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5.8.3. The 1-1/2” square x 42-5/8” long closure posts, barrier attachment plates, picketed
guard closure spacer, and closure brackets are all installed at a guarded turn back in the
same manner shown in the ‘PICKETED GUARD CLOSURE’ section (refer to 5.5.3 through
5.5.10 for assembling these components). FIG. 5.30 shows the components installed.