Essential to controlling smoke flow, enabling safe egress for users and access for firefighters.
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NFPA 502 establishes essential fire protection and life safety criteria for road tunnels, bridges, and air-right structures, with the 2023 edition introducing specific guidelines for alternative fuel vehicles. The standard mandates emergency ventilation, specific means of egress, and structural protection to ensure a tenable environment during fire events. For more information, visit NFPA . National Fire Protection Association (NFPA) Essential to controlling smoke flow