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Home My WebLink AboutWIND PRESSURE CHARTBASIC WIND SPEED = 170 mph RISK CATEGORY 1I BUILDINGS RESIDENTIAL, APARTMENT BUILDINGS & COMMERCIAL BUILDINGS (RETAIL, WHOLESALE) PEAK ROOF L"* LESS THAN 7'-9" L** GREATER OR EQUAL THAN 7'-9" AND LESS THAN 12'-3' Ls. GREATER OR EQUAL THAN 12'-3' HEIGHT POSITIVE NEGATIVE POSITIVE NEGATIVE POSITIVE NEGATIVE (h) ULTIMATE A.S.D. ULTIMATE A.S.D. ULTIMATE A.S.D. ULTIMATE A.S.D. ULTIMATE A.S.D. ULT/MATE A.S.O. 0' - 15' 76.4 45.8 102.4 61.4 73.0 43.8 95.5 573 68.5 41.1 86.4 51.8 > 15'-20' 80.4 48.2 107 6 64.6 76.8 46. 1 100.4 60.2 72.0 43.2 90.8 54.5 > 20'-25' 83.6 50.2 111.9 67.1 79.8 47.9 104.4 62.6 74.8 44.9 94.4 56.6 > 25'-30' 86.2 51.7 115.5 69.3 82.4 49.4 107.7 64.6 77.3 46.4 97.4 58.4 > 30'-40' 90.7 54.4 - 121.4 72.8 86.6 _52.0 113.3 68.0 8 1.2 48.7 102.4 61.4 > 40'-50' 94.3 56.6 126.2 75.7 90.0 1 54.0 117.7 70.6 84.4 50.6 106.5 63.9 > 50'-60' 97.3 58.4 130.3 78.2 92.9 55.7 121.5 72.9 87.2 52.3 109.9 65.9 BUILDING'S PEAK ROOF HEIGHT vs DESIGN WIND PRESSURE FOR COMPONENTS & CL O NG (P S F) FOR ASCE 7 16 PEAK ROOF HEIGHT GREATER THAN 60 FEET* BASIC WIND SPEED = 170 mph RISK CATEGORY H BUILDINGS RESIDENTIAL, APARTMENT BUILDINGS & COMMERCIAL BUILDINGS (RETAIL, WHOLESALE) PEAK ROOF Lxs LESS THAN 12-3" L=x GREATER OR EQUAL THAN 12'-3" HEIGHT POSITIVE NEGATIVE POSITIVE NEGATIVE (h) ULTIMATE A.S.D. ULTIMATE A.S.D. ULTIMATE A.S.D. ULTIMATE A.S.D. > 60' - 70' 91.5 54.9 1677 100.6 84.3 50.6 148.4 89.0 > 70' - 80' 93.6 56.2 171.6 103.0 86.2 51.7 151.9 91.1 > 80' - 9o, 95.6 57.4 175.2 105.1 88.0 52.8 155.0 93.0 > 90' - 100' 97.3 58.4 178.4 1074 89.7 53.8 1579 94.7 > 100' - 120' 100.5 460"13 • 184.2 jA1'O 5 ;y 92.5 55.5 163.0 97.8 > 120' - 140' 103.2 61.9 189.2 1l 5' 95.1 57.1 167.4 100.4 > 140' - 160' 105.6 63.4 193.6 116.2 97.3 58.4 171.3 102.8 > 160' - 180' 1078 64.7 1976 , 118.6 99.3 59.6 174.9 104.9 > 180' - 200' 109.8 65.9 201.3 120.8 101.1 60.7 178.1 106.9 > 200' - 250' 114.1 68.5 209.2 125.5 105.2 63.1 185.1 111.1 > 250' - 300' 117.8 70.1 216.0 129.6 108.5 65.11 191.1 114.7 > 300' - 350' 121.0 72.6 221.9 133.1 111.5 66.9 196.3 117.8 > 350' - 400' 123.9 74.3 2271 136.3 114.1 68.5 200.9 120.5 > 400' - 45o' 126.4 75.8 231.8 139.1 116.5 69.9 205.1 123.1 > 450' - 500' 128.8 77.3 236.1 141.7 118.6 71.2 208.9 125.3 NOTES: 1.) THIS CERTIFIED SIGNED AND SEALED WIND LOAD CHART, PREPARED BY THIS ENGINEER, BASED ON ASCE 7-16, FOR A BASIC WIND SPEED OF 170 MPH, AND APPLICABLE RISK CATEGORY BUILDING & EXPOSURES, IS COMPLETELY GENERIC AND DOES NOT PROVIDE INFORMATION FOR A SITE SPECIFIC PROJECT. 2.) - THIS WIND LOAD CHART MUST BE SIGNED, SEALED AND DATED BY THIS ENGINEER IF USED TO OBTAIN A ONE TIME BUILDING PERMIT. 3.) CONTRACTOR OR PERMIT HOLDER TO BE RESPONSIBLE FOR THE SELECTION OF DESIGN WIND PRESSURE BASED ON THIS GENERIC WIND LOAD CHART. WIND PRESSURES ARE ULTIMATE AND A.S.D. PRESSURES. 4.) THIS WIND LOAD CHART SHALL BE CONSIDERED INVALID IF ALTERED BY ANY MEANS. 5.) DESIGN WIND LOAD SELECTED BY THE CONTRACTOR OR PERMIT HOLDER FROM THIS WIND LOAD CHART SHALL BE INDICATED ON A SEPARATE DOCUMENT PREPARED BY THE CONTRACTOR OR PERMIT HOLDER (e.g., SPREADSHEET, OPENING SCHEDULE/TAKE OFF SHEET, ETC.). File Cody REVIEWED �FO CODE COMPLIANCE Si. L CIE COUNTY BOCC#QfZf * INDICATED DESIGN WIND PRESSURES CORRESPOND TO THE MAXIMUM END ZONE AND INTERIOR ZONE CONDITIONS AND FOR ALL ROOF SLOPES. ak L = STORM PANEL LENGTH, ACCORDION SHUTTER BLADE LENGTH OR BAHAMA SHUTTER HEIGHT. ak PRODUCTS WHICH BEAR A MIAMI-DADE COUNTY OR A STATE OF FLORIDA APPROVAL PEPOf 2020 (7fh EDITION) FLORIDA BUILDING CODE - BROWARD, PALM BEACH, MAR77N, ST. LUCIE & IND14N RIVER COUNTIES