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<br />5. Have a proposed design, suggested location and phased implementation of effective, <br />practicable storm water management measures for plans designed, engineered and <br />implemented to achieve the following results: <br /> <br />(1) Volume control. <br />Designer shall be required to provide soil boring analysis to determine the infiltration rate <br />prior to approval of plans. <br /> <br />(2) Phosphoros control. <br /> <br />(4) Oil and g1:ease control. <br /> <br /> <br />d all other uses where <br />ne-half (0.5) inch of <br />ology available. 1bis <br />demonstrate that installation <br /> <br />Storm water shall be treated to remove sixty (60) percent of the p <br />phosphoros load on an annual basis before discharge to na <br />quality ponding is exclusively used to meet the phosphoros <br />must be sized to store the site runoff from a two and one- <br />normal outlet elevation. <br /> <br />(3) Total Suspended Solids <br />Treatment also must achieve a sixty (60) perce <br /> <br />For all storm water plans for commer . <br />the potential for pollution by oil or g1:eas <br />runoff will be treated using the best oil an <br />requirement may be waiv e city whe <br />of such practices is no <br /> <br />(5) <br /> <br />(b) <br /> <br />ed, installed and maintained to effectively <br /> <br />off rates for the two (2) year, twenty-four (24) hour <br /> <br />t peak runoff rates for the ten (10) year, twenty-four (24) hour <br />the storm sewer system shall be designed for this storm event. <br />Low areas must have acceptable overland drainage route with the proper transfer capacity <br />when the event is exceeded. <br /> <br />c. Minimize predevelopment peak runoff rates for the one hundred (100) year, twenty-four <br />(24) hour storm event. <br /> <br />(b) Outlets. <br /> <br />Discharges from new construction sites must have a stable outlet capable of carrying <br />designed flow at a non-erosive velocity. Outlet design must consider flow capacity and flow <br />duration. 1bis requirement applies to both the site outlet and the ultimate outlet to the storm <br /> <br />13 <br />