Ordinances-1994-185

F. Warning and Disclaimer of Liability The standards required by this Ordinance are considered reasonable for regulatory purposes. This Ordinance does not imply that areas outside the designated special flood hazard areas will be free from flooding or flood damages. This Ordinance shall not create liability on the part of CITY OF TIFFIN or any officer or employee thereof for any flood damages that from reliance on this Ordinance or any administrative decision lawfully made thereunder. G. Severability If any section, clause, provision or portion of this Ordinance is adjudged unconstitutional or invalid by a court of competent jurisdiction, the remainder of this Ordinance shall not be affected thereby. SECTION III - Flood Plain Management Standards All uses must be consistent with the need to minimize flood damage and meet the following applicable performance standards. Where 100-year flood data has not been provided in the Flood Insurance Rate Map, the Department of Natural Resources shall be contacted to compute such data. A. All development within the special flood hazard areas shall: 1. Be consistent with the need to minimize flood damage. 2. Use construction methods and practices that will minimize flood damage. 3. Use construction materials and utility equipment that are resistant to flood damage. 4. Obtain all other necessary permits from federal, state and local governmental agencies including approval when required from the Iowa Department of Natural Resources. B. Residential buildings - All new or substantially improved residential structures shall have the lowest floor, including basement, elevated a minimum of one (1) foot above the 100-year flood level. Construction shall be upon compacted fill which shall, at all points, be no lower than 1.0 ft. above the 100-year flood level and extend at such elevation at least 18 feet beyond the limits of any structure erected thereon. Alternate methods of elevating (such as piers) may be allowed subject to favorable consideration by the City Council, where existing topography, street grades, or other factors preclude elevating by fill. In such cases, the methods used must be adequate to support the structure as well as withstand the various forces and hazards associated with flooding. All new residential structures shall be provided with a means of access which will be passable by wheeled vehicles during the 100-year flood.