BOCC Exhibits A-E ECY Approved SMP-Code Amendments

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Kittitas County Board of County Commissioners Shoreline Master Program Adopting Ordinance Kittitas County Shoreline Master Program Exhibit D | March 2016 | Page 300 of 339 7. New structural stabilization for new non-water-dependent development, including single- family residences, is permitted only if it can be demonstrated that: a. The erosion is not being caused by upland conditions, such as the loss of vegetation and drainage; b. Nonstructural measures, such as placing the proposed use or development further from the shoreline, planting vegetation, or installing on-site drainage improvements, are not feasible or not sufficient; and c. The need to protect primary structures from damage due to erosion is demonstrated through a geotechnical report that states damage was caused by natural processes, such as stream processes or waves. 8. New structural stabilization for water-dependent development is permitted only if it can be demonstrated that: a. The erosion is not being caused by upland conditions, such as the loss of vegetation and drainage; b. Nonstructural measures, planting vegetation, or installing on-site drainage improvements, are not feasible or not sufficient; and c. The need to protect primary structures from damage due to erosion is demonstrated through a geotechnical report. 9. New structural stabilization to protect projects for the restoration of ecological functions or hazardous substance remediation projects is permitted only if it can be demonstrated that nonstructural measures, planting vegetation, or installing on-site drainage improvements, are not feasible or not sufficient. 10. An existing shoreline stabilization structure may be replaced with a similar structure if there is a demonstrated need to protect primary uses or structures or public facilities from erosion caused by stream undercutting or wave action. 11. Soft shoreline stabilization measures that provide restoration of shoreline ecological functions may be permitted waterward of the OHWM, provided a geotechnical analysis documents that alternative solutions are not feasible or do not provide sufficient protection. 12. Replacement walls or bulkheads shall not encroach waterward of the OHWM or existing structure unless the residence was occupied prior to January 1, 1992, and there are overriding safety or environmental concerns. In such cases, the replacement structure shall abut the existing shoreline stabilization structure. 13. All new, expanded, or replacement shoreline stabilization shall be permitted only if it can be demonstrated that the erosion rate exceeds that which would normally occur in a natural condition, that the measure does not interfere with fluvial hydrological and geo- morphological processes normally acting in natural conditions, and that the proposed measures will not result in a net loss of shoreline ecological functions. 14. For purposes of this Section, "replacement" means the construction of a new structure to perform a shoreline stabilization function of an existing structure which can no longer adequately serve its purpose. Additions to or increases in size of existing shoreline stabilization measures shall be considered new structures. 15. Geotechnical reports that address the need to prevent potential damage to a primary structure shall address the necessity for shoreline stabilization by estimating time frames and rates of erosion and report on the urgency associated with the specific situation. Hard armoring solutions should not be authorized except when a geotechnical report confirms that there is a significant possibility that the primary structure will be damaged within three (3) years as a result of shoreline erosion in the absence of hard armoring measures, or where waiting until the need is that immediate, would foreclose the opportunity to use measures that avoid impacts on ecological functions. Where the geotechnical report confirms a need to prevent potential damage to a primary structure, but the need is not as