MODIFICATION/SHIFTING OF 220KV D/C JODHPUR-CHB LINE (PRESENTLY CHARGED ON 132KV VOLTAGE LEVEL) FROM KHEME KA KUAN TO MUNICIPAL NALA USING 1200 SQ MM, 220 KV XLPE CABLE SYSTEM TERMINATING ON D/C MONOPOLE INCLUDING DETAILED ROUTE SURVEY, LAYING AND

SUPPLY PART

MAIN MATERIAL/ ITEMS

Double Tension H/W for ACSR Zebra

120 KN B&S Disc

Phase Plate

Number Plate

Danger Plate

198 kV class of rating LA with grading ring, discharge counter with Milli meter

220kv D/C cable Termination Monopole Bottom Cross Arm 22 Meter Cable With provision of 220 KV 1200 Sq. MM. Copper Cable Termination

24 Fiber(DWSM) OPGW Fiber optic Cable

Installation Hardware Set for 24 Fiber OPGW

Joint box (24 Fibre)

220 KV, 1200 Sq.mm Copper XLPE Cable as per specification

245 kV rated voltage pre-moulded outdoor end termination kit completewith accessories suitable for the above 1200 Sq. mm XLPE Copper underground cable

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

24 Core Optical Fiber Cable with associated accessories

Earthing Material inluding cast iron for each cricuit

Terminal connector suitable for ACSR Zebra for termination kit

Terminal connector suitable for ACSR Zebra for LA

Distance/Diffarancal Realy

WARNING TAPE as per specification

Item Wise BoQ

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NUMBER #

Service Part

Over head line

Tubular Mono pole

Erection of 220kV D/C Tubular Mono pole (End Termination)

Earthing of Monopole alongwith required material

OPGW Stringing:

Installation hardware set for 24 Fiber OPGW Fiber optic cabling including of all cable fittings & accessories except joint box

Joint Box (24 Fiber)

Destringing of 24 Fiber (DWSM) OPGW Fiber optic cable

Restringing of 24 Fiber (DWSM) OPGW Fiber optic cable

220 KV D/C Cable System:

Cable Installation:

Handling,Transportation to site & laying of 220 KV, single core, 1200 Sq mm XLPE Copper cable as per foregoing specification requirements.

Estabilishing of 02 circuits having 06 nos. (2X3 phase)220KV, single core, 1200 Sq mm Copper cable in trefoil 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 outdoor type cable end termination for 220 KV, single core, 1200Sq mm power cable (XLPE copper cable)

Erction of Soild Link Boxes with accessories

Earthing material including cast iron pipes with suitable clamps, charcol, common salts etc. complete set for each cable circuit (each circuit for 3 phase individually)

Terminal connector suitable for ACSR zebra conductor to connect cable end termination.

Installation of 198LA with terminal connector

Installtion of underground Optical Fibre

Installation Distance/Diffarancal Realy

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

Detail Survey as per tentative route-

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

Check Survey as per approved route of line which includes-

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

Earthing:

(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

Destrining of Conductor

(B) Destringing upto ACSR Zebra conductor: Dismantling of vibration dampers and armour rods, removal of conductor from clamps and fitting in rollers,detensioning,dehoisting of insulator string as required and collecting the material & depositing the same in our store and stacking

(i) Single Conductor

Conductor Resringing:

(A) Restringing of ACSR Zebraconductor:Dismantling of vibration dampers and armour rods, fitting in rollers, de-tensioning, holding & lowering of conductor, de-hoisting of insulator string as required, adding/ removing and jointing of conductor, hoisting of insulator string, lifting of conductinto rollers and re-tensioning, jointing, fitting of armour rods and and vibration dampers and clamping per route KM of the line section to be restrung dismantled material not re-used to be deposited in our stores & stacked

(i) Single Conductor

Civil works of Tubular Mono pole

Foundation of 220kV D/C Tubular Mono pole (End Termination)

Soil investigation Transmission Tubular Mono Pole

Transmission Tubular Monopoles footing protection work including of required items as per specification as per requirement

220kV D/C Tubular Mono pole (End Termination)

Dismentaling of Tower

Dismantling of super structures alongwith extensions, having tack welded Bolts & Nuts, including removing of D shackles,hangers,U-Bolts,step bolts, ACD, Danger plate, number plate,Phase plate of tower including transportation from site to our store and stacking of all material.

(A) 132 KV and 220KV S/C & D/C Towers (all types)

CIVIL WORK FOR Cable

Cutting Black Bitumen surface up to any dept including all layers of crust for laying power Cables etc. stacking of useful materials and disposal of surplus debries including all leads including barricading, providing danger board/diversion board , lighting reflector etc.

Horizontal Direct Drilling (Trenchiess Digging) method (with 250 mm dia HDPE Pipe of minimum 6 PN and stregth complying ISS) wherever open cut method cannot be adopted (for double circuit with 3 cable core in each circuit)(if required)

Earthwork in excavation for burried cable trenches /foundation including dressing of sides and ramming of bottoms, lift up to 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 dander 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 RCC work in foundation , rafts, footings, strap beam, base of columns etc. including curing , compaction, finishing with rendering in cement sand mortar 1:3 (1 Cement:3 sand) and making good the joint, excl the cost of centering and shuttering and reinforcement M:20 grade mix 1:1.5:3 (1 cement: 1.5 Sand: 3 Graded stone aggregate 20 mm nominal size (For equipment foundation, junction Box, culverts etc.)

Brick wall work, if required

Providing & fabrication steel reinforcement for RCC work bending, placing in position and binding complete including cost of binding wire in foundation , raft footing, straps beam base of column etc. up to plinth level hot rolled deformed ( IS 1139) cold twisted (IS 1786) bars (For equipment foundation, Junction Box etc.)

Centering & shuttering with plywood or steel plates including strutting, propping bracing both ways with wooden members and removal of form work for superstructure up to 4.5 Mtrs height above plinth level for 9For equipment foundation, junction box etc.)

Providing & fixing of steel fabrication made of angles, tees, square bars or other flats black pipe with hold fast and fitting complete as per design and drawing including cutting welding and fabrication with printing coat of red oxide.

Providing & laying and jointing RCC class NP-2 Non Pressure pipe (IS:458 Mark) of approved make with collars, jointed with CM 1:2 or having spigot and socket ends with flexible rubbers ring joint including testing of joint etc complete 450 mm D

Providing & Fixing of reinforcement 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 painted MS plate Rim and 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 double circuit each circuit with 3 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 of cable route marker along the route of cable at the spacing of 50 Meters as per drawing and site requirement.

RR ston masonary in F/P CSM 1:4

Plastering 20 mm thickness CSM 1:6

P&L plane cement contrete M20 Grade

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