Technical Specifications

P. 7
Clear
Joist Span
(ft�)
11-7/8” 14” 16”
Live load Total load Live load Total load Live load Total load
Defl� L/480 Defl� L/240 Defl� L/480 Defl� L/240 Defl� L/480 Defl� L/240
6 359 393 393
7 309 338 338
8 271 297 297
9 241 264 264
10 218 238 238
11 198 217 217
12 182 199 199
13 168 184 184
14 156 171 171
15 146 160 160
16 137 150 150
17 119 129 141 141
18 101 122 133 133
19 86 115 125 126 126
20 74 110 108 120 120
21 64 104 93 114 114
22 56 100 81 109 109
23 49 95 71 104 97 104
24 43 86 63 100 85 100
25 38 76 56 96 76 96
26 34 68 50 92 67 92
27 30 60 44 85 60 89
28 27 54 40 79 54 86
29 49 36 72 49 83
30 44 32 65 44 80
31 40 29 59 40 76
32 36 27 53 36 71
33 33 49 33 66
34 30 45 30 61
Clear
Joist Span
(ft�)
18” 20” 22” 24”
Live load Total load Live load Total load Live load Total load Live load Total load
Defl� L/480 Defl� L/240 Defl� L/480 Defl� L/240 Defl� L/480 Defl� L/240 Defl� L/480 Defl� L/240
12 263 263 263 263
13 243 243 243 243
14 225 225 225 225
15 210 210 210 210
16 197 197 197 197
17 185 185 185 185
18 175 175 175 175
19 166 166 166 166
20 158 158 158 158
21 150 150 150 150
22 143 143 143 143
23 137 137 137 137
24 121 132 132 132 132
25 107 126 126 126 126
26 95 121 120 121 121 121
27 85 117 108 117 117 117
28 76 112 96 112 112 112
29 69 105 87 108 107 108 108
30 62 98 78 105 97 105 105
31 56 92 71 101 88 101 101
32 51 86 65 95 80 98 97 98
33 47 81 59 89 73 95 88 95
34 43 76 54 84 67 92 81 92
35 39 72 49 80 61 87 74 90
36 36 68 45 75 56 82 68 87
37 33 64 42 71 52 78 63 85
38 30 61 39 67 48 74 58 80
TABLE 5
–
LDF = 1.0
P3 Floor Joist — PJI 80 with Web Stiffeners
Allowable Uniform Loads (PLF)
Allowable Floor Uniform Load Capacities (continued)
TABLE 4
–
LDF = 1.0
P3 Floor Joist — PJI 80
Allowable Uniform Loads (PLF)