Agenda Packet 5-20-19 Work Session

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May 7, 2019 Clear & Objective Update – Draft Land Use Code Language Page 12 of 32 2.Significant trees within a stand of trees; and 3.Individual significant trees.] (a)Definitions. For the purposes of this subsection (2), the following definitions apply: 1.Significant Tree. A living, standing tree having a trunk with a minimum diameter breast height of 8 inches, or, when there are multiple trunks, having a minimum cumulative diameter breast height of 8 inches, considering the 2 largest trunks measured at 4.5 feet above mean ground level at the base of the trunk or trunks. Invasive species listed in Table 9.6885(2)(d)4. are not significant trees. 2.Significant Tree Cluster. A group of five or more significant trees where each tree in the group shares overlapping branches with at least one other tree in the group. 3.South Hills Area: All properties located within the City’s adopted Urban Growth Boundary, above an elevation of 500 feet, and: a.South of 18th Avenue, b.South of Franklin Boulevard and East of the intersection of 18th Avenue and Agate Street, or c.If 18th Avenue were extended from the intersection of 18th Avenue and Willow Creek Road directly west to the Urban Growth Boundary, the area south of that extension of 18th Avenue. 4.Tree Preservation and Removal Plan. A written report and site plan prepared by a certified arborist or licensed landscape architect that includes all significant trees on the development site and their critical root zones (CRZ). This plan shall specify trees to be preserved, trees to be removed, and trees to be mitigated according to 9.6885(2)(d)5. This plan shall include proposed lot or parcel boundaries. For development sites within the South Hills Area, this plan shall delineate areas between 500 and 700 feet elevation, between 700 and 900 feet elevation, and areas above 900 feet elevation. (b)Exemptions. A proposed development shall be exempt from the requirements of EC 9.6885(2) if either of the following apply: 1.The development site is 13,500 square feet or less and not located in the South Hills Area. 2.There are fewer than four significant trees on the development site. 3.The development site is in the R-1.5 Rowhouse zone. (c)Tree Preservation and Removal Plan. An applicant must submit a Tree Preservation and Removal Plan, prepared by a certified arborist or licensed landscape architect, that includes all of the following: 1.Locations of all significant trees on the development site. For each tree to be preserved, include the critical root zone (CRZ), protective fencing location, and a percentage calculation of impacts to the CRZ. For a tree to be counted as a preservation tree, CRZ impacts of more than 30 percent are not allowed. 2.The location of all public and private utility easements, driveways, and areas of grading or excavation on the development site. 3.All proposed development on the site and proposed lot or parcel boundaries. 4.Identification of trees to be preserved, removed, or mitigated according to 9.6885(2)(d)3. 5.For development sites within the South Hills Area, delineate areas between 500 and 700 feet elevation, between 700 and 900 feet elevation, and areas above 900 feet elevation. 6.A table with the Diameter Breast Height (d.b.h.), genus, species, location factor, size factor, key species factor, and tree rating scoreMay 20, 2019, Work Session – Item 2