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Home My WebLink AboutWind Load Calculation RAMMS ENGINEERING, INQ. RMEWED FOR REcery Robert S. Monsour,lP EI ALE FI #1H 9550/0006024016 FLORASCET6i � UNTY APR dYO$Ct RSIGN WIND LOADS (LBS/SQFT) Kd = .85 �C �,rmittirg Daaartment FOR 170 MPH WIND ZONE c:, Lucle erior$ Exterior Zones (4&5 -Walls) Positive Pressures e 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 1.00 0.95 0.92 0.89 0.88 _ 0.86 15 46.1 44.0 42.8 41.9 41.3, -�\, 0.7 0 48.3 46.1 44.9 44.0 4,-$3 \, `42.7 50.1 47.9 46.5 45.6 ��44�9/> \\ ,.3 - 30 51.9 49.6 48.2 47.2 �� 46.5`\ 45.9 40 54.6 52.1 50.7 49.7, `\\4,8.9 \Z 48.2 50 56.8 1 54.3 1 52.8 51 7\\1 50.2 60 - 58.6 56.0 1 54.4 1 (53:3�`\\ 5,2.5 51.8 Interior Zone (4 -Walls) Negative Pressures \� Exposure D For the 170 mph WindZne � CATEGORY 2 BLDG. Effective Wind Area (,or;�T.ributary'Area) in Square Feet Height 10 20 /\301\ \,\\`_40 50 60 Maximum -1.10 -1.05 `� , 9�02� -0.99 -0.98 -0.96 50.0 -47<9 -45.8 -45.2 -44.6 20 -52.4 r;50.2\\\,, I,249:0> -48.1 -47.4 -46.8 -54.4 (<-52.1 '\,\"'��50:8 -49.8 -49.1 30 -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 50 761:�6,, \I\-69\1 1 -57.6 -56.5 -55.7 -55.0 60 `-tg3.6\\ -=6_0c9 -59.4 -58.3 -57.4 -56.8 � � O\ \\ Exterior Zones (5\Walls ijNegative 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 8 Mx�rnum -1.40 -1.29 -1.23 -1.19 -1.15 -1.13 -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 -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 1 -67.9 1 -66.2 1 -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 � (/ TABLES ARE INVALID UNLESS SIGNED WITH BLUE INK AND SEALED BY ROBERT MONSOUR.