What is the type of electrical earthing recommended in hard rock area

What is the type of electrical earthing recommended in hard
rock area

Question Posted / ramsel1985

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What is the type of electrical earthing recommended in hard rock area..

couterpoise type

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What is the type of electrical earthing recommended in hard rock area..

6" dia deep( up to 75 m) bores ,40mm dia MS rod as
electrode and Bentonate clay for filling

Is This Answer Correct ?

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