3003 W CASINO RD BLDG 45-11 2018-09-20

415-14 AIRPORT TERMINAL BUILDINGS,FUELING RAMP DRAINAGE,AND LOADING WALKWAYS ' - -------------- ----------- ------------------- Main drain i Open grate �� 11`1 1`7-Branch drain each drainage trench `�� Fire stops ��` � trench section c i �� ' 1 Trench not to scale, for emphasis Y {�—125 it(38 m)—al k-125 it(38 m)—sl X125 It(38 m)---3-I I<--125 it(38 m)—),I i c i 6It(1.8m) Slope 6ft(1.8m) 6ft(1.8m) A-Mia min. min. min. percent for 0 It15 m B-Minimum ramp grade of B 0.5 percent to drain Notes: (1) Maximum length of open-grate drainage trench:125 It(38 m) i,-�'' -------- ------ ------ without min.6 It(1.8 m)stop Interceptor Slope or separator A min.1% (2) No aircraft parked over open drainage trenches (3) Not over 200 It(61 m)to trench from building �y Terminal building (4) Each sectionalized trench i individually drained by Outflow underground piping FIGURE A.5.1.2(b) Example of Ramp Drainage Using an Open-Grate Drainage Trench. A.6.2.5 The source of uncontaminated air is normally from the bumper assembly should be fastened in a manner repre- the airport terminal building. sentative of end-use application. To the edge of the other frame,a sheet of 1/2 in. (13 mm) thick steel having dimensions A.6.2.6 Aircraft loading walkways can be used for a return air such that there is a minimum of 6 in. (150 mm) of steel ex- plenum as part of a system that provides ventilation for the tending past the bumper assembly in all directions should be aircraft.This system can create a positive or negative pressure fastened to the steel studs.The steel plate is used to simulate in the walkway during normal operation and might use air from the ramp for make-up.Systems of this type,as well as any the aircraft sidewall. The two frames are brought together such that the bumper assembly is placed in firm contact with exhaust fans on the walkway,are therefore to be automatically shut down in the event of a fire emergency outlined in 6.1.1. the simulated aircraft sidewall and the two frames are fastened together.This unit becomes the test assembly and is placed on A.6.2.8 Bumpers,curtains,and canopies are essential elements the test furnace for the fire exposure period. (See Figure necessary to ensure the fire performance of the walkway's system A.6.4.9.1 for a sketch of the test assembly.) to provide a safe egress path in the event of a spill fire on the ramp.Many users view the canopies and curtains as weather pro- tection devices and not essential fire safety devices. Because of the physical variations in airframe fuselage shapes,it is not pos- Unexposed face sible to achieve 100 percent contact of bumpers and canopies 1/2 in.(13 mm)thick steel plate against all aircraft fuselages. Typical steel stud frame A.6.2.11 Most loading walkways can change elevation to serve 11 11 a variety of aircraft.The slope of the walking surfaces changes I I I l l I 11 11 I as the loading walkway is adjusted to serve various aircraft. Therefore it is not practical to limit the slope of the overall walking surface. Slopes of 1 in 20 and less are considered a Bumper assembly level surface in most accessibility standards. This means the 1/2 in.(13 mm)Type X gypsum board transitions between telescoping sections of the loading walk- ways will not subject users to a ramp within a ramp when the Exposed face loading walkway is not level. FIGURE A.6.4.9.1 Proposed Method for Testing of Bumper A.6.4.5.3 The 10-minute fire endurance test period specified Assemblies. is to give those conducting the tests a better opportunity to discriminate between different test samples. A.6.4.9.1 A suggested test configuration is to construct two A.6.5.1 The design of automatic actuation equipment should steel stud frames of suitable size to cover the test furnace when take into consideration the possibility of heat or pressure sources lying side-by-side and flat.On the exposed face of each frame, that could exist in the areas where these systems are installed one layer of 1h in. (13 mm) Type X gypsum board should be (e.g.,operation of turbine engines in the vicinity, heat-creating fastened to the steel stud framing.To the edge of one frame, equipment on the ramp,hot air curtains at terminal openings). 2008 Edition