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(A) All structures and other developments shall be constructed and placed on the lot so as to offer the minimum obstruction to the flow of water and shall be designed to have a minimum obstruction effect upon the flow and height of flood water.
(B) Whenever possible, structures shall be constructed with the longitudinal axis parallel to the direction of flood flow.
(C) So far as practicable, structures shall be placed approximately on the same flood-flow lines as those of adjoining structures.
(Ord. passed 5-4-1992; Ord. passed 2-8-2010)
All structures and other developments, including stream crossings, shall be firmly anchored in accordance with accepted engineering practices to prevent flotation, collapse, and lateral movement, thus reducing the threat to life and property and decreasing the possibility of the blockage of bridge openings and other restricted sections of the watercourse. All air ducts, large pipes, and storage tanks located at or below the base flood elevation shall be firmly anchored to resist flotation.
(Ord. passed 5-4-1992; Ord. passed 2-8-2010)
(A) No materials that are buoyant, flammable, explosive, or, in times of flooding, could be injurious to human, animal, or plant life shall be stored below base flood elevation.
(B) Storage of other material or equipment may be allowed if not subject to major damage by floods and firmly anchored to prevent flotation or readily removable from the area within the time available after flood warning.
(C) Due to the potential of masking the natural elevation and making it more difficult to enforce this chapter, material that resembles fill material shall not be considered storage material for purposes of this section.
(Ord. passed 5-4-1992; Ord. passed 2-8-2010)
(A) All new or replacement water systems, whether public or private, shall be designed to minimize or eliminate infiltration of flood waters into the systems.
(B) All new or replacement sanitary disposal systems, whether public or private, shall be designed to minimize or eliminate infiltration of flood waters into the systems and discharges from the systems into flood waters.
(C) All other new or replacement public and/or private utilities and facilities shall be located and constructed to minimize or eliminate flood damage.
(D) Onsite waste disposal systems shall be located to avoid impairment to them or contamination from them during flooding.
(Ord. passed 5-4-1992; Ord. passed 2-8-2010)
(A) Except as provided in division (B) below, appurtenant structures shall be located out of the floodplain area or elevated to two feet above the base flood elevation.
(B) Where appurtenant structures not connected to the principal structure are to be located on sites below the base flood elevation, the following flood damage reduction provisions apply:
(1) Structures shall be no more than 600 square feet in size and valued at less than $10,000;
(2) Floors shall be at or above grade on at least one side;
(3) Structures shall be located, oriented, and constructed to minimize flood damage;
(4) Structures shall be designed (or modified) and adequately anchored to prevent flotation, collapse, or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including the effects of buoyancy;
(5) Flood-resistant materials as detailed in FEMA Technical Bulletin 2-93 (FIA-TB-2) shall be used in the construction of the structure from the lowest structural element to two feet above the base flood elevation;
(6) Machinery, electric devices or appliances, and all utilities shall be located at least two feet above the base flood elevation;
(7) The venting requirements contained in § 156.036 are applicable and shall be strictly adhered to.
(C) In addition, a Non-conversion Agreement shall be signed by the applicant stating that the use of the appurtenant structure or detached or attached garage shall not be changed from the use permitted, acknowledging that the structure may be subject to greater flood risk and that higher flood insurance premiums may be possible, and that a change in use may require full compliance with this chapter. The applicant agrees to notify prospective buyers of the existence of this agreement. It shall be the responsibility of the applicant to transfer the agreement at closing to the new owner via notarized signature, a copy of all new agreements shall be provided to the Floodplain Administrator. Failure to transfer the agreement and provide a signed copy to the Floodplain Administrator shall subject the violator to the penalties set forth in § 156.999.
(Ord. passed 2-8-2010) Penalty, see § 156.999
(A) A flood protection setback equal to twice the width of the watercourse channel measuring from the top of one bank to the top of the opposite bank or 50 feet, whichever is less, shall be maintained from the top of the banks of all watercourses. To reduce erosion, natural vegetation shall be maintained in this area. Where natural vegetation does not exist along the watercourse and conditions for replanting are suitable, high priority shall be given to planting vegetation in the setback area to stabilize banks and enhance aquatic resources.
(B) Necessary public works and temporary construction may be exempted from this section.
(C) The Floodplain Administrator may consider an appeal to the flood protection setback requirement if the applicant demonstrates that it is impossible to allow any development without encroachment into the flood protection setback area. The appeal conditions shall be the minimum necessary and shall be made only after due consideration is given to varying other siting standards, such as side, front, and back lot line setbacks.
(Ord. passed 2-8-2010)
ADMINISTRATION
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