Exhibit A KCC 17A Revisions - Laserfiche WebLink

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Kittitas County, WA § 17A.02.470 CRITICAL AREAS § 17A.02.520 Downloaded from https://ecode360.com/KI6857 on 2025-05-15 h. linear fractures in the ground. 11. Areas below unstable slopes or that have been identified as landslide hazard areas that could be impacted by landslide run out. 12. Areas above or adjacent to unstable slopes that could be impacted if the landslide area expands. (Ord. 2021-016, 2021) § 17A.02.480. Mine hazard areas. "Mine hazard areas" are areas underlain by abandoned mine shafts, secondary passages between shaft tunnels, or air vents. Mine hazards include subsidence, which is the uneven downward movement of the ground surface caused by underground workings caving in; contamination to ground and surface water from tailings and underground workings; concentrations of lethal or noxious gases; and underground fires. (Ord. 2021-016, 2021) § 17A.02.490. Mining. "Mining" means the removal of sand, gravel, soil, minerals, and other earth materials for commercial and other uses. Mining does not include mineral prospecting conducted according to the most current WAC for mineral prospecting under the hydraulic code. (Ord. 2021-016, 2021) § 17A.02.500. Mitigation sequencing. "Mitigation sequencing" means a process used to guide mitigation decisions and determine the type and level of mitigation required. It follows a three (3) step process, described in 17A.01.100: 1. Avoiding the impact altogether by not taking a certain action or parts of an action; 2. Minimizing impacts by limiting the degree or magnitude of the action and its implementation, by using appropriate technology, or by taking affirmative steps to avoid or reduce impacts; 3. Rectifying the impact by repairing, rehabilitating, or restoring the affected environment; 4. Reducing or eliminating the impact over time by preservation and maintenance operations during the life of the action; 5. Compensating for the impact by replacing, enhancing, or providing substitute resources or environments; and/or 6. Monitoring the impact and taking appropriate corrective measures. (Ord. 2021-016, 2021) § 17A.02.510. Monitoring. "Monitoring" means evaluating the impacts of proposed developments on the biological, hydrological, and geological elements of such systems, and assessing the performance of required mitigation measures throughout the collection and analysis of data by various methods for the purpose of understanding and documenting changes in natural ecosystems and features, including gathering baseline data. (Ord. 2021-016, 2021)