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HomeMy WebLinkAboutWind Load Calculation RAMMS CNGINCCRING INC. 2100 W 76 ST. #311, HIALEAH, FLORIDA, 33016 FLORIDA BUILDING CODES x,17` Robert S. Monsour, P.E. FI # 11955/0006024 ASCE 7-10 WIND CODES 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. Effective Wind Area (or,Tributary Area),in-S.quare;Feet . Height 10 2 3 40 " 5�0 60 Maximum 1.00 0.95 0.92 0.89 V 0A8--,' 0.86 15 46.1 44.0 42.8 41.9 41,*A 40.7 g a 20 " 48.3 46. 44.9 44.0 43?3' 42.7 25 50.1 47.9 46.5 45 6 4', 44.3 u 30 51.9 49.6 48.2 47.2 ):A, 46.5 45.9 a 2 40 54.6 52.1 50.7 49:7 48.9 48.2 3 50 56.8 54.3 52.8 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 W d`Zone CATEGORY 2 BLDG. EffectiveWind AieaF(or,:Tributary Area}in Square Feet Height 10 2 ';3 40 50 60 (Maximum)' -1.10 -1.0y1µ.,02"� -0.99 -0.98 -0.96 15 -50.0 -47;9", -4... .7 -45.8 -45.2 -44.6 > <� - -52.4 i'49.- -48.1 -47.4 -46.8 25 -54.4 -521 -50.8 -49.8 -49.1 -48.5 30 -56.3 .r'� -54.0 -52.6 -51.6 -50.9 -50.3 40 -59.2''/ /,'215Q.,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 'x,:;,',60.9 -59.4 -58.3 -57.4 -56.8 < //i ) LUExterior 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_ Heigh10 20 30 40 50 60 Maximum -- /,/-1.40 -1.29 -1.23 -1.19 -1.15 -1.13 -61.7 -57.6 -55.1 -53.4 -52.1 -51.0 -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 -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 -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. 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 (TABLES ARE INVALID UNLESS SIGNED WITH BLUE INK AND SEALED BY f ROBERT MONSOUR. �U