Agenda Packet 7-17-19 Work Session

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Ordinance Exhibit DOrdinanceExhibitD DOWNTOWN RIVERFRONT LAND USE COMPONENTS CA 19-1,RA 19-1,Z 19-5,WG 19-3,ST 19-3,and SDR 19-2 April 19,2019 collected and discharged from impervious surfaces).Where existing native vegetation already serves this function to some extent,additional native plants shall be planted in order to augment native vegetation already existing.Plant species selected for all plantings shall be appropriate to the site given its topography,hydrology,soil,and existing native plant species. Bank Enhancement Area Phase One of the riparian area enhancement work scheduled for the Summer of 2019 includes a regrading of the riverbank along approximately 500 linear feet of the Willamette River between the existing electrical tower and the future extension of 5th Avenue.This regraded bank will be temporarily secured with basalt rip-rap and seeding for overwintering prior to the 2020 construction season.This initial phase of work is permitted under the Phase One Standards Review application (SDR 19-001). Construction and replanting work in this area for Phase Two will include removal of the temporary rip rap,installation of a fabric encapsulation stabilization (burrito)system followed by extensive replanting with native tree,shrub,and forb species.See sheets WR104.1 and WR104.2 (Exhibit B.3: Standards Review Plan Set)for planting information and details.This planting scheme will be the final condition for this area which represents a significant improvement in bank conditions for this area from a steep rip-rap condition,to a gentler fully planted condition.These improvements will assure a higher diversity of plants,greater distances for storm water filtration and infiltration prior to entering the river,and potentially better habitat for birds,insects,and ideally fish. Bridge Access Path Area All work in this area will be completed in Phase Two under this approval.Grading in this area will facilitate the construction of a new path and create new planting opportunities all around the path.All stormwater runoff from the path will be treated per applicable City Code prior to entering the river, and all new plantings will be species from the Goal 5 Native plant list.These new plantings will be irrigated and maintained in the future as a developed park amenity maintaining the safety of the path and views to the river.Again,the proposed condition will be a significant improvement over the existing steep bank and non-native and invasive species vegetation in this location. Therefore,this standard is met. (b)Planting or replanting within 2 5 feet of a Category B,C,or D stream within the /WR conservation area shall include native tree or large shrub species and located so as to provide substantial shading of the channel during times of peak solar input. (c)Where non-native or damaged trees are removed within 2 5 feet of a Category B,C,or D stream within the /WR conservation area,they shall be replaced with native tree or large shrub species and located so as to achieve equal or greater shading of the channel during times of peak solar input as the trees removed. The Willamette River is a category 'A'stream,therefore these standards are not applicable. (d)Replanting of areas cleared of existing vegetation must be completed within 90 days following the removal or clearing,unless otherwise approved by the planning director. City of Eugene FINAL SUBMITTAL 89July 17, 2019, Work Session – Item 2