16.18E.050 Activities allowed in geologically hazardous areas

A. Erosion and Landslide Hazard Areas. Except as otherwise provided for in this chapter, only those activities approved and permitted consistent with an approved critical area report in accordance with this chapter shall be allowed in erosion or landslide hazard areas.

B. Seismic Hazard Areas. The following activities are allowed within seismic hazard areas:

1. Construction of new buildings with less than two thousand five hundred square feet of floor area or roof area, whichever is greater, and which are not residential structures or used as places of employment or public assembly;

2. Additions to existing single-story residences that are two hundred fifty square feet or less; and

3. Installation of fences.

C. Mine Hazard Areas. The following activities are allowed within mine hazard areas:

1. Construction of new buildings with less than two thousand five hundred square feet of floor area or roof area, whichever is greater, and which are not residential structures or used as places of employment or public assembly;

2. Additions to existing residences that are two hundred fifty square feet or less; and

3. Installation of fences.

D. Volcanic Hazard Areas. The following activities are allowed within volcanic hazard areas:

1. Construction of new buildings with less than two thousand five hundred square feet of floor area or roof area, whichever is greater, and which are not residential structures or used as places of employment or public assembly;

2. Additions to existing residences that are two hundred fifty square feet or less; and

3. Installation of fences.

E. Other Hazard Areas. The mayor or designee may allow the following activities within other geologically hazardous areas, if the activity will not increase the risk of the hazard:

1. Construction of new buildings with less than two thousand five hundred square feet of floor area or roof area, whichever is greater, and which are not residential structures or used as places of employment or public assembly;

2. Additions to existing residences that are two hundred fifty square feet or less; and

3. Installation of fences. (Ord. 1104-15 § 1 (Att. A)).