Up the Creek Column - 7
9. We used a plumb bob to mark the ceiling above the
sub-roadbed edge and used an ultrasonic stud finder to
locate the ceiling joists.
10. We notched the spline to accommodate some con-
duit and installed a beveled 2x4 cleat to secure a loose
end of the spline. Murphy law was in action; there was
no ceiling joist close by.
9
10
Plumb bob marks
Joist locations found
with stud finder
2 x 4 beveled cleat
Glue-laminated beam
MRH-Jul 2014