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HomeMy WebLinkAboutWind Load Calculation RAMMS ENGINEERING, INC.
2100 W 76 ST. #311, HIALEAH, FLORIDA, 33016 FLORIDA BUILDIG CO E10
Robert S. Monsour, P.E. FI # 11955/0006024 ASCE 7-10 WI D C?Af 2,: 2020
DESIGN WIND LOADS (LBS/SQFT) Kd = .8
FOR 170 MPH WIND ZONE ST. Lucie Coun , Permitting
Interior& Exterior.Zones (4&5 -Walls) Positive Pressures -
Exposure D For the 170 mph Wind Zone. CATEGORY 2 BLDG.
Effective:Wind Area (or, Tributay Area) in Square Feet ,
Height C110 20 30 .40 50 . 60
Maximum 1.00 0.95 0.92 0.89 0.88 0.86
15 1 46.1 44.0 42.8 41.9 41.3 X40.7
4�. - 46.1 4.9 44.0 43!, \ 42\7
50.1 47.9 46.5 45.6 �44\k\/; \40 L
30 51.9 49.6 48.2 47.2 �i46.5 \ 45'.9
40 54.6 52.1 50.7 4 9.7 \\`48..9 x'48.2
50 . 56.8 54.3 1 52.8 51.7 50.2
60- 58.6 56.0 54.4 !W:3\\\525 51.8
Interior Zone (4 -Walls) Negative Pressures \ -
Exposure D For the 170 mph Wnd Z,�p�ap, CATEGORY 2 BLDG.
Effective Wind Area ni, Trio. to Ar�ea) in.Square Feet
59.=Height 0 .20 0 \ 40 50 60
Maximum -1.10 -1.05 1.0 `� -'770.99 -0.98 -0.96
15 -50.0 -47.9 �\446.7\\ -45.8 -45.2 -44.6
-52.4 -50.2\ )hA ' -48.1 -47.4 -46.8
25 . -54.4 x-52.10 -49.8 -49.1 -48.5
hrR
. 30 -56.3 _ `54:4 '-,52.6 -51.6 -50.9 -50.3
40 -59.2 -55.3 -54.3 -53.5 -52.9
50. -61,6 \<-69�J v -57.6 -56.5 -55.7 -55.0
6.0X63.6\\ -ti0;9 -59.4 -58.3 -57.4 -56.8
rExposur
xterior Zones(51�War s,)FN" gative Pressures
1=othe 170 mph Wind Zone CATEGORY 2 BLDG.
Effective Wind Area(or, Tributary Area) in Square Feet;
H��ght\ \\ 10 20 30 40 50 60
I IGpVm '-1.40 -1.29 -1.23 -1.19 -1.15 -1.13
-61.7 -57.6 -55.1 -53.4 -52.1 -51.0
-64.7 -60.3 -57.8 -56.0 -54.6 -53.4
�rk -67.1 -62.6 -59.9 -58.1 -56.6 -55.4
30 -69.5 -64.8 -62.1 -60.1 -58.6 -57.4
4.0 -73.1 -68.2 -65.3 -63.2 -61.7 -60.4
50 -76.1 -71.0 -68.0 -65.8 -64.2 -62.8
60 -78.5 -73.2 -70.1 -67.9 -66.2 -64.8
NOTE:AN 8% REDUCTION OF THE LOADS SHOWN ABOVE MAY BE TAKEN FOR FLAT ROOFS.
Length of End Zone (a): 10% of least horizontal dimension or .4 h, whichever is smaller,
but not less than 4% of least horizontal dimension or 3 ft. (h = mean_ roof height in feet).
'THESE TABLES ARE NOT TO BE REPRODUCED IN WHOLE OR IN PART 1
+WITHOUT WRI r MN PERMISSION BY RAMMS ENGINEERING.ALSO,THESE I
,TABLES ARE INVALID UNLESS SIGNED WITH BLUE INK AND SEALED BY
,ROBERT MONSOUR.