Laying of 33 KV UG line of R.L. 2.77 Km for second source of Meherani 33/11 KV Substation from existing Helencha 33/11 KV Substation under Bongaon Division.

Amount

Survey of H.T. cable route as per instruction of site engineer and submission of route survey drawing (in two copies) inscribing different land marks.

Excavation of soil for making of trial hole (min. size 1.2x1x2m depth) as per instruction of site engineer including backfiling the excavated soil.

Excavation of formation of cable trenches and re-instatment of cable trenches with excavated soil as per instruction of site engineer. (Drawing no. PLN(D)/SS/126 dt. 23.06.2018)

Supply of kiln burnt 1st class bricks having proper size & shape suitbale for cable protective cover as per instruction of site engineer

Laying of bricks as per drawing & instruction of site engineer

Laying & dressing of 33KV XLPE 3x400 sq.mm 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-Tunnelling work with laying of HDPE pipe as per instruction of site engineer and as per site condition including supply of PE-80, PN-6, 200mm dia HDPE pipe as per IS: 4984-2016 including preparation & submission of drawing.

Laying of 33 KV 3x400 sq mm XLPE UG cable through microtunnelling including loop & Riser at both terminal end with transportation of cable from store.

Making & fixing of end termination joint outdoor type for 33KV XLPE 3x400 sq.mm cable including fixing of the jointing box at the existing structure and with WBSEDCL supplied jointing materials. Necessary arrangement for properly covering top and all sides of jointing pits with Tarpaulin / Polythene sheet to be made at the time of jointing. Also required manpower to be provided for assistance of cable jointer for straightening the cable at the joint location and re-arrangement of cable loops until completion of jointing and necessary lighting arrangement to be done, if required.

Making of straight through joint including making of jointing pit of 33KV XLPE 3x400 sq.mm cable with WBSEDCL supplied jointing materials excluding making of "protection duct for cable joint". 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

Making of protective duct for cable joint complete as per WBSEDCL's approved drawing (Ref. Drg. No. PLN(D)/SS/127 dt. 23.06.2018)

Supply & fixing / laying of G.I. Pipe 200 mm dia (medium) of make TATA / JINDAL / Equivalent as per ISI suitable for cable protection as per instruction of site engineer.

Supply & 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 & specification & direction of site engineer

Earthing of cable armour 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)

RKS Engineer And Contractor

M/S. AVISIKTA

ZENITH ENTERPRISE