Providing EI fans and DC Earthing for various sites under DE Tirupati and Chittoor in tirupati BA

Amount

GI 4 plate Earthing

Earthing with 4 Nos. GI plates for Tower body earthing / Lightning protection earthing / Equipment earthing etc. by observing the following procedure. (A) Digging of earth pit of Min size 2mtr x 2mtrx 6 feet deep (for installing GI Earth plates at the corners) and refilling the same after installing the earth plate system. (B) Supplying and installing 4 Nos. hot dip GI earth plates of size 600mm x 600mm x 6 mm at the corners of the Earth pit, drilling holes to the plates, making connections to all the four plates for extending earth using GI bolts & nuts, washers, lead washers etc. (C) Supplying and filling of 100 KGS charcoal and 20 KG salt d). s/F of 40 mm dia GI pipe of 3 mtrs length including funnel complete etca s reqd

Extra for excavation of above earth pit for each one feet additional depth & refilling as required.

Providing masaonary enclosure for existing earth pit with cast iron / MS hinged including sign writing on earth pit as reqd( size of masonary enclosure 450 mmm x 450 mm)

Providing and fixing 50mm x 3mm G.I. strip on surface or in recess for connections etc. as required.

S/F of 300mm x 40mm x 6mm thick copper busbar on suitable size insulators as reqd.

Extra for Supplying & Filling the earth pit with soft/red soil in place of excavated soil for better earthing as required

Supplying and Laying of 35 Sqmm single core PVC insulated multistrand copper cable with suitable lugs in existing pipe/in soil 0.50 metre below ground/on surface with suitable accessories as per site requirements as required.

Supplying and laying of 40 mm dia rigid 2mm thickness PVC pipe for protection of strip/cable on surface with suitable clamping as per site requirements as required.

SSK ELECTRICALS (BID ID -777146)