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Comment 2: The definition of`2'erimeter Control" allows no stormwater to leave the <br />site in a five-year storm. event. This seems unreasonable. Is the correct reading of the rule <br />that they only apply perimeter control measures to stockpiled material? <br />Windings: Perimeter controls are an.option available to protect both exposed soils and <br />stockpiles, but perimeter controls aze not the only option. During the wet weather season all <br />exposed soil and stockpile areas not protected byperimeter control must be covered During <br />the non-wet weather season soils and stockpile azeas cazmot be exposed to precipitation or <br />stonmwater runoffwithout the provision of secondary containment, perimeter controls and <br />other approved BMPs. Thus, .during the wet-weather season exposed so~7s and stockpile <br />areas must be covered, which is our preferred BMP, or other measures must be taken so that <br />no runoff leaves the sitd during any storm events up to a five yeaz storm, i.e., perimeter <br />controls. During the non-wet weather season the applicant has more options to choose from <br />They could cover. all soils, provide secondary treatment, which inchule both a preventative <br />measure and a coutrol.measure, or not allow. runoff to leave the site during any storm event <br />up to a five-year storm No changes were made to this rule as a result of this comment. <br />Now, therefore, based on the findings in Administrative Order No. 58-03-O1 and the above <br />findings, which aze hereby adopted, and pursuant to the authority contained in Sections 2.019 and <br />6.645 of the Eugene .Code, 1971, I hereby repeal Administrative Order No. 58-00-26-F as of the <br />effective date of this Order, and adopt the Erosion Prevention and Construction Site 1Vlanagement <br />Practices Administrative Rule 6.645, to provide as.follows: <br />EROSION PREVENTION AND CONSTRUCTION SITE <br />MANAGEMENT PRACTICES ADMINISTRATIVE RULER 6.645 <br />R-6.645-A Purnose and Intent. <br />1. Purpose. These rules implement Sections 6.625 to 6..645 of the Eugene Code, 1971, <br />..which were adopted to restrict .the. discharge of sediments or other,constructionr~lated materials, <br />,i 4 including hazardous substances, into the City's stormwater system.in order to: <br />1.1 Prevent or nrinimize, to the maximum extent practicable, negative impacts to. <br />adjacent properties, water quality and Related Natural Resource. Areas resulting from <br />construction activities; and <br />1.2 Maintain the capacity of the .City's stormwater system by minimizing <br />sedimentation. <br />2. Intent. The intent of these rules, in implementing sections 6.625 to. 6.645 of the <br />Eugene Code, 1971, is to ensure that construction related activities prevent or minimize erosion, <br />Administrative Rule - 2 <br />L:fl'~:MY~A3hkosioo!'iev-2aU.wpd <br />