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HomeMy WebLinkAboutDesign Wind LoadsFlip,RAMMS ENGINEERING; INC. 2100 W76 ST. #3-1.1, HIALEAH, FLORIDA, 33016 FLORIDA BUILDING CODE 2020 Robert S. Monsour;, P.E. FI # 11955 / 0006024 ASCE'7=1'6 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.' MaxiMupl . . Effective Wihd-.Area .(or, Tributary Area); in Square Feet 10 20 ,. 30 .40 : , ; 50 60 . 1.00 0.95 0.92 0.89 0.88 ` =, 0.86 5 .. 46.1 ,: ;-421 _ 41:9 - ._41 7 ..201. 48.3 46.1 - 449. 44:0' 42 25 50:1 47.9 46:5 45..6' 9` " �4� 3.0 51.9 49.6 48.2 47:2. 6.5' 9 40 54.6 52.1 50.7 49:7 8" " 48.2 . 50:. 56.8 54.3 52.8 5 :7: 9� 50.2 60. 58.6 56.0 54.4: 3 .. X 51.8 j Interior Zone.(4-.Walls):Ne0ati've.fressures ..- Exposure 'D -.For the .. 1.70 : .:. mph y 1.� on CATEGORY 2 BLDG: Height Maximup,; Effective Wind _Are o Xib"ctary Area) in Square Feet 10 20 0 4b 50 60 -1.10 -1.05 _ - ,0 \; -0.99 .70.98. =0.96 I[f -50.0 .. -4�i 7 ... -45.8 -� �4'S 2 : .. -44.6 . 20.: =52.4. AO.2 (, -48.1 -47.4 -46.8 25. -54.4 <-52.1 = 17.8 '49.8. 749.1 -48.5 30. -56;3. , - �4' 52.6, -51::6 -50.9 -50.3 40 -59.2 4-56: -55.3 -54.3 -53.5 -52.9 50. -6 -59: -57.6. -56.5 -55.7 -55.0 W. n �3.6 � - r0 -59.4 -58.3 . _57.4 : -56.8 � ealt&}.Pessures ..Exterior Zones (5othe.17phnd ' Zone, 'CATEGORY 2 BLDG.,. ,ExposuW ..,- He(ght (, MaXIUm 4 ffective Wind Area'(or, Tributary Area) in. Square Feet. IQ 20 ... ... 30 40 , : 50' 60 . -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 2 , -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 A8.0' -65.'8 764.2 -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 T ARE NOT TO)BE REPRODUC*ED IN WHO' OR M PAR+T 1 WITHO )R41v 'TEN P = ME l TABLES ARE INV UNLESS SI I E► WITH BLUE ►SEALED BY fil