M-1 Light Industrial. Any use permitted in the M-1 Light Industrial District, excluding apartment houses, shall be permitted on 2.8 acres fronting East Waiko Road. For the remainder of the subject property, any use permitted in the M-1 Light Industrial District, excluding uses permitted in the B-1 Neighborhood Business District, B-2 Community Business District, or B-3 Central Business District, and excluding apartment houses, shall be permitted, except that dwelling units may be located above or below the first floor of a permitted use.