This is a revised outage start time for the software patch of the building network engine outage. The previous start time was 5:00 am. The new start time will be 4:00 am. It is anticipated that the building HVAC systems shall operate during this outage. Facilities Engineering will have staff present if there are any failures with the building HVAC systems. During this outage NO WORK is to take place within any of the 4th floor A/BSL3 labs.