1 University of Nebraska Medical Center – UT-­-4 Omaha, NE Building Information • University Tower #4 • Total floor area: 245,691 ft 2 • Built in 1969 • Athena controls and pneumatic actuators. Project Date • November 2010 to October 2011 Total Performance Oriented Retrofits (TPOR) ? Upgrade pneumatic controls for all AHUs and Pumps to modern Siemens system ? Replace AHU cooling coils. ? Installed VFDs on supply fans, return fans, building chilled water pumps, and building hot water pumps ? Installed Bes-­-Tech patented flow meters

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