About the author ⁄ Mark Sarkisian, P.E., S.E., NAE, LEED

Mark Sarkisian is a Partner of Structural and Seismic Engineering at Skidmore, Owings & Merrill LLP, and a member of ACI. (mark.sarkisian@som.com)

Performance-Based Design of 111 Main in Salt Lake City

111 Main’s reinforced concrete core wall system provides vertical and lateral support for an innovative 25-story office tower suspended over adjacent performing arts center.

Located in a region of high seismicity in close proximity to the active Salt Lake Segment of the Wasatch Fault Zone, the new 111 Main office tower in Salt Lake City, Utah, comprises 501,455 square feet of Class A office space. The 25-story building rises 387 feet above grade and contains a penthouse roof-level steel hat-truss system with all perimeter columns suspended to allow for air-rights overhang at adjacent performing arts center. …

Sep, 2016 By Mark Sarkisian, P.E., S.E., NAE, LEED, Peter Lee, P.E., S.E., Alvin Tsui, S.E. and Lachezar Handzhiyski, S.E. In Feature Comments 0

Hat Truss-Supported Office Tower in Salt Lake City

111 Main’s innovative “balanced” structural system supports the 25-story high-rise above an adjacent performing arts center.

In Salt Lake City, Utah, at 387 feet above grade, 111 Main has become the newest and one of the tallest additions to the skyline. Currently under construction in the heart of the downtown City Center neighborhood, the roof hat-truss structure of the 25-story, 501,455 square foot Class A office tower was topped off this past January, with its loads successfully transferred from a temporary shoring support system to the permanent structural system during a one-day 12-hour period. …

Jun, 2016 By Mark Sarkisian, P.E., S.E., NAE, LEED, Peter Lee, P.E., S.E., Alvin Tsui, S.E. and Lachezar Handzhiyski, S.E. In Feature Comments 2

Enhanced Seismic Design of the New San Bernardino Justice Center

Skidmore, Owings & Merrill LLP was an Award Winner for the San Bernardino Justice Center project in the 2014 NCSEA Annual Excellence in Structural Engineering awards program (Category – New Buildings over $100M).

As one of the tallest seismically base isolated buildings in the United States, the Justice Center creates a visible landmark for the city while engaging the public with vibrant open space. …

Jun, 2015 By Mark Sarkisian, P.E., S.E., NAE, LEED, Peter Lee, P.E., S.E. and Lindsay Hu, P.E. In Articles, Spotlight Comments 0

The Cathedral of Christ the Light

Sacred Geometry, Luminosity, and Longevity

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Jun, 2010 By Mark Sarkisian, P.E., S.E., NAE, LEED, Peter Lee, P.E., S.E. and Eric Long, P.E., S.E., LEED® AP, M. ASCE In Articles, Spotlight

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