Gallery Place

Washington, DC

Delon Hampton & Associates (DHA) provided all structural and civil engineering services on this 1.3 million SF, multi-use urban facility. It is composed of six parts: retail, cinema, residential, parking garage, atrium office floors, and an office tower building. The retail and cinema levels are multi-story steel-braced frames with supplemental moment frames. These floors are composite slabs and composite steel beams. The nine-story residential portion is post-tensioned flat slabs with concrete columns supported on and by the steel braced building. The below-grade parking garage is a regularly reinforced flat slab supported by concrete building columns and concrete walls. The main building is supported on a three-foot, six-inch thick cast-in-place mat. The office tower building is structurally separate from the rest of the multi-use facility and is a steel-framed building with a braced vertical transportation core. This tower is founded on caissons extending to below the lowest adjacent parking level.

Gateway Square Associates, LLC
Western Development Corporation
Civil Engineering
Structural Engineering
Awards and Certifications
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Buildings and Land Development
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