV rating LA with grading ring, discharge counter with milli meter

Optical Terminal Equipment

Retrofit of Protection Relays (Line differential cum distance protection relay

Add Any other Item

Description of Work / Item(s)

Service Part

Over head line

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

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.up to the required depth as per foundation specification/ drawings .

(1) Normal soil

(2) Hard rock and Blasting

Setting of template and stub/anchor bolt - Setting of template and stub/anchor bolt and 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.

(i) Tower including Ext. upto 9 mtr.

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 drawing.

(ii) 1:3:6 Mix

(iii) 1:2:4 Mix

(iii) 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 backfilling in all typesof soil.

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

(i) Erection of tower (with Ext. upto 9 mtr.)

Conductor Stringing - Stringing of ACSR Panther including hoisting of insulator string, laying, jointing & tensioning ofconductor, clamping with Armour rods and fixingof vibration damper per route KM of the line.

(i) Single conductor

OPGW Cable work

Installation of 24 Fiber (DWGW) OPGW &associated accessories/items,Hardware as per specifications

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 132 KV, single core, 500 Sq mm XLPE Copper cable as per foregoing specification requirements.

Establishing of single ckt. having 3 phase + 1 spare in each ckt. 132kV single core, 500 sq. mm copper cable in trefoil formation alogwith pilot fiber cable, providing of Warning tape taging fixing, pipes for drain & gate crossing as per drawings and specifications in trench by pulling, drawing, etc. including cables, using standard cable installation equipments and as per directions of the engineer in charge and returning of unused items in Store. .

Handling & making of outdoor type cable end termination for 145 KV, single core, 500 Sq mm power cable (XLPE copper cable) as per specification.

Handling and making of straight through joints for 132 kV single core power cable as per specifcation.

Handling and making of straight through joints (with provision for sheath separation for cross bonding) for 132 kV single core power cable as per specifcation.

Installation of Galvanized Steel Supporting Structure alongwith clamps, connectors, nut-bolts, washers, foundation bolts etc. for Outdoor 132 kV Cable end terminations (a composite structure to mount link boxes and the cable end terminations) for each phase

Erection of Galvanized Steel Supporting Structures/ arrangement, gentry structure, ladders etc along-with clamps, connectors, nut-bolts, washers, foundation bolts etc. for suitable and safe termination of XLPE cable from terminal towers maintaining statutory clearances and safety as per IE rules for each phase. (Structure to mount link boxes, cable end termination and surge arrester for each phase)

Installation of 132 kV class of 120 kV rating Surge Arrestors with grading ring, dicharge counter with Milli meter

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 3-phase circuit.

Installation of Earthing material including cast iron pipes with suitable clamps, charcol, common salts etc. complete set for each cable circuit (having 3 phase + 1 spare)

Installation of Terminal connector suitable for ACSR Panther conductor to connect cable end termination to outdoor switchyard equipments/ Surge Arrestors.

Installation of Terminal connector suitable for ACSR Panther conductor on Surge Arrestors.

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

Installation of OLTE equipment

Retrofit of Protection Relays (Line differential cum distance protection relay

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.

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.

Horizontal Direct Drilling (Trenchless Digging) method (for approved formation i.e. 3 Phase + 1 Spare and Optic Fibre cable) wherever open cut method cannot be adopted. (If required) including pipe.

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 single circuit with 3phase +1 spare cable cores

(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.

RR Stone Masonry in F/P csm 1:4

Plastering 25 mm thickness csm 1:6

Providing & laying plane cement concrete M20 Grade

Charges of conducting pre commissioning test as per specification and successful commissioning of Ckt.

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