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

Anchorage for seismic bracing technical supplement
13
April 2020
3,000 psi
NWC
Maximum allowable pipe horizontal load, F
pw
(lb)
Hilti KCS-WF in 3,000 psi normal weight cracked concrete with Grade A36 threaded rod (or stronger)
Nominal
anchor
internal 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 1.63 5-3/4 5 6 151 319 459 286 264 242 180 143 202 247
Nominal
anchor
internal 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 1.11 4 3-1/2 6 124 239 258 211 149 187 156 106 149 183
1/2 1.63 5-3/4 5 6 220 424 459 375 264 332 278 188 265 325
5/8 1.90 6-1/2 5-3/4 6 276 532 576 471 332 417 349 236 333 408
3/4 1.83 6 5-1/ 2 6 260 501 542 444 312 393 329 222 314 384
Nominal
anchor
internal 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 1.11 4 3-1/2 6 104 219 252 168 151 161 120 84 119 145
1/2 1.63 5-3/4 5 6 185 390 448 299 269 286 214 149 211 259
5/8 1.90 6-1/2 5-3/4 6 232 489 562 375 338 359 268 187 265 325
3/4 1.83 6 5-1/ 2 6 218 461 529 353 318 338 253 176 250 306
Nominal
anchor
internal 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 1.63 5-3/4 5 6 166 256 350 215 256 275 184 276 368
Nominal
anchor
internal 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 1.63 5-3/4 5 6 148 270 434 228 237 209 230 351 481
5/8 1.90 6-1/2 5-3/4 6 186 339 544 286 298 262 289 441 603
3/4 1.83 6 5-1/ 2 6 176 319 513 269 280 247 272 416 568
T
allow
T
allow
V
allow
Min. spacing
1.5 x Min.
edge distance
Min. conc.
thickness
Min. conc.
thickness
Min. edge
distance