University hospital building, commissioning

Our team performed commissioning of the newly installed smoke alarm system on the second floor of the university cancer hospital building in Chapel Hill, NC.

Facts and figures

  • Two-story building
  • University cancer hospital

Challenges

Our team worked with the university’s team as well as several outside contractors, engineers and designers. We interviewed the team about the performance of the system thus far and laid out the plan for the commissioning activities that were to take place.

Solutions

We began the commissioning process by triggering a fire alarm in three zones and measuring the opening pressure and compartment pressure differentials across the doors for each fire alarm zone. In between testing, each fire alarm zone was reset and enough time to allow zones to equilibrate before the next fire alarm zone. Our team commissioned the smoke alarm system and during the testing, maintenance personnel worked with our team to perform adjustments on door closure systems as they were discovered to be necessary.

Outcomes

One system was found to be operating poorly, and our team recommended installation of a new closure system. Following the commissioning activities and on-site adjustments, we found that differential pressure across each door met code. Therefore, the HVAC system is controlling correctly in smoke control mode.

Services Provided

  • Commissioning
  • Site review/survey
  • System condition analysis
  • Systems diagnostic monitoring
  • Systems test procedures and plans
  • System testing and final reporting

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