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To achieve its vision, Darden began with a rigorous evaluation of its own operations and practices. Focusing on its extensive physical plant, the school contracted Automated Logic’s Virginia branch (formerly AERO Integrated Solutions) to re-commission its HVAC systems and provide ongoing maintenance support.
Performance data is generated through the EnergyReports™ application, the reporting tool integrated with Automated Logic’s WebCTRL® system, and energy reduction is being tracked and profiled by ENERGY STAR®, calculated to a 2009 baseline. Electrical reductions in the chiller plant and motor reductions on the air handling units account for the greatest proportion of energy savings.
Results for FY 2011 (July 2010 – June 2011) are impressive: Darden reduced real energy costs by $57,000 over the FY 2009 baseline, weather-normalized to $94,000 after temperature extremes are factored in.
“The year (2010) was exceptionally hot, and Darden’s system demands were higher, but energy savings were still achieved without significant changes to setpoints and building schedules,” remarked Automated Logic’s Dan Knox, PE, CEM, LEED AP. The Energy Solutions Manager visits the school several times a month to consult on commissioning activities, maintenance issues and procurement practices.
“Automated Logic has definitely improved the efficiency of our systems,” noted Gary Wood, the University’s Zone Manager responsible for maintenance and housekeeping at Darden and several other campus installations. Wood added that both a HVAC mechanic and a WebCTRL® workstation are assigned to the school.
“Re-commissioning seemed like a good path,” added Erika Herz, Manager of Sustainability Programs and ARCS’s Managing Director. “We interviewed a lot of companies that could help us with our energy efficiency goals. But we’ve worked with Dan and Automated Logic for years, and Kristy (Schomaker, LEED AP O+M) has helped us think through how we can communicate the process. It also enables us to take advantage of Automated Logic’s newer services.”
Of the five areas Darden identified for its sustainability efforts – conservation, energy efficiency, energy production, energy purchasing and carbon offsets – energy efficiency investments like re-commissioning activities “are among the least costly things we can do,” Herz concluded.
Client: University of Virginia
Location: Charlottesville, Virginia
Controls Contractor: Automated Logic - Virginia
Project Type: Re-commissioning and ongoing monitoring
Building Size: 408,920 square feet - ten buildings
Reduce energy consumption/costs; improve occupant comfort; improve systems’
Operability with existing mechanical and control systems
Major Decision Drivers
Commitment to sustainability goals; history with branch and building control provider
HVAC Controls: Automated Logic
Installation Date: February 2010 - Present
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