This document provides a foundational overview of the Florida Building Code (2023) regarding the safety of internal corridors. To ensure these pathways remain viable for emergency evacuation, the guidelines strictly regulate how HVAC systems and air movement interact with escape routes. Generally, the code prohibits corridors from acting as air ducts to prevent the spread of toxic fumes, though specific exceptions exist for small spaces and residential units. To maintain the integrity of fire-rated barriers, the guide details the mandatory installation of smoke and fire dampers where ductwork penetrates walls or ceilings. These safety devices must be integrated with detection systems to close automatically during ...