p r o d u c t s
VELOCITY PRESSURES AT THE ROOF EDGE (psf) TABLE 3
Exposure B
| |
Maximum Wind Speed |
|
Building Height |
70
mph |
80
mph |
90
mph |
100
mph |
110
mph |
120
mph |
130
mph | |
|
0 - 20 ft
> 20 - 40 ft
> 40 - 60 ft
|
Use Exposure "C" |
|
> 60 - 80 ft |
13 |
17 |
21 |
26 |
32 |
38 |
45 |
|
> 80 - 100 ft |
14 |
18 |
23 |
29 |
35 |
42 |
49 |
|
> 100 - 120 ft |
15 |
19 |
25 |
30 |
37 |
44 |
52 |
|
> 120 - 140 ft |
16 |
20 |
26 |
32 |
39 |
46 |
54 |
|
> 140 - 160 ft |
17 |
21 |
27 |
33 |
40 |
48 |
56 |
|
> 160 -1 80 ft |
18 |
22 |
28 |
35 |
42 |
50 |
59 |
|
> 180 - 200 ft |
19 |
23 |
29 |
36 |
43 |
52 |
61 | |
Exposure C
| |
Maximum Wind Speed |
|
Building Height |
70
mph |
80
mph |
90
mph |
100
mph |
110
mph |
120
mph |
130
mph | |
|
> 0 - 20 ft |
14 |
18 |
23 |
29 |
35 |
41 |
49 |
|
> 20 - 40 ft |
16 |
21 |
27 |
33 |
40 |
48 |
56 |
|
> 40 - 60 ft |
18 |
23 |
30 |
37 |
44 |
53 |
62 |
|
> 60 - 80 ft |
19 |
25 |
32 |
39 |
47 |
56 |
66 |
|
> 80 - 100 ft |
20 |
26 |
33 |
41 |
50 |
59 |
69 |
|
> 100 - 120 ft |
21 |
27 |
35 |
43 |
52 |
61 |
72 |
|
> 120 - 140 ft |
22 |
28 |
36 |
44 |
54 |
64 |
75 |
|
> 140 - 160 ft |
22 |
29 |
37 |
46 |
55 |
66 |
77 |
|
> 160 -1 80 ft |
23 |
30 |
38 |
47 |
57 |
67 |
79 |
|
> 180 - 200 ft |
23 |
31 |
39 |
48 |
58 |
69 |
80 | |
Exposure D
| |
Maximum Wind Speed |
|
Building Height |
70
mph |
80
mph |
90
mph |
100
mph |
110
mph |
120
mph |
130
mph | |
|
0 - 20 ft
> 20 - 40 ft
> 40 - 60 ft
|
Use Exposure "C" |
|
> 60 - 80 ft |
23 |
30 |
37 |
46 |
56 |
66 |
78 |
|
> 80 - 100 ft |
23 |
31 |
39 |
48 |
58 |
69 |
81 |
|
> 100 - 120 ft |
24 |
31 |
40 |
49 |
59 |
71 |
83 |
|
> 120 - 140 ft |
25 |
32 |
41 |
50 |
61 |
72 |
85 |
|
> 140 - 160 ft |
25 |
33 |
42 |
52 |
62 |
74 |
87 |
|
> 160 -1 80 ft |
26 |
34 |
42 |
52 |
63 |
76 |
89 |
|
> 180 - 200 ft |
27 |
34 |
43 |
54 |
65 |
77 |
90 | |
| 
