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HomeMy WebLinkAboutEngineeringRAM ENGINEERING, INC. 2100 W 76 ST. #311, HIALEAH, FLORIDA, 33016 FLORIDA BUILDING CODE 2017 Robert S. Monsour, P.E. FI # 11955 / 0006024 ASCE 7-10 WIND CODE DESIGN WIND LOADS (LBS/SQFT) Kd = .85 FOR 170 MPH WIND ZONE Interior & Exterior Zones (4&5 -Walls) Positive Pressures Exposure D For the 170 mph Wind Zone CATEGORY 2 BLDG. Height Effective Wind Area (or, Tributary Area) in Square Feet L__1_p 20 30 40, 0! 60 Maximum 1.00 0.95 0.92 0.89 0.88 0.86 15 ' �46.1 , 44.0 42.8 T :9 1.3 40.7 20 48.3 46.1 44.9 44.0 43.3 42.7 25 50.1 47.9 46.5 45.6 44.9 44.3 30 51.9 49.6 48.2 47.2 46.5 45.9 40 6-1 52.1 50.7 49.7 48.9 48.2 50 56.8 54.3 52.8 51.7 50.9 50.2 60 58.6 56.0 54.4 53.3 52.5 51.8 Interior Zone (4 - Walls) Negative Pressures Exposure D For the 170 mph Wind Zone CATEGORY 2 BLDG. Effective Wind Area (or, Tributa Area) in Square Feet Height <W 20 30 C 40,' 0 60 Maximum -1.10 -1.05 -1.02 -0.99 -0.98 -0.96 5 < 0�% -47.9 , -46.7 C-4 .8, 45.2 ' -44.6 20 -52.4 -50.2 -49.0 -48.1 -47.4 -46.8 25 -54.4 -52.1 -50.8 -49.8 -49.1 -48.5 30 1 -56.3 -54.0 -52.6 -51.6 -50.9 -50.3 40 -59.2 -56.7 -55.3 -54.3 -53.5 -52.9 50 -61.6 -59.1 -57.6 -56.5 -55.7 -55.0 60 -63.6 -60.9 -59.4 -58.3 -57.4 -56.8 Exterior Zones (5 - Walls) Negative Pressures Exposure'D' For the 170 mph Wind Zone CATEGORY 2 BLDG. Effective Wind Area (or, Tributary Area) in Square Feet Height 10 20 30 40 50 60 Maximum -1.40 -1.29 -1.23 -1.19 -1.15 -1.13 15 -61.7 -57.6 -55.1 -53.4 -52.1 -51.0 20 -64.7 -60.3 -57.8 -56.0 -54.6 -53.4 25 -67.1 -62.6 -59.9 -58.1 -56.6 -55.4 30 1 -69.5 -64.8 -62.1 -60.1 -58.6 -57.4 40 -73.1 -68.2 -65.3 -63.2 -61.7 -60.4 50 -76.1 -71.0 -68.0 -65.8 -64.2 -62.8 60 -78.5 -73.2 -70.1 -67.9 -66.2 -64.8 NOTE: AN 8% REDUCTION OF THE LOADS SHOWN ABOVE MAY BE TAKEN FOR FLAT ROOFS. Length of End Zone (a): 10% of least horizontal dimension or .4 h, whichever is smaller, but not less than 4% of least horizontal dimension or 3 ft. (h = mean roof height in feet). THESE TABLES ARE NOT TO BE REPRODUCED IN WHOLE OR IN PART WITHOUT WRITTEN PERMISSION BY RAMMS ENGINEERING. ALSO, THESE P TABLES ARE INVALID UNLESS SIGNED WITH BLUE INK AND SEALED BY I V ROBERT MONSOUR.