Modification work of 132 kV S/C Line between 220 kV GSS Ajmer and 132 kV GSS Subash Nagar for Railway Track crossing at location IR KM 292/6-7 of section between Durai-Madar Railway stations using 500 Sq. mm 132 kV XLPE cable and termination towers

MAIN MATERIAL/ ITEMS

OverHead Line

Super structure of 220 kv D/C Narrow Base with stub and Cleat for termination of XLPE cable

Counductor

ACSR Panther conductor

Panther conductor hardware

a) Single tension hardware

b) Single suspension hardware

M.S Joint

Repair sleeve

Vibration damper

Dics insulator

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

Earthing material

a) Counter poise type /Pipe type as per requirement

Others

a) Number plate

b) Phase plate

c) Danger plate

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

Under ground cable

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

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

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

Galvanized Steel Supporting Structures/arrangement, gentry structure, ledders etc alongwith clamps, connectors, nut-bolts, washers, foundation bolts etc. for suitable and sefe termination of XLPE cable from terminal tower/s maintaining staturory clearances and sefety as per IE rules

Earthing Material including cast iron pipes with suitable clamps, charcol, common salt etc. complete set for each Cable Circuit(each having 3 core)

Terminal connector suitable for ACSR Panther on the item No. 3 to connect cable end termination to ACSR penther Line.

Warning Tapes as per Specification

Optical Fiber Cable and associated accessories/items as per specification

132 kV class of 132 kV rating LA with grading ring, dicharge counter with Milli meter

Line differantial cum distance - Numerical relay with optical interface

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

Detail survay 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

Excavation:- Excavation excluding backfilling including shoring shuttering dewatering etc up to the required depth as per foundation Specificaation Drawing

(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 backfilling with excavated borrowed earth

(A)220 KV double circuit NB Tower up to +6m.extension

(a) Large angle cum dead end tower (TTD)

Concriting:-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.

(ii) 1:3:6 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.

Erection of Tower.- Erection of super structure includdind D-shackle ACD,Hangers,Alsoincludding tac weldind of bolts and nuts up to bottem cross arm/beam level includding application of zinc rich paints.

A) 220 KV double circuit NB tower.

(a)Large angle tower (TTD)

Dismentaling of towers:- Dismantling of super structures alongwith extensions, having tack welded Bolts & Nuts, including removing of 0 shackles, hangers, U BoIts, step bolts, ACD, Danger plate, number plate, Phase plate of tower including transportation from site to our slore and stacking of all material

(a) 132 KV and 220KV SIC & D/C Towers (all types)

DESTRINGING OF CONDUCTQR/ EARTH WIRE

(A) Destringing of ACSR panther 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) 3 conductor for SIC Line

(C) Destringing of Earth wire

Dismantling of earth bonds, vibration dampers, declipping & fitting in rollers, delensioning and collecting the material & depositing Ihe same in our store and staCking.

(i) One No. 7/3. 15mm galvanised wire

RESTRINGING OF CONDUCTOR/EARTH WIRE

(A) Restringing of ACSR Panther conductor: Dismantling of vibration dampers and armour rods, fitting in rollers, de-tensioning, holding & lowering of conductor, de-hoisting of insulator string as required, addingl 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) 3 conductor for S/C Line

Under ground Cable

CABLE INSTALLATION

Handling, Transportation to site and laying of 132 kV, Single Core, 500 Sq. mm XLPE Copper Cable as per foregoing specification requirements

Establishing of 1 ckts. having 3 Phase + 1 spare 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 and making of outdoor type cable end terminations for 132 kV single core power cable as per specification

Erection of Galvanized Steel Supporting Structures/arrangement, gentry structure, ledders etc alongwith clamps, connectors, nut-bolts, washers, foundation bolts etc. for suitable and sefe termination of XLPE cable from terminal tower/s maintaining staturory clearances and sefety as per IE rules for each phase.

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

Earthing Material including cast iron pipes with suitable clamps, charcol, common salt etc. complete set for each Cable Circuit(each having 3 core)

Terminal connector suitable for ACSR Panther to connect cable end termination to ACSR penther Line.

Erection of Optical fibre cable alongwith XLPE cable and at the both ends

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

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 and drawing including cutting welding and fabrication with priming coat of redoxide.

Providing ,Laying and Jointing RCC class NP-2 Non Pressure pipes (IS:458 Mark ) of approved make with collars, jointed with CM 1:2 or having Spigot and 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 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 [by horizontal direct drilling(Tranchless dogging)]

(i) 250 mm dia.

(ii) 100 mm dia. For Optical Fibre 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.

Fixing and Installation of Earthing Material including cast iron pipes with suitable clamps, charcol, common salt etc. complete set for each 3 phase Circuit( each having 3 core).

Fixing and Installation of fencing arrangement of termination structures for safety and protection alongside the road to maintain safety as per IE rules and providing of Dangr plates. (If required)

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

Retrofitting of protection relays (Line differantial cum distance - Numerical relay with optical interface)

Charges of conducting pre-commissioning tests as per specification and successful commissioning of circuit

Description of Work / Item(s)

Total Schedule No. BOQB1

SUPPLY PART

Total Schedule No. BOQB2

SERVICE PART