Whether earthmat designning is done only for sub station or it can be done for

Whether earthmat designning is done only for sub station or
it can be done for multy residential complexes also?
What is the size, type & arrangement of the earth grid to
be done?

Question Posted / sabnavees

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Whether earthmat designning is done only for sub station or it can be done for multy residential ..

Answer / a.p.nanjappa

No.it is done for building campus,
industries,hospitals.large campuses, tv station...

It depends on load,voltage level of source and distribution
sytem.

refer IEEE 80 hand book

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