YWCA Greenbridge Learning Center Seattle, Washington       Scope Structural design for the 10,000-sf learning center, including classrooms, computer labs, career center, and King County library branch, to comply with Built Green standards Challenge Site size constraints and limited bearing capacity of soil Solution Use of pile foundation adapts to soil conditions and eliminates need for excavation Architect Stickney Murphy Romine Photo credits: Steve Hall; Rendering credit: Lynn Shimamato