06.08.2013 Views

SCOPE OF WORK (ELECTRICAL) - CIDCO Maharashtra Ltd.

SCOPE OF WORK (ELECTRICAL) - CIDCO Maharashtra Ltd.

SCOPE OF WORK (ELECTRICAL) - CIDCO Maharashtra Ltd.

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

<strong>CIDCO</strong> <strong>OF</strong> MAHARASHTRA LTD<br />

C.A.No.03/<strong>CIDCO</strong>/EE(Elect)/2011-12 Sr. Page No.<br />

6.2 Measure the insulation resistance of directly buried cable circuits before<br />

cable trenches are back-filled. Repeat measurement after back filling.<br />

6.3 D.C. High voltage test shall be made after installation on the<br />

following:-<br />

1) All 1000 Volts grade cables in which straight through joints have<br />

been made.<br />

2) All cables above 1100 V grade. For record purposes test data shall<br />

include the measure values of leakage current verses time.<br />

The D.C. High voltage test shall be performed as detailed below in<br />

the presence of the Engineer-in-charge or his authorized<br />

representative only.<br />

Cables shall be installed in final position with all the straight<br />

through joints complete. Terminations shall be kept unfinished so<br />

that motors, switchgears, transformers etc. are not subjected to<br />

test voltage.<br />

The test voltage and duration shall be as per relevant codes and<br />

practices of Indian Standard Institution.<br />

7.0 H.T. CABLE LAYING<br />

7.1 CABLES LAID IN BUILT UP TRENCHES :<br />

7.1.1 Cables laid in the built-up trenches within the building shall be raised so<br />

as not to lay at the trench bottom. Cables shall be either secured to the<br />

wall by saddles or laid on angle iron brackets or cable trays, ladders,<br />

rack, trough etc. as approved by <strong>CIDCO</strong>. Where cables are laid on cable

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!