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source. Stormwater facilities shall be integrated into the wetland buffer as a natural <br /> drainage system. The slopes and all areas that are disturbed shall be planted with <br /> native vegetation consistent with a buffer enhancement/mitigation plan. Above <br /> ground concrete walls and structures are not permitted. Below grade structures may <br /> be permitted only if it can be shown to the satisfaction of the planning director that <br /> the use of such materials fits with the natural design of the proposed facility and does <br /> not interfere with wildlife passages or adversely impact biological functions of the <br /> buffer or the adjacent critical area. <br /> iii. The facilities must include a buffer enhancement and management plan that would <br /> improve the functional performance of the buffer and associated critical area. <br /> iv. The location of such facilities will result in no net loss of wetland ecological functions. <br /> For Category II, Ill, and IV wetlands and streams, the Planning Director may grant <br /> and exception to the outer 25% limitation when the applicant demonstrates that the <br /> project would significantly increase wetland or stream function. <br /> Staff Comment: Storm water improvements are proposed by the conceptual storm water <br /> plan within the Category III stream buffer and Category II wetland buffer. In addition to <br /> the limitations established in the SMP cited above, additional applicable standards are <br /> contained in the SMP critical areas rules. See recommended condition no. 40. <br /> 27. To the extent feasible, projects shall be designed to shield environmentally sensitive <br /> areas and their buffers from high noise generating activities such as vehicle loading and <br /> maneuvering areas and loud industrial activities through site design, use of fencing and <br /> berms, etc. <br /> 28. Lighting shall be directed downward onto the site and away from environmentally <br /> sensitive areas and their buffers. <br /> 30. Whenever feasible, construction staging areas shall be located outside of <br /> environmentally sensitive areas and buffers as defined in the SMP. <br /> Staff Comment: See recommended condition no. 36. <br /> 32. Monitoring shall be required for all projects where compensation is required for impacts <br /> to environmentally sensitive areas, and for projects where buffer enhancement and/or <br /> restoration is required. Monitoring requirements shall be based upon the performance <br /> standards defined for the project. Provisions shall be made for contingency measures to <br /> take in case the compensation does not meet performance standards within specified <br /> timeframes. <br /> 33. For all mitigation proposals incorporating buffer enhancement, a 5-year Set-Aside shall <br /> be required to cover the costs of monitoring, maintenance, and contingencies, including <br /> 50 percent of the cost of the plantings. The applicant's biologist shall submit a letter to <br /> the City upon installation of the buffer enhancement. Monitoring reports shall be <br /> submitted at the end of years 1, 3, and 5 following installation, unless more frequent <br /> reports are required in the approval. Contingencies must be implemented based upon <br /> the findings of the monitoring. The City may release the Set-Aside sooner than 5 years <br /> if the enhancement is determined by the City to be successful. <br /> Staff Comment: See recommended condition no 33. <br /> 7 <br />