a5_cee4674_09_solPDF

# a5_cee4674_09_solPDF - CEE 4674 Homework 5 Spring 2009...

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Assignment 5: Geometric Design Standards Date Due: March/6/2009 by COB Instructor: Trani Problem #1 A new airport in Nevada (near Las Vegas) is expected to serve business jets and regional jets using a single 7,500 foot runway. The airport is expected to have an ILS Category 1 precision approach system available to both runway ends. After consultation with airlines and corporate flight departments, the largest and most critical aircraft to operate from the facility is the Embraer 195 regional airliner (see Figure 1). The aircraft has an approach speed of 125 knots at maximum allowable landing weight. Figure 1. Dimensions and Layout of the Embraer 195 Regional Aircraft. CEE 4674 Homework 5 Spring 2009 1

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a) Determine the dimensions of the complete runway taxiway layout shown in Figure 2 (for the new airport). Clearly indicate the FAA standards used. Figure 2. Simplified Airport Layout for Problem 1. The critical aircraft is the Embrer 195. The wingspan of the aircraft makes the aircraft ADG III. See Table below. Use ADG-III as critical aircraft and approach categories C and D. Dimension Length - feet (meters) Remarks B 100 (30) Runway width (Table 3-3) C 500 (150) Runway safety area width (Table 3-3) D 400 (122) Runway to taxiway centerline distance (Table 2-2) E 118 (36) Taxiway safety area width (Table 4-1) G 500 (150) Runway to aircraft parking area (Table 2-2) J 152 (46.5) Taxiway to parallel taxiway/taxilane distance (Table 2-3) CEE 4674 Homework 5 Spring 2009 2
Dimension Length - feet (meters) Remarks K 93 (28.5) Taxiway to fixed/movable object (Table 2-3) P 1000 (300) RSA length beyond runway end (Table 3-3) Q 800 (244) ROFA width (Table 3-3) R 1000 (300) ROFA beyond runway end (Table 3-3) W 50 (15) Taxiway width (Note that landing gear wheelbase is less than 60 feet) (Table 4-1) Z 81 (24.5) Taxilane to fixed/movable object (Table 2-3) b) Find the size of the runway and taxiway shoulders needed at this airport. The runway shoulders need to be 20 feet (6 meters) (Table 3-3). The taxiway width will be 20 feet (6 meters) (Table 4-1). c) Assuming the top of Figure 2 is the North side of the airport, find the closest distance from the runway that a developer could build a 4-story hotel (say 50 feet tall). Explain the controlling surfaces and dimensions considered in your analysis. Surfaces to be tested: 1) Transitional surface extending at a slope 7:1 outwards from the primary surface and 2) the

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a5_cee4674_09_solPDF - CEE 4674 Homework 5 Spring 2009...

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