(A) Every building or structure used for business, trade or industry shall provide space as herein indicated for the loading and unloading of vehicles off the street or public alley.
(B) The space shall have access to a public alley or, if there is no alley, to a street; off-street loading and unloading space shall be in addition to and not considered as meeting a part of the requirements for off-street parking space.
(C) Off-street loading and unloading space shall not be used or designed, intended or constructed to be used in a manner to obstruct or interfere with the free use of any street, alley or adjoining property.
(D) At least the following off-street loading and unloading space requirements for specific uses shall be provided:
(1) Retail businesses and service establishments: one off-street loading and unloading space at least 12 feet by 35 feet for every 3,000 square feet of total floor area;
(2) Industrial plants: one off-street loading and unloading space at least 12 feet by 50 feet for every 10,000 square feet of total floor area;
(3) Warehouses and wholesale storage facilities: one off-street loading and unloading space at least 12 feet by 50 feet for every 7,500 square feet of total floor area; and
(4) Freight terminals and trucking terminals: one off-street loading and unloading space at least 12 feet by 50 feet for every 5,000 square feet of total floor area.
(E) (1) Obstructions to vision at street intersections prohibited. Within the triangular or other shaped area formed on a lot by a straight line connecting the right-of-way lines of an intersecting street and a railroad or the right-of-way lines of two intersecting streets at points 20 feet from the intersection of the right-of-way lines, there shall be no obstructions to vision between a height of three and one-half feet and a height of ten feet above the average grade of each street or railroad. This requirement applies to fences, walls, shrubbery, signs, marquees and other obstructions to vision, but it does not prohibit a necessary retaining wall. The provisions of this section do not apply within the Central Business District (B-3).
(2) Front yard requirements for corner lots. Corner lots shall meet the front yard requirements of the district or districts in which they are located on both the street considered as the front street and the street considered as the side street.
(3) Front yard requirements for double frontage lots. Double frontage lots shall meet the front yard requirements of the district or districts in which they are located on both of the streets upon which they front.
(4) Required yard not to be used by another building. No part of a yard required about any building for the purpose of complying with the provisions of this chapter shall be included as a part of a yard required by this chapter for another building.
(2000 Code, App. B, § 39)