8 th Street SW (West of C Street SW) • Remove and reconstruct the existing roadway along 8th Street SW from edge of new asphalt (approx. 162 feet west of C Street SW centerline) to end of cul-de-sac. • Remove and reconstruct any damaged existing sidewalk and curb and gutter. o If curb and gutter impacts an existing catch basin then replace the frame and grate of the affected catch basin. • Storm Drainage - Replace approximately 88 LF of 8" diameter storm conveyance lines with 12” diameter lines. Construct stormwater improvements triggered by the roadway reconstruction to base course or lower by complying with SWMM minimum requirements (MR) 1-5 and 10. Analyze feasibility and if applicable utilize LID techniques as appropriate to meet MR #5. It is not anticipated that this project will add more than 5000 sq. ft. of new hard surfaces. 4th Street SE (Between Auburn-Black Diamond Road and S Street SE) and S Street SE (North of 4th Street SE) • Removal and reconstruction of existing roadway along 4th Street SE from Auburn-Black Diamond Road to S Street SE, and along S Street SE from 4th Street SE to the end of culde-sac. • Install wedge curb along entirety of reconstructed roadway. • Grind and overlay section of existing roadway on Auburn-Black Diamond Rd associated with sewer main replacement, per CoA Standard T-02.5.
