WBPWD/SEWEC/BED /NIQ-42/2018-19

Amount

Supply and fixing of Compact Air Insulated type 630Amp , 50KA for 1 sec, Rising Main of Aluminium Busbar 1.6mm thick GI Enclosure duly Epoxy Powder Coated, degree of protection IP-54(for indoor), with 2 runs of external Aluminium Earthing Size 6 mm x 90 mm strips with 2 Tap off point provision per floor. (make:-L&T/C&S/Legrand/Schneider),-----------.

Supply and fixing of Compact Air Insulated type 400Amp , 30KA for 1 sec, Rising Main of Aluminium Busbar 1.6mm thick GI Enclosure duly Epoxy Powder Coated, degree of protection IP-54(for indoor), with 2 runs of external Aluminium Earthing Size 6 mm x 50 mm strips with 2 Tap off point provision per floor. (make:-L&T/C&S/Legrand/Schneider),-----------

Supply & Fixing of required sizes of Reducer for connect of two dissimilar rating of Bustranking Directly.

S & F Plug in box/Tap off box with 415V TPN SFU (make:-L&T/C&S/Legrand ABB/Siemens) different ratings as follows

Supply and Fixing of 630 A End feed unit with 630A /4Pole/50 KA MCCB with Rotary Handle(make L&T/ C&S/ LegrandABB/Siemens)

Supply and Fixing of 400 A End feed unit with400A /4Pole/50 KA MCCB with Rotary Handle(make L&T/C&S /Legrand/ABB/Siemens)

S & Laying of 1.1KV grade XLPE/A AL. cable of following sizes cable to be laid partly through underground trench and partly through cable tray as per G.S.

i)2 x 3.5 core 300 sq.mm. through underground trench

ii)2 x 3.5 core 225 sq.mm. through underground trench

i)2 x 3.5 core 300 sq.mm. through cable tray

ii)2 x 3.5 core 225 sq.mm. through cable tray

S & F compression type gland complete with brass gland, rubber ring for dust & moisture proof entry of following sizes cable sq.mm. PVC/A Al. cable incl. finishing the ends by socketing by crimping method as per G.S.

3.5 core 300 sq.mm

3.5 core 225 sq.mm.

Supply & Fixing of perforated GI cable tray with perforation notmore than 17.5% suspended from ceiling incl. S&F GI onnector,6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support

(ii) With 25x25x3mm angle iron support 300x50x1.25mm (18SWG)

Supply & Fixing of following perforated GI cable tray fittings with perforation notmore than 17.5% suspended from ceiling with two nos. suspenders& 25x25x3mm angle iron for supporting the cross member incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fasteneretc. as required of the following size. Incl. Al painting of MS support.

300x50x1.25mm (18SWG) (Bend)

Supplying & fixing 125 mm dia medium gauge GI Pipe (ISI-Medium) Protection for cable with necessary fittings and jointing metarials as required.

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 50 mm x 6 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 65 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts as to G S.

Supplying & fixing earth bus-bar of galvanized (Hot Dip) MS flat 50 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the bus-bar complete with GI bolts, nuts, washers, spacing insulators etc. as required.

SREEKRISHNA ENGINEERING ENTERPRISE

Gem Engineers Co-coprative Society Ltd

RASH ELECTRICAL WORKS