In any I-L zone directly across the street from any R or A zone, or areas designated for future residential or agricultural development on the General Plan, the loading facilities and structures shall be a distance of at least 30 feet from said street. (Ord. 3153 § 2 (Exh. A), 2010; Ord. 1281 § 1, 1970; Ord. 1212 § 1, 1969; prior code § 33.513(I)(3)).