2nd Call for Micro Tunnelling work for New 33KV source of Magnolia 33/11 KV Sub-Station.

Amount

Survey of cable route as per instruction of site Engineer

Excavation of soil for making of trial hole (Minm. Size 1.1x0.5x1.2M depth) as per instruction of Site Engineer incliding backfilling the excavated soil.

Excavation of soil for formation of cable trench having minimum size 1.1x0.5 and reinstatement for the cable trench with the excavated soil after completion of laying and dressing of 1 numbers 33 KV grade 3x400 SQMM XLPE UG cable and cable protection work as per specification and direction of the site Engineer.(R/L-3800 Mtr.)

Supply of kiln burnt 1st class bricks having proper size & shape suitable for cable protective cover as per instruction of site Engineer(24 Nos per mtr)

Laying of Bricks as per drawing and instruction of site Engineer

Laying & dressing of 33KV XLPE 3x400 sqmm cable in the excavated cable trenches as per drawing no. PLN(D)/SS/126 dt. 23.06.2018 and as per instruction of site engineer.

Micro Tunneling work with laying of HDPE Pipe as per instruction of site engineer and as per site condition including supply of PE-80, PN-6, 200 mm dia HDPE pipe as per IS:4984-2016 including preparation & submission of drawing.

Assistance for making of Straight through joint

Assistance for making of End termination joint (outdoor & indoor)

Making of jointing pits by excavation of soil for making straight through joints of 33 KV grade 3 X 400 sq mm XLPE cable at located points of the cable route with necessary arrangements for temporary shoring, shuttering and bailing out of water from the pit manually or with the help of pump. Provision has to be made to keep loop of the cable at each point of straight through joint.

Making of Protective Duct for Straight Through Joint as per WBSEDCL's approved drawing no. PLN(D)/SS/106 dt. 05.05.2015 & as per instruction of site engineer.

Supply and fixing of G.I pipe medium as per I.S.I. of the follwing size suitble for cable protection G.I pipe 200sqmm dia.

Earthing of cable armour by G.I earth electrode of G.I pipe 50mm dia and 3000mm 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 65x6 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 and Erection of cast iron cable marker on concrete foundation blocks for straight run, road crossing, joint location etc as per drawing no. PLN(D)/SS/128 dt. 23.06.2018 & as per instruction of site engineer.

M/S. AVISIKTA

TARUN ENTERPRISE