Ordinance No. 20369 - Laserfiche WebLink

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8. The facility is designed and constructed in compliance with the city's Public Improvement Design Standards Manual. (c) Notwithstanding EC 9.6797(4)(a) and (b), the city will not accept operation and maintenance responsibility of eco-roofs, roof gardens, pervious pavement, contained planters, tree credits, rainwater harvesting or private drywells. (5) Private Operation and Maintenance. All privately operated and maintained stormwater management facilities shall be operated and maintained in accordance with EC Chapter 6. Section 5. Subsection (24) is added to Section 9.8030 of the Eugene Code, 1971, to provide: 9.8030 Adiustment Review - Approval Criteria. The planning director shall approve, conditionally approve, or deny an adjustment review application. Approval or conditional approval shall be based on compliance with the following applicable' criteria. (24) Stormwater Pollution Reduction, Flow Control, Oil Control and Source Control Standards Adjustment. (a) The requirement in EC 9.6792(3)(a)1 and EC 9.6792(3)(a)3 that selected pollution reduction facilities shall treat all the stormwater runoff that will result from the water quality design storm may be adjusted upon a finding that the selected pollution reduction facility will treat as much of the runoff as possible and one of the following applies: 1. The area generating untreated runoff is less than 500 square feet of impervious surface and is isolated from the pollution reduction facility; 2. The area generating untreated runoff is less than 500 square feet of impervious surface and it is not technically feasible to drain the untreated runoff to the pollution reduction facility; 3. Constructing pollution reduction facilities to treat the runoff from the area at issue would require removal of trees or damage to other natural resources; or 4. The area generating untreated runoff is less than 500 square feet of impervious surface and limited access to the area would prevent regular maintenance of the pollution reduction facility. (b) The requirement in EC 9.6792(3)(b) that all pollution reduction facilities be selected from and sited, designed, and constructed according to the pollution reduction provisions and the facility design requirements set forth in the Stormwater Management Manual and that pollution reduction facilities must be designed using one of the methodologies outlined in the Stormwater Management Manual may be adjusted upon finding that all of the following requirements are met: 1. The proposed alternative design will achieve equal, or superior, results for function (reducing pollution), maintainability and safety, and the proposed siting does not adversely affect structures or other properties. 2. The applicant's written description of the proposed alternative design has been reviewed and approved by the City Engineer. Ordinance - 11