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4.7.6. Install 5/16”-18 x 1” long hex bolts through a 5/16” flat washer for the top rail, midrail,
and angle post (do not use a flat washer on the lowermost holes). Tighten all fasteners
securely (FIG. 4.12).
4.8. CONVERT TWO-LINE PLATFORM RAILS TO PICKETED GUARDS
4.8.1. To convert a two-line rail to a picketed guard in the field, leave the top rail in place but
loosen the attachment bolts on both sides and remove the barrier and midrail.
4.8.2. Install the picketed guard panel in the same manner described in ‘ASSEMBLE PLATFORM
TWO-LINE RAILS AND PICKETED GUARDS’ section.
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