What are the requirements for footings?

Footings shall be a minimum of 42 inches below the final grade for all slab construction. #4 or 1/2 inch rebar is the minimum to be used in all footings. Basement exterior walls shall be supported on continuous solid or fully grouted masonry, concrete footings, or other approved structural systems. Basement footings must be 8 inches thick and 16 inches wide with two #4 or 1/2 inch thick rebar continuously connected.

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