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c. Marinas shall be located, designed, constructed and operated to avoid <br />or minimize adverse impacts on fish, wildlife, water quality, native shoreline vegetation, <br />navigation, public access, existing in -water recreational activities and adjacent water <br />uses. <br />d. Marinas shall submit a fuel spill prevention and contingency plan to the <br />City for approval. Haul -out and boat maintenance facilities must meet the City's <br />stormwater management requirements and not allow the release of chemicals, petroleum <br />or suspended solids to the river. <br />e. Marinas, boat yards and dry docks must be located a minimum of 100 <br />feet from fish and wildlife habitat areas. <br />f. New marinas, launch ramps and accessory uses must be located where <br />water depths are adequate to avoid the need for dredging. <br />3. Boat Launches and Boat Lifts. <br />a. Boat launch ramps and vehicle access to the ramps shall be designed <br />to not cause erosion; the use of pervious paving materials, such as grasscrete, are <br />encouraged. <br />b. Boat launch ramps shall be designed to minimize areas of landfill or the <br />need for shoreline protective structures. <br />c. Access to the boat ramp and parking for the ramp shall be located a <br />sufficient distance from any frontage road to provide safe maneuvering of boats and <br />trailers. <br />Cl. Launching rails shall be adequately anchored to the ground. <br />e. Launch ramps and boat lifts shall extend waterward past the OHWM <br />only as far as necessary to achieve their purpose. <br />f. Boat lifts and canopies must meet the standards of the U.S. Army Corps <br />of Engineers Regional General Permit Number 1 for Watercraft Lifts in Fresh and <br />Marine/Estuarine Waters within the State of Washington. <br />4. Over -water Structures. Where allowed, over -water structures such as <br />piers, wharves, bridges, and docks shall meet the following standards: <br />a. The size of new over -water structures shall be limited to the minimum <br />necessary to support the structure's intended use and to provide stability in the case of <br />floating docks. Structures must be compatible with any existing channel control or flood <br />management structures. <br />b. Over -water structures shall not extend waterward of the OHWM any <br />more than necessary to permit launching of watercraft, while also ensuring that watercraft <br />do not rest on tidal substrate at any time. <br />c. Adverse impacts of over -water structures on water quality, river flows, <br />fish habitat, shoreline vegetation, and public access shall be minimized and mitigated. <br />Mitigation measures may include joint use of existing structures, open decking or piers, <br />W: Legislative Development\SMP-Zoning Code changes 2-25-20 <br />MD:bjs Review and analysis by Barbara Saxton Page 28 of 64 <br />