§ 82-28.806. Duties and responsibilities of the floodplain administrator.

The duties and responsibilities of the floodplain administrator shall include, but not be limited to, the following:

(1)

Review Permits.

(a)

Review all floodplain permits to determine that the permit requirements of this chapter have been satisfied;

(b)

Review written statements required to be submitted by each applicant that all other required state and federal permits have been obtained;

(c)

Review floodplain permits for compliance with FEMA requirements for elevation of structures above the floodplain plus freeboard; and

(d)

Review floodplain permits for compliance with FEMA requirements so that the proposed development does not adversely affect the carrying capacity of the floodway. For purposes of this chapter, "adversely affect" means that the cumulative effect of the proposed development, when combined with all other existing and anticipated development, will increase the water surface elevation of the base flood more than 0.30 meters (one foot) at any point.

(2)

Use of Other Base Flood Elevation Data. When base flood elevation data has not been provided in accordance with Section 82-28.604, the floodplain administrator shall require, obtain, review and reasonably utilize any base flood elevation and floodway data available from a federal, state or other source, in order to administer Section 82-28.10. Generally speaking, consisting of more than ten new insurable structures will be required to determine the base flood elevation by developing a detailed hydrology and hydraulic study, including but not limited to, a back water analysis. Developments of ten or fewer insurable structures will be required to determine the base flood elevation using standards acceptable to the floodplain administrator.

(3)

Notify Agencies of Watercourse Alteration or Relocation. When a watercourse is to be altered or relocated, the floodplain administrator shall notify the Contra Costa County flood control and water conservation district, adjacent communities and the California Department of Water Resources prior to such alteration or relocation of the watercourse, send copies of such notice to the FIA, and require that the flood carrying capacity of the altered or relocated portion of said watercourse is maintained.

(4)

Maintain Records. The floodplain administrator shall be provided with, and shall maintain, the following records:

(a)

The certification required in Section 82-28.1002(3)(a) (floor elevations);

(b)

The certification required in Section 82-28.1002(3)(b) (elevations in areas of shallow flooding);

(c)

The certification required in Section 82-28.1002(3)(d)(iii) (elevation of floodproofing of nonresidential structures);

(d)

The certification required in Section 82-28.1002(3)(d)(i) or 82-28.1002(3)(d)(ii) (wet floodproofing standard);

e)

The certification of elevation required in Section 82-28.1006(2) (subdivision standards);

(f)

The certification required in Section 82-28.1010 (floodway encroachments); and

(g)

The information required in Section 82-28.1012(6) (coastal construction standards).

(5)

Determination of Boundaries. The floodplain administrator may make interpretations where needed, about the exact location of the boundaries of the areas of special flood hazards (for example, where there appears to be conflict between mapped boundaries and actual field conditions). Any person contesting the location of the boundary shall be given a reasonable opportunity to appeal the interpretation as provided in Section 82-28.12.

(6)

Remedy Violations. The floodplain administrator may take appropriate action to remedy violations of this ordinance as specified in Section 82-28.606, with the assistance of the code enforcement officer.

(Ords. 2000-33, 99-35, 96-11, 90-118, 88-50, 87-45).