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Four Seasons Modernization

Four Seasons Modernization

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Turner Construction Company

66 Hudson Boulevard East

New York, NY 10001

(212) 229-6000

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Project overview

Business Unit(s)


Year Completed



State of California Department of General Services

Client Industry


Scope of Work

New Construction, Restoration


875,000 sq. ft., 21-Stories


AC Martin Partners, Inc.

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New Natural Resources Headquarters

Integrity, Collaboration & Community Impact

The New Natural Resources Agency headquarters was the largest State Project Infrastructure Fund (SPIF) the Department of General Services completed at the time. The 22-story headquarters has been the shining example of Design-Build teamwork characterized by integrity, collaboration, and community impact. This LEED Platinum Certified tower features a health and fitness center, an auditorium, multivendor food court, and a pedestrian plaza, and meets Net-Zero Energy standards. The project also included the renovation of the historic Heilbron House, and a 130-child daycare facility.

Rammed earth precast panels

Rammed earth precast panels

The Rammed Earth precast panels were selected by AC Martin to be a solid base for the high-rise tower to sit on, providing an aesthetically pleasing and functional rain screen. The team wanted to design a focal architectural item that both incorporated the soil from the project site and utilized a small business that could benefit greatly from being part of the iconic building. Sequencing these custom panels was a complexity the design team overcame with a transposed design along the same elevation. Each panel in a single elevation was molded so the sightlines from panel to panel had the same starting point as each panel in that elevation. This, coupled with a fabrication schedule that was maintained one month ahead of construction, allowed the field team to accommodate modifications or repairs of the custom panels without slowing installation. Although panels could be rearranged within the elevation, specific penetration coordination was completed during the modeling process for cameras, outlets, fire department connections, etc. The prework described above was imperative to the success of a speedy installation that was performed as late as possible, to avoid any inadvertent damage to the custom panels.

Throughout design and construction, the Turner Construction + AC Martin Design-Build team worked collaboratively in bringing the interior vision to life while staying on schedule and within budget. Working in the big room with Turner Construction has demonstrated to me first hand their proven experience as a design-builder and their ability to successfully seek creative solutions through all phases of design and construction.

Leslie Sakai Nesley

State of California, Dept. of General Services, Project Management & Development Branch (Former)

Zeiss Innovation Center

Zeiss Innovation Center

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