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ESR-2528 Page 7 of 19 <br />APPENDIX A (Continued) <br />DESIGN CONSIDERATIONS FOR HIGH WIND APPLICATIONS <br />Under The 2015 IBC and IRC and the 2012 IBC and IRC (ASCE 7-10) <br />2 <br />2 θ 2 θ <br />Exposure B Ultimate Design Wind Speed (mph) <br />Mean Roof Height 110 120 130 140 150 160 170 180 190 <br />0-15 8.4 10.0 11.7 13.6 15.6 17.8 20.1 22.5 25.1 <br />20 8.4 10.0 11.7 13.6 15.6 17.8 20.1 22.5 25.1 <br />25 8.4 10.0 11.7 13.6 15.6 17.8 20.1 22.5 25.1 <br />30 8.4 10.0 11.7 13.6 15.6 17.8 20.1 22.5 25.1 <br />35 8.8 10.4 12.2 14.2 16.3 18.5 20.9 23.5 26.1 <br />40 9.1 10.9 12.7 14.8 17.0 19.3 21.8 24.4 27.2 <br />45 9.4 11.1 13.1 15.2 17.4 19.8 22.4 25.1 27.9 <br />50 9.7 11.6 13.6 15.7 18.1 20.6 23.2 26.0 29.0 <br />55 10.0 11.9 13.9 16.1 18.5 21.2 23.8 26.7 29.7 <br />60 10.2 12.1 14.2 16.5 19.0 21.6 24.4 27.3 30.4 <br />Exposure C Ultimate Design Wind Speed (mph) <br />Mean Roof Height 110 120 130 140 150 160 170 180 190 <br />0-15 10.2 12.1 14.2 16.5 19.0 21.6 24.4 27.3 30.4 <br />20 10.8 12.9 15.1 17.5 20.1 22.9 25.8 28.9 32.2 <br />25 11.3 13.4 15.8 18.3 21.0 23.9 26.9 30.2 33.7 <br />30 11.8 14.0 16.4 19.1 21.9 24.9 28.1 31.5 35.1 <br />35 12.1 14.4 16.9 19.5 22.5 25.6 29.0 32.5 36.2 <br />40 12.5 14.9 17.4 20.2 23.2 26.4 29.8 33.4 37.2 <br />45 12.7 15.1 17.8 20.6 23.7 26.9 30.4 34.1 38.0 <br />50 13.1 15.6 18.3 21.2 24.3 27.7 31.2 35.0 39.0 <br />55 13.3 15.9 18.6 21.6 24.8 28.2 31.8 35.7 39.7 <br />60 13.6 16.1 18.9 22.0 25.2 28.7 32.4 36.2 40.5 <br />Exposure D Ultimate Design Wind Speed (mph) <br />Mean Roof Height 110 120 130 140 150 160 170 180 190 <br />0-15 12.4 14.7 17.3 20.0 23.0 26.2 29.5 33.1 36.9 <br />20 13.0 15.4 18.1 21.0 24.1 27.4 31.0 34.7 38.7 <br />25 13.4 16.0 18.8 21.8 25.0 28.4 32.1 36.0 40.1 <br />30 13.9 16.6 19.4 22.6 25.9 29.5 33.3 37.3 41.5 <br />35 14.3 17.0 19.9 23.1 26.6 30.2 34.1 38.2 42.6 <br />40 14.6 17.4 20.5 23.7 27.2 31.0 35.0 39.2 43.7 <br />45 15.0 17.9 21.0 24.3 27.9 31.7 35.8 40.2 44.8 <br />50 15.2 18.1 21.3 24.7 28.3 32.3 36.4 40.8 45.5 <br />55 15.5 18.4 21.6 25.1 28.8 32.8 37.0 41.5 46.2 <br />60 15.7 18.7 22.0 25.5 29.2 33.3 37.6 42.1 46.9 <br />Wind Speeds are per ASCE 7-10 for Ultimate Design Wind Speed at 33 ft. above ground. Mean Roof Height in Feet for Roof Pitches Less <br />Than 51/2:12 Equates to Roof Slopes 12°< θ < 25° for Zone 3. <br />302 E Santa Clara Ave <br />9/25/2024