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Stormwater Quality and Flow Control Design:

• Design of a 16 acre-foot regional detention facility for the City of Tukwila.

• Design of a combination wet vault flow control structure and StormFilter system for enhanced water quality treatment for Snohomish County, Lockwood Road project.

• Design of Filterra water quality treatment facilities for City of Mill Creek, 9th Avenue project.

• Wet vault design for the Fremont Bridge approach replacements, City of Seattle.

• Design of a stormwater infiltration pond for the Harris Creek Bridge, King County.