Draft EUG Master Plan Update, February 2010

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CHAPTER 3 FACILITY REQUIREMENTS Runway 16R/34L’s 8,009 feet is adequate to accommodate the aircraft types and categories of operations projected through 2026. However, the ability to lengthen Runway 16R/34L to meet the needs of aircraft in the projected fleet, operating at greater stage lengths, should be preserved. Accordingly, the Airport Layout Plan represents an ultimate Runway 16R/34L length of 9,200 feet. The need to improve runway length beyond 8,009 feet will be determined by the evolving operating fleet and passenger markets served by the air carriers. 2.4 Runway Width The standard runway width for Design Group III aircraft with a maximum takeoff weight greater than 150,000 lbs. is 150 ft. The 150 ft width of both Runway 16R/34L and Runway 16L/34R is adequate to accommodate the aircraft types and categories of operations projected through 2026. 2.5 Runway Pavement Strength Runway pavement strength at Eugene Airport is defined for single wheel, dual-wheel, and dual tandem aircraft wheel gear configurations. An aircraft’s wheel gear configuration dictates how the aircraft’s weight is distributed to the pavement, and determines pavement response to loading. The factors of gear configuration, tire contact areas, and tire pressure relate pavement strength to aircraft maximum takeoff weight. The March 15, 2007 FAA Airport/Facility Directory recurring publication lists EUG’s runway weight bearing capacity as: Weight bearing capacity Gear Configuration Runway 16R/34L Runway 16L/34R Single Wheel (S)75,000105,000 Dual Wheel (D)200,000175,000 Dual Tandem (DT)400,000240,000 The weight bearing capacity of both Runway 16R/34L and Runway 16L/34R is adequate to accommodate the aircraft types and categories of operations projected through 2026. 2.6 Taxiway System The standard taxiway width for Design Group III aircraft is 50 ft. Most taxiways at EUG are 75 ft, which allows them to handle B757 charter operations and other larger aircraft that occasionally use the Airport. Access taxiways with widths less than 50 ft exist, but they serve areas for smaller aircraft. As taxiways are improved and constructed, they should have the width of the taxiways to which they connect, and should also consider the size of aircraft intended to use the taxiway. 2.7 Design Surfaces The FAA defines design surfaces, each having specific applicability, dimensions standards and use restrictions, which evolve as the FAA identifies nationwide issues with each surface. The FAA defines these design surfaces in Advisory Circulars, primarily in AC 5300-13, Airport Design. Design surfaces include Runway (& Taxiway) Safety Area, Runway (& Taxiway) Object Free Area, Object Free Zone, Runway Protection Zone, and Runway End Siting Requirement Surfaces. These surfaces are identified and evaluated on the Airport Layout Plan. 3-5 Eugene Airport Master Plan Update (February 2010)