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PERMIT DOCUMENTS CityofBoyntonBeach FenestrationVoluntaryWindLoadChart* PerASCE716Part1andFBC(2020)forRetrofittinginAccordancewithFormalInterpretation ForDetachedOneandTwofamilydwellingsandMultipleSingleFamilyDwellings(Townhouses)withMeanRoofHeight30feet Wind170mph(3secondgust)/ExposureC**/Kd=0.85/Kzt=1.0/PressuresareinPSF/NotforuseinCoastal(Exposure'D'areas) *UsingAllowableStressDesignmethodology(P=0.6w)/**ExposureCorDshallbedeterminedaccordingtoASCE716Section26.7(ExposureCategories) RoofandWallZoneChartDiagrams WallPressureChartFlatRoofUpliftChartGableRoofUpliftChartHipRoofUpliftChart InstructionsonhowtousetheseCharts:DetermineMeanRoofHeight,ŷ,whichistopofroofforflatroofsorthemeanroofheightforpitchedroofs.Findyourleast horizontaldimensionforyourbuilding,notincludingaoverhangifitoccurs.Calculatethevalueof,ğ,=10%ofleasthorizontaldimensionor0.4*h,whicheveris smaller,butnotlessthaneither4%ofleasthorizontaldimensionor3feet.Ifyourroofheightislessthan30feet,butnotexactly15,20,or25feet,youwillneedtogo tothenexthigherroofheight.IfyourMeanFoofHeightishigherthan30feet,thesechartsdonotapply.Reviewthediagramwhichillustratethewallandroofzones anddeterminethewindzoneinwhichthecomponentislocated.Determinethetributaryareaofthecomponent.Ifthetributaryareafallsinbetweenvalues,usethe valueofthesmallertributaryarea.Selectthepositiveandnegativewindpressurescorrespondingtothewallorroofzonewhereyourcomponentislocated.Door pressuresshownareforthemostcommondoorsizesandareworstcaseforheights<=30Feet. WallPressureForAllRoofTypesGarage/DoorPressures 15Ft20Ft<=30Ft MeanRoofHeight 10203550100500 EffectiveWindArea TributaryArea10203550100500 PositiveNegative 38.036.234.934.032.328.3WidthHeight WallPositivePressure40.338.537.036.134.330.1 41.239.538.137.235.531.58838.648.2 Zone4NegativePressure43.741.940.539.537.733.5 50.847.444.642.939.531.5101037.445.7 Zone5NegativePressure54.050.447.445.641.933.5 25Ft30Ft141435.441.8 MeanRoofHeight 10203550100500102035501005009738.748.3 TributaryArea 42.340.438.837.835.931.543.941.940.339.337.332.816737.045.0 WallPositivePressure 45.843.942.441.439.535.147.645.744.143.141.136.53741.854.6 Zone4NegativePressure 67 56.652.849.747.843.935.158.854.751.749.645.736.539.850.6 Zone5NegativePressure SIMPLIFIEDROOFUPLIFTCHARTFORROOFINGAPPLICATIONS Thissimplifiedchartrepresentstheworstcasewindpressuresforthevariousroofslopesandheights.ThischartisbasedonaTributaryArea=10SFwhichisrequiredfor roofingapplications.Iftheroofheightislessthan30feet,butnotexactly15,20,or25feet,youwillneedtogotothenexthigherroofheight.Ifyourroofheightishigher than30feet,thesechartsdonotapply.RefertoRoofChartDiagramsonPage1forRoofZoneLocations MeanRoofHeight=15Feet FlatRoofGableRoof1.51to4:12GableRoof4.1to6:12GableRoof6.1:to12:12HipRoof1.51to4:12HipRoof4.1to6:12 Positive* 15.4/38.0Positive23.2Positive23.2Positive34.7Positive28.3Positive28.3 ZoneZoneRoofOverhangRoofOverhangRoofOverhangZoneRoofOverhangRoofOverhang 160.51,2e 70.180.454.064.363.783.6163.774.050.860.8 1'34.82n&2r 10211386.296.570.190.12e89.499.770.179.0 279.83e 10213286.211686.71072r83.093.370.179.0 3*1093r 12215110212870.190.1389.411970.195.3 MeanRoofHeight=20Feet FlatRoofGableRoof1.51to4:12GableRoof4.1to6:12GableRoof6.1:to12:12HipRoof1.51to4:12HipRoof4.1to6:12 Positive* 16.4/40.3Positive24.6Positive24.6Positive36.9Positive30.1Positive30.1 ZoneZoneRoofOverhangRoofOverhangRoofOverhangZoneRoofOverhangRoofOverhang 164.21,2e 74.585.457.468.367.788.9167.678.654.064.6 1'36.92n&2r 10912091.510274.595.72e95.010674.584.0 284.83e 10914091.512392.11132r88.199.174.584.0 3*1163r 12916110813674.595.7395.012674.5101 MeanRoofHeight=25Feet FlatRoofGableRoof1.51to4:12GableRoof4.1to6:12GableRoof6.1:to12:12HipRoof1.51to4:12HipRoof4.1to6:12 Positive* 17.2/42.3Positive25.8Positive25.8Positive38.7Positive31.5Positive31.5 ZoneZoneRoofOverhangRoofOverhangRoofOverhangZoneRoofOverhangRoofOverhang 167.31,2e 78.189.560.271.670.993.1170.982.458.667.7 1'38.72n&2r 1141259610778.11002e99.611178.188.0 288.83e 1141479612996.61192r92.410478.188.0 3*1213r 13516811314378.1100399.613378.1106 MeanRoofHeight=30Feet FlatRoofGableRoof1.51to4:12GableRoof4.1to6:12GableRoof6.1:to12:12HipRoof1.51to4:12HipRoof4.1to6:12 Positive* 17.9/43.9Positive26.8Positive26.832.8 Positive40.2Positive32.8Positive ZoneZoneRoofOverhangRoofOverhangRoofOverhangZoneRoofOverhangRoofOverhang 170.01,2e 81.193.162.674.573.796.8173.785.658.870.4 1'40.22n&2r 11813099.811281.11042e10311581.191.4 292.33e 11815399.81341001232r96.010881.191.4 3*1263r 14117511814881.1104310313881.1110 *IfParapet>=3FtoccursaroundentirebuildingusethesameZone2pressureforZone3andusethehigherpositivepressureshown WPJE!WPJE Djuz!pg!Cpzoupo!Cfbdi!Cvjmejoh!EjwjtjpoDjuz!pg!Cpzoupo!Cfbdi!Cvjmejoh!EjwjtjpoDjuz!pg!Cpzoupo!Cfbdi!Cvjmejoh!Ejwjtjpo 211!F!Pdfbo!Bwf211!F!Pdfbo!Bwf211!F!Pdfbo!Bwf BQQSPWFE Cpzoupo!Cfbdi-!GM!44536.1421 Sfnzt!2201803132 ............................................................................ 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