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HomeMy WebLinkAboutWind Pressure Chart- PEAK ROOF BASIC WIND SPEED = 170 mph RISK CATEGORY l/ 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'-J" I- 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. ULTIMATE A.S.D. 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 81.2 48.7 1 702.4 1 61.4 > 40'-50` 94.3 56.6 126.2 75.7 90.0 54.0 117.7 70.6 84.4 50.6 1 106.5 1 63.9 > 50'-60' 97.3 58.4 130.3 78.2 92.9 55.7 121.5 72.9 87.2 52.3 1 109.9 1 65.9 &MDING'S PEAK ROOF HEIGHT vs DESIGN WIND PRESSURE FOR COMPONENTS A CLADDING (P S F) FOR ASCE 7 16 PEAK ROOF HEIGHT GREATER THAN 60 FEET aK BASIC WIND SPEED = 170 mph RISK CATEGORY Il BUILDINGS RESIDENTIAL, APARTMENT BUILDINGS & COMMERCIAL BUILDINGS (RETAIL, WHOLESALE) PEAK ROOF La's 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 > a0' - 9o, 95.6 57.4 175.2 105.1 88.0 52.8 155.0 93.0 > 9o, - loo' 97.3 58.4 178.4 107.4 89.7 53.8 1579 94.7 > 100' - 120' 100.5 60.3 184.2 110.5 92.5 55.5 163.0 97.8 > 120' - 140' 103.2 61.9 189.2 113.5 95.1 57.1 1674 100.4 > 140' - 160' 105.6 63.4 193.6 116.2 97.3 58.4 171.3 102.8 1078 . 4:7� 197.E 1 �18. 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' - 3D0' 1178 70.1 216.0 129.E 108.5 65.1 191.1 114.7 > 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' - 450' 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 1F 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.). INDICATED DESIGN WIND PRESSURES CORRESPOND TO THE MAXIMUM END ZONE AND INTERIOR ZONE CONDITIONS AND FOR ALL ROOF SLOPES. ** L = STORM PANEL LENGTH, ACCORDION SHUTTER BLADE LENGTH OR BAHAMA SHUTTER HEIGHT. ak** PRODUCTS WHICH BEAR A MIAMI-DADS COUNTY OR A STATE OF FLORIDA APPROVAL RE'V#IEWER) F O a CODE COMPLUANae STo C�C O 80c FILE C®PY 2020 (7th EDITION) FLORIDA BUILDING CODE - BROWARD, PALM BEACH, MARTIN, ST. LUCIE & INDIAN RIVER COUNTIES 02020 TILTECO, INC MLIE C 0 IN__c_. TILLIT TESTING & ENGINEERING COMPANY SJ55 N.W. J6th. St. Ste. 305, VIRGINA WDENS, R. 3J169 Phone: (JEJ871-15J0 . Fax: (JO5)571-1531 CA-0006719 WALTER A. 77LLIT Jr. P.E. FLORIDA Lic. f 44167 ASCE 7-16 / WIND PRESSURE CHART STORM PANELS, ACCORDION & BAHAMA SHUTTERS RISK CAT. If BLDGS WIND PRESSURE CHART BASIC WIND SPEED = 170 mph EXPOSURE A Kd = 0.85 DESCR1PNON OLD 17-794 DMUMON M.P DRAWN BY 0612312020 DATE 20-117 DRAWING No SHEET 1 OF 1