(a) Except as herein prescribed, an outer court is not required in any district, but if provided its width shall be not less than ten feet or less than one-fourth of its length, nor less than two inches for each foot of height of such court measured from the bottom thereof to the top of the highest wall abutting it; except, that in determining the width of an outer court adjoining a side yard, the width of such yard may be counted.
(b) Except as herein prescribed, no inner court is required, but if provided its width shall be not less than ten feet nor less than three inches for each foot of the height of such court measured from the bottom thereof to the top of the the highest wall abutting it.
(c) In any retail business district, when a portion of the building above the ground floor, but not the ground floor itself, is used as a dwelling, an outer court in the rear thereof shall be provided for the stories used for residence purposes. Such court shall be open and unobstructed for the full width of the lot and at least fifteen feet in depth.
(Passed 4-8-08.)