DM/BKPD/TECH/NIT/2025-26/09

Amount

Survey of cable route as per guidance of site Engineer.

ERECTION OF DOUBLE POLE STRUCTURE COMPLETE WITH ALL FITTINGS AND FOUNDATION BUT WITHOUT ANY INSULATOR FOR HV OH LINE UPTO 33 KV RAIL POLE UPTO 12.81 MTR. LONG

Fixing of Pin Insulator 33KV

EARTHING COMPLETE

Fixing of DISC Insulator 33KV

FIXING OF CAUTION BOARD

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 NO. CABLE 45KV GR., 3C X 400 SQ.MM XLPE CABLE .

Micro-Tunnelling work with laying of HDPE pipe as per instruction of Site Ingineer and as per site condition for laying of U.G. cable including supply of HDPE pipe as per IS: 4984-1995 including preparation and submission of drawing for such cable laying With 200mm dia. HDPE Pipe of 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

Arrangement for termination 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

Making of Straight through joint including making of jointing pit of the 33KV 3CX400Sqmm XLPE cable without supply of jointing materials excluding making of "protection duct for cable joint"

Making & fixing of end termination joint indoor/out door type for 33KV 3CX400Sqmm XLPE cable including fixing of the joint box at the existing structure but without the jointing materials as per instruction of the site engineer

Supply and erection of RCC cable markers on concrete foundation blocks for straight run as per specification and direction of the site Engineer.

Supply & fixing of GI pipe as per ISI of the 200MM dia for cable protection as per instruction of site engineer.

Raising of 45 KV grade, 1no. 3 x 400 sq. mm. XLPE cable upto 10 metres through 6 mtrs. long medium duty GI pipe of 200 mm. dia and fixing with terminal structures and MAKING JOINT ARRANGEMENT BETWEEN WOLF TO CABLE END TERMINAL with supply of MS clamp, Nuts, Bolts & washer with brick protection in between pipe and cable etc. including proper earthing.( G.I. pipe supplied by WBSEDCL )

Making protective duct for cable joint complete as per WBSEDCLs approved No. drawing (Ref. Drg. no. PLN(D)/SS/127, dt. 23.06.2018)

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 except GI Pipe electrode to be supplied by the contractor)

RESAGGING OF EXISTING CONDUCTOR PER KM i) 100 SQ. MM. ACSR/AAAC

Supply & installation of Heat Shrinkable 33KV, 3CX400 Sq.Mm Straight Throught Jointing Kit (Make-RAYCHEM / DENSONS)

Supply & installation of Heat Shrinkable 33KV, 3CX400 O/D. Cable Jointing Kit (Make-RAYCHEM / DENSONS)

GHOSH ENGINEERING (BID ID -6889560)

APCON (BID ID -6890406)