In a retail business district, manufacturing not otherwise excepted by this chapter may be established and maintained subject to the following limitations:
(a) Such manufacturing processes shall not occupy the front portion of the first story of a building, within thirty feet of any street line.
(b) Such manufacturing processes shall not occupy an area exceeding fifty percent (50%) of the floor area of the building.
(c) Such manufacturing processes shall not be located within 100 feet of any residence district, as established by this chapter.
(Passed 4-8-08.)