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Office Buildings

Crossing/900, Redwood City, CA

Crossing 900This 300,000 square foot set of office buildings in downtown Redwood City is to be leased by Box. Hohbach-Lewin, Inc., while working with the steel fabricator for the project, assisted in the complete redesign of the building’s lateral force resisting system. The structural system was changed from relying solely on steel braced frames located at the core, to a perimeter steel moment frame utilizing deep columns and bolted end plate connections. This change resulted in approximately $1 million savings in structural steel costs for the project.

Cupertino Town Center, Cupertino, CA

Cupertino Town CenterCupertino Main Street Office Buildings – Two adjacent, four-story, steel framed buildings at 130,000 SF each, constructed in 2012. The buildings’ seismic lateral force resisting system consist of Special Concentric Braced frames located at the building cores working in conjunction with perimeter Special Moment Frames. Both buildings are now fully leased by Apple.

Hohbach-Lewin provided structural engineering design services for the entire project which also included a seven-story, post tensioned parking garage and multiple steel framed (120,000 SF) one and two-story retail structures. The project architect was KRP Architects (Mountain View); The project developer was Sandhill Properties.

Citrix, Santa Clara, CA

Citrix, Santa Clara, CAHohbach-Lewin, Inc. provided structural design services for the build-out of this 50,000 square foot, steel braced-frame office building. Among the building improvements was the incorporation of a column free space on the first level. In order to provide this column free space, it was necessary to remove the first level of an existing five-story, interior wide flange column. Gravity loads were transferred to adjacent columns via the introduction of a story high steel truss between the second and third floors. This truss utilized the existing third floor framing for the top chord of the transfer truss. The project general contractor was San Jose Construction; the steel fabricator was SOS Steel.

Glendale City Center, Glendale, CA

Glendale City Center, Glendale, CAHohbach-Lewin has prepared structural evaluations for dozens of mid and high rise office buildings located in areas of high seismicity on the west coast. Studies usually require PML/SEL evaluations, seismic lateral force resisting system review analysis and assessment with accompanying seismic retrofit recommendations as appropriate. A dynamic analysis was performed on this structure in order to accurately model the structure’s expected performance when exposed to a suite of ground motions resulting from activity on multiple known faults with varying proximity to the building site.

Abgenix

AbgenixHohbach-Lewin, Inc. provided full structural engineering design services for the build-out of this $80 million office/production facility to enhanced seismic criteria. Structural work included tenant improvements, new roof top HVAC system, production facilities, reconstruction of the second floor and incorporation of a central “eye” feature.

401 Castro St., Mountain View, CA

401 Castro St., Mountain View, CAThis new 30,000 square foot, three story office building includes two levels of subterranean parking. The structural system utilizes concrete fill over metal deck supported by steel framing. The lateral load resisting system is comprised of chevron and two-story “x” special concentric braced frames.

NeoCenter Medical Office Building, Union City, CA

NeoCenter Medical Office Building, Union City, CAThis new 35,000 square foot, three story medical office building includes a level of subterranean parking and is located adjacent to the Union City BART station. The structural system utilizes concrete fill over metal deck supported by steel framing. The lateral load resisting system is comprised of special steel moment frames.

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