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Current design of the flood control pump station.
The northern industrial and residential area of South Park experiences chronic flooding for three reasons:
The site for this project was selected because of its location on the main stormwater drainage pipe where it empties into the Duwamish Waterway. The facility is planned to be located near the intersection of 7th Avenue S and S Riverside Drive.
The project will have underground equipment and above-ground structures, including a small electrical controls building and a concrete structure, about 12 feet tall, 50 feet wide and 110 feet long. The facility will be fenced for security and will have security lighting. It will be operated remotely so staff will only visit the site periodically to check and maintain the pump station.
The pump station is designed to be built where the 7th Ave S meets the Duwamish River. SPU has petitioned the Seattle Department of Transportation to vacate the 7th Avenue S street-end to make way for construction of the pump station and is assessing alternative options for locating the pump station while the vacation petition is active.