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2/28/83 CHAPTER 3. RUNWAY DESIGN AC 150/51 14. INTRODUCTION. This chapter provides the standards for such elements aa runways, shoulders, the runway safety area, blast pads, clearways, and stopwa Also included are recommendations on firefighting and rescue access roads. ~ 3-1 presents the minimum widths and lengths for runway elements. Table 3-1. Runway design standards ITEM DIM Y I Runway Length A Runway Width B 100 ft 30 lit Runway Shoulder Width 10 ft 3 m Runway Blast Pad Width 120 ft 36 lit Runway Blast Pad Length 100 ft 30 m Runway Safety Area Width .if c 500 fit 150 m Runway Safety Area LenC(th 5/ AIRPLANE DESIGN GROuP Y II III IV 150 ft 45 m 25 ft 7.5 m 200 ft 60 m 200 ft 60 m 500 ft 150 m - Refer to paragraph 15- v 100 ft 100 ftll 30 m JO my 10 ft 3 lit 20 ft 6m --" v 200 60 40 12 280 .4 400 120 500 150 1,.°00 feet. (JOO m) tYOnd ea.h runway ,enð . . 120 ft 140 f~~ 3~ lit 42 my 150 ft 200 ft 45 lit 60 m 500 ft 500 ft 150 m 150 m Y Airplane design groups are keyed to those of table 1-1. ISO ft 45 11 35 ft 10.5111 220 ft 66 m 400 ft 120 II 500 ft 150 II 11 Letters are keyed to those shown as dimensions on figure 2-2. ]I Por airplanes in Design Group III with a maximum certificated takeoff weight greater than 150,000 pounds (68 000 kg), the standard runway width is l50r. (45 rn) and the runway blast pad width may be increased to 190 feet (57 mI. !I For airplanes in Aircraft Approach Category C, the safety area width incre8@- 20 feet (6 m) for each additional 1,000 feet (300 m) of airport elevation greater than 8,200 (2 500 m) above.sea level. For airplanes in Aircraft Approach Category D, the safety area width increases 20 feet (6 II) for each 1,000 feet (300 m) of airport elevation above sea level. ]I For a runway with a stopway Over 1,000 feet (300 m) In length, the runway safety area extends to the end of the stopway. Chap 3 Par 14