NFPA 502 Standard for Road Tunnels - Bridges - and other Limited Access Highways

Technical Bulletin Last updated 07/01/2019
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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.
1.1.4.1 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.

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