Resolution 3528 - Laserfiche WebLink

• The decision of the Responsible Official is supported by the record. Decision: Deny the appeal and affirm the mitigation requirements for surface water in the Decision Document, including requirements pertaining to the operation of the sand peat filter, water quality monitoring, and maintenance of on-site water quality control systems (Decision Document, Section V, A. General Mitigation (4) Surface Water, Conditions C &D). SECTION 9: WETLANDS & STREAMS AS PART OF SURFACE WATER MITIGATION Findings: e The Proposed Master Development Plan did include the construction of drainage detention facilities within two intermittent tributaries (A and B) of Japanese Creek. The proposed detention facilities also would have resulted in the elimination of Wetland K, and potentially impacted wetlands H and L (see DEIS Fig. 2-5: Master Plan; pp 2-15 to 2.16 & FEIS Fig. 3.2-6; also, see FEIS pg 3-31). • The Decision Document requires that these intermittent tributaries and the riparian wetlands adjacent to Tributary A be preserved and buffers of native vegetation be provided, as required by Section 37 of the City's Zoning Code (Environmentally Sensitive Areas). Tributaries C and D can be modified only if specific approval is granted by the Planning Director consistent with the City's Environmentally Sensitive Areas Regulations (Decision Document pp 21-22). The Decision Document includes the following specific requirements: - Stream Corridor A is a Category III stream, which contains riparian wetlands H, I, K and L. Culverting or development within the stream is not permitted. The stream and associated wetlands shall be preserved and a buffer of native vegetation adjacent to the stream and wetlands shall be provided (37.220.B.3). That buffer must be fifty (50) feet wide per Subsection 37.100.A.2 and 37.150.B.4 of the City Zoning Code as measured from the top of each side of the stream bank or edge of the wetland, whichever is greater. Per Subsection 37.150.B.6, if the stream is near a slope equal to or greater than twenty-five percent (25%) the buffer shall be the greater of fifty (50) feet from the top of the stream bank or twenty-five (25) feet beyond the top of the slope, as defined in Subsection 4.010.A.169.B of the Zoning Code. - Stream Corridor B is a Category III stream which shall be preserved and a buffer of native vegetation adjacent to the stream shall be provided. That buffer width must be twenty-five (25) feet per Subsection 37.150.B.4 of the City Zoning Code 14