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HomeMy WebLinkAboutWind Load Calculation , \ RAMMS ENGINEERING, INC. - 2100 W 76 ST. #311, HIALEAH, FLORIDA, 33016 FLORIDA BUILDIN CODE 2017 Robert S. Monsour, P.E. FI # 11955/0006024 ASCE 7-10 WIND ODE JUN 16- 2020 DESIGN WIND LOADS (LBS/SQFT) Kd= .85 s . Lucie County, Permitting FOR 170 MPH WIND ZONE Interior& Exterior"Zones (4&5 -Walls) Positive Pressures Exposure C For the 170 mph Wind Zone ective-Wind Area"(or, Tributary Area)in Square Tept Height 10 20 30 40 50 60 Max m 0.95 0.92 0.89 0.88 0.86 15 38.0 36.3 35.3 34.6 34.1 <<X33.6 20 40.3 38.5 37.4 36.6 36!1 \ 35,\6 25 42.1 40.2 39.1 38.3 \37)� 30 43.8 41.9 40.7 39.9 \ 9.3 \ ,3V 40 46.5 44.4 43.2 42.3_ \\4\\l.,7 - - - -:50 _v_ 48.8 46.6 --45.3 ­44.-4-� -`�k3 �--1 - - -- 60. 50.6 48.3 46.9 t6-0\\\\45}3 1 44.7 Interior Zone (4 -Walls) Negative PFes`s�krys Exposure C For the 170 mph � Effective:Wind Are or, ib'tlta Area) in SquareTeet Height 10 20 \30 -1\\ ''- 0 50 60 Mat - -1.05 (,< -1.0'2'1 X0.99 -0.98 -0.96 (4'1.q_) , -39. `\\\z8,8.5\\ -37.8 -37.3 -36.8 20 -43.7 -41.9 ) -40.1 -39.5 -39.0 25 -45.6 //,743.7 6' -41.8 -41.2 -40.7 30. -47.6 \`4,5c6 \1;44.4 -43.6 -43.0 -42.5 40 -50.5 -47.1-47.1 -46.3 -45.6 -45.1 50 -52`9 -49.4 -48.5 -47.8 -47.2 LU 60 ,34.8\ =32! -51.2 1 -50.3 -49.6 -49.0 Exterior Zones ( WN I ) bgative Pressures Exposure Pr the 170 mph Wind Zone \ effective Wind Area (or, Tributary Area)in Square Feet • . H'7'' -t 10 20 30 40 50 60 1Vlanum\ v-1.40 -1.29 -1.23 -1.19 -1.15 -1.13 �� •5�\J -50.9 -47.5 -45.5 -44.1 -43.0 -42.1 \\` 0 -53.9 -50.3 -48.2 -46.7 -45.5 -44.5 \415 -56.3 -52.5 -50.3 -48.7 -47.5 -46.5 3 -58.7 -54.8 -52.4 -50.8 -49.5 -48.5 40 -62.3 -58.1 -55.7 -53.9 -52.6 -51.5 50 -65.3 1 -60.9 1 -58.3 -56.5 1 -55.1 1 -53.9 60 -67.7 1 -63.1 1 -60.5 -58.6 1 -57.1 1 -55.9 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). iTHESE TABLES ARE NOT TO BE REPRODUCED-IN WHOLE OR IN PART ;WITHOUT WRITTEN PERMISSION BY RAMIvlS ENGINEERING.ALSO,THESE ;TABLES ARE INVALID UNLESS SIGNED WITH BLUE INK AND SEALED BY ,ROBERT MONSOUR. W