Admin Order 58-03-01-F - Laserfiche WebLink

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Comment 2: The definition of"Perimeter Comrol" allows no stormwater to leave the site in a five-year storm evem. This seems unreasonable. Is the correct reading of the role that they only apply per/meter control measures to stockpiled material? Findings: Per~eter comrols are an option available to protect both exposed soils and stockpiles, but per/meter controls are not the only option~ During the wet weather season all exposed soil and stockpile areas not protected by perimeter control must be covered. During the non-wet weather season soils and stockpile areas cannot be exposed to precipitation or stormwater runoff without the provision of secondary conta'mment, perimeter controls and other approved BMPs. Thus, during the wet-weather season exposed soils and stockpile areas must be covered, which is our preferred BMP, or other measures must be taken so that no rtmoff leaves the site during any storm events up to a five-year storm, i.e., perimeter controls. During the non-wet weather season the applicant has more options to choose from They could cover all so~, provide secondary treatment, which include both a preventative measure and a control measure, or not allow runoffto leave the site during any storm event up to a five-year storm No changes were made to this rule as a result of this comment. Now, therefore, based on the findings/n Admin/strative Order No. 58-03-01 and the above findings, which are hereby adopted, and pursuant to the authority contained in Sections 2.019 and 6.645 of the Eugene Code, 1971, I hereby repeal Administrative Order No. 58-00-26-F as of the effective date of th/s Order, and adopt the Erosion Prevention and Construction Site Management Practices Admin/strative Rule 6.645, to pro,ride as follows: EROSION P~VENTION AND CONSTRUCTION SITE MANAGEMENT PRACTICES ADMINISTRATIVE RULE R-6.645 R-6.645-A Purpose and Intent, 1, Purpose. These roles implement Sections 6.625 to 6.645 of the Eugene Code, 1971, which were adopted to restrict the discharge of sediments or other construction related materials, including hazardous substances, into the City's stormwater system in order to: 1.1 Prevent or m/nimize, to the max/mm extent practicable, negative impacts to adjacent properties, water quality and Related Natural Resource Areas result/ng fi:om construction activities; and t.2 Mainta/n the capacity of the City's stormwater system by mkfimizing sedimemation. 2. Intent. The intent of these rules, in implementing sections 6.625 to 6.645 of the Eugene Code, 1971,/s to ensure that construction related activities prevent or minimize erosion~ Administrative Rule - 2 C \l~EMP~03hmstonPrew2a. o wlxt