10-13C-3: ADDITIONAL REQUIREMENTS FOR DEVELOPMENT IN THE FLOOD HAZARD AREA – FLOOD HAZARD DEVELOPMENT PERMIT:
A. In addition to the general requirements for development, above, all development in the flood hazard area shall meet the following additional requirements in this section.
B. Flood hazard development permit application prepared by a registered professional engineer shall be submitted before construction or development begins within any area of special flood hazard. Application for a flood hazard permit shall be made on forms furnished by the city engineer or designee and may include, but not be limited to, plans in duplicate drawn to scale showing the nature, location, dimensions and elevations of any development or substantial improvement, together with any existing structures, fill, storage of materials and drainage facilities. Specifically, the following information is required:
1. Elevation in relation to mean sea level, or the lowest floor (including basement) of all structures;
2. Elevation in relation to HCN (horizontal control network) to which any structure has been floodproofed;
3. Certification by a registered professional engineer that the floodproofing methods for any nonresidential structure meet the floodproofing criteria of FEMA and this chapter; and
4. Description of the extent to which any watercourse will be altered or relocated as a result of proposed development. Descriptions shall include details of erosion protection, floodplain cross sections, profiles, and any other relevant information, prepared by a registered professional engineer;
C. Land Use Authority:
1. City Engineer: The city engineer or designee is the land use authority to administer and implement this chapter and maintain for public inspection all records pertaining to the provisions of this chapter;
2. Authority: The city engineer or designee shall review flood hazard development permit applications to determine if:
a. All necessary permits have been obtained from federal, state or local governmental agencies from which prior approval is required,
b. The proposed development is located in the floodway,
c. The encroachment provisions of this chapter are met for any proposed development in the floodway;
D. Use of Other Base Flood Data: In areas where no base flood elevation data has been provided in accordance with section 10-13C-1 establishing the areas of special flood hazard, and the city engineer or designee determines flood hazards exist, the city shall advise property owners that flood conditions exist, and the city engineer or designee may use reasonable base flood elevations, floodway or related data available from other sources as criteria for any new construction, substantial improvements or other development that may be necessary to comply with the provisions of this chapter.
1. Information to Be Obtained and Maintained:
a. Obtain and record the actual elevation (in relation to mean sea level) of the lowest floor (including basement) of all new or substantially improved structures, and whether or not the structure contains a basement,
b. For all new or substantially improved floodproofed structures:
(1) Verify and record the actual elevation (in relation to mean sea level) to which the structure has been floodproofed,
(2) Maintain the floodproofing certifications required in section 10-13C-4;
2. Maintain for public inspection all records pertaining to the provisions of this chapter;
3. Alteration of Watercourses:
a. Notify affected communities and the state department of public safety prior to any alteration or relocation of the water course and submit evidence of such notification to FEMA,
b. Require that maintenance be provided within the altered or relocated portion of said watercourse, so the flood-carrying capacity is not diminished;
4. Interpretation of FIRM Boundaries: Make interpretations, where needed, with the exact location of the boundaries of the areas of special flood hazard;
E. Appeal Procedure: Persons contesting specific applications of this chapter may appeal those applications in accordance with chapter 3 of this title. (Ord. 2019-10-002, 10-10-2019)