Ordinance No. 2025-521 . 2025-521 – An Ordinance to Amend the Municipal Code of Tiffin, Iowa, Chapter 160, Flood Plain Management

A. Listed individually on the National Register of Historic Places, maintained by the Department of Interior, or preliminarily determined by the Secretary of the Interior as meeting the requirements for individual listing on the National Register; or B. Certified or preliminarily determined by the Secretary of the Interior as contributing to the historical significance of a registered historic district or a district preliminarily determined by the Secretary to qualify as a registered historic district; or C. Individually listed on a state inventory of historic places in states with historic preservation programs which have been approved by the Secretary of the Interior; or D. Individually listed on a local inventory of historic places in communities with historic preservation programs that have been certified either: (1) By an approved State program as determined by the Secretary of the Interior; or (2) Directly by the Secretary of the Interior in states without approved programs. 23. “Lowest floor” means the floor of the lowest enclosed area in a building including a basement except when the criteria listed in the definition of Enclosed Area Below Lowest Floor are met. 24. “Maximum damage potential development” means hospitals and like institutions; buildings or building complexes containing documents, data, or instruments of great public value; buildings or building complexes containing materials dangerous to the public or fuel storage facilities; power installations needed in emergency or other buildings or building complexes similar in nature or use. 25. “Minor projects” means small development activities (except for filling, grading, and excavating) valued at less than $500.00. 26. “New construction” (new buildings, factory-built home parks, accessory structures) means those structures or development for which the start of construction commenced on or after the effective date of the first floodplain management regulations adopted by the community. 27. “New factory-built home park or subdivision” means a factory-built home park or subdivision for which the construction of facilities for servicing the lots on which the factory-built homes are to be affixed (including at a minimum, the installation of utilities, the construction of streets, and either final site grading or the pouring of concrete pads) is completed on or after the effective date of the first floodplain management regulations adopted by the community. 28. “Recreational vehicle” means a vehicle which is: A. Built on a single chassis; and B. Four hundred (400) square feet or less when measured at the largest horizontal projection; and C. Designed to be self-propelled or permanently towable by a light duty truck; and D. Designed primarily not for use as a permanent dwelling but as a temporary living quarters for recreational, camping, travel, or seasonal use. 29. “Repetitive Loss” means a structure covered by an NFIP flood insurance policy that has incurred flood-related damages on two occasions during a 10-year period on the date of the event for which a second claim is made, in which the cost of repairing the flood damage, on average, equaled or exceed 25% of the market value of the structure at the time of each such flood event. 30. “Routine maintenance of existing buildings and facilities” means repairs necessary to keep a structure in a safe and habitable condition that do not trigger a building permit, provided they are not associated with a general improvement of the structure or repair of a damaged structure. Such repairs include: A. Normal maintenance of structures such as re-roofing, replacing roofing tiles and replacing siding.