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  Boise Cascade Engineered Wood Products   Southern Engineered Wood Products Specifier Guide  

BCI 45s Series Joist Roof PLF Table

   

Southern Engineered Wood Products Specifier Guide

Southern EWP Specifier Guide - 115% and 125%
BCI 45s Series Joist - 1 3/4" Flange Width

  • Use of these tables should be limited to roof slopes of 3 1/2" per foot or less.

To view this table, please scroll to the left and right.

  Allowable Uniform Roof Load
In pounds per lineal foot (PLF)
9 1/2" BCI 45s 11 7/8" BCI 45s 14" BCI 45s 16" BCI 45s
Span
(ft.)		 Total Load Defl. Total Load Defl. Total Load Defl. Total Load Defl.
Snow
(115%)		 Non-snow
(125%)		 L/240 Snow
(115%)		 Non-Snow
(125%)		 L/240 Snow
(115%)		 Non-Snow
(125%)		 L/240 Snow
(115%)		 Non-Snow
(125%)		 L/240

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

272
233
204
182
163
149
136
126
117
109
102
95
80
69
59
51
45
39
35
31
27
25
22
20
18
16
15

296
254
222
197
178
161
148
137
127
118
111
95
80
69
59
51
45
39
35
31
27
25
22
20
18
16
15

-
-
-
-
-
-
-
-
124
102
85
71
60
52
44
39
34
30
26
23
21
18
17
15
13
12
11

324
278
243
216
194
177
162
149
139
130
121
114
108
102
93
85
76
66
59
52
46
42
37
34
30
28
25

352
302
264
235
211
192
176
162
151
141
132
124
117
111
100
86
76
66
59
52
46
42
37
34
30
28
25

-
-
-
-
-
-
-
-
-
-
-
119
101
87
75
65
57
50
44
39
35
31
28
25
23
21
19

336
288
252
224
201
183
168
155
144
134
126
118
112
106
101
96
92
86
79
73
68
61
55
49
45
41
37

365
313
274
243
219
199
182
168
156
146
137
129
122
115
109
104
99
94
86
76
68
61
55
49
45
41
37

-
-
-
-
-
-
-
-
-
-
-
-
-
-
109
94
83
73
64
57
51
46
41
37
33
30
28

389
333
291
259
233
212
194
179
167
155
146
137
130
123
117
111
106
101
93
86
79
74
69
64
60
55
50

422
362
317
282
253
230
211
195
181
169
158
149
141
133
127
121
115
110
101
93
86
80
74
67
61
55
50

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
112
98
87
77
69
62
56
50
45
41
38

ROOF SPAN TABLE NOTES

  • Total Load values are limited by shear, moment, or deflection equal to L/180.
  • Deflection values are limited by deflection equal to L/240. Check the local building code for other deflection limits that may apply.
  • Where a Deflection value is not shown, the Total Load value will control.
  • Slope roof joists at least 1/4" over 12" to minimize ponding.
  • Table values represent the most restrictive of simple or multiple span applications.
  • This table was designed to apply to a broad range of applications. It may be possible to exceed the limitations of this table by analyzing a specific application with the BC Calc software.



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