In all areas of special flood hazards the following standards are required:
(A) Anchoring:
1. All new construction and substantial improvements shall be anchored to prevent flotation, collapse or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including the effect of buoyancy.
2. All manufactured homes must likewise be anchored to prevent floatation, collapse, or collateral movement, and shall be installed using methods and practices that minimize flood damage. Anchoring methods may include, but are not limited to, use of over-the-top and frame ties to ground anchors (reference FEMA’S “Manufactured Home Installation and Flood Hazard Areas” guidebook for additional techniques).
3. An alternative method of anchoring may involve a system designed to withstand a wind force of ninety (90) miles per hour or greater. Certification must be provided to the Building Inspector that this standard has been met.
(B) Construction Materials And Methods:
1. All new construction and substantial improvements shall be constructed with materials and utility equipment resistant to flood damage.
2. All new construction and substantial improvements shall be constructed using methods and practices that minimize flood damage.
3. All new and replacement electrical, heating, ventilation, plumbing and air conditioning equipment and other service facilities shall be designed and/or otherwise elevated or located so as to prevent water from entering or accumulating within the components during conditions of flooding.
(C) Utilities:
1. All new and replacement water supply systems shall be designed to minimize or eliminate infiltration of flood waters into the system;
2. New and replacement sanitary sewerage systems shall be designed to minimize or eliminate infiltration of flood waters into the systems and discharge from the systems into the flood waters; and
3. On site waste disposal systems shall be located to avoid impairment to them or contamination from them during flooding.
(D) Subdivision And Other Development Proposals:
1. All subdivision and other development proposals shall be consistent with the need to minimize flood damage;
2. All subdivision and other development proposals shall have public utilities and facilities such as sewer, gas, electrical, and water systems located and constructed to minimize flood damage;
3. All subdivision and other development proposals shall have adequate drainage provided to reduce exposure to flood damage; and,
4. Base flood elevation data shall be provided for all subdivision and other development proposals which contain at least fifty (50) lots or five (5) acres (whichever is less).
(E) Review Of Building Permits: Where elevation data is not available either through the flood insurance study or from another authoritative source, applications for building permits shall be reviewed to assure that proposed construction will be reasonably safe from flooding. The test of reasonableness is a local judgment and includes use of historical data, high water marks, photographs of past flooding, etc., where available. Failure to elevate at least two feet (2') above grade may result in higher insurance rates. (Ord. 964, 7-20-1981; amd. Ord. 1008, 4-20-1987; Ord. 1393, 5-3-2022)