60
3.
Mark the centerline of the plywood pipe
mounting bracket.
4.
Align the centerline of the plywood bracket
with the mounting location previously marked
on the top of the pipe tunnel. Mark the loca-
tion of the pipe bracket mounting holes.
5.
Use a 1/8” bit to drill the pipe mounting
bracket mounting holes.
6.
Locate the two plywood pipe mounting doub-
lers with pre-installed blind nuts as shown.