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system constitutes acceptance of responsibility for compliance with any state or federal regulations <br /> that apply to the area or body of water receiving the runoff. To be eligible for the impact reduction, <br /> the owner mu$t guarantee that the system will function as intended. <br /> 6.1 Sin I le Famil Develo ment SFD and Du lex Develo ment <br /> ~ Y p ( ) P P <br /> i <br /> Because stormwater SDCs for SFDs and duplexes are based on average amounts of <br /> impervious surface, these buildings can qualify only for one of two impact reduction rates: <br /> a) 10~%SDC reduction for complete elimination and management of runoff from the site <br /> en eying the public system or discharging into an area which ultimately enters into the <br /> pudic system; or <br /> b) SO¢,/o reduction for partial reduction and management of runoff from the site entering the <br /> pudic system regardless of the amount of reduction. <br /> The SDC reduction will be granted after review and approval by the City Engineer of <br /> construction drawings, calculations, and other supporting documents prepared by a licensed <br /> Civil Engineer demonstrating how the reduction in runoff will be achieved, accompanied by <br /> a site Allan showing the proposed mitigating facility and locations of private and public <br /> stormwater facilities currently in use within and adjacent to the site. <br /> 6.2 Multi-family, Commercial, Industrial, and other Non-SFD Development <br /> Stormwater SDCs for these developments will be reduced proportional to the reduction in <br /> total stormwater runoff entering the public stormwater system from the fully-developed site. <br /> (Total stormwater runoff includes both runoff from the site in its natural condition and any <br /> increase due to construction of impervious surtaces). The SDC reduction will be granted <br /> after review and approval by the City Engineer of a report submitted by a licensed Civil <br /> Engineeir which includes a site plan showing the proposed mitigating facility and locations of <br /> private and public stormwater facilities currently in use within and adjacent to the site, existing <br /> natural drainage courses or other sources of water entering the site, construction drawings, <br /> calculations, and other supporting documents demonstrating how the reduction in runoff will <br /> be achieved and listing proposed maintenance operations with a maintenance schedule. <br /> i <br /> I <br /> <br /> City of Eugene SDC Methodology Stormwater, Page D-5 <br /> <br />