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Allowable Load Tables Allowable Roof Loads (plf -1.15 Load Duration Factor <br /> Table1 -24F-1.7E (V4) Southern Pine Glued Laminated Timber <br /> 3-1/2"Width 5-1/2"Width <br /> Clear Depth(in.) Depth(in.) <br /> Opening <br /> 9-1/4 1 9-112 1 11-1/4 11-7/8 1 14 1 16 1 18 19-114 11-114 11-718 1 14 1 16 1 18 19-1/4 20-5/8 22 23-3/8 <br /> TL 1940 2012 2551 2763 --- --- --- --- 3204 3470 4489 5645 --- --- --- --- --- <br /> 6' LL 1940 2012 2551 2763 --- --- --- --- 3204 3470 4489 5645 --- --- --- <br /> BL 3.0 3.0 4.5 4.5 --- --- --- --- 3.0 3.0 4.5 4.5 --- --- --- <br /> TL 1337 1382 1715 1842 2308 2803 --- --- 2153 2312 2898 3520 4225 4717 5309 5964 --- <br /> 8' LL 1337 1382 1715 1842 2308 2803 --- --- 2153 2312 2898 3520 4225 4717 5309 5964 --- <br /> BL 3.0 3.0 3.0 3.0 4.5 6.0 --- --- 3.0 3.0 3.0 4.5 4.5 6.0 6.0 7.5 --- <br /> TL 883 930 1290 1380 1703 2035 2399 2645 1619 1732 2137 2554 3011 3320 3682 4071 4489 <br /> 10' LL 834 901 1290 1380 1703 2035 2399 2645 1619 1732 2137 2554 3011 3320 3682 4071 4489 <br /> BL 3.0 3.0 3.0 3.0 4.5 4.5 6.0 6.0 3.0 3.0 3.0 4.5 4.5 4.5 6.0 6.0 6.0 <br /> TL 617 650 905 1005 1348 1596 1862 2039 1296 1383 1691 2002 2336 2558 2815 3086 3373 <br /> 12' LL 489 529 867 1005 1348 1596 1862 2039 1296 1383 1691 2002 2336 2558 2815 3086 3373 <br /> BL 1.5 3.0 3.0 3.0 4.5 4.5 4.5 6.0 3.0 3.0 3.0 4.5 4.5 4.5 4.5 6.0 6.0 <br /> TL 407 441 668 743 1024 1312 1521 1658 1049 1150 1397 1645 1907 2079 2277 2483 2699 <br /> 14' LL 311 337 553 648 1024 1312 1521 1658 869 1019 1397 1645 1907 2079 2277 2483 2699 <br /> BL 1.5 1.5 3.0 3.0 3.0 4.5 4.5 6.0 3.0 3.0 3.0 3.0 4.5 4.5 4.5 4.5 6.0 <br /> TL 272 295 488 570 788 1022 1285 1396 767 895 1190 1395 1610 1750 1910 2076 2248 <br /> 16' LL 210 227 374 438 709 1022 1285 1396 587 688 1117 1395 1610 1750 1910 2076 2248 <br /> BL 1.5 1.5 3.0 3.0 3.0 4.5 4.5 4.5 3.0 3.0 3.0 3.0 4.5 4.5 4.5 4.5 6.0 <br /> TL 189 205 343 403 623 811 1021 1163 538 633 976 1210 1392 1510 1644 1782 1924 <br /> 18' LL 148 160 264 310 502 743 1021 1163 415 487 790 1171 1392 1510 1644 1782 1924 <br /> BL 1.5 1.5 1.5 1.5 3.0 3.0 4.5 4.5 1.5 1.5 3.0 3.0 4.5 4.5 4.5 4.5 4.5 <br /> TL 136 148 248 293 479 658 829 944 390 460 753 1018 1225 1327 1442 1560 1681 <br /> 20' LL 108 117 194 227 369 546 770 936 304 357 580 858 1214 1327 1442 1560 1681 <br /> BL 1.5 1.5 1.5 1.5 3.0 3.0 4.5 4.5 1.5 1.5 3.0 3.0 4.5 4.5 4.5 4.5 4.5 <br /> TL 100 109 185 218 359 536 684 778 290 343 565 836 1050 1183 1283 1386 1492 <br /> 22' LL 81 88 146 171 279 412 583 709 229 269 438 648 917 1117 1283 1386 1492 <br /> BL 1.5 1.5 1.5 1.5 3.0 3.0 3.0 4.5 1.5 1.5 3.0 3.0 3.0 4.5 4.5 4.5 4.5 <br /> TL --- --- 140 166 275 412 572 651 220 261 432 648 878 1000 1143 1247 1340 <br /> 24' LL --- --- 113 132 216 320 452 550 177 208 339 502 710 865 1059 1247 1340 <br /> B1. --- --- 1.5 1.5 1.5 3.0 3.0 4.5 1.5 1.5 1.5 3.0 3.0 3.0 4.5 4.5 4.5 <br /> TL --- --- 108 129 214 323 460 552 170 202 337 507 723 847 969 1097 1216 <br /> 26' LL --- --- 89 104 170 253 357 435 139 164 267 397 561 684 838 1012 1211 <br /> BL --- --- 1.5 1.5 1.5 3.0 3.0 3.0 1.5 1.5 1.5 3.0 3.0 3.0 4.5 4.5 4.5 <br /> TL --- --- 85 101 170 256 367 450 --- 159 267 403 577 706 831 942 1059 <br /> 28' LL --- --- 71 84 137 203 287 350 --- 131 215 319 451 550 674 815 973 <br /> BL --- --- 1.5 1.5 1.5 1.5 3.0 3.0 --- 1.5 1.5 1.5 3.0 3.0 3.0 4.5 4.5 <br /> TL --- --- --- --- 136 206 297 364 --- --- 214 324 466 572 704 816 918 <br /> 30' LL --- --- 111 165 234 286 --- --- 175 260 368 449 550 665 795 <br /> BL --- --- --- --- 1.5 1.5 3.0 3.0 --- --- 1.5 1.5 3.0 3.0 3.0 4.5 4.5 <br /> TL --- --- --- --- 110 168 242 298 --- --- 173 264 381 468 578 703 802 <br /> 32' LL --- --- --- --- 92 137 194 236 --- --- 144 215 304 371 455 550 657 <br /> BL --- --- --- --- 1.5 1.5 3.0 3.0 --- --- 1.5 1.5 3.0 3.0 3.0 3.0 4.5 <br /> TL --- --- --- --- 90 138 200 246 --- --- 141 217 314 387 479 583 701 <br /> 34' LL --- --- --- --- 77 114 162 197 --- --- 120 179 254 310 380 460 550 <br /> BL --- --- --- --- 1.5 1.5 1.5 3.0 --- --- 1.5 1.5 1.5 3.0 3.0 3.0 3.0 <br /> TL --- --- --- 114 166 205 --- --- --- 179 261 322 400 488 587 <br /> 36' LL --- --- --- --- --- 96 137 167 --- --- --- 151 215 262 321 389 465 <br /> BL --- --- --- --- --- 1.5 1.5 1.5 --- --- --- 1.5 1.5 1.5 3.0 3.0 3.0 <br /> TL --- --- --- --- 95 139 172 --- --- --- 149 219 271 336 411 496 <br /> 38' LL --- --- --- --- 82 116 142 --- --- --- 129 183 223 274 331 396 <br /> BL --- --- --- --- --- 1.5 1.5 1.5 1 --- --- --- 1.5 1.5 1.5 3.0 3.0 3.0 <br /> (See Requirements for Use on page 23,Key and Example on page 29,and Notes on page 29 and this page) <br /> Notes for Table 30:Allowable Roof Loads(plf)-1.15 Load Duration Factor <br /> • For practicality,allowable roof loads are omitted from the table when they exceed 3,000 and 6,000 pounds per lineal foot(plf)for the 3-1/2"and 5-1/2"-wide <br /> beams,respectively,and when a glued laminated timber's span-to-depth ratio exceeds 30. <br /> • To determine allowable roof loads for 3-and 3-1/8"-wide glued laminated timber beams,multiply tabulated total loads(TL)and live loads(LL)for 3-1/2"-wide <br /> beams by 0.857 and 0.893,respectively.Then check the required bearing length(BL). <br /> • To determine allowable roof loads for 5-and 5-1/8"-wide glued laminated timber beams,multiply the TL and LL values for 5-1/2"wide beams by 0.909 or <br /> 0.932,respectively.'Then check the required bearing length(BL). <br /> NEWic7 <br /> Southern Forest Products Association SOUTHERN PINE HEADERS&BEAMS �1`f1 DESIGN <br /> SouthemPine.com Copyright m 2013.Southam Forest Products Association.All rights reserved. 2013 Edition J 1 VALUES <br />