Answer / pappu meena

Jel earthing should be done in rock/hill areas.

Answer / munish sharma

In Rocky Area the soil resistivity comes out to be very
high.The overall grounging structure is based on following
criteria
1.Area Of the Switchyard
2.Surface Layer Resistivity
3.Soil Structure
4.Safety PArameters
5.Fault Current Distribution
There Are Certain Techniques in case of HIgh Soil
Resistivity as
1.Deep Groung well Earthing
2.If area is limited of the Switchyard,use Remote grid
along with main grid buried in low resistivity material
3. Soil Treatment
4. Use Grounging rods to take effect of deeoer low
resistivity layers

Answer / amit

Strip type earthing is best in Rocky soil earth

Answer / leturtle

Totally depends on your application. Is the ground 'solid'
rock or fragmented mixed in with other material?

What kind of rock? Limestone, granite, mudstone, sandstone?

Depending on the type of rock will determine what solution
will best fit.

Is there any top soil on the surface?

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