RETRO-FIT/COMMERCIAL SERIES
Step 2
: You will need a 4” diameter core drilling bit.
•
Make sure you have accurately marked your hole location to be drilled. After drilling
Your holes they must be 6” deep and flat on the bottom of the hole (shown above). Clean
Out the debris and make the holes are free from concrete. Double check your measurements
they should be: Front holes 8” from centerline from hole to hole (see above).
The measurement from front to back should be 15” from Centerline of each hole (see above)
8”
15”
15”
Feb 2012
