The 2020 CIP Water Main Replacement project consists of the replacement of 4” cast iron main with 8” ductile iron main, replacement of residential water services, replacement of fire hydrants, connection to existing mains, service transfers, and restoration. The water main replacement will occur within 22nd Avenue SW and SW 169th Street between SW 170th Street and 21st Avenue SW, within SW 170th Street between 16th Avenue SW and 19th Avenue SW, and within the cul-de-sac at the 1900 block of SW 170th Street. The project is located in the City of Burien and the City of Normandy Park. The work will be performed in late winter and early spring of 2020. For more information visit Water District No. 49 District Project website at http://www.wd49.com/projects.html
Sequoia Creek and Walker Creek Culvert Replacement Design
King County Flood District awarded Normandy Park a $200,000 grant to design replacement culverts. The Flood Reduction Grant will fund preliminary design. The project will include the design of three existing culverts. in Normandy Park sized to convey 100-year flows. The culverts will be designed as fish-passable culverts or bridges. The City is currently working with an engineering consultant to prepare a feasibility study and engineering plans. Surveying and monitoring activities will take place in February 2020 along portions of the Sequoia and Walker Creeks.
1st Ave S Overlay Project from SW 174th St to Burien
The first phase of this project consists of construction of curb ramps at three intersection along 1st Ave South, one curb ramp at the intersection of 6th Avenue SW and SW 186th Street; and storm drainage improvements including new pipe, catch basin, and ditch regrading at various locations on 12th Avenue SW and SW 168th Street. The 1st Avenue South curb ramp retrofit project is to be constructed in advance of a King County overlay project.
4th Ave SW from SW 183rd St to SW 192nd St
The 4th Avenue SW curb ramp retrofit project successfully brought 14 ADA ramps into compliance. Seven catch basins that did not meet the maintenance standards of the Stormwater Management Manual of Western Washington were also replaced. The final overlay is scheduled for Spring