Page 360 of 456 Installing earthquake bracing
5Abandon the hole if you should hit a reinforcing bar or the hole breaks through. A minimum of two diagonally opposite anchors are required for this application.
6Remove any debris from the hole with a blowout bulb or compressed air. Use a vacuum cleaner to dispose of the debris.
7Insert the anchors into the holes. Use the manufacturer’s setting tool to install each anchor flush with the surface of the concrete. Use the Hilti HST 12.7 mm (1/2 in.) setting tool, manufacturer part # 000329805 or equivalent.
8Position each column over the anchors.
9Insert bolt, metal washer, and shoulder washer into the pedestal hole, as shown in the Figure 124 on page 361. On the far side of the pedestal flange, thread a plastic washer, a metal washer, and the nut onto the bolt. Insert the bolt into the concrete anchor.
10Tighten the nut to the pedestal flange and torque it to 34 J (25
11Repeat steps 8 to 11 for remaining bolts.
