Providing and installation of 40 KVA DG Sets at BOP of 199 137 26 Bn in AOR OF SHQ Raiganj

Amount

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50 mm)

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Supplying and laying 25 mm X 5 mm copper strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50 mm)

Providing, laying and fixing 50 mm dia G.I. pipe (medium class) in ground complete with G.I fitting including trenching (75 cm deep) and re-filling etc as required.

Supplying and making end termination with brass compression gland and aluminium lugs for 3½ X 50 sq. mm (35 mm) size of PVC insulated and PVC sheathed/ XLPE aluminium conductor cable of 1.1 KV grade as required.

Laying of one number PVC insulated and PVC sheathed/ XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. (a) Above 35 sq. mm and upto 95 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed/ XLPE power cable of 1.1 KV grade of following size on wall surface as required.(a) Above 35 sq. mm and upto 95 sq. mm (clamped with 25 x 3 mm MS flat clamp)

Supplying, installation, testing and commissioning of outdoor, floor mounted, type GENERATOR FEEDER PILLAR having front and back openable single door with locking arrangement of approx size 1300 mm x 750 mm x 400 mm deep fabricated from 2 mm thick MS sheet and 50 mm x 50 mm x 6 mm MS angle iron frame at the base/bottom and same size 600 mm long angle iron legs. The feeder pillar should be complete with detachable gland plate including painting with 2 coats of anti corrosive primer and power coated/aluminium paint suitable for operation on 415 Volt, 3 phase, 4 wire, 50 Hz AC supply system with 1 Nos. 100 Amp open execution incomer SDF unit with HRC fuses, 02 Nos. 100 Amp Change Over Switch, 100 Amp, 4 Nos., 300 mm long aluminium bus bar, inter-connection of all switchgears using 10 sq. mm copper wire, mechanical interlocking arrangement, MV danger notice plate 200 mm x 150 mm and inscription in single red colour on front side, stiffening the MS sheet for water drip proofing arrangement at the top, air ventilation grooves at sides, dust and vermin proof design, earthing studs etc. complete as per required specification.

Lifting of DG Set through hydrolic machine including unloading and placing the same on RCC base at site complete as required.

ELECTRO MECHANICAL ENGINEERING

PRADIP KUMAR AGARWALA