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2. Fire-retardant treated wood identified for exterior use and meeting the <br />requirements of Section 2303.2 of the International Building Code, <br />3. Ignition resistant building materials in accordance with section 503.2 or <br />602 Automatic Sprinkler Systems: Section 602 shall not apply to building permit <br />applications submitted prior to March 15, 2018. This exception shall not apply to <br />areas as “IR 1 (No Site Assessment Allowed)” on the Kittitas County Wildland <br />Urban Interface Areas map. <br />Section 603.2.2 Trees. Trees are allowed within the defensible space, provided the <br />horizontal distance between crowns of adjacent trees and crowns of trees and <br />structures, overhead electrical facilities or unmodified fuel is not less than 10 feet <br />(3048 mm). A clump of trees may be considered to be one tree for the purpose of <br />meeting the 10-foot separation requirement, provided: <br />1. A minimum of 10 feet of separation is provided between the structure and <br />any vegetation or the crowns of any trees. <br />2. Trees within the clump shall be native to the local area. <br />3. The maximum number of trees in any given clump shall be limited to three <br />(3). <br />4. Trees within a clump shall be within a 15-foot diameter of each other as <br />measured on the outside of the tree trunks. <br />Alternatives to tree spacing and separation requirements may be approved by the <br />code official based on a recommendation from an NFPA Certified Wildfire <br />Mitigation Specialist or a certified forester. <br /> <br />A covenant shall be required for all new land divisions resulting in more than 10 <br />lots that requires all future landowners of the lots to comply with defensible space <br />provisions after construction. <br />(Ord. 2021-xxx, 2021; Ord. 2019-007, 2019 Ord. 2018-005, 2018 Ord. 2013-013, 2013) <br />