![](/images/new-backgrounds/1223061/223061693x1.webp)
Installing earthquake bracing Page 347 of 456
—Flat washer, internal diameter = 0.812”, outside diameter = 1.469”, thickness = 0.120”, steel material, zinc plate finish
•Kit B (NT8D64CF) contains four of the following items:
—Hilti HSL M16/25, box of 10, manufacturer part # 665934 (Hilti Corporation (918)
Finally, to aid installation, four kits have been developed. The seismic anchor hole template kit (NT8D64BH) provides a mylar template to aid floor marking. Only one kit is needed for an installation and this kit is reusable.
Drilling concrete floors
The following tools are required to drill the holes for the anchor bolts.
•dark marking pencil
•
•rotary hammer drill
•
—25.4 mm (1 in.) diameter for Kit A, NT8D64BE
—24.0 mm (15/16 in.) diameter for Kit B, NT8D64CE
•blowout bulb or compressed air source
•hammer or mallet
•vacuum
DANGER
Wear safety goggles when drilling anchor holes. For all drilling, use the appropriate tools and follow local codes. Make sure to obey all safety and warning precautions provided by the hammer drill and anchor bolt manufacturers.
Communication Server 1000M and Meridian 1 Large System Installation and Commissioning