In our factory so many iron pillors are exists for supporting the shed/Hangar.

In our factory so many iron pillors are exists for
supporting the shed/Hangar. If do more no of earthings at
one piller instead of doing more earth pits in many
locations and running earth strip around the hanger, I can
save the money. Please suggest this method is acceptable as
per Is specifications though the Earth resitance of the
farthest piller is with in the limits as per IS
specifications.

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