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Ill bet it's already pretty well grounded by the bazillion anchor bolts (however there may be a vapor retarder under the slab and/or footing). I assume you mean to ask if the building steel can be used as a grounding electrode and/or if the building steel is required to be bonded?
(however there may be a vapor retarder under the slab and/or footing). I assume you mean to ask if the building steel can be used as a grounding electrode and/or if the building steel is required to be bonded?