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Boise Cascade Engineered Wood Products
Southern Engineered Wood Products Specifier Guide
BCI 60s Series Joists Roof Span Table
Southern Engineered Wood Products Specifier Guide
Southern EWP
Specifier Guide - 115% and 125%
BCI 60s Series Joists - 2 5/16" Flange Width
Maximum clear span in feet and inches, based on horizontal spans.
| Live Load/ Dead Load |
11 7/8" BCI 60s | 14" BCI 60s | 16" BCI 60s | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| PSF | Less than 4/12 |
4/12 to 8/12 |
8/12 to 12/12 |
Less than 4/12 |
4/12 to 8/12 |
8/12 to 12/12 |
Less than 4/12 |
4/12 to 8/12 |
8/12 to 12/12 |
||
| 12" O.C. |
Non- Snow (125%) |
20/10 | 32'-10" |
30'-11" |
28'-9" |
37'-4" |
35'-3" |
32'-8" |
41'-5" |
39'-1" |
36'-3" |
| 20/15 | 31'-1" |
29'-2" |
26'-11" |
35'-4" |
33'-2" |
30'-8" |
39'-3" |
36'-10" |
34'-0" |
||
| 20/20 | 29'-8" |
27'-9" |
25'-6" |
33'-9" |
31'-7" |
29'-0" |
37'-5" |
35'-0" |
32'-3" |
||
| Snow (115%) |
25/10 | 31'-2" |
29'-5" |
27'-5" |
35'-5" |
33'-6" |
31'-2" |
39'-4" |
37'-2" |
34'-7" |
|
| 25/15 | 29'-9" |
28'-0" |
25'-11" |
33'-10" |
31'-10" |
29'-6" |
37'-6" |
35'-4" |
32'-8" |
||
| 30/10 | 29'-9" |
28'-2" |
26'-4" |
33'-11" |
32'-1" |
29'-11" |
37'-7" |
35'-7" |
33'-3" |
||
| 30/15 | 28'-7" |
26'-11" |
25'-0" |
32'-6" |
30'-8" |
28'-6" |
36'-1" |
34'-0" |
31'-7" |
||
| 40/10 | 27'-1" |
26'-0" |
24'-6" |
30'-10" |
29'-7" |
27'-11" |
34'-3" |
32'-10" |
31'-0" |
||
| 40/15 | 26'-8" |
25'-3" |
23'-6" |
30'-4" |
28'-9" |
26'-9" |
33'-8" |
31'-11" |
29'-8" |
||
| 50/10 | 25'-1" |
24'-1" |
22'-10" |
28'-7" |
27'-5" |
26'-0" |
31'-8" |
30'-5" |
28'-10" |
||
| 50/15 | 25'-1" |
23'-11" |
22'-4" |
28'-7" |
27'-3" |
25'-5" |
31'-8" |
30'-2" |
28'-3" |
||
| 16" O.C. |
Non- Snow (125%) |
20/10 | 29'-9" |
28'-1" |
26'-0" |
33'-10" |
31'-11" |
29'-8" |
37'-6" |
35'-5" |
32'-10" |
| 20/15 | 28'-2" |
26'-5" |
24'-5" |
32'-1" |
30'-1" |
27'-9" |
35'-7" |
33'-5" |
30'-10" |
||
| 20/20 | 26'-10" |
25'-2" |
23'-1" |
30'-7" |
28'-7" |
26'-4" |
33'-11" |
31'-9" |
29'-2" |
||
| Snow (115%) |
25/10 | 28'-3" |
26'-8" |
24'-10" |
32'-2" |
30'-5" |
28'-3" |
35'-8" |
33'-8" |
31'-4" |
|
| 25/15 | 26'-11" |
25'-4" |
23'-6" |
30'-8" |
28'-10" |
26'-9" |
34'-0" |
32'-0" |
29'-8" |
||
| 30/10 | 27'-0" |
25'-7" |
23'-10" |
30'-8" |
29'-1" |
27'-2" |
34'-1" |
32'-3" |
30'-1" |
||
| 30/15 | 25'-10" |
24'-5" |
22'-8" |
29'-5" |
27'-9" |
25'-10" |
32'-8" |
30'-10" |
28'-7" |
||
| 40/10 | 24'-7" |
23'-7" |
22'-3" |
27'-11" |
26'-10" |
25'-4" |
31'-0" |
29'-9" |
28'-1" |
||
| 40/15 | 24'-2" |
22'-10" |
21'-4" |
27'-6" |
26'-0" |
24'-3" |
30'-6" |
28'-11" |
26'-11" |
||
| 50/10 | 22'-9" |
21'-10" |
20'-8" |
25'-6" |
24'-10" |
23'-7" |
28'-8" |
27'-6" |
26'-2" |
||
| 50/15 | 22'-7" |
21'-8" |
20'-3" |
23'-5" |
22'-8" |
21'-7" |
27'-2" |
26'-4" |
25'-1" |
||
| 19.2" O.C. |
Non- Snow (125%) |
20/10 | 27'-11" |
26'-4" |
24'-6" |
31'-10" |
30'-0" |
27'-10" |
35'-3" |
33'-3" |
30'-11" |
| 20/15 | 26'-5" |
24'-10" |
22'-11" |
30'-1" |
28'-3" |
26'-1" |
33'-5" |
31'-4" |
29'-0" |
||
| 20/20 | 25'-3" |
23'-7" |
21'-9" |
28'-8" |
26'-11" |
24'-9" |
31'-10" |
29'-10" |
27'-5" |
||
| Snow (115%) |
25/10 | 26'-6" |
25'-1" |
23'-4" |
30'-2" |
28'-6" |
26'-7" |
33'-6" |
31'-8" |
29'-6" |
|
| 25/15 | 25'-3" |
23'-10" |
22'-1" |
28'-9" |
27'-1" |
25'-1" |
31'-11" |
30'-1" |
27'-10" |
||
| 30/10 | 25'-4" |
24'-0" |
22'-5" |
28'-10" |
27'-4" |
25'-6" |
32'-0" |
30'-4" |
28'-3" |
||
| 30/15 | 24'-3" |
22'-11" |
21'-3" |
27'-8" |
26'-1" |
24'-3" |
30'-8" |
28'-11" |
26'-11" |
||
| 40/10 | 23'-0" |
22'-1" |
20'-11" |
25'-6" |
24'-9" |
23'-9" |
29'-1" |
27'-11" |
26'-5" |
||
| 40/15 | 22'-2" |
21'-4" |
20'-0" |
23'-0" |
22'-1" |
20'-11" |
26'-9" |
25'-8" |
24'-4" |
||
| 50/10 | 20'-5" |
19'-11" |
19'-3" |
21'-2" |
20'-8" |
20'-0" |
24'-7" |
24'-0" |
23'-2" |
||
| 50/15 | 18'-9" |
18'-1" |
17'-3" |
19'-5" |
18'-10" |
17'-11" |
22'-7" |
21'-10" |
20'-10" |
||
| 24" O.C. |
Non- Snow (125%) |
20/10 | 25'-10" |
24'-5" |
22'-8" |
29'-5" |
27'-9" |
25'-10" |
32'-8" |
30'-10" |
28'-7" |
| 20/15 | 24'-6" |
23'-0" |
21'-3" |
27'-10" |
26'-2" |
24'-2" |
30'-11" |
29'-1" |
26'-10" |
||
| 20/20 | 23'-4" |
21'-10" |
20'-1" |
26'-7" |
24'-11" |
22'-11" |
29'-6" |
27'-7" |
25'-5" |
||
| Snow (115%) |
25/10 | 24'-7" |
23'-3" |
21'-7" |
27'-11" |
26'-5" |
24'-7" |
31'-0" |
29'-4" |
27'-4" |
|
| 25/15 | 23'-5" |
22'-1" |
20'-5" |
25'-3" |
23'-11" |
22'-3" |
29'-3" |
27'-9" |
25'-10" |
||
| 30/10 | 23'-5" |
22'-3" |
20'-9" |
25'-5" |
24'-6" |
23'-3" |
29'-6" |
28'-1" |
26'-2" |
||
| 30/15 | 21'-7" |
20'-7" |
19'-3" |
22'-5" |
21'-4" |
20'-0" |
26'-0" |
24'-10" |
23'-3" |
||
| 40/10 | 19'-7" |
19'-0" |
18'-3" |
20'-3" |
19'-8" |
18'-11" |
23'-7" |
22'-10" |
21'-11" |
||
| 40/15 | 17'-8" |
17'-0" |
16'-1" |
18'-4" |
17'-7" |
16'-8" |
21'-3" |
20'-5" |
19'-4" |
||
| 50/10 | 16'-3" |
15'-10" |
15'-4" |
16'-10" |
16'-5" |
15'-10" |
19'-7" |
19'-1" |
18'-5" |
||
| 50/15 | 14'-11" |
14'-5" |
13'-9" |
15'-5" |
14'-11" |
14'-3" |
18'-0" |
17'-4" |
16'-7" |
||