Electrical installation work in back side of the Tarabag campus,B.U.

Amount

E.I Work

Supply , delivery, installation & commisioning of double door outdoor type MS fidder Pillar box compartmentalized dust proof, damp & vermin proof, free standing floor mounted type base pedestal for holding the upper compartment of the Pillar box. The overal dimension of the pillar box 1400 mm height X 1000 mm Wide X 700 mm Dept & shall be made of 3 mm CRCA sheet for body & 4 mm CRCA sheet for top cover, after seven tank process and painting with Epoxy powder coating in approved shade, with proper danger notice plate , interconnections with suitable capacity cupper leads/ strips. With locking agreement Neoprene rubber gasket of suitable thickness shall be provided between all joints and beneath all the covers. Adequate supporting and stiffening components like MS Angles etc should be used with foundation net complete. The above door [free opening including both side (front & back)] fitted with side of the pillar box by two sets hinge system arrangements with providing capsule hinge welded with the Pillar Box rigidly incl. providing door handle .Supply & fixing following accessories as per direction of EIC. INCOMING - 1 nos. 315 amps 36 KA FP MCCB with spreader link Make- L&T (DN3B-400D) or equivalent BUSBAR : 400 amp AL (suitable bar dimension 40 mm wide & 10 mm thickness) Bus bar (4 bar ) chambers system of required dimension mounted on non-hygroscopic porcelain insulator having sufficient di-electric strength duly wrapped with colour PVC tapes(Red, yellow, blue &black) for phase & neutral identification and keeping space Out Going - 125 Amp 25 KA FP MCCB with spreader link with complete set 8 nos Make- L&T (DN1-250C) or equivalent .

Supply , delivery, installation & commisioning of double door outdoor type MS fidder Pillar box compartmentalized dust proof, damp & vermin proof, free standing floor mounted type base pedestal for holding the upper compartment of the Pillar box. The overal dimension of the pillar box 1200 mm height X 1000 mm Wide X 700 mm Dept & shall be made of 3 mm CRCA sheet for body & 4 mm CRCA sheet for top cover, after seven tank process and painting with Epoxy powder coating in approved shade, with proper danger notice plate , interconnections with suitable capacity cupper leads/ strips. With locking agreement Neoprene rubber gasket of suitable thickness shall be provided between all joints and beneath all the covers. Adequate supporting and stiffening components like MS Angles etc should be used with foundation net complete. The above door [free opening including both side (front & back)] fitted with side of the pillar box by two sets hinge system arrangements with providing capsule hinge welded with the Pillar Box rigidly incl. providing door handle .Supply & fixing following accessories as per direction of EIC. INCOMING - 1 nos. 315 amps 36 KA FP MCCB with spreader link Make- L&T (DN3B-400D) or equivalent BUSBAR : 400 amp AL (suitable bar dimension 40 mm wide & 10 mm thickness) Bus bar (4 bar ) chambers system of required dimension mounted on non-hygroscopic porcelain insulator having sufficient di-electric strength duly wrapped with colour PVC tapes(Red, yellow, blue &black) for phase & neutral identification and keeping space Out Going - 125 Amp 25 KA FP MCCB with spreader link with complete set 1 nos Make- L&T (DN1-250C) or equivalent . 63 Amp 25 KA FP MCCB with spreader link with complete set 7 nos Make- L&T (DN0-100C) or equivalent .

Laying of one no cables above 35sq mm and upto 185 sq mm in an underground trench 460mm X 760 mm average depth with brick protection on the top of the each cable 8 (eight) nos bricks per Mtr including filling the space between the bricks and cable and also the trench with shifted soil,leveling up and restoring surface duly rammed

Laying of one no 3.5 core 35 sq mm armoured XLPE cables in an underground trench 460mm X 760 mm average depth with brick protection on the top of the each cable 8 (eight) nos bricks per Mtr including filling the space between the bricks and cable and also the trench with shifted soil,leveling up and restoring surface duly rammed

Laying of two nos cables upto 35sq mm in an underground trench in single tier formation (horizontal),the trench size 680mm X 760 mm average depth with brick protection on the top of the each cable 8 (eight) nos bricks per Mtr and 4(four) nos bricks per Mtr as separator between the bricks and cables and also trench to be filled up with shifted soil,levelling up & restoration surface duly rammed

Laying of three nos cables upto 35sq mm in an underground trench in single tier formation (horizontal),the trench size 915mm X 760 mm average depth with brick protection on the top of the each cable 8 (eight) nos bricks per Mtr and 4(four) nos bricks per Mtr as separator between thecables including filling thw space between bricks and cables and also trench with shifted soil, levelling up and restoring surface duly rammed

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:

3.5 core 50 sq mm

3.5 core 35 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 & jointying materials.

3.5 core 50 sq mm

3.5 core 35 sq mm

Excavation of soil for installation of Earth Electrode and filling & ramming. (a) For Soft Soil

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

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.

Earthing with 50 mm dia G.I. pipe as per P.W.D. schedule by ISI medium GI pipe.

S & F 25 mm X 6 mm earth bus-bar as per P.W.D. schedule .

Connecting the equipment to earth busbar by 4 SWG G.I wire as per P.W.D. schedule .

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

Boaring under road to inject tubular pipe with both side top enlargement for passing the cable

Straigh through Jointing of cable of size 3.5 core 35 sq mm / 3.5 core 50 sq mm armoured XLPE cables by Heat-Shrink jointing kit including S&F ferrul, tapes and jointing materials (Make:RPG / 3M or equivalent as directed by EIC)

DIP ELECTRICALS

SREE GURU ENGINEERING