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CLIFFORD ALLENBY STATE OFFICE BUILDING

California Department of General Services


  • LOCATION

    Sacramento, California

  • PROJECT SIZE

    370,000 square feet

  • SERVICES PROVIDED

    Commissioning for Construction 

  • SUSTAINABILITY

    LEED Platinum, Zero Net Energy, U.S. Resilience Council Platinum Rating


CLIFFORD ALLENBY STATE OFFICE BUILDING

CALIFORNIA DEPARTMENT OF GENERAL SERVICES


State-of-the-Art Sustainability for California’s New High-Performance Office Building

DGS has moved the needle forward on California’s pursuit of sustainability with its recently completed Zero Net Carbon office building in downtown Sacramento. Built to house 1,150 state employees, the integrated design approach will produce as much clean renewable energy as it consumes, placing the facility in the top 1% of office buildings in the United States for efficient energy use. 

The building emphasizes wellness through use of natural daylight, clean and filtered outside air, and solar shading to reduce interior hot spots. Water-to-water heat pumps offer base heating and cooling, while auxiliary heating and cooling through the connection to the Capitol’s district steam and cooling loops optimizes energy use and overall cost of the systems. 

Enovity’s commissioning scope included HVAC and controls, lighting controls, renewable energy, domestic hot water and controls, landscape irrigation,  emergency power, water reuse and potable water, and security and access controls systems. 

The project exceeded its 95% recycling target rate for demolition materials, with 30 million pounds of concrete and 780,000 of steel being diverted from landfills. Other unique features of the project:

  • The building optimizes daylight penetration, and electric light controls respond to daylight levels in the interior work and assembly spaces
  • A non-potable water reclamation system along with energy-efficient fixtures offers a 60% reduction in annual water usage 
  • Demand control ventilation utilizes sensors to reduce heating and cooling in unoccupied spaces
  • Overall operational greenhouse gas savings of 103% over the LEED baseline

The building earned LEED Platinum and U.S. Resiliency Council Platinum certification.