Secondary framing – Metal Sales Secondary Framing User Manual
Page 45
PSF-45
Secondary Framing
© Metal Sales Manufacturing Corporation/ Subject to change without notice/ Effective Date 9/11
800.406.7387 (Corporate Office) • www.metalsales.us.com
a
lloWable
u
niform
l
oads
in
P
ounds
Per
l
inear
f
ooT
Load TaBLeS For STandard ZeeS
(Symmetrical Flanges Only)
3'-6" Lap
Flange
Web
Flange
Max Lap
Notes:
1. Tabulated values are allowable superimposed loads. Purlin and all other load weights have not been subtracted from them.
2. Allowable loads have been calculated in accordance with 2001 AISI Specifications.
3. Bearing must be checked using actual bearing length and loads.
4. Wind loads can be obtained by multiplying tabulated values by 1.33.
5. Tabulated values are valid only if the compression flange of the section is adequately supported laterally.
Span in
Feet
Section
Max Lap - 2 Spans
Z-
10" x 3"
Stress
Controlling, plf
12 Ga
14 Ga
12 Ga
14 Ga
Defl. (L/180)
Controlling, plf
18 205
435 260
520
Max Lap - 3 Spans
Stress
Controlling, plf
Defl. (L/180)
Controlling, plf
12 Ga
14 Ga
12 Ga
14 Ga
20 168
345 213
420
22 140
242 176
350
24 117
228 150
290
25 106
208 138
265
26 100
190 127
245
28 86 162 108
205
32
148
188
20
401 514
Span in
Feet
Section
Stress
Controlling, plf
12 Ga
Defl. (L/180)
Controlling, plf
22
328 419
24
273
348
25
250
319
26
231
293
28
197
250
30
170
216
Max Lap - 2 Spans
Max Lap - 3 Spans
Stress
Controlling, plf
12 Ga
Defl. (L/180)
Controlling, plf
Z-
12" x 2
1
/
2
"