Ordinance -- Page 9 of 10 <br />1. The proposed alternative design will achieve equal, or superior, results for function <br />(reducing pollution), maintainability and safety, and the proposed siting does not <br />adversely affect structures or other properties. <br />2. The applicant’s written description of the proposed alternative design has been <br />reviewed and approved by the City Engineer. The description of the proposed design <br />submitted for review must include all of the following information for each component <br />of the proposed alternative design: <br />a. Size, technical description, capacity, capital cost, design life, construction <br />process and costs, consequences of improper construction, operation and <br />maintenance requirements and costs; <br />b. Data on the effectiveness of proposed alternative technologies, if available, <br />including data from laboratory testing and pilot/full-scale operations, and <br />information regarding the operations of any full-scale installations; <br />c. Any other available information about the proposed design, including peer <br />review articles, scientific or engineering journals, and approvals from other <br />jurisdictions. <br />3. The applicant has submitted a method and schedule for monitoring the effectiveness <br />of the proposed design once constructed, and a schedule for its maintenance. <br />4. The applicant has submitted a signed statement that the applicant will replace the <br />alternative stormwater quality facility if the facility does not function as proposed. <br />(c) The requirement in EC 9.6792(3)(b)2 that extended filtration (filtration through <br />natural or engineered media) shall be utilized to treat the water quality design storm <br />runoff from the impervious surface areas may be adjusted upon a finding that: <br />1. An engineering report shows that, due to unique topography, a filtration <br />system would be unreliable or would be likely to have an adverse impact on <br />surrounding properties; or <br />2. Soil contamination would negatively impact surface water or groundwater <br />quality if a filtration system was used. <br />*** <br /> Section 5. Subsections (24)(c), (d), (e), and (f) of Section 9.8030 of the Eugene Code, <br />1971, are re-lettered to subsections (24)(d), (e), (f) and (g), respectively. <br /> <br />Section 6. Notwithstanding Section 32 of the Eugene Charter 2002, this Ordinance <br />shall take effect on May 1, 2025. <br /> <br />Attachment A <br />January 27, 2025 Work Session – Item 2 CC Agenda Page 13