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NBCUniversal Area 71

Deep Soil Mixing

Universal City, California

Project Description

Construction of four sound stages and two production buildings at NBCUniversal Studios. AGI installed discrete and overlapping panels of DSM columns of 4-, 6- and 8-foot diameter to more than 60 feet deep. Column tip elevations were determined by drilling resistance to verify bedrock embedment ensuring adequate bearing capacity. A DSM buttress was installed with limited access between a roadway and slope.

Application

  • Provide improved bearing capacity
  • Mitigate liquefaction Settlement
  • Construct lateral spread buttress

Geotechnical Conditions

  • Artificial fill and obstructions
  • Silty sands, gravels and Topanga
  • Formation bedrock embedment
  • Loose, liquefiable silty sands
  • Free face lateral spread to LA river

Project Info:

  • Design-Build Contractor: Advanced Geosolutions Inc (AGI).
  • Owner: NBC Universal
  • General Contractor: Snyder Langston
  • Geotechnical Engineer: Shannon & Wilson, Inc

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