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INDIAN RIVER COUNTY B UILDING DEPAR TMENT <br />A <br />Olt <br />THESE CHARTS ARE FOR 1 & 2 Family Dwellings ONLY <br />THESE ARE THE COMPONENTS AND CLADDING WORST CASE DESIGN PRESSURES THAT CAN BE <br />USED TO COMPLETE PAGE -1 OF THIS APPLICATION. PLEASE NOTE THAT THE 7T" EDITION CODE <br />NOW REFERENCES DIFFERENT ROOF TYPES (FLAT, GABLE AND HIP) AND NEW ZONES. PLEASE <br />USE THE CHART THAT CORRESPONDS TO SPECIFIC ROOF TYPE AND SLOPE. <br />Gable or Flat Roof 0 to 7 degrees <br />(0-11/2:12 Pitch) <br />Gable and Flat Roofs 1.5/12 <br />0.6h <br />i 2 0.6h <br />3 --• 0.6h <br />i O 0.6h i <br />02n - - ---- - --- 3 <br />0 Q0 <br />; <br />n '-------------- ---' - n <br />Roof Slope <br />Zones <br />160 Exp <br />160 Exp <br />160 Exp <br />> 160 Exp. <br />160 Exp <br />- <br />One Story„ <br />Two .S.to <br />One Story <br />;Two.;Story; <br />One Story: <br />Two Stoiry:=; <br />Roof Slope <br />Zone1,1' <br />-36.1 <br />-44.0 <br />-53.3 <br />-61.6 <br />-64.7 <br />-73.1 <br />>0 to 1 % <br />Zone 2 <br />-47.7 <br />-58.1 <br />-70.4 <br />-81.4 <br />-85.5 <br />-96.5 <br />:12 <br />Zone 3 <br />-64.9 <br />-79.1 <br />-95.8 <br />-110.8 <br />-116.3 <br />-131.4 <br />Roof Slope <br />Zones <br />150 Exp <br />150 Exp <br />`150 Exp <br />150 Exp <br />150 Exp : <br />150 Exp: <br />Bt <br />B' <br />CE: <br />C. <br />YD <br />D <br />One Story <br />Two Sfoiry <br />'One:Story <br />Two Story <br />One Stoly- <br />Two Stoiry .: <br />Roof Slope <br />Zone1,1' <br />-31.8 <br />-38.7 <br />-46.9 <br />-54.2 <br />-56.9 <br />-64.3 <br />>0 to 1 % <br />Zone 2 <br />-41.9 <br />-51.0 <br />-61.8 <br />-71.4 <br />-75.0 <br />-84.7 <br />:12 <br />Zone 3 <br />-57.1 <br />-69.6 <br />-84.3 <br />-97.5 <br />-102.4 <br />-115.6 <br />Roof coverings installed on buildings with a Mean Roof Height of 30' or less Exposures B, C or D. Table R301.2 [2] altered <br />per R301.2.1.6 of the FBC Residential. One Story max. roof height of 15 ft., Two Story max. roof height of 30 ft. Zone 3 <br />based on Figure R301.2 [7] 160 mph winds east of 195 and 150 mph west of 1 95, per current I.R.C. Wind speed map. <br />Diagrams from FloridaBuilding.org, 2020 Florida Building Code, Residential, 7th Edition <br />Page 6 of 9 <br />