For the purposes of this article, the phrase “street gutter flow line” shall mean the street gutter flow line adjacent to and bordering upon each such restricted area; in the event there be no such curb, the height restrictions set forth in this article shall be based upon the actual level of the paved or used portion of the public street adjacent to and bordering upon each such restricted area.
(1993 Code of Ordinances, Chapter 11, Article 6, Sec. 11-61)