(A) The ground floor area in any detached single family dwelling shall not be less than 576 square feet.
(B) In no case shall the foundation wall thickness be less than that of the wall supported:
(1) Six-inch thickness for poured concrete supporting 1-story wood frame structures without basement.
(2) Eight-inch thickness for all other poured concrete walls.
(3) Eight-inch thickness for masonry unit walls which extend not more than 7 feet below outside finish grade.
(4) Ten-inch thickness for masonry unit walls which extend more than 7 feet below outside finished grade.
(1992 Code, § 7-33)