53
load Chart 12: Wind speed vs.
Pressure (Chart 1 of 2)
W
all
loads (psf) -
end Zone (Zone 5) for 100sf to 500 sf effective wind area
Mean Roof
Height (ft)
90 MPH
100 MPH
110 MPH
120 MPH
exp B
exp C
exp
d
exp B
exp C
exp
d
exp B
exp C
exp
d
exp B
exp C
exp
d
15
-15.1
-18.3
-22.2
-18.7
-22.6
-27.5
-22.6
-27.3
-33.2
-26.9
-32.5
-39.5
20
-15.1
-19.5
-23.4
-18.7
-24.1
-29.0
-22.6
-29.2
-35.0
-26.9
-34.7
-41.7
25
-15.1
-20.4
-24.3
-18.7
-25.2
-30.1
-22.6
-30.5
-36.4
-26.9
-36.3
-43.3
30
-15.1
-21.1
-25.1
-18.7
-26.2
-31.0
-22.6
-31.6
-37.5
-26.9
-37.7
-44.7
35
-15.9
-21.9
-25.7
-19.6
-27.1
-31.8
-23.7
-32.8
-38.4
-28.2
-39.0
-45.7
40
-16.5
-22.5
-26.3
-20.4
-27.9
-32.5
-24.6
-33.7
-39.3
-29.3
-40.1
-46.8
45
-16.9
-23.1
-26.9
-20.9
-28.6
-33.3
-25.3
-34.6
-40.2
-30.1
-41.2
-47.9
50
-17.5
-23.6
-27.3
-21.7
-29.2
-33.8
-26.2
-35.3
-40.9
-31.2
-42.0
-48.7
55
-18.0
-24.0
-27.8
-22.3
-29.7
-34.4
-26.9
-35.9
-41.6
-32.0
-42.8
-49.5
60
-18.4
-24.5
-28.2
-22.8
-30.3
-35.0
-27.6
-36.6
-42.3
-32.8
-43.6
-50.3
net
design wind pressure
-15.1
-18.7
-22.6
-26.9
More infor
mation on this char
t can be found in T
echnical Bulletin #15 (www
.pbssips.com).
Summary of Contents for Floors
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