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NFPA 502-2017

NFPA 502 Standard for Road Tunnels, Bridges, and Other Limited Access Highways, 2017 edition

1.1 Scope. 1.1.1 This standard provides fire protection and fire life safety requirements for limited access highways, road tunnels, bridges, elevated highways, depressed highways, and roadways that are located beneath air-right structures. 1.1.2 This standard establishes minimum requirements for each of the identified facilities. 1.1.3 This standard does not apply to the following structures: (1) Parking garages (2) Bus terminals (3) Truck terminals (4) Any other structure in which motor vehicles are stored, repaired, maintained, or parked 1.1.4 This standard shall be applicable where a structure or an element of a structure, including those specified in 1.1.3(1) through 1.1.3(4), is deemed to be a facility by the authority having jurisdiction. If any element of a structure cited in 1.1.3 is used to allow only the travel of road vehicles as a means of access to or egress from the structure, then it shall be characterized as a facility and treated as such under this standard. 1.2 Purpose. The purpose of this standard is to establish minimum criteria that provide protection from fire and its related hazards.

Content Provider
National Fire Protection Association [nfpa]

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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.