Structure Type: built works - commercial buildings - corporate headquarters; built works - commercial buildings - office buildings

Designers: Becket, Welton D., and Associates, Architects (firm); Welton David Becket (architect)

Dates: constructed 1977-1981

3333 Michelson Drive
Irvine, CA 92612-0625

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The Fluor Headquarters was located on 105 acres in Irvine, CA, an Orange County suburb with a high concentration of large office complexes. It was composed of two main buildings: an octagonal, 10-story, high-rise housing Fluor Corporation's Corporate Offices and the lower-rise, triangular offices for Fluor Engineers and Constructors, Southern California Division (SCD); the former building contained 260,000 square feet; the latter, containing 1.3 million square feet, consolidated seven separate branches into one facility. These seven branches were reorganized into four quadrants, or "pods," within the triangle. The two buildings were separated by a grand Garden Court done by Fong Jung Nakaba, Landscape Architects, and Fong Jung and LaRocca, Landscape Architects. Alan Rosen was the Director of the Los Angeles Office of Welton Becket Associates and the Coordinating Architect.

The most striking aspect of the SCD Building were the three, 93-foot tall towers that housed, in their shafts, stairways, and in their faceted heads, HVAC equipment. Becket architects chose to isolate this ventilation equipment away from the body of the office building to minimize vibration and noise. Additionally, the towers were included to enable easy future expansion. The building also made extensive use of reflective glass, a favorite choice of Southern California architects at this time, particularly after its extensive use by Anthony Lumsden of Daniel Mann Johnson and Mendenhall, (DMJM).

PCAD id: 5943