The following activities shall be prohibited within any identified
floodplain area:
A. The commencement of any of the following activities, or the construction,
enlargement, or expansion of any structure used, or intended to be
used, for any of the following activities:
B. The commencement of, or any construction of, a new manufactured home
park or manufactured home subdivision, or substantial improvement
to an existing manufactured home park or manufactured home subdivision.