Product Technical Guide Supplement for Seismic Bracing per NFPA July 2021

Anchorage for seismic bracing technical supplement
23
July 2021
Maximum allowable pipe horizontal load, F
pw
(lb)
Hilti KCM-WF and KCM-PD in 4,000 psi normal weight cracked concrete
1,2
Anchor size
Nominal
rod
diameter
Anchor
rod
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 °-74° 75°-90° 30°-44° 45°-59° 60 °-74° 75°-90°
Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 4.10 0 1.580 0.870 1.850 1.520 2.320 2.900 3.440 3.710 2.620 2.140 1.920
3/8 - 1/2
1/2 Gr.36 4-1/4 5 5 174 360 513 323 295 274 246 207 161 228 279 312
1/2 Gr.105 4-1/4 5 5 174 367 528 329 304 279 246 207 164 232 285 317
3/8 - 1/2 - 5/8 1/2
(1)
Gr.105 5 6-1/4 5 244 514 74 0 461 425 390 344 290 230 326 399 444
3/8 - 1/2 - 5/8 - 3/4 1/2
(1)
Gr.105 6-1/2 9 5 425 853 1190 770 684 658 614 518 384 544 666 742
Anchor size
Nominal
rod
diameter
Anchor
rod
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 °-74° 75°-90° 30°-44° 45°-59° 60 °-74° 75°-90°
Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 2.490 1.080 0.950 1.360 1.650 1.400 1.830 2.220 2.710 1.920 1.570 1.400
1/4 - 3/8
3/8 Gr.36 3 3-1/ 2 5 147 255 274 223 158 219 211 183 112 158 193 216
3/8 Gr.105 3 3-1/ 2 5 150 266 287 231 165 227 215 183 116 164 200 224
3/8 - 1/2
1/2 Gr.36 4-1/4 5 5 260 455 489 396 282 389 373 321 199 281 343 384
1/2 Gr.105 4-1/4 5 5 264 468 503 405 290 398 378 321 203 287 351 393
3/8 - 1/2 - 5/8
1/2
(1)
Gr.105 5 6-1/4 5 370 655 705 568 406 557 529 450 285 402 492 551
5/8 Gr.36 5 6 -1/4 5 370 655 705 568 406 557 529 450 285 402 492 551
5/8 Gr.105 5 6-1/4 5 370 655 705 568 406 557 529 450 285 402 492 551
3/8 - 1/2 - 5/8 - 3/4
1/2
(1)
Gr.105 6-1/2 9 5 626 1066 113 9 935 657 919 904 802 469 662 810 906
5/8
(1)
Gr.105 10-1/4 9 5 696 1286 1395 1101 804 1078 973 802 552 779 953 1067
3/4 Gr.36 16-1/2 9 5 641 1110 1190 969 686 952 922 802 486 686 839 939
3/4 Gr.105 16 -1/2 9 5 715 1469 1613 1232 929 1204 973 802 618 872 1067 1195
Anchor size
Nominal
rod
diameter
Anchor
rod
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 °-74° 75°-90° 30°-44° 45°-59° 60 °-74° 75°-90°
Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 2.930 1.290 0.750 0.960 1.310 1.670 1.970 2.250 1.920 1.360 1.110 0.990
1/4 - 3/8
3/8 Gr.36 3 3-1/ 2 5 130 230 309 273 178 195 199 181 136 193 236 264
3/8 Gr.105 3 3-1/ 2 5 132 239 325 285 187 201 203 181 143 201 247 276
3/8 - 1/2
1/2 Gr.36 4-1/4 5 5 229 410 553 487 318 347 352 317 243 344 421 471
1/2 Gr.105 4-1/4 5 5 232 419 570 500 328 354 356 317 250 353 433 484
3/8 - 1/2 - 5/8
1/2
(1)
Gr.105 5 6-1/4 5 326 587 799 701 459 495 499 444 350 495 606 678
5/8 Gr.36 5 6-1/4 5 326 587 799 701 459 495 499 444 350 495 606 678
5/8 Gr.105 5 6-1/4 5 326 587 799 701 459 495 499 444 350 495 606 678
3/8 - 1/2 - 5/8 - 3/4
1/2
(1)
Gr.105 6-1/2 9 5 554 965 1275 1133 734 823 853 791 567 801 981 1097
5/8
(1)
Gr.105 10-1/4 9 5 608 1142 1605 1386 922 949 904 791 693 979 119 9 1342
3/4 Gr.36 16-1/2 9 5 566 1001 1339 1184 770 849 869 791 592 836 1024 1146
3/4 Gr.105 16 -1/2 9 5 608 1283 1899 1601 1090 1045 904 791 800 113 0 1385 1550
Anchor size
Nominal
rod
diameter
Anchor
rod
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 2.520 1.070 1.380 1.620 1.420 2.250 2.750 1.940 1.590
3/8 - 1/2
1/2 Gr.36 4-1/4 5 5 258 458 393 285 386 316 197 279 341
1/2 Gr.105 4 -1/4 5 5 262 470 402 293 394 317 201 285 348
3/8 - 1/2 - 5/8 1/2
(1)
Gr.105 5 6-1/4 5 366 658 563 410 552 444 282 399 488
3/8 - 1/2 - 5/8 - 3/4 1/2
(1)
Gr.105 6 -1/2 9 5 620 1071 927 663 911 767 464 658 804
Anchor size
Nominal
rod
diameter
Anchor
rod
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 0.960 1.970 2.380 2.960 1.930 1.360 1.110
3/8 - 1/2
1/2 Gr.36 4-1/4 5 5 171 306 487 255 269 241 243 344 421
1/2 Gr.105 4 -1/4 5 5 171 311 500 262 273 241 249 353 433
3/8 - 1/2 - 5/8
1/2
(1)
Gr.105 5 6-1/4 5 239 436 701 367 383 337 349 495 606
5/8 Gr.36 5 6-1/4 5 239 436 701 367 383 337 349 495 606
5/8 Gr.105 5 6-1/4 5 239 436 701 367 383 337 349 495 606
3/8 - 1/2 - 5/8 - 3/4
1/2
(1)
Gr.105 6 -1/2 9 5 419 730 1133 598 646 602 565 801 981
5/8
(1)
Gr.105 10 -1/4 9 5 427 828 1386 718 722 602 691 979 119 9
3/4 Gr.36 16-1/ 2 9 5 426 751 1184 622 662 602 590 836 1024
3/4 Gr.105 16-1/2 9 5 427 890 1601 816 748 602 797 1130 1385
Anchor size
Nominal
rod
diameter
Anchor
rod
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Afcon™ AF700 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 2.550 1.090 0.910 1.410 1.450 2.000 1.830 1.290 1.060
3/8 - 1/2
1/2 Gr.36 4-1/4 5 5 256 453 501 306 381 348 250 354 432
1/2 Gr.105 4 -1/4 5 5 259 465 515 316 389 352 257 364 444
3/8 - 1/2 - 5/8
1/2
(1)
Gr.105 5 6-1/4 5 363 651 722 442 545 492 360 510 622
5/8 Gr.36 5 6-1/4 5 363 651 722 442 545 492 360 510 622
5/8 Gr.105 5 6-1/4 5 363 651 722 442 545 492 360 510 622
3/8 - 1/2 - 5/8 - 3/4
1/2
(1)
Gr.105 6 -1/2 9 5 615 1060 1164 709 900 843 581 822 1004
5/8
(1)
Gr.105 10 -1/4 9 5 682 1278 1433 884 1052 890 714 1012 1234
3/4 Gr.36 16-1/ 2 9 5 629 1104 1217 743 931 859 607 860 1049
3/4 Gr.105 16-1/2 9 5 698 1459 1663 1037 1171 890 828 1174 1431
1 Only ASTM A193 Grade B7, ASTM A325, or ASTM F1554 Grade 105 threaded rod is permitted with smaller interior thread diameter. A36 threaded rod (or stronger) can be used with largest thread diameter per insert.
2 Refer to Figure 3 for flat slab concrete installation.