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Page 356 of 458 Installing earthquake bracing
NN43021-310 Standard 02.02 October 2008
3 Install bracing rods:
Position each rod in one of the vertical slots along the sides of the
modules and insert the rods into the threaded holes in the pedestal
(see Figure 121 on page 357). Tighten the rods in by hand or snug
tight with a 12.7 mm (1/2 in.) open-end wrench.
Place a tie bar over each pair of rods, from side to side across the top
of the module, as shown in Figure 121 on page 357.
Secure the tie bars with flat washers and hexagon nuts. Torque with
14.3 mm (9/16 in.) wrench to 17.6 J (13.0 ft-lbs).
Note: When installing expansion rods as part of the NT8D64BD bracing
kit, the rods are screwed into the previously-installed rods by means of a
coupling nut. The resulting two-piece rod should be secured in the same
manner as the single rod described above.