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

Anchorage for seismic bracing technical supplement
11
April 2020
Maximum allowable pipe horizontal load, F
pw
(lb)
Carbon steel Hilti KWIK Bolt TZ in the soffit of 3,000 psi or 4,000 psi
lightweight concrete over metal deck — 3-in W-deck profiles
1
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"
3,000 psi 4,000 psi
A B C A B C
30°-44° 45°-59° 60 °-74° 75°-90° 30°-44° 45°-59° 60°-74° 75°-90°
Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 4.100 1.580 0.870 1.850 4.100 1.580 0.870 1.850
1/2
2 1 6 2-1/2 73 180 280 159 84 201 308 178
3-1/4 1 9-3/4 2-1/ 2 134 319 487 282 155 356 533 316
Nominal
anchor dia.
Effective
embed.
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Tolco™ Figure 909 seismic brace
3,000 psi 4,000 psi
A B C A B C
30°-44° 45°-59° 60 °-74° 75°-90° 30°-44° 45°-59° 60°-74° 75°-90°
Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 2.626 1.002 0.870 1.230 2.626 1.002 0.870 1.230
3/8
1-1/2 1 8 2-1/2 77 158 172 137 86 173 188 152
2 1 6 2-1/2 105 199 215 177 117 215 231 192
2-3/4 1 8-1/4 2-1/2 162 291 312 262 179 312 332 283
1/2
2 1 6 2-1/2 114 254 280 219 131 280 308 243
3-1/4 1 9-3/4 2-1/ 2 209 444 487 385 239 488 533 426
5/8
3-1/ 8 1 9-3/8 2-1/2 160 373 413 319 184 414 457 356
4 1 12 3-1/4 307 628 686 547 345 687 747 603
3/4
3-1/4 1 9-3/4 2-1/ 2 235 477 520 417 264 521 565 458
3-3/4 1 11-1/4 3 -1/4 253 550 605 475 292 606 664 527
Nominal
anchor dia.
Effective
embed.
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Tolco™ Figure 910/980 seismic brace
3,000 psi 4,000 psi
A B C A B C
30°-44° 45°-59° 60 °-74° 75°-90° 30°-44° 45°-59° 60°-74° 75°-90°
Pr Pr Pr Pr Pr Pr Pr Pr
in in in in in 3.275 1.156 0.910 1.739 3.275 1.156 0.910 1.739
3/8
1-1/2 1 8 2-1/2 62 143 168 107 72 158 183 119
2 1 6 2-1/2 88 184 210 141 99 199 226 156
2-3/4 1 8-1/4 2-1/2 138 271 305 214 153 292 326 234
1/2
2 1 6 2-1/2 91 229 271 167 105 254 299 187
3-1/4 1 9-3/4 2-1/ 2 168 402 473 297 194 444 518 331
5/8
3-1/ 8 1 9-3/8 2-1/2 128 335 400 241 148 373 443 272
4 1 12 3-1/4 248 571 667 426 286 628 728 474
3/4
3-1/4 1 9-3/4 2-1/ 2 192 434 506 325 221 477 551 362
3-3/4 1 11-1/4 3 -1/4 203 497 587 365 234 550 645 408
Nominal
anchor dia.
Effective
embed.
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Afcon™ AF075/AF076/AF077 seismic brace
3,000 psi 4,000 psi
A B C A B C
30°-44° 45°-59° 60°-90° 30°-44° 45°-59° 60°-90°
Pr Pr Pr Pr Pr Pr
in in in in in 3.724 2.150 1.375 3.724 2.150 1.375
1/2
2 1 6 2-1/2 80 139 201 93 158 224
3-1/4 1 9-3/4 2-1/ 2 147 250 355 170 281 394
Nominal
anchor dia.
Effective
embed.
Min. edge
distance
Min.
spacing
distance
Min.
concrete
thickness
Afcon™ AF771 seismic brace
3,000 psi 4,000 psi
A B C A B C
30°-44° 45°-59° 60°-90° 30°-44° 45°-59° 60°-90°
Pr Pr Pr Pr Pr Pr
in in in in in 4.170 2.000 0.964 4.170 2.000 0.964
1/2
2 1 6 2-1/2 72 149 261 83 167 288
3-1/4 1 9-3/4 2-1/ 2 132 265 455 152 298 500
5/8
3-1/ 8 1 9-3/8 2-1/2 101 210 384 116 242 426
4 1 12 3-1/4 195 382 643 225 427 703
3/4
3-1/4 1 9-3/4 2-1/ 2 151 292 488 174 326 533
3-3/4 1 11-1/4 3 -1/4 178 307 438 184 366 622
1 Anchor may be placed in upper or lower flute. Prying factors noted assume the seismic swivel brace has its full bearing area in contact with the metal deck.
3,000 psi or
4,000 psi
Lightweight over
metal deck
3-in W-deck
5/8" minimum
Min. 12" typical
Min. edge distance
3-7/8"
min.
3-7/8"
min.
3,000 psi minimum
lightweight concrete
Min.
concrete
thickness
3" max.