Historical
NFPA 502-2008
NFPA 502: Standard for Road Tunnels, Bridges, and Other Limited Access Highways, 2008 Edition
Maintain fire and life safety in tunnels and bridges according to the latest requirements in the 2008 NFPA 502.
NFPA 502: Standard for Road Tunnels, Bridges, and Other Limited Access Highways provides designers, AHJs, and state and federal regulators with guidelines for the construction, operation, maintenance, and fire protection of limited-access highways, tunnels, bridges, elevated highways, and air right structures.
The revised 2008 Standard reflects the latest industry developments and includes these important changes:
New material discussing the issues on fixed fire suppression systems
New and more restrictive design fire curves for structural component fire resistance
New material for determining the tenability of the tunnel environment for egress
Revised fire data for typical vehicle fires based on international research.
New information on unregulated cargoes
New categories for tunnels and material for determining the classification
(Softbound, 39 pp., 2008)
National Fire Protection Association [nfpa]