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Eccles Theater

Eccles Theater, Salt Lake City UT

Project Description:

As the region’s premier entertainment venue, the George S. and Dolores Doré Eccles Theater is a contemporary landmark for Salt Lake City. The 2,500-seat, state of the art theater presents first run touring Broadway shows and concerts and provides an additional venue for Utah performance groups. Located downtown, the building anchors a vibrant arts district.

The building’s design draws from the theater’s surroundings, particularly a glassy office tower to be built to the north and the historic Salt Lake Tribune Building, a 1920’s brick-clad tower to the south. From Main Street, visitors enter the theater lobby and a Winter Garden that can open to the street. Taking cues from other downtown buildings, the Eccles Theater’s exterior also incorporates terra cotta, limestone, or wood.

Scope of Work:

TMCx was retained to perform LEED Enhanced and Fundamental Commissioning.  In addition, TMCx acted as the special inspector for the smoke control system.

Project Snapshot

  • Owner: Salt Lake County
  • Project Size: 185,000 sq. ft.
  • Construction Cost: $119M
  • GC: Layton Construction
  • Year of Completion: 2016


  • Chilled Water Central Plant
  • Heating Hot Water
  • Central Air Handling Units
  • Exhaust/Ventilation
  • Terminal Units
  • Domestic Hot Water
  • Lighting
  • Electrical Distribution
  • Plumbing
  • Life Safety
  • Smoke Control

Challenges and Successe

  • Issue: During functional testing it was observed that several air handling units were not programmed to perform dehumidification sequence of operations. After further investigation, it was observed that the re-heat coil had not been installed in this units.      Resolution: the Mechanical contractor installed re-heat coil as per construction diagrams, sequence of operations was programmed and correct operation was verified.  Solving this problem assured that the dehumidification sequence is in place allowing for the serviced auditorium to maintain space temperature setpoints while maintaining designed Relative Humidity (RH) percentages.
  • Issue: During functional testing it was observed that radiant floor heating and cooling loops were not being controlled to maintain slab temperature as indicated in sequence of operations. Slab temperature sensor had not been originally installed and instead the system was being controlled to maintain supply water temperature.