(a) Existing Structures. The provisions of this article do not require any changes or improvements to be made to lawfully existing structures. However, when an improvement is made to any existing structure, the provisions of subsection (b) shall apply.
(b) Improvements. The following provisions shall apply whenever any improvement is made to an existing structure located within any Identified Floodplain Area:
(1) No expansion or enlargement of an existing structure shall be allowed within any Identified Floodplain Area that would cause any increase in BFE. In A Area/District(s), BFEs are determined using the methodology in Section 1773.04(b)(3).
(2) Any modification, alteration, reconstruction, or improvement of any kind to an existing structure to an extent or amount of fifty (50) percent or more of its market value, shall constitute a substantial improvement and shall be undertaken only in full compliance with the provisions of this article.
(3) The above activity shall also address the requirements of the 34 PA Code, as amended and the 2009 IBC and the 2009 IRC.
(4) Within any Floodway Area/District (See Section 1773.04(b)(1)), no new construction or development shall be allowed, unless the appropriate permit is obtained from the Department of Environmental Protection Regional Office.
(5) Any modification, alteration, reconstruction, or improvement of any kind to an existing structure, to an extent or amount of less than fifty (50) percent of its market value, shall be elevated and/or floodproofed to the greatest extent possible.
(6) Any modification, alteration, reconstruction, or improvement of any kind that meets the definition of "repetitive loss" shall be undertaken only in full compliance with the provisions of this article.
(Ord. 4027. Passed 9-15-14.)