ASHRAE
DEFEND-IN-PLACE: How HVAC Systems, Building Automation can Help Hospitals Protect against Fires

This article explains fire life safety systems within Hospitals and how dampers in the supply air ductwork will close to prevent supplying ventilation air to that zone. How return air dampers close to prevent returning smoke to the supply fans where it could be circulated through the building. Dampers open and a dedicated smoke evacuation fan starts to exhaust smoke from the building.

Read the full article HERE from the ASHRAE Journal Newsletter, April 24, 2018.