Cal Plaza Office Towers

Los Angeles, CA

Details

  • Size: 2,400,000 square feet 
  • Completion Date: 1986 and 1992  

Team

  • Architect:  Arthur Erickson Architects 
  • Contractor: The Beck Group

These two high-rise office towers stand at 42 and 52 floors, and bring a combined 2.4 million square feet of office space to Bunker Hill in Downtown
Los Angeles.

The structural system, consisting of ductile moment resisting steel frames forming a framed tube, is designed to resist seismic lateral loads and windThe concrete structure below the tower consists of waffle slabs, reinforced concrete columns and shear wallsSpread footings are utilized for the entire project except for the plaza level portion over Olive street, which is drilled, poured-in-place belled caissons.