The following factors shall be used to determine the classifications of various lands and their constraints to building and development on them:
(A) Floodplain corridor lands. Lands with potential stream flow and flood hazard. The following lands are classified as floodplain corridor lands:
(1) All land contained within the 100-year floodplain as defined by the Federal Emergency Management Agency, in maps adopted by the city municipal code;
(2) All land within the area defined as floodplain corridor land in maps adopted by the City Council as provided for in § 156.236 of this chapter;
(3) All lands which have physical or historical evidence of flooding in the historical past; and
(4) All areas within 20 feet (horizontal distance) of any creek designated for riparian preservation in division (B) below and depicted as such on maps adopted by the Council as provided for in § 156.236 of this chapter.
(B) Riparian preservation and wetland areas. The lands shown on the official maps as riparian areas. These areas are identified as 75 feet from the stream centerline for streams draining a basin of greater than one square mile, and 25 feet from a stream that drain areas of one square mile or less. It also includes any areas identified as wetlands or riparian in a Federal Section 404 Permit Process;
(C) Erosive and slope failure lands. Lands with potential erosion hazards. Erosive lands and slope failure lands are lands that are subject to damage from erosion and slope failure, or defined as erosion and slope failure lands on the sensitive area overlay map (see § 156.232 of this chapter) and have a slope of 25% or greater;
(D) Earthquake fault and hazard lands. Lands with identified earthquake faults and areas prone associated earthquake hazards such as debris flows, landslides, liquefaction and rock falls, as defined on the sensitive area overlay map (see § 156.232 of this chapter);
(E) Wildfire hazard lands. Lands with potential of wildfire, as defined on the sensitive area overlay map (see § 156.232 of this chapter);
(F) Sever constraint lands. Lands with severe development limitations which generally limit normal development. The following lands are classified as severe constraint lands:
(1) All areas which are within the floodway channels; and
(2) All lands with a slope greater the 25%.
(G) Classifications cumulative. The above classifications are cumulative in their effect and, if a parcel of land falls under two or more classifications, it shall be subject to the regulations of each classification. Those restrictions applied shall pertain only to those portions of the land being developed and not necessarily to the whole parcel.
(Prior Code, § 29.18.050) (Ord. 07-17, passed 8-30-2007)