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ESR-2528 Page 9 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 θ 4 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 12.1 14.4 17.0 19.7 22.6 25.7 29.0 32.5 36.2 <br />20 12.1 14.4 17.0 19.7 22.6 25.7 29.0 32.5 36.2 <br />25 12.1 14.4 17.0 19.7 22.6 25.7 29.0 32.5 36.2 <br />30 12.1 14.4 17.0 19.7 22.6 25.7 29.0 32.5 36.2 <br />35 12.7 15.1 17.7 20.5 23.5 26.8 30.2 33.9 37.8 <br />40 13.2 15.7 18.4 21.3 24.5 27.9 31.5 35.3 39.3 <br />45 13.5 16.1 18.9 21.9 25.1 28.6 32.3 36.2 40.3 <br />50 14.0 16.7 19.6 22.7 26.1 29.7 33.5 37.6 41.9 <br />55 14.4 17.1 20.1 23.3 26.8 30.4 34.4 38.5 42.9 <br />60 14.7 17.5 20.6 23.9 27.4 31.2 35.2 39.5 44.0 <br />Exposure C Ultimate Design Wind Speed (mph) <br />Mean Roof Height 110 120 130 140 150 160 170 180 190 <br />0-15 14.7 17.5 20.6 23.9 27.4 31.2 35.2 39.5 44.0 <br />20 15.6 18.6 21.8 25.3 29.0 33.0 37.3 41.8 46.6 <br />25 16.3 19.4 22.8 26.4 30.3 34.5 38.9 43.6 48.6 <br />30 17.0 20.2 23.7 27.5 31.6 35.9 40.6 45.5 50.7 <br />35 17.5 20.8 24.5 28.4 32.6 37.0 41.8 46.9 52.2 <br />40 18.0 21.5 25.2 29.2 33.5 38.1 43.1 48.3 53.8 <br />45 18.4 21.9 25.7 29.8 34.2 38.9 43.9 49.2 54.8 <br />50 18.9 22.5 26.4 30.6 35.1 40.0 45.1 50.6 56.4 <br />55 19.2 22.9 26.9 31.2 35.8 40.7 46.0 51.5 57.4 <br />60 19.6 23.3 27.4 31.7 36.4 41.4 46.8 52.5 58.4 <br />Exposure D Ultimate Design Wind Speed (mph) <br />Mean Roof Height 110 120 130 140 150 160 170 180 190 <br />0-15 17.9 21.3 24.9 28.9 33.2 37.8 42.7 47.8 53.3 <br />20 18.7 22.3 26.2 30.3 34.8 39.6 44.7 50.1 55.9 <br />25 19.4 23.1 27.1 31.5 36.1 41.1 46.4 52.0 57.9 <br />30 20.1 23.9 28.1 32.6 37.4 42.5 48.0 53.9 60.0 <br />35 20.6 24.6 28.8 33.4 38.4 43.7 49.3 55.2 61.6 <br />40 21.2 25.2 29.5 34.3 39.3 44.8 50.5 56.6 63.1 <br />45 21.7 25.8 30.3 35.1 40.3 45.9 51.8 58.0 64.7 <br />50 22.0 26.2 30.8 35.7 40.9 46.6 52.6 59.0 65.7 <br />55 22.4 26.6 31.2 36.2 41.6 47.3 53.4 59.9 66.7 <br />60 22.7 27.0 31.7 36.8 42.2 48.1 54.2 60.8 67.8 <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 63/4:12 <br />and Less Equates to Roof Slopes 12° < θ < 30° deg for Zone 3. <br />302 E Santa Clara Ave <br />9/25/2024