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Measures being taken address ventilation, filtration, administrative controls and sterilization technology. Ventilation and filtration provided by HVAC systems can reduce the airborne concentrates of SARS-CoV-2 and, thus, reduce the risk of transmission through the air.

Filtration: UCF’s research facilities utilize MERV 9 pre-filters and MERV 14 final filters. UCF will continue to adhere to the maintenance schedules for quarterly, semi-annual and annual filter changes for all HVAC systems on campus.

Ventilation: UCF will continue to maintain design ventilation rates that are determined by ASHRAE standards for air change rates based on each building’s application.

Administrative controls: UCF is working with the Registrar’s Office on class start times and cleaning schedules, and will provide further updates when the Fall Classroom Seating Task Force further refines the model for opening in fall semester. This will result in an increase in overall ventilation effectiveness per occupant, as the design ACH rates will remain in place or increase where possible, while the population in each building is anticipated to decrease.

Sterilization technology: The university is installing additional ultraviolet-bandwidth energy (UV-C) lighting in air handler units serving instructional and administrative offices. While UV-C will not mitigate transmission risk of SARS and COVID-19 within campus buildings’ HVAC air streams, the ultraviolet energy will help inactivate the DNA and RNA of most viral, bacterial, and fungal organisms so that they are unable to replicate. The kill rate for UV-C is based on a factor of time and exposure to the light. Note that even with high-intensity UV-C irradiation, the deactivation rate will not be 100% for all biological particles.