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V:\Projects\_Master Plan Sheet Store\Windows-Doors-Shutters\400 Wind Charts\_Reference\2017 Windload Charts References\2017_b FBC WIND CHART.dwg01/11/2018 - 1:16pm intern1
CO
PYRIG
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GIN
EERIN
G EX
PRES
S©
1
FRAN
K L. B
ENN
ARD
O, P.E.
PE0046549N.T.S
.
ASCE 7-10
1. TABLES ARE TO BE USED IN CONFORMANCE WITH "ALLOWABLE STRESS DESIGN METHODOLOGY" PER ASCE 7-10SECTION 2.4.1 AND CHAPTER 30 PART 1 OR 3, USING THE CRITERIA AS OUTLINED HEREIN.
2. DESIGN IS BASED ON THE 3 SECOND GUST (WIND VELOCITY) FOR THE WIND VELOCITY & EXPOSURE SPECIFIED.'WORST CASE' CRITICAL CONDITIONS SHALL BE ASSUMED FOR SAFE PRESSURE RATINGS.
2.1. ASCE 7-10 RISK CATEGORY IS INDEPENDENT OF THIS RATING. FIND CATEGORY TO MATCH OR BE LESSTHAN THE RATED LIMITING WIND VELOCITY ABOVE.
3. TOPOGRAPHIC FACTOR Kzt=1.0 FOR FLAT TERRAIN USE ONLY. NO HILLS SHALL BE NEARBY AREA.4. INTERNAL PRESSURE COEFFICIENT (GCpi=+/-0.18) FOR USE WITH AN ENCLOSED STRUCTURE ONLY.5. VERIFY USE OF Kd (DIRECTIONALITY FACTOR) WITH LOCAL BUILDING DEPARTMENT.
HVHZ = HIGH VELOCITY HURRICANE ZONE.6. TABLES ARE FOR WALLS AND VERTICAL SURFACES ONLY.7. THIS DOCUMENT IS A MASTER PLAN SHEET, NOT A SITE-SPECIFIC DOCUMENT.8. THIS DOCUMENT IS ONLY VALID WITH AN ORIGINAL SIGNATURE & RAISED SEALED
OR DIGITALLY SEALED WITH CORRESPONDING LIMITATIONS.9. THIS DOCUMENT ILLUSTRATES ALLOWABLE DESIGN WIND PRESSURES (ASD) AS LISTED. APPLICATION OF THESE
TABLES AND CORRESPONDING WIND VELOCITY, EXPOSURE, & OTHER COEFFICIENTS LISTED HEREIN SHALL BEDICTATED AND VERIFIED BY THE GOVERNING BUILDING DEPARTMENT AND PERMIT HOLDER. NO WARRANTY FORAPPLICABILITY OF THE USE OF THESE TABLES IS OFFERED HEREIN.10. THIS SPECIFICATION DOES NOT OFFER ANY PRODUCT APPROVED CERTIFICATION. REFER TO ANY SEPARATELY
SUBMITTED TEST CRITERIA AND OTHER APPROVALS FOR DESIGN & INSTALLATION INFORMATION AND APPLICABILITYOF THESE TABLE VALUES WHICH IS TO BE VERIFIED BY OTHERS IN ACCORDANCE WITH GOVERNING CODES.11. ADHERE TO ALL LOCAL IMPACT PROTECTION SYSTEM ORDINANCES.12. NO CERTIFICATION IS OFFERED FOR THE INTEGRITY OF THE HOST STRUCTURE.13. EXCEPT AS EXPRESSLY PROVIDED HEREIN, NO ADDITIONAL CERTIFICATIONS OR AFFIRMATIONS ARE INTENDED.
1. IDENTIFY THE ZONE OF THE OPENING AS INTERIOR (ZONE 4) OR EXTERIOR (ZONE 5) PER THEFIGURE BELOW LEFT OR INFORMATION PROVIDED TO YOU BY OTHERS.
1.1. ANY QUESTIONABLE OPENING IS TO BE CONSIDERED THE MORE CRITICAL (EXTERIOR) ZONE5.
2. IDENTIFY THE BUILDING MEAN (AVERAGE) ROOF HEIGHT FROM THE LOWEST GROUND ELEVATION. IFTHE MEAN ROOF HEIGHT CANNOT BE IDENTIFIED, USE THE PEAK (HIGHEST) ROOF HEIGHT.
2.1. ALWAYS ROUND UP ROOF HEIGHTS TO NEXT TABLE VALUE.2.2. VALID FOR ALL ROOF SLOPES. FOR SLOPES <10°, SEE AN ENGINEER FOR REDUCTIONS.
3. CALCULATE THE TRIBUTARY AREA OF THE OPENING IN QUESTION AS THE GREATER OF (HEIGHT *WIDTH) OR THE SPAN LENGTH (HEIGHT) * AN EFFECTIVE WIDTH OF 1/3 THE HEIGHT (HEIGHT ² / 3).
3.1. USE THE AREA BETWEEN STRUCTURAL OPENINGS ONLY- THIS INCLUDES AREAS BETWEENSTRUCTURAL MULLS, COLUMNS, ETC.
3.2. IF THE TRIBUTARY AREA OF AN OPENING CANNOT BE IDENTIFIED, THE SMALLEST(10 SQUARE FEET) SHALL BE USED.
3.3. ALWAYS ROUND TRIBUTARY AREA DOWN TO THE SMALLER TABLE VALUE. FOR LARGERTRIBUTARY AREAS THAN PUBLISHED, USE THE LARGEST PUBLISHED VALUE.
4. READ OFF POSITIVE AND NEGATIVE PRESSURES FOR USE AS REQUIRED BY THE LOCAL MUNICIPALITYIN ACCORDANCE WITH CODE.5. FOR SITUATIONS THAT REQUIRE Kd=1.0, TABLE VALUES ARE UNDER-DESIGNED BY A FACTOR OF
1.18. VERIFY Kd REQUIREMENTS WITH LOCAL MUNICIPALITY PRIOR TO TABLE USE.
6th EDITION FLORIDA BUILDING CODE (2017) ASCE 7-10'ASD' DESIGN PRESSURES FOR COMPONENTS AND CLADDING
GENERAL NOTES:
INSTRUCTIONS FOR TABLE USE:
EAVEROOF
HEIGHT
aa
5
55
5
ISOMETRIC
PEAK ROOFHEIGHT
MEANROOFHEIGHT
5 4 5
a a
INTERIOR ZONE 4 , EXTERIOR ZONE 5 , ROOF HEIGHT EXPLAINEDa= 10% OF LEAST HORIZONTAL DIMENSION OR 40% OF MEAN ROOFHEIGHT, WHICHEVER IS SMALLER, BUT NOT LESS THAN 4% OF LEASTHORIZONTAL DIMENSION OR 3FT. USE ZONE 5 IF AT ALL IN QUESTION.CONSULT AN ENGINEER FOR A MORE SPECIFIC INTERPRETATION IFREQUIRED.
44
00-MPS
17-416
MRH = MEAN ROOF HEIGHT(SEE BELOW)
MEANROOFHEIGHT
ELEVATION
DIG
ITAL &
SEA
LIN
FORM
ATIO
N O
NLY
11
aa
LEAST HORIZONTALDIMENSION
55
5 4
54
55COMPLEXCORNERS
PLAN VIEW
(BO
X N
OT TO
BE U
SED
FOR
SITE S
PECIFIC
AD
DRES
S)
WIND VELOCITY = 180 MPHEXPOSURE 'C'
MRH ≤ 60'BASED ON Kd = 0.85
INTERIOR ZONE 4 PRESSURES EXTERIOR ZONE 5 PRESSURES ENCLOSED STRUCTURE, FLAT TERRAIN
MeanRoof
Height
DESIGN PRESSURES (PSF) - ZONE 4 MeanRoof
Height
DESIGN PRESSURES (PSF) - ZONE 5Area of Opening (Sq Ft) Area of Opening (Sq Ft)
10 20 30 40 50 10 20 30 40 50
0 – 15 ft-46.0 -44.1 -42.9 -42.1 -41.5
0 – 15 ft-56.7 -52.9 -50.7 -49.1 -47.9
+42.4 +40.5 +39.3 +38.6 +37.9 +42.4 +40.5 +39.3 +38.6 +37.9
18 ft-47.8 -45.8 -44.6 -43.8 -43.2
18 ft-59.0 -55.0 -52.7 -51.0 -49.7
+44.0 +42.0 +40.9 +40.1 +39.4 +44.0 +42.0 +40.9 +40.1 +39.4
20 ft-48.8 -46.8 -45.6 -44.8 -44.1
20 ft-60.3 -56.2 -53.8 -52.2 -50.9
+45.0 +43.0 +41.8 +41.0 +40.3 +45.0 +43.0 +41.8 +41.0 +40.3
25 ft-51.2 -49.1 -47.8 -46.9 -46.2
25 ft-63.2 -58.9 -56.4 -54.7 -53.3
+47.2 +45.1 +43.8 +42.9 +42.2 +47.2 +45.1 +43.8 +42.9 +42.2
30 ft-53.2 -51.0 -49.7 -48.8 -48.1
30 ft-65.7 -61.2 -58.6 -56.8 -55.4
+49.0 +46.8 +45.5 +44.6 +43.9 +49.0 +46.8 +45.5 +44.6 +43.9
35 ft-54.9 -52.7 -51.3 -50.4 -49.6
35 ft-67.8 -63.3 -60.6 -58.7 -57.2
+50.6 +48.4 +47.0 +46.1 +45.3 +50.6 +48.4 +47.0 +46.1 +45.3
40 ft-56.5 -54.2 -52.8 -51.8 -51.1
40 ft-69.7 -65.1 -62.3 -60.4 -58.9
+52.1 +49.7 +48.4 +47.4 +46.6 +52.1 +49.7 +48.4 +47.4 +46.6
45 ft-57.9 -55.5 -54.1 -53.1 -52.3
45 ft-71.5 -66.7 -63.9 -61.9 -60.3
+53.4 +51.0 +49.6 +48.6 +47.8 +53.4 +51.0 +49.6 +48.6 +47.8
50 ft-59.2 -56.8 -55.3 -54.3 -53.5
50 ft-73.1 -68.2 -65.3 -63.3 -61.7
+54.6 +52.1 +50.7 +49.7 +48.9 +54.6 +52.1 +50.7 +49.7 +48.9
55 ft-60.4 -57.9 -56.4 -55.4 -54.6
55 ft-74.6 -69.6 -66.6 -64.5 -62.9
+55.7 +53.2 +51.7 +50.7 +49.9 +55.7 +53.2 +51.7 +50.7 +49.9
60 ft-61.5 -59.0 -57.5 -56.4 -55.6
60 ft-76.0 -70.9 -67.9 -65.7 -64.1
+56.7 +54.2 +52.7 +51.6 +50.8 +56.7 +54.2 +52.7 +51.6 +50.8
1
24
3
1
24
3
22
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10°, SEE AN SEE AN, S, S, SPES <S. FOR S FORS FORF SLOPES. FORPES. FORVALID FOR ALL ROO ES SES. FORPENING IN QUESTIOPENING IN QUESTIY AREA OF THE OPENOF THE OPF THOF THE OF THE ALCULATE THE TRIBUTARY AREA OF THE OPENING IN QUESQUESQUEQQUEQQQQQ THE OPENING IN QUESQFFECTIVE WIDTH FFECTIVE WIDTHFFFFEFFHT) * AN E* AN E* AN E* AN E* AN EEEDTH) OR THE SPAN LENGTH (HEIGHT) * ATH) OR THE SPAN LENGTH (HEIGHT) A FFEFFFFA
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99.9.993.9.9-57.2-57.2-57.257 2-57.257 257 257.22+45.3+45.3+45.3+45 3+45 3+45.3+45.3+45.3333++45.3.3+45.31-58.588 98 98.98.98 98.98.98.98.98.9558860.4+46.666666+47.4+4744+47+47+47+47+4-60.33.9 -61.99 -61.9
+49.6 +48.6 +47.8+48.6 +42 -65.3 -63.3 -61.7-63.3 -61.7
+52.1 +50.7 +49.7 +48.949.7 +48.9-69.6 -66.6 -64.5 -62.94.5 -62.9
5.7 +53.2 +51.7 +50.7 +49.95.7 +53.2 +51.7 +50.7 +-76.0 -70.9 -67.9 -65.7 -64.176.0 -70.9 -67.9 -65.7 -64+56.7 +54.2 +52.7 +51.6 +50.87 +54.2 +52.7 +51.6 +50.
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