Buildings and structures that contain materials that readily support combustion or that pose a physical hazard are classified as what type?

Buildings and structures that contain materials that readily support combustion or that pose a physical hazard are classified under Group H-3. This classification specifically pertains to hazardous occupancies where the materials stored or used can ignite easily and create potential risks for fire or explosion.

Group H-3 is designated for buildings that contain materials that can combust under specific conditions but do not present the highest level of threat compared to other classifications like Group H-2 or Group H-4, which deal with more hazardous conditions or substances.

The classification system is important for setting safety standards and regulations, ensuring that buildings with certain materials are constructed and maintained in ways that minimize risks to occupants and first responders. By defining these grouping standards, building codes help to streamline safety protocols in emergencies, thereby enhancing overall public safety in inhabited environments.