ELECTRICAL WORK RELATED TO DG SET INSTALLATION AT RAC BATTALIAN CHAINPURA ,JAIPUR

Providing & Fixing of on load change over switch, front handle operated, four pole 415 V confirming to IS/lEC 60947-3 : 1999 including connections , testing etc. as required .in the following rating.

With OEM fabricated sheet steel enclosure, powder coated, door locking system allow opening of door in OFF position only with 2 nos external earthing points.

125 A

SITC of Copper Bonded rod Earthing with high tensile strength (more than 600 N / sq.mm low carbon steel rod molecularly bonded with Copper thickness (250 microns) and confirming to UL 467 of following size and length and as per point mentioned (a), (b), [c), (d), (e) below :-

(a) Bore a hole of dia. 100 mm of required length, Place the rod in the centre of Hole

(b)Earth enhancing compound to ensure the moisture content and electrical conductivity, 25 kg for 3000 mm. The compound shall be tested form NABL accredited lab for low resistivity (less than 0.12 Ohm - meter) & high conductivity in nature with carbon as a major content in accordance with IEC 62561-7

© Connect the rod with copper Strip/Conductor/Wire with suitable clamp made from tinned copper and SS 304 Bolt

(d) Place Heavy duty weather proof poly-propylene earth inspection chamber as per requirement of IS/IEC 62305 and tested as per IEC 62561-5 with lockable Jam free lid suitable for safe working load 60 kN of round / square size 250 mm, and Height 250 to 300 mm.

(e) Testing of earth resistance for value of 5 ohms or less as required.

(f) Test certificates for confirming above standards from OEM is mandatory.