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Phone (206) 323-4144

Koll Canyon Park

Civil Engineers for Koll Canyon Park

BRH supported the development of this 320-acre site. The scope included conducting flood and basin studies for a 6-acre detention pond draining the entire site. Drainage was designed to flow through grass-lined swales to the detention pond. This was the first extensive use of grass lined biofiltration in Snohomish County.


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Posted on

September 14, 2018