(a) Loading or unloading facilities and standing space shall be provided for all business, commercial or manufacturing buildings hereafter erected or altered to such uses, and shall be maintained as long as the building is occupied, or unless an equivalent number of spaces is provided in conformance with these regulations, except in the Central Business District, Section 1149.04, and except for buildings less than 12,500 square feet in gross floor area.
(b) For buildings of 12,500 to 25,000 square feet gross floor area, at least one off-street loading space shall be provided not less than 250 square feet in area.
(c) For buildings over 25,000 square feet gross floor area, and not exceeding 40,000 square feet in gross floor area, one space shall be provided at least ten feet wide, thirty-five feet deep, and fourteen feet high; and at least one additional space shall be provided for each 50,000 square feet or fraction thereof by which the building exceeds 40,000 square feet of gross floor area.
(1980 Code 151.91)