NFPA 415-2020 Standard on Airport Terminal Buildings, Fueling Ramp Drainage, and Loading Walkways.
6.2.2 Interior textile linish of walls and ceilings in walksssvs shall be as limited by of NFI 10!.
6.2.3 Interior floor finish in walkwa shall 1w Class I as defined in of NFPA 101 and classified in accordance with NFPA 253.
6.2.4* During a ramp fire emergency, walkway interiors shall have a positive air pressure delivered from a source that shall remain micontaininated.
6.2.5’ An source of negative air pressure in the aircraft loading walkway shall be automaticall shut down in the event of a lire eiiiergeiwv
6.2.6 Any door in the egress path through the loading walkw;w to the terminal building shall swing in the direction of egress from the aircraft toward the LerinilLal liuihliiig and shall 1w equipped with panic hardware on the aircraft side.
6.2.7’ Where loading walkways are provided, the walkway, iiidiiduiig the lnhliiiwrs. curtains. mid calioples. shall 1w seated according to the manufacturer’s instruction and training whenever the walkway is in service.
6.2.8 Cab and Rotunda Slat Curtains. Cab slat curtains and rotunda slat curtains shall meet
the ivqLtiieinents of 6.1.8 by one of the following methods:
(I) Intrinsic sinictural features
(2) Fire-resistive coatings
(3) Aiitoinaiwallv activated water cixiliiig systems in accordance with 6.3.2
(4) Antutuancally actisated lire curtains
(5) Local appliiation of a tuaiii stein iii atordaiter with 6.5.3 under the cab and rotunda that is automatically actisated and covers an area extending 15 ft (4.6 in) beyond the perimeter of the cab n)tuInla This shall supersede the 10 ft (3m) criteria ci 6.3.3. When the rotunda is located more than 50 It (15 in) friun the fuel fill or fuel enL pniit of aircraft and the rolLilida slot curtain is of noncombustihle construction. Ii.2.H, I shall not
6.2.9 Emcrgcncy Lights. Eniergeiicv lighiLs shall be installed iii .ill aircraft loading walkways in accordance with NFPA 101.
6.2.10’ The minimum obstrttction4iee width of walking surface shall be :3ti in. (914 mm). Changes in elevation between telescoping sections of the loading walkway’s walking surface shall not exceed 1 in 20 slope when the loading walkwa’ is level. Existing loading walksvavs shall he permitted to be continned in service.
6.3 Materials.
6.3.1 F.xterior surfaces of floors, roofs, walls, and load—bearing structural members shall be constructed entirely of materials or composite assemblies that maintain the structm’al integrity and heat transfer char.icteristics miceded to meet the requirements specified in 6.1.1 and Section 6.4.NFPA 415 pdf download.