Covered patios, or roofs attached to the main building or connecting the main building with a detached accessory building, may extend into a required rear or side yard; provided that portions of such structures extending into that yard:
A. Shall not exceed twelve feet in height or project closer than five feet to a side or rear lot line;
B. Shall be entirely open on at least three sides except for necessary supporting columns; except that a roof connecting a main building and an accessory building shall be open on two sides. Such covered patio or covered walkway shall be a maximum width equal to ten percent of the connecting side of the accessory building. In cases where a connecting wall is less than forty feet wide, however, a building permit applicant shall be allowed a maximum covered patio (or covered walkway) width of four feet.
(Ord. 1178 § 6.4.9, 1987)