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ESR-2528 Page 8 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 />θ 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 6.8 8.1 9.6 11.1 12.7 14.5 16.4 18.3 20.4 <br />20 6.8 8.1 9.6 11.1 12.7 14.5 16.4 18.3 20.4 <br />25 6.8 8.1 9.6 11.1 12.7 14.5 16.4 18.3 20.4 <br />30 6.8 8.1 9.6 11.1 12.7 14.5 16.4 18.3 20.4 <br />35 7.1 8.5 10.0 11.6 13.3 15.1 17.1 19.1 21.3 <br />40 7.4 8.8 10.4 12.0 13.8 15.7 17.8 19.9 22.2 <br />45 7.6 9.1 10.7 12.4 14.2 16.1 18.2 20.4 22.8 <br />50 7.9 9.4 11.1 12.8 14.7 16.8 18.9 21.2 23.6 <br />55 8.2 9.7 11.3 13.1 15.1 17.2 19.4 21.7 24.2 <br />60 8.3 9.9 11.6 13.5 15.5 17.6 19.9 22.3 24.8 <br />Exposure C Ultimate Design Wind Speed (mph) <br />Mean Roof Height 110 120 130 140 150 160 170 180 190 <br />0-15 8.3 9.9 11.6 13.5 15.5 17.6 19.9 22.3 24.8 <br />20 8.8 10.5 12.3 14.3 16.4 18.6 21.0 23.6 26.3 <br />25 9.2 10.9 12.8 14.9 17.1 19.5 22.0 24.6 27.4 <br />30 9.6 11.4 13.4 15.5 17.8 20.3 22.9 25.7 28.6 <br />35 9.9 11.8 13.8 16.0 18.4 20.9 23.6 26.4 29.5 <br />40 10.2 12.1 14.2 16.5 18.9 21.5 24.3 27.2 30.3 <br />45 10.3 12.3 14.5 16.8 19.3 21.9 24.8 27.8 30.9 <br />50 10.7 12.7 14.9 17.3 19.8 22.6 25.5 28.5 31.8 <br />55 10.8 12.9 15.2 17.6 20.2 23.0 25.9 29.1 32.4 <br />60 11.1 13.2 15.4 17.9 20.6 23.4 26.4 29.6 33.0 <br />Exposure D Ultimate Design Wind Speed (mph) <br />Mean Roof Height 110 120 130 140 150 160 170 180 190 <br />0-15 10.1 12.0 14.1 16.3 18.7 21.3 24.1 27.0 30.1 <br />20 10.6 12.6 14.8 17.1 19.6 22.3 25.2 28.3 31.5 <br />25 10.9 13.0 15.3 17.7 20.4 23.2 26.2 29.3 32.7 <br />30 11.3 13.5 15.8 18.4 21.1 24.0 27.1 30.4 33.8 <br />35 11.7 13.9 16.3 18.9 21.6 24.6 27.8 31.2 34.7 <br />40 11.9 14.2 16.7 19.3 22.2 25.2 28.5 31.9 35.6 <br />45 12.2 14.5 17.1 19.8 22.7 25.9 29.2 32.7 36.5 <br />50 12.4 14.8 17.3 20.1 23.1 26.3 29.7 33.3 37.1 <br />55 12.6 15.0 17.6 20.4 23.5 26.7 30.1 33.8 37.6 <br />60 12.8 15.2 17.9 20.8 23.8 27.1 30.6 34.3 38.2 <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 Greater <br />Than 6:12 Equates to Roof Slopes 27°< θ < 45° for Zone 3. <br />302 E Santa Clara Ave <br />9/25/2024