OFMD will perform preventative maintenance on the supply air handling unit (AHU-5) that serves portions of the 10th and 11th floors. The supply air unit will be off intermittently during the outage. Space temperature for the areas served by this unit will be minimally impacted. Supply airflow to the 1103 BSL3 suite will be off intermittently during this outage. No work may occur in the 1103 BSL3 suite during this outage.