Amend Chapter 21, Article 12, Floodplain regulations in order to adopt the most recent Federal and State requirements

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(2) structural alterations made to an existing (previously unaltered) building, the cost of which equals or exceeds 50% of the value of the pre-altered building (excluding the value of the land); (3) any previously altered building; (4) reconstruction or repairs made to a damaged building that are valued at or more than 50% of the market value of the building (excluding the value of the land) before damage occurred; (5) installing a manufactured home on a new site or a new manufactured home on an existing site. This ordinance does not apply to returning the existing manufactured home to the same site it lawfully occupied before it was removed to avoid flood damage; and (8) installing a travel trailer or recreational vehicle on a site for more than 180 days. (b) This building protection requirement may be met by one of the following methods. The Zoning Administrator shall maintain a record of compliance with these building protection standards as required in Section 21-181 of this ordinance. (1) A residential or nonresidential building may be constructed on a permanent land fill inaccordance with the following: a. The fill shall be placed in layers no greater than 1 foot deep before compacting to 95% of the maximum density obtainable with the Standard Proctor Test method. b. The fill should extend at least ten feet beyond the foundation of the building before sloping below the Flood Protection Grade. c. The fill shall be protected against erosion and scour during flooding by vegetative cover, riprap, or bulkheading. If vegetative cover is used, the slopes shall be no steeper than 3 horizontal to 1 vertical. d. The fill shall not adversely affect the flow of surface drainage from or onto neighboring properties. e. The top of the lowest floor including basements, (see definition of lowest floor in Section 21- 180 Definitions) shall be at or above the Flood Protection Grade. (2) A residential or nonresidential building may be elevated in accordance with the following: a. The building or improvements shall be elevated on posts, piers, columns, extended walls, or other types of similar foundation provided: 1. Walls of any enclosure below the elevated floor shall be designed to automatically equalize hydrostatic flood forces on the walls by allowing for the entry and exit of flood waters, through providing a minimum of two openings (in addition to doorways and windows) having a total area of one (1) square foot for every two (2) square feet of enclosed area subject to flooding. The bottom of all such opening shall be no higher than one (1) foot above grade. 2. A~ ~y enclosure below the elevated floor is used for storage of vehicles and building access.