Laying of 33 KV 3x400sq mm XLPE cable through micro-tunnelling with allied works from Ganganagar 33/11 KV Substation for double source of new 33/11 KV Substation at Eternis Housing Project, Madhyamgram under Barasat Division, District North 24 Parga

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 1.1x1x0.5m depth) as per instruction of site engineer including backfiling the excavated soil.

Excavation & formation of cable trenches and re-instatment of cable trenches with excavated soil as per instruction of site engineer.

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 and microtunnelling portion including spare, loop and riser arrangements as per drawing no. PLN(D)/SS/104 dt. 05.05.2015 and as per instruction of site engineer

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".

Making & fixing of end termination joint indoor or 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.

Making of jointing pit only by the excavation of soil suitable for making of straight through joint of 33KV cable including laying of platform with bricks for placement of joint box & pitching up of temporary tent by providing bamboo & tarpolene & re-instatement of the jointing pit with the excavated soil after completion of jointing work and providing assistance during jointing work

Providing assistance for end termination jointing outdoor type

Making of protective duct for cable joint complete as per WBSEDCL's approved drawing (Ref. Drg. No. PLN(D)/SS/106 dt. 05.05.2015)

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/107 or 108 dt. 05.05.2015 & specification & direction 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 with separate tunnels and laying of pipes for each 33KV cable

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

Supply and filling of yellow sand in void portion of brick box after laying of cable

Earthing arrangment at end terminal of laid cable at one side using 3m long 50 mm diametre of medium duty (ISI make) G.I. Pipe with perforations of 12 mm diametre each at 300 mm intervals spirally to be driven to earth so that the top of th above pipe is driven 0.5 m below ground level and to be linked up with cable termination by G.I. strip (50x6)mm using galvanised bolt, double nuts, washers etc. as per standard specifications. Joints if any shall be reveted, brazed and welded from all sides and to be treated with barium chromate and aliminum paint for rust protection. Alternate layers of charcoal and salt to be provided in earth pit as per standard specifications. (All materials to be supplied by the contractor)

M/S. N.R ENTERPRISE

STARCON PROJECTS PRIVATE LTD