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

ANNEXA 415-13 Table A.4.5.5.1 Flow Demand References fueling ramp drainage system using the optional trapped drain inlets. Figure A.5.1.2(b) shows another possible ar- Range of Fire Flows rangement of an aircraft fueling ramp drainage system us- Building— Reference to (Sprinklers,Hose, ing an open-grate drainage trench. Occupancy Other Standards Supplemental) A.5.1.7 The individual drain is intended to prevent flow of a Terminal NFPA 13,NFPA 15 1000 gpm-3500 gpm spill in one trench from flowing through other trenches.Refer Hangar NFPA 409 Wide range;for large to Figure A.5.1.2(b). hangars,could approximate 25,000 A.5.2.1 Itis suggested that maintenance checks be conducted gpm at least four times a year and more often if climatic or other Cargo NFPA 13,NFPA 15, 1500 gpm-4000 gpm local conditions so dictate. and NFPA 1 A.6.1.1 The loading walkway(s) provide the principal means For SI units,1 gal=3.8 L. of egress while an aircraft is at the terminal.The normal air- craft escape systems (escape slides) are routinely disabled when the aircraft is at the terminal building;additionally the Fire pumps or spare pumps should be given turnover tests doors are often blocked by ground servicing equipment. at least weekly and full flow tests at least annually. Internal combustion engines driving pumps should be run once a week A.6.2.1 Fire tests have shown that smoke and toxic prod- for at least one-half hour each time. ucts generated within the walkway from the decomposition A.5.1.1 Consideration should be given to the hydraulic prob- of certain materials can hinder the egress of passengers lem in disposal of surface water, safe disposal of fuel that from an aircraft during a fire emergency. Existing technol- might be spilled on the ramp, and the gradient to be over- ogy does not permit establishment of performance criteria come in the movement of aircraft. A ratio of 40,000 ft2 for acceptable levels of smoke density and toxic products. (3716 m2) per drainage inlet should not be exceeded with Where the tests specified indicate that materials used in minimum flow distances to drains,but drain inlets should be walkway construction can degrade,thermal barriers or insu- located so as not to endanger aircraft placements within the lation should be used to reduce the rate of temperature rise ramp area so described. and to delay the decomposition of susceptible materials.Of particular concern are those materials used in floor con- A.5.1.2 Figure A.5.1.2(a) and Figure A.5.1.2(b) illustrate struction,such as plywood and floor coverings.The insula- two possible fueling ramp drainage arrangements. Figure tion materials used should produce minimal smoke under A.5.1.2(a) shows one possible arrangement of an aircraft fire exposure conditions. Outflow _a--' -----------Trunk----------- drain---------- �--- x - --- ------------------ �_`a=— Interceptor--1� Low point Interceptor or separator or separator Branch A I drain i y ' B %i�r� Slope '' I ;oz i i `ro� Slope min. [imin. 05 1'� j . %, Drain inlet c�l� iC I ' I U_ m ` Slope min. -y�� ip 0.5% iq A–Minimum ramp grade of k ; 1 percent for 50 ft(15 m) Water seal trap I B–Minimum ramp grade of optional ;y A 0.5 percent to drains of Slope Notes: min. 1!0 (1) Optional water seal traps at inlets Slope �� (2) Inlets 200 ft(61 m)from buildings min.1% (3) No aircraft parked over drain inlets (4) Maximum of not more than 40,000 ft2 Terminal building (3716 m2)per drain (5) Interceptors or separators in trunk drains only FIGURE A.5.1.2(a) Example of Ramp Drainage Using Trapped Drain Inlets. 2008 Edition