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Exhibit 1 1 3 <br /> 4. Increased buffer width is necessary to effectively include the riparian corridor <br /> of the stream; <br /> 5. A trail or utility corridor, as provided by Section 37.050, is proposed within <br /> the buffer; <br /> 6. A drainage or water quality improvement, approved by the city, is proposed <br /> within the buffer; <br /> 7. When the minimum buffer for a stream extends into an area with a slope of <br /> greater than twenty-five percent, the buffer shall be the greater of: <br /> a. The minimum buffer for that particular stream; or <br /> b. Twenty-five feet beyond the point where the slope becomes twenty-five <br /> percent or less. <br /> D. Standard Stream Buffer Width Reduction. The planning director may, using <br /> Review Process II.C, reduce the standard stream buffer width only when there has <br /> previously been substantial legal alteration of the stream and/or buffer on the <br /> subject lot or adjoining lots. The planning director shall require buffer width <br /> averaging rather than allowing a buffer width reduction except when the proposal <br /> includes a stream and buffer enhancement plan that improves the functional values <br /> of the buffer and the stream. An enhanced buffer shall not result in more than a fifty <br /> percent reduction in buffer width, and the reduced buffer shall not be less than the <br /> minimum dimension allowed by buffer width averaging. <br /> E. Riparian Wetland. Any stream adjoined by a riparian wetland shall have the buffer <br /> which applies to the wetland, unless the stream buffer requirement is more <br /> protective, in which case the stream buffer requirement shall apply. Riparian <br /> wetland and associated stream buffers shall not be reduced except as provided in <br /> Section 37.050 of this chapter. <br /> F. Standard Buffer Width Averaging. The city may allow buffer width averaging, <br /> provided that the total area on the lot contained within the averaged buffer is not <br /> less than that required within the standard buffer. The city may require buffer width <br /> averaging in order to provide protection to a particular portion of a stream which is <br /> especially sensitive or to incorporate existing significant vegetative or habitat <br /> features into the buffer. Averaging shall not adversely impact the functions and <br /> values of the stream system. In either case, the adjusted minimum buffer width shall <br /> not be less than fifty percent of the standard buffer width or ten feet, whichever is <br /> greater. <br /> Other Agency Requirements <br /> All actions undertaken by public or private parties within waters of the state lying within <br /> the City of Everett that have a potential to affect fish, shellfish or their habitat require a <br /> Hydraulic Project Approval under the provisions of WAC 220-110. A requirement of <br /> this program, administered by WDFW is that there be no net loss of the productive <br /> capacity of these waters. In addition, any project in the waters of the US that would <br /> affect navigation (almost all in-water construction) or result in dredging or fill placement <br /> require permits from the Corps of Engineers under Section 10 of the Rivers and Harbor <br /> j9 <br /> Section 3 General Goals, Objectives,Policies and Regulations Page 3-89 <br />