North Transfer Station Rebuild
Comprised of a new tipping and transfer building (67,000-sf), a reuse/recycling building (10,000-sf), and an administration building (2,500-sf) located in Seattle’s Wallingford neighborhood, the North Transfer Station may be the most beautiful and community-friendly dump in America.
Integrated Design Engineers was tasked with developing a building structure that allowed a 200-ft clear span that did not exceed SPU’s community building height agreement. Our solution was a tri-chorded roof truss system that also earned the project exemplary LEED daylighting credits.
We also developed the “floating corner,” a 50-ft cantilever truss and a 120-ft main transfer truss system that supports the weight of the entire building at its southwest corner. This upper-level corner—supported without any columns or walls—allows trucks access into the building on the lower level.
Architectural Record, "North Transfer Station by Mahlum"
Modern Steel Construction, "Waste NOT"
Winner, American Institute of Steel Construction People's Choice Award for Innovative Steel Design 2017
Seattle Daily Journal of Commerce. "New SPU Transfer Station Design Wins Award for Structural Steel System"
The Seattle Times, "Nicest dump around? New $108M transfer station in Wallingford even has a basketball court"
Seattle Daily Journal of Commerce, "North Transfer Station Getting Unique Steel Truss Roof System"
Owner: Seattle Public Utilities
Prime Consultant: CDM Smith Inc.
Contractor: Lydig Construction
Location: Seattle, Washington