WBPWDTE/ AE /BMCESD /NIQ-55/ Q of 2023-24

Amount

Supply & fixing close type of 415V, 100 A , 50KA , 4-Pole MCCB with Thermal - Magnetic release incl speader terminals with necy. inter connection by suitable copper bars as per direction of E.I.C .( Make:-L&T Cat no-SK90484)

Supplying of 1.1 KV Grade following sizes Al. Armoured PVC/ XLPE Cable ( Make : Havells/ Glostar/ KEI/PWD Approved ) as per direction of EIC. 4 core 95 sqmm (from SSB Sub station to MGPs)

Laying of one No. cable above 35 sqmm and upto 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed.

Laying of one cable upto 150 sqmm through existing covered masonry trench incl. taking out RC covers, setting them in order, mending good the damages filling the trench with fine dry sand incl. supplying sand.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 mm above 150 mm. thick

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below : 4 core 95 sq mm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials 4 core 95 sq mm

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required 50 mm dia

Excavation of soil for installation of Earth Electrode and filling & ramming as to GS. For morrum soil

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level & restoring surface duly rammed (:For Morrum Soil ISI-Medium GI pipe as to GS. By ISI -Medium GI pipe

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe as to GS.

Extra for treatment of soil by using salt & charcoal or coke for plate electrode

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required

PRADIP KUMAR DHABAL

RS SYSTEMS AND PROJECTS