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 />

Ferrules shall be of self sticking type and shall be employher to designate<br />

the various cores of control cable by the terminal numbers to which the<br />

cores are connected for ease in identification and maintenance.<br />

3.4 Cable Glands<br />

Cable glands to be supplied shall be brass single/double compression type<br />

as per the directions of Engineer-in-charge. Generally single compression<br />

type cable glands shall be used for indoor protected locations and double<br />

compression type shall be used for outdoor locations.<br />

3.5 Cable Trays<br />

Prefabricated hot dip galvanized sheet steel cable trays shall be used for<br />

maximum support span of 2000 mm unless design is approved for larger<br />

span. For requirements of larger than 750 mm width two trays shall be<br />

run side by side. Cable trays shall be suitable for a cable weight of 50<br />

kg/m running length of tray. Minimum thickness of sheet steel/galvanized<br />

shall be 3 mm/86 micorns. Cable trays fabricated from standard rolled<br />

sections shall used 50 x 50 x 6 /ISMC 100 sections for runners for<br />

supporting spans limited to 2000 mm/more than 2000 mm respectively.<br />

Cross support shall be 32 x 6 mm flat 25 x 25 x 6 mm angle for widths<br />

upt o500 mm/ more than 500 mm respectively. If unit rate not included<br />

in schedule of rates then cable trays if required shall be<br />

fabricated/installed at site as per the per tonne rate for electrical<br />

structural supports etc.<br />

4.0 CABLE LAYING<br />

4.1 Cable network shall include power, control lighting cables, which shall be<br />

laid in trenches, cable trays or conduits as detailed in the relevant<br />

drawings and cable schedules. Erection of cable trays as required shall be<br />

the responsibility of the contractor. Cable routing shall be checked in the

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

Saved successfully!

Ooh no, something went wrong!