Berkeley Plaza - HSR Berkeley Investments, LLC
Key Features
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Proposed 400,000-square-foot, 18-story tower underlain by two-levels below grade parking
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Demolition of existing structures
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Renovations and seismic upgrades of adjacent historic buildings
Geotechnical Challenges
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Densely developed area adjacent to historic structures and BART subway tunnel
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Complex 3-dimensional below grade geometry (adjacent foundations, subway tunnel, and underground utilities)
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Deep bedrock (155+ feet deep)
Innovative Solutions
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Robust laboratory testing and engineering analyses performed to evaluate liquefaction and settlement potential
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Plaxis analysis involving multiple foundation and ground improvement scenarios to check and value engineer settlement performance
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Foundation alternative analyses including evaluations of deep foundations to bedrock, deep foundations to alluvium, mat foundation with deep rigid inclusions
