Ordinance 3528-16 - Laserfiche WebLink

triggered when the thresholds identified for new or redevelopment projects are met. E. Underground utility projects: Underground utility projects that replace the ground surface with in-kind material or materials with similar runoff characteristics are only subject to Minimum Requirement #2, Construction Stormwater Pollution Prevention. F. Combined Sewer System: Project sites, or portions of project sites, that potentially contribute stormwater to the City's latest designated Combined Sewer System shall not be subject to the Minimum Requirements. The Combined Sewer System routes stormwater for treatment at the publicly owned treatment works. Requirements for detention and flow control are determined by evaluating the capacity of the Combined Sewer System. (5) MINIMUM TECHNICAL REQUIREMENTS A. Minimum Requirement#1: Stormwater Site Plan Preparation A Stormwater Site Plan (SSP) shall be prepared for City review and approval. Stormwater Site Plans shall use site-appropriate development principles to retain native vegetation and minimize impervious surfaces to the extent feasible. Stormwater Site Plans shall be prepared in accordance with the City's Stormwater Management Manual. B. Minimum Requirement#2: Construction Stormwater Pollution Prevention All new development and redevelopment projects are responsible for preventing erosion and discharge of sediment and other pollutants into receiving waters. Construction Stormwater Pollution Prevention shall be provided in accordance with the City's Stormwater Management Manual. C. Minimum Requirement#3: Source Control of Pollution All known, available and reasonable source control BMPs shall be applied to the project site. Source control BMPs shall be selected, designed, and maintained according to Volume IV of the City's Stormwater Management Manual. 25