Erosion, Flood, Stormwater & Watershed Standards 12.4 Flood Damage Prevention
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iii. If a building has more than one (1) enclosed area, each enclosed area must have flood openings to allow floodwaters to automatically enter and exit; iv. The bottom of all required flood openings shall be no higher than one (1) foot above the adjacent grade; v. Flood openings may be equipped with screens, louvers, or other coverings or devices, provided they permit the automatic flow of floodwaters in both directions; and vi. Enclosures made of flexible skirting are not considered enclosures for regulatory purposes, and, therefore, do not require flood openings. Masonry or wood underpinning, regardless of structural status, is considered an enclosure and requires flood openings as outlined above. 4. Additions: All additions must meet the applicable standards for new construction. 5. Recreational Vehicles: Recreational vehicles shall either: a. Be on site for fewer than 180 consecutive days and be fully licensed and ready for highway use with up-to-date state inspection and tags (a recreational vehicle is ready for highway use if it is on its wheels or jacking system, is attached to the site only by quick disconnect type utilities, and has no permanently attached additions); or b. Meet all the requirements for new construction. 6. Accessory Structures: When accessory structures (sheds, detached garages, etc.) are to be placed within a Special Flood Hazard Area, the following criteria shall be met: a. Accessory structures shall not be used for human habitation. b. Accessory structures shall be constructed and placed on the building site to offer the minimum resistance to the flow of floodwaters. c. Flood openings to facilitate automatic equalization of hydrostatic flood forces shall be provided below regulatory flood protection elevation in conformance with Section 12.4.2.B.3.d. d.
Certification requirements: An accessory structure with a footprint less than 150 square feet that satisfies the criteria outlined above does not require an elevation or floodproofing certificate. Elevation or floodproofing certifications are required for all other accessory structures in accordance with Section 15.7.3.E. Prior to the issuance of a floodplain development permit for a temporary structure, the applicant must submit to the Floodplain Administrator a plan for the removal of such structure(s) in the event of a hurricane, flash flood or other type of flood warning notification. The following information shall be submitted in writing to the Floodplain Administrator for review and written approval: Temporary Non-Residential Structures a.
7.
i.
A specified time period for which the temporary use will be permitted. Time specified may not exceed three (3) months, renewable up to one (1) year;
ii. The name, address, and phone number of the individual responsible for the removal of the temporary structure;
Town of Wake Forest Unified Development Ordinance – July 19, 2022
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