Collons+Smith Structural Engineers
 
112th at 12th

Three six-story steel-framed office buildings over a four-story underground parking garage.  Total office space is 481,383 square-feet and total parking is 506,736 square feet.  Lateral forces above grade are resisted by steel braced frames.  Exterior skin is architectural precast concrete at the upper 4 floors and laid-in-place structural brick masonry at the lowest two floors.  Garage floor slabs were two-way, post-tensioned flat slabs, utilizing wide-shallow beams in one direction to accommodate the general contractor’s desired forming system. CPL project.

Project:

112th at 12th

Location: Bellevue, WA
Architect:

G2 Architecture / Kendall Heaton Associates, Inc.

Contractor: PCL Construction Services, Inc.
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