Drawl of 01 no new 11KV line for load bifurcation of Chowdhurypara 11KV Feeder under Belghoria Substation under Barrackpore Division.

Amount

Survey of cable route as per instruction of site Engineer

Microtunnelling work with laying of HDPE pipe as per instruction of site Engineer and as per site condition including supply of HDPE pipe as per IS: 4984 : 1995 including preparation and submission of As built drawing with 160mm Dia HDPE pipe, PE 80, PN-6.

Excavation of soil for formation of trial hole having minimum size 1.1 x 0.5 x 1.2 M in total cable route as per specification and direction of the site Engineer

Excavation of soil (METAL ,ASPHALT ,NORMAL SOIL) for formation of cable trench and reinstatement of the cable trench with the excavated soil after completion of laying and dressing of 1 nos 11KV 3x300 SQMM XLPE UG cable and cable protection work as per specification and direction of the site Engineer. Size of cable trench should be at least 900x500 mm and the depth must not be less than 900 mm with 75 mm sand level at the base filling the space between cable and bricks with yellow sand and protection on sides and top by 24 Nos. good quality bricks per meter and the rest space should be filled up with excavated soil as per specification and direction of the site Engineer.

Excavation Of Soil

supply of kiln burnt brick

Laying of bricks

Laying And Dressing Of 01 Nos. Cable 12Kv Gr., 3C X 300 Sq.mm XLPE Cable In Excavated/Pucca Trench/HDPE pipe

Arrangement for termination joint/St.Joint. Jointing kit for end termination joint will be supplied by WBSEDCL and the work of jointing will be done by WBSEDCL’s own personnel or other agency. But necessary arrangements for properly covering top and all sides of jointing pits with tarpaulin/ Polythene sheet has to be made at the time of jointing. Also required manpower is to be provided to help the cable jointer for straightening the cable at the joint location and re arrangement of cable loops until completion of jointing and necessary lighting arrangement is to be done if required

Earthing of cable armour & LA by G.I. earth electrode of G.I Pipe 50 mm diameter and 3000 mm length with perforations of 12 mm dia holes@150 mm from each other at right angles along with type top cap & clamp.The clamp shall be 250 mm long, manufactured with 65 x 6 mm G.I flat and the electrode shall be inserted vertically in the bore hole of 300 mm dia in earth and G.I. Flat ( All materials to be supplied by the contractor)

Supply & fixing of GI pipe as per ISI of the 150MM dia for cable protection as per instruction of site engineer.

Raising of 1 nos 3 x 300 sq. mm. XLPE cable upto 10 metres through 3 mtrs. long medium duty GI pipe of 150 mm. dia and MAKING JOINT ARRANGEMENT BETWEEN ACSR 50SQMM CONDUCTOR TO CABLE END TERMINAL with supply of suitable connectors, Nuts, Bolts & washer with brick protection in between pipe and cable etc.

Installation of 12 KV class gapless LA on the cable termination DP

Making protective duct for Cable Joint complit as per WBSEDCLs Approved Drawing(Ref.Drg.no.PLN(D)/SS/106 Dt.05.05.2015

Erection of Shunt Trip Indoor type 11 kV. 250/350MVA. 400/ 800/1250 Amp. metering /non-metering VCB complete as per WBSEDCL's approved drawing and as per instruction of Site Engineer.

Earthing of Indoor 11 KV VCB as per drawing consisting of 1 nos, 3 metres long 50 mm dia. medium gauge G.I TATA make Pipe (M), installation & connection in between earth pipe and other equipments using 2 nos. G,l Flat 40mm x 6 mm. by welding complete and as per instruction of the Site Engineer (including supply of all materials)

m/s ghosh electric (BID ID -6227372)

JYOTI ENTERPRISE (BID ID -6216458)