DOWNTOWN RIVERFRONT <br />LAND USE COMPONENTS <br />CA 19-1, RA 19-1, Z 19-5, WG 19-3, ST 19-3, and SDR 19-2 <br />19,2019 <br />Planned construction projects involve (1) mass grading for the streets and utilities and riparian <br />enhancement for the park area, and (2) park construction and further infrastructure development. <br />The mass grading project will include riparian enhancement of the riverbank to lay back the bank to a <br />gentler slope and grading to achieve design subgrade for the park area, streets, and utilities. The <br />design includes provisions for managing environmental contamination that may be encountered <br />below the soil surface. Contaminated media will be removed to below the proposed subgrade surface <br />and the area will be capped to prevent direct exposure. Excavated contaminated soil will be managed <br />in accordance with DEQ requirements. Anticipated management options include the beneficial reuse <br />of soil as site fill below development surfacing (roads, sidewalks, concrete slabs) or disposed offsite at <br />a landfill. <br />The park construction and infrastructure development projects will involve excavation, relocation and <br />removal/abandonment of existing utilities, roadway subgrade preparation, road and sidewalk <br />construction, and park construction including a retaining wall and new pedestrian and bike paths. <br />Final surfaces include concrete or asphalt paving, concrete walls, and imported topsoil over existing <br />soil subgrade. Site development features will prevent contact with any remaining low-level <br />contamination that may remain at the site, improving the health of the site. Construction of bike and <br />pedestrian paths will improve a critical bike commuting corridor, which offsets vehicle traffic in <br />downtown Eugene. <br />In addition to the physical improvements discussed above, the planned construction projects change <br />the land use from a public utility operations yard to mixed-use development and park, thus activating <br />the area and creating a cleaner and safer human environment. Additionally, future development of the <br />site will be required to adhere to existing policies and Best Management Practices (BMP) in the CitL <br />Eugene Stormwater Management Plan. Compliance with BMP's will be ensured through the building <br />permit process. <br />The proposal includes amendments to EC 9.6792 Stormwater Quality regulations, as included in <br />Exhibit A: Code Amendments. The proposed amendments will not have an impact on the City's <br />existing water quality protection level, which complies with State and Federal regulations. The <br />proposed amendments ensure that treatment for stormwater quality will be ensured consistent with <br />current EC standards and the administratively adopted Cit, of Eugene Stormwater Management <br />Manual. The proposed amendments modify current regulations to allow for the combined stormwater <br />treatment facilities from both public and private development, to the extent that added capacity can be <br />achieved in the shared system to be constructed on the subject site. <br />The proposed amendments do not negatively affect the environmental factors specified in Goal 6. <br />Therefore, the proposed amendments are consistent with Statewide Planning Goal 6. <br />Goal 7 - Areas Subiect to Natural Hazards: To protect people and 12rol2erty from <br />natural hazards. <br />Goal 7 requires local governments to adopt comprehensive plans to reduce risk to people and property <br />from natural hazards such as floods, landslides, earthquakes, tsunamis, and wildfires. The City <br />protects people and property from natural hazards through various land use and building code <br />requirements. The proposal does not alter these protective provisions, nor does it propose <br />development in areas identified to be unsuitable for development. Therefore, the proposed <br />amendments are consistent with Statewide Planning Goal 7. <br />Goal 8 - Recreation Needs: To satisfy recreational needs of the citizens of the state <br />City of Eugene FINAL SUBMITTAL 21 <br />