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

AIRCRAFT LOADING WALKWAYS 415-7 tem.Each 21,E in. (63.5 mm)hose connection shall be equipped tible or flammable liquids into a safely located,approved con- with a 21h in.x I 1 in. (63.5 mm x 38 mm)reducer and cap. tainment facility. 4.5.4.2 Class III standpipe systems shall be provided in non- 5.1.6 Grates and drain covers shall be removable to facilitate sprinklered buildings.The exceptions in NFPA 14,Standard for cleaning and flushing. the Installation of Standpipe and Hose Systems,for Class III systems shall be applicable to this requirement. 5.1.7*If open-grate drainage trenches are used as a collection means,such open trenches,including branches,shall not be 4.5.5 Water Supply. Water supply from public or private over 125 ft (38 m) in length with a minimum interval of 6 ft sources shall be adequate to supply maximum calculated (1.8 m)between open-trench sections to act as fire stops.Each sprinkler demand plus a minimum of 500 gpm (1893 L/min) 125 ft (38 m) section shall be individually drained through for hose streams. The supply shall be available at the rate underground piping.Open trenches shall not be used where specified for a period of at least 1 hour. they are in the line of pedestrian or passenger traffic. 4.5.5.1*Main sizes shall be hydraulically calculated based on 5.1.8 Underground piping and components used in drain- the total domestic and fire protection requirements. Mains age systems shall be noncombustible and inert to fuel. shall be not less than 8 in. (203 mm) in diameter except that laterals shall be permitted to be 6 in. (152 mm) in diameter if 5.2 Drain and Separator Maintenance. not over 200 ft (61 m) long. 5.2.1*Periodic maintenance checks shall be conducted of all 4.5.5.2* Hydrants shall be readily accessible to fire-fighting ramp drainage systems and interceptors to ensure that they vehicles traveling on surfaces adequate for supporting such are clear of obstructions and function properly. vehicles. 5.2.2 Large volume flushing with water shall be conducted 4.5.5.2.1 Hydrants shall be listed. through appropriate drainage elements to purge residual fuel 4.5.5.2.2 Hydrants shall be located or protected to prevent from these drainage elements after any large fuel spill on the mechanical or vehicular damage,including taxiing aircraft. aircraft fueling ramp enters the drainage system. 4.5.5.2.3 Hydrants recessed into the ground shall have iden- tifiers in the pavement to assist in their prompt location at night and by personnel who might not be familiar with the Chapter 6 Aircraft Loading Walkways location of the hydrants. 4.5.5.3*Water supply systems shall be regularly tested to en- 6.1 Basic Design. sure operation. 6.1.1* Each aircraft loading walkway installation shall be de- 4.5.6 Portable Fire Extinguishers. Portable fire extinguishers signed to provide a safe means of egress from the aircraft for a shall be provided throughout the airport terminal building in period of 5 minutes under fire exposure conditions equivalent accordance with NFPA 10,Standard for Portable Fire Extinguishers. to a free-burning jet fuel spill fire. 6.1.2 Protection of the aircraft loading walkway shall be ac- Chapter 5 Aircraft Fueling Ramp Drainage complished by one of the following methods: (1) Construction design meeting the requirements of Sec- 5.1 Aircraft Fueling Ramp Slope and Drain Design. tions 6.1 through 6.4 5.1.1*Aircraft fueling ramps shall slope away from terminal (2) Fixed fire protection meeting the requirements of Sec- buildings,aircraft hangars,aircraft loading walkways,or other tions 6.1,6.2,and 6.5 structures,with a minimum grade of 1 percent(1:100)for the 6.2 Requirements for All Aircraft Loading Walkways. first 50 ft (15 m). Beyond this distance, the ramp slope to drainage inlets shall be permitted to be reduced to a mini- 6.2.1*Interior finish other than textiles of walls,ceilings,and mum of 0.5 percent(1:200). walkways shall be Class A as defined in 10.2.3.4(1) of NFPA 5.1.2*Aircraft fueling ramp drainage as specified herein shall 101, Life Safety Code, and classified in accordance with be accomplished by the provisions of 5.1.1 in conjunction with NFPA 255,Standard Method of Test of Surface Burning Characteyis- the following: tics of Building Materials. (1) The use of drain inlets with connected piping 6.2.2 Interior textile finish of walls and ceilings in walkways (2) The use of open-grate trenches shall be as limited by 10.2.4.1(5) of NFPA 101,Life Safely Code. 5.1.3 Drainage inlets,where provided,shall be located a mini- 6.2.3 Interior floor finish in walkways shall be Class I as defined mum of 50 ft(15 m)from structures outlined in 5.1.1. in 10.2.7.4(l)of NFPA 101,Life Safety Code,and classified in accor- dance with NFPA 253, Standard Method of Test for Critical Radiant 5.1.4 The drainage system of any aircraft fueling ramp shall be H.x ofFloor Covering Systems Using a Radiant Heat Energy Source. so designed that the fuel or its vapor cannot enter into the drain- age system of buildings,areas utilized for automobile parking, 6.2.4 There shall be no transparent or translucent walls,win- public or private streets,or the public side of airport terminal or dows, or surfaces other than those windows located in the aircraft hangar structures.In no case shall the design allow fuel to ramp access service door and in the cab area for the purpose collect on the aircraft fueling ramp or adjacent ground surfaces of operating the aircraft loading walkway. where it could constitute a fire hazard. 6.2.5* During a ramp fire emergency,walkway interiors shall 5.1.5 The final separator or interceptor for the entire airport have a positive air pressure delivered from a source that shall drainage system shall be designed to allow disposal of combus- remain uncontaminated. 2008 Edition