Product Technical Guide Supplement for Seismic Bracing per NFPA 13 April 2020

Anchorage for seismic bracing technical supplement
9
April 2020
Maximum allowable pipe horizontal load, F
pw
(lb)
Carbon steel Hilti KWIK Bolt TZ in 5,000 psi normal weight cracked concrete
Nominal
anchor dia.
Effective
embed.
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Hilti MQS-SP-L-1/2" and MQS-SP-T-1/2"
A B C D E F G H I
30°-44° 45°-59° 60 °-74° 75°-90° 30°-44° 45°-59° 60°-90° 30°-44° 45°-59° 60°-90°
Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 4.100 1.580 0.870 1.850 1.520 2.320 3.440 3.710 2.620 2.140
1/2
2 4 6 6 174 376 546 336 314 283 207 168 237 290
3-1/4 6-1/2 9-3/4 6 346 692 961 625 553 535 424 312 441 540
Nominal
anchor dia.
Effective
embed.
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Tolco™ Figure 909 seismic brace
A B C D E F G H I
30°-44° 45°-59° 60 °-74° 75°-90° 30°-44° 45°-59° 60°-90° 30°-44° 45°-59° 60°-90°
Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 2.626 1.002 0.870 1.230 1.513 1.487 2.226 2.460 1.74 0 1.420
3/8
1-1/2 8 8 6 144 286 311 251 179 221 176 125 177 217
2 3-1/2 6 6 219 390 417 351 240 316 284 176 248 304
2-3/4 3-1/ 2 8-1/4 6 273 452 477 414 275 378 364 207 292 358
1/2
2 4 6 6 257 503 546 444 314 392 320 222 314 384
3-1/4 6-1/2 9-3/4 6 489 896 961 803 554 718 630 401 567 695
5/8
3-1/ 8 8-1/2 9-3/8 6 509 1008 1095 886 631 780 625 443 626 767
4 8-1/4 12 6 677 1240 1330 1110 766 993 872 555 785 962
3/4
3-1/4 12-1/4 9-3/4 6 562 1220 1342 1055 773 915 663 527 746 913
3-3/4 12 11-1/4 6 690 1408 1538 1229 886 1074 822 614 869 1064
4-3/4 10 14-1/4 8 915 1742 1881 1546 1083 1372 1166 773 1093 1339
Nominal
anchor dia.
Effective
embed.
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Tolco™ Figure 910/980 seismic brace
A B C D E F G H I
30°-44° 45°-59° 60 °-74° 75°-90° 30°-44° 45°-59° 60°-90° 30°-44° 45°-59° 60°-90°
Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 3.275 1.156 0.910 1.739 1.461 1.850 2.895 3.478 2.459 2.008
3/8
1-1/2 8 8 6 120 261 303 197 183 189 135 99 140 171
2 3-1/2 6 6 186 363 408 288 244 277 230 144 203 249
2-3/4 3-1/ 2 8-1/4 6 236 425 469 348 278 337 299 174 246 302
1/2
2 4 6 6 215 462 532 351 321 336 246 176 248 304
3-1/4 6-1/2 9-3/4 6 414 831 941 651 563 625 503 325 460 563
5/8
3-1/ 8 8-1/2 9-3/8 6 425 922 1067 698 643 667 481 349 493 604
4 8-1/4 12 6 573 1149 1301 900 779 864 696 450 636 779
3/4
3-1/4 12-1/4 9-3/4 6 451 1103 1303 809 791 770 510 405 572 701
3-3/4 12 11-1/4 6 559 1282 1496 956 905 912 632 478 676 828
4-3/4 10 14-1/4 8 769 1605 1836 1236 110 3 1184 901 618 874 1070
Nominal
anchor dia.
Effective
embed.
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Afcon™ AF075/AF076/AF077 seismic brace
A B C D E F G H I
30°-44° 45°-59° 60°-90° 30°-44° 45°-59° 60°-90° 30°-44° 45°-59° 60°-90°
Pr Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 3.724 2.150 1.375 2.150 2.150 2.250 2.750 1.945 1.588
1/2
2 4 6 6 191 300 413 255 300 317 216 324 430
3-1/4 6-1/2 9-3/4 6 374 564 753 461 564 625 398 604 819
Nominal
anchor dia.
Effective
embed.
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Afcon™ AF771 seismic brace
A B C D E F G H I
30°-44° 45°-59° 60°-90° 30°-44° 45°-59° 60°-90° 30°-44° 45°-59° 60°-90°
Pr Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 4.170 2.000 0.964 1.966 2.385 2.964 1.929 1.364 1.113
1/2
2 4 6 6 171 317 515 270 277 240 273 415 564
3-1/4 6-1/2 9-3/4 6 342 593 914 485 525 492 490 756 1053
5/8
3-1/ 8 8-1/2 9-3/8 6 334 629 1032 539 549 470 545 827 1120
4 8-1/4 12 6 473 820 1265 670 726 680 677 1046 1456
3/4
3-1/4 12-1/4 9-3/4 6 354 723 1253 645 619 498 654 977 1291
3-3/4 12 11-1/4 6 491 811 1136 749 746 617 759 114 3 1531
4-3/4 10 14-1/4 8 693 1063 1443 937 985 880 947 1450 1992
5,000 psi
NWC
T
allow
T
allow
V
allow
Min. spacing
1.5 x Min.
edge distance
Min. conc.
thickness
Min. conc.
thickness
Min. edge
distance