Notwithstanding § 62.23(7)(h), Wis. Stats., the repair,
reconstruction, renovating, remodeling or expansion of a legal nonconforming
structure, or any environmental control facility related to a legal
nonconforming structure, in existence at the time of adoption or subsequent
amendment of this chapter adopted under § 61.351, Wis. Stats.,
is permitted under § 61.351(5), Wis. Stats.