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5.5.3. Locate the appropriate barrier attachment plate. If the upper end of the ramp or ramp
run terminates at a platform, use the “up sloping” version of the plate. If the lower end of
a ramp or ramp run starts at a platform, use the “down sloping” version. Note the
orientation of the larger 3/8” diameter hole with respect to the 1-1/2” x 2” section of the
plate as shown (refer back to FIG. 5.3) to identify which barrier attachment plate is
needed.
5.5.4. Fasten the barrier attachment plate to the lowermost hole in the 1-1/2” square x 42-5/8”
long closure post and lower rail of the Picketed Guard Closure using a 5/16”-18 x 3” long
hex bolt and 5/16” flat washer with the guard closure spacer between the barrier
attachment plate and the closure post.
5.5.4.1. Orient the closure post with the two holes which are the closest together on
top. If the uppermost hole in the closure post does not align with the
uppermost hole in the 2” x 2” angle post, the closure post is upside down.
Make sure the leg of the attachment plate with the two smaller holes is
captured under the upper hook and in contact with the ramp side rail. Move
the ramp or platform slightly if needed and clamp the attachment plate to
the side rail if possible before drilling (FIG. 5.14).
5.5.5. Attach the upper rail of the Picketed Guard Closure to the closure post using a 5/16″-18 x
2-1/4″ hex bolt and 5/16” flat washer though the second hole from the top of the closure
post (FIG. 5.14).
5.5.6. Drill holes in the ramp side rail and attach the barrier attachment plate to the side rail in
the same manner described earlier (
SECTIONS
5.3.5 and 5.3.6 and shown in FIG. 5.5).
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