NFPA 502: Standard for Road Tunnels, Bridges, and Other Limited Access Highways
Current Edition: 2014 Next Edition: 2017

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What is NFPA 502?
NFPA 502: Document Scope
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 facilities: (1) Parking garages (2) Bus terminals (3) Truck terminals (4) Any other facility in which motor vehicles travel or are parked 1.1.4 This standard is applicable where a facility, including those specified in 1.1.3(1) through 1.1.3(4), is deemed appropriate by the authority having jurisdiction.

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.

Official document scope
What does NFPA 502 address?

Guidelines cover construction, operation, maintenance, and fire protection of road tunnels, bridges, and other limited access highways to mitigate hazards, maintain structural integrity, and protect lives. Other topics include standpipe and water supply, control of hazardous materials, emergency ventilation, electrical systems, and emergency response.



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