§ 16.40.050.5.1. Information for development in flood hazard areas.

The site plan or construction documents for any development subject to the requirements of this section shall be drawn to scale and shall include, as applicable to the proposed development:

1.

Delineation of flood hazard areas, floodway boundaries and flood zone(s), base flood elevation(s), and ground elevations if necessary for review of the proposed development.

2.

Where base flood elevations, or floodway data are not included on the FIRM or in the FIS, they shall be established in accordance with section 16.40.050.5.2(2) or (3).

3.

Where the parcel on which the proposed development will take place will have more than 50 lots or is larger than five acres and the base flood elevations are not included on the FIRM or in the FIS, such elevations shall be established in accordance with section 16.40.050.5.2(1).

4.

Location of the proposed activity and proposed structures, and locations of existing buildings and structures.

5.

Location, extent, amount, and proposed final grades of any filling, grading, or excavation.

6.

Where the placement of fill is proposed, the amount, type, and source of fill material; compaction specifications; a description of the intended purpose of the fill areas; and evidence that the proposed fill areas are the minimum necessary to achieve the intended purpose.

7.

Existing and proposed alignment of any proposed alteration of a watercourse.

8.

The grade elevations on project lots shall show existing and proposed grade elevations and elevations of existing and proposed structures including retaining walls and swales, etc. The grade elevations on abutting property lots shall be shown from one to 12 inches from each property line and there shall be a minimum of elevations or shots shown at all corners and two equally spaced elevations between corners. The site plan must provide positive drainage away from the building site to an approved point of collection that does not create a hazard or problem on neighboring properties. The Building Official or Deputy Building Official may require additional locations if deemed necessary for proper drainage analysis. The authority having jurisdiction may require elevations for additions and pools in special flood hazard areas if necessary.

The Building Official is authorized to waive the submission of site plans, construction documents, and other data that are required by this section but that are not required to be prepared by a licensed professional if it is found that the nature of the proposed development is such that the review of such submissions is not necessary to ascertain compliance with this section.

(Ord. No. 98-H, § 1, 12-5-2013; Ord. No. 316-H, § 3, 12-14-2017)