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I <br /> i <br /> I <br /> of such maintenance and repair the applicant is replacing less than 50°,~ of the length of the <br /> stormwater drainage system on the development site. <br /> j An applicant can seek an adjustment to the requirement that the selected pollution reduction <br /> ' facilities treat all of the stormwater runoff that will result from the water quality design storm if the <br /> selected pollution reduction facility will treat as much of the nlnoff as possible and one of the <br /> following applies: (1) the area generating untreated runoff is Iess than X00 square feet of impervious <br /> ~ surface and is isolated from the pollution reduction facility; (?)the area generating untreated runoff <br /> is less than 500 square feet of impervious surface and it is not technically feasible to drain the <br /> untreated runoff to the pollution reduction facility; (3) constructing pollution reduction facilities to <br /> ~ treat the runoff from the area at issue would require removal of trees or damage other natural <br /> resources; or, (4) the area generating untreated runoff is less than 500 square feet of impervious <br /> surface and limited access to the area would prevent regular maintenance of the pollution reduction <br /> facility. EC 9.8030(22)(a). <br /> 3. An applicant can seek an adjustment to the requirement that all pollution reduction facilities must <br /> be selected, sited and constructed in accordance with the Stormwater Management Manual and that <br /> ' all facilities must be designed using one of the three methodologies outlined in the Manual if all of <br /> the following requirements are met: (1) the proposed alternative design will achieve equal, or <br /> superior, results for reducing pollution, maintainability and safety and the proposed siting does not <br /> adversely affect structures or other properties; (?)the applicant's written description of the proposed <br /> alternative design has been reviewed and approved by the City Engineer; (3) the applicant has <br /> ~ submitted a method and schedule for monitoring the effectiveness of the proposed design; and, (41 <br /> the applicant has submitted a signed statement that the applicant will replace the alterative facility if <br /> j the facility does not function as proposed. <br /> 4. .fin applicant can seek an adjustment to the requirement that the applicant demonstrate that peal: <br /> rates of flow delivered to an existing open waterway at a point above 500 feet will not increase <br /> during= storms larger than the water quality design storm and smaller than the flood control design <br /> j ~ storm as a result of the subject development if the proposed flow control facility will control flow <br /> <br /> r rates as much as possible and one of the following applies: (1 > the area generating untreated runoff is <br /> less than 500 square feet ofimpervious surface and is isolated from the flow control facility; the <br /> area generating runoff is less than 500 square feet of impervious surface and it is not technically <br /> feasible to drain the untreated runoff to the pollution reduction facility; (3) constructing pollution <br /> reduction facilities to treat the runoff from the area at issue v~~ould require removal of trees or damage <br /> other natural resources; or, (4) the area generating untreated runoff is less than 500 square feet of <br /> impervious surface and limited access to the area would prevent regular maintenance of the flow <br /> control faciliti~. <br /> S. .An applicant can seek an adjustment to the requirement that all floe control facilities must be <br /> selected from and sited. designed and constricted according to the Stormwater Management Manual <br /> ii all of the following requirements are met: (1 ~ the proposed alternative desi~ will achieve equal. or <br /> exhibit A to .Adnnmstrative Order No. 5 of 10 <br /> Fmdin«s of Consistenc`~ <br /> I ,e main~Ullf~98~~1''?a~,0(i?=7~O5.D0~~~ <br /> 1 <br /> <br />