Clark College at Columbia Tech Center

Vancouver, Washington

This certified LEED Gold project consisted of a new 68,000 sf building and parking lot for Clark College on their new East Satellite campus at the Columbia Tech Center. Located in a former rock quarry, the project site had significant elevation changes on two of the four sides with off-site flow from adjacent properties. HHPR’s drainage solutions included Low Impact Design treatment utilizing bio-infiltration swales in landscape islands that eliminate the need for catch basins and conveyance pipe. Cutoff ditches with infiltration trenches were provided around the site.

HHPR’s design services included grading, drainage, erosion control, water, sanitary sewer and public street improvements. HHPR’s engineering services on this project included concept design, land-use application, circulation, utility design, water modeling and analysis, construction plans, bidding, and construction management.