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

Anchorage for seismic bracing technical supplement
7
April 2020
Maximum allowable pipe horizontal load, F
pw
(lb)
Carbon steel Hilti KWIK Bolt TZ in 3,000 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 6 135 291 423 260 243 220 161 130 184 225
3-1/4 6-1/2 9-3/4 6 275 585 844 524 485 443 328 261 370 453
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 6 113 229 250 200 144 175 136 100 142 173
2 3-1/2 6 6 181 342 369 304 212 270 231 152 215 263
2-3/4 3-1/ 2 8-1/4 6 230 404 431 365 248 330 301 183 258 316
1/2
2 4 6 6 199 390 423 344 244 303 248 172 243 298
3-1/4 6-1/2 9-3/4 6 403 780 844 689 486 610 507 345 487 597
5/8
3-1/ 8 8-1/2 9-3/8 6 411 857 939 745 541 649 484 372 526 645
4 8-1/4 12 6 557 1079 1167 953 672 843 701 477 674 826
3/4
3-1/4 12-1/4 9-3/4 6 436 1016 1126 870 648 748 514 435 615 753
3-3/4 12 11-1/4 6 540 1186 1306 1023 752 886 637 512 724 886
4-3/4 10 14-1/4 8 748 1499 1632 1314 940 1153 908 657 929 113 8
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 93 209 243 156 147 149 105 78 111 135
2 3-1/2 6 6 152 315 360 244 216 234 180 122 172 211
2-3/4 3-1/ 2 8-1/4 6 197 377 422 301 252 290 244 151 213 261
1/2
2 4 6 6 167 358 412 272 248 260 191 136 192 236
3-1/4 6-1/2 9-3/4 6 338 716 823 548 495 524 390 274 387 474
5/8
3-1/ 8 8-1/2 9-3/8 6 329 778 913 576 553 549 373 288 407 499
4 8-1/4 12 6 467 991 1139 758 685 725 540 379 536 656
3/4
3-1/4 12-1/4 9-3/4 6 349 912 1091 658 665 618 395 329 465 570
3-3/4 12 11-1/4 6 433 1071 1268 784 770 745 490 392 554 679
4-3/4 10 14-1/4 8 617 1369 1589 1030 959 983 698 515 728 892
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 6 148 233 320 197 233 245 167 251 333
3-1/4 6-1/2 9-3/4 6 303 470 642 396 470 502 337 505 673
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 6 132 246 399 209 215 186 211 322 437
3-1/4 6-1/2 9-3/4 6 271 495 797 418 434 381 423 645 881
5/8
3-1/ 8 8-1/2 9-3/8 6 259 516 879 455 447 364 461 691 920
4 8-1/4 12 6 374 685 1103 578 601 527 585 893 1219
3/4
3-1/4 12-1/4 9-3/4 6 274 572 1046 534 480 386 542 802 1028
3-3/4 12 11-1/4 6 381 659 941 627 594 478 635 947 1248
4-3/4 10 14-1/4 8 543 877 1218 800 808 682 810 1225 1651
3,000 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