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September 18, 2015

North transfer station getting unique steel-truss roof system

Photo courtesy of Integrated Design Engineers [enlarge]

The American Institute of Steel Construction is offering a tour of Seattle Public Utilities' new North Transfer Station at 3 p.m. Sept. 22.

The site is at 1350 N. 34th St. You can register at http://tiny.cc/bzli3x/.

The tour will be led by project team members from Integrated Design Engineers, CDM Smith, Mahlum and Lydig Construction.

Ignasius Seilie, principal at Integrated Design Engineers, called the project “an exciting case study for steel design” because of the tipping building's shape and roof span.

The 200-foot, tri-chord truss system was fabricated with ASTM A1085 hollow structural sections, which he said has never been done before on the West Coast.

The transfer station is set to open next year and replace an outdated station that was on the site. The goal is to recycle about 750 tons of solid waste, organic material and recyclables every day.

The station will have a 57,000-square-foot tipping and transfer building, a 10,000-square-foot reuse/recycling building and a 2,500-square-foot administration building.

There will be a flat floor instead of an open pit for sorting and unloading, as well as better ventilation and community space.

Other firms on the project team include Fought & Co and Atlas Tube. Sherwin Williams supplied paint.

The American Institute of Steel Construction is sponsoring the tour as part of the SteelDay 2015 program.

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