In the C-M zone:
A. Any structure originally designed as a residence, or as an accessory to a residence, shall not be used for any industrial purposes. Such a structure may be used for commercial or professional uses, either as provided for in chapter 18.156, article IX of this title or by any nonprofit social service agency subject to the approval of a conditional use permit as provided for in chapter 18.192 of this title.
B. A commercial or industrial building shall not be constructed or established on the same lot together with an existing residential building.
C. All buildings erected, constructed or established shall be entirely new and complete structures designed for commercial or industrial purposes only.
D. Site plans and elevations for all new construction and/or additions shall be submitted to the commission for review and approval.
E. Alleys may be required by the commission.
F. All uses shall be conducted within a completely enclosed building except as follows:
1. Off street parking and loading areas;
2. Automobile service stations; all merchandise must be displayed within the building or under canopy covers;
3. The open storage of materials, products and equipment, when such storage is enclosed by a fence, wall, buildings or other means adequate to conceal such storage from view from adjoining property or the public street; however, this requirement shall not apply to the display of products or equipment offered for sale or rental, providing such display is maintained in a neat and orderly manner. (Ord. 2155 § 1, 1991: Ord. 1000 § 27.10, 1955)