In addition to the uses listed for Sections 17.52.480 and 17.52.580, the following are conditional uses in a C-O district and shall be permitted only if approved by the board of zoning adjustments as provided in Section 17.54.130:

    A.    Pharmacy, limited to the sale of drugs and medical supplies;

    B.    Restaurant or retail store which serves primarily the occupants of existing buildings in the same district, or their clients or patrons;

    C.    Research or development laboratory, except those engaged in manufacture of products for commercial sale or distribution and excluding any which produces or is found likely to produce any smoke, dust, odors, glare or vibrations observable outside the building or portion thereof in such use;

    D.    Parking lot;

    E.    Public utility substation, not including service yard, storage of materials or vehicles, or repair facilities. (Ord. 2002-60 (part); Ord. 2000-53 § 1 (part); prior gen. code § 8-46.2)