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Kittitas County,WA <br /> § 17A.06.030 CRITICAL AREAS § 17A.06.040 <br /> 2. Impact avoidance. Impact avoidance measures shall include, but not be limited to, locating the use/ <br /> development outside of the hazard area, reducing the number, size or scale of buildings, driveways <br /> and other features; altering the configuration or layout of the proposed development; using <br /> environmentally favorable construction materials; implementing special engineering methods for <br /> construction, drainage, runoff management etc.; foregoing construction of accessory structures; <br /> preserving native vegetation; and other reasonable measures. <br /> 3. Location of alterations. New development shall be directed toward portions of a parcel or parcels <br /> under contiguous ownership that are not subject to, or at risk from, geological hazards and/or are <br /> outside any setback or buffer established by this Chapter. <br /> 4. Critical facilities prohibited. Critical facilities shall not be sited within landslide, erosion,alluvial fan, <br /> or mine hazard areas unless there is no other practical alternative. <br /> 5. Review by qualified professional. A qualified geologist or engineering geologist, or professional <br /> engineer licensed in the state of Washington, shall review development projects that occur in <br /> potentially geologically hazardous areas to determine the risk. If development takes place within an <br /> identified geologically hazardous area requiring design or structural elements to mitigate the hazard, <br /> a report describing the geologically hazardous area and conditions shall be prepared as described in <br /> KCC § 17A.06.100, and the design shall be approved by an qualified engineering geologist, or <br /> professional engineer licensed in State of Washington with expertise in geologically hazard mitigation. <br /> 6. Life of structure. Proposed developments shall be sited far enough from erosion and landslide hazard <br /> areas to ensure at least one hundred (100) years of useful life for the proposed structure(s) or <br /> infrastructure. The location should be determined by a qualified geologist or engineering geologist, <br /> licensed in the state of Washington and be should be based on site specific evaluation of the landslide <br /> and/or erosion hazard. <br /> (Ord. 2021-016,2021) <br /> § 17A.06.040. Landslide hazard area standards. <br /> 1. Generally. Alterations and development may be allowed adjacent to landslide hazard areas,provided <br /> that all responsible measures have been taken to minimize risks and other adverse effects, and the <br /> amount and degree of the alteration are limited to minimum needed to accomplish the project purpose. <br /> Prior to approving a new alteration or development in or adjacent to a landslide hazard area the <br /> Director shall determine that all the following standards are met: <br /> a. A minimum setback equal to the height of the slope or 40 feet, whichever is greater or as <br /> recommended in an approved geotechnical report; <br /> b. The alteration or development includes all appropriate measures to eliminate, reduce, or <br /> otherwise mitigate risks to health and safety; <br /> C. The alteration or development is located outside of a landslide hazard area and any required <br /> setback, as determined by a qualified engineer, engineering geologist, or geologist, licensed in <br /> the state of Washington; <br /> d. The alteration or development will not decrease slope stability on adjacent properties; <br /> e. The alteration or development shall not increase the risk or frequency of landslide occurrences; <br /> f. The removal and disturbance of vegetation, clearing, or grading shall be limited to the area of <br /> Downloaded from https:Hecode360.com/KI6857 on 2025-05-15 <br />