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CFS Truss and Curved Deck Assemblies Deliver Apertures at Karuna East & West Buildings

/ PROJECT

Karuna East & West Buildings at One North | Portland, OR

/ SCOPE

Develop, fabricate and deliver cold-formed steel structural trusses and floor panels to construct the building apertures for the mixed-use, commercial development designed to Passive House standards.

  • Kit-of-parts aperture framing system fastened back to primary structure at 4 specified points per floor.

  • Streamlined framing profiles with 1/8” tolerance to set the geometry and meet the architect’s design intent.

  • 10-month turnover schedule to meet owner-tenant agreement.

/ SOLUTION

Together with the Architect and Design Build General Contractor, Radius Track developed and 3D modeled a cold-formed steel stacked deck and truss system to meet the structural design criteria and deliver the cantilevered apertures according to the design intent. Framing component sequencing followed the installation schedule.

  • Pre-assembled trusses provided rapid installation to primary structure at each floor.

  • Custom shaped and cut deck framing with assembly instructions allowed for efficient unitization on site.

  • Data exported from the 3D model to robotic survey equipment facilitated precise field layout.

/ RESULT

Radius Track Corporation developed the cold-formed steel framing system and fabricated the structural components that shaped the apertures. The cold-formed steel kit-of parts replaced a heavier red iron steel proposal, decreasing the overall weight by nearly 60%. The Radius Track truss and site unitized deck solution delivered the required ACCURACY and SAVED TIME AND MONEY.

/ PROJECT TEAM

  • Architect: Holst Architecture

  • Structural Engineer: Froelich Engineers

  • General Contractor: R&H Construction Co.

  • Cold-formed Steel Framing System: Radius Track Corporation

/ VIDEO

 

“The Radius Track Corporation solution was so precise and their ability to prefabricate materials ahead of time saved us money and saved us time. It was the obvious choice. I look forward to using them again.”

– Andy Hernandez, Superintendent, R&H Construction (General Contractor)