While building our tall towers we hit a confusing block.
In one drawing the PVC is aligned as:
Code:
: :
: : : :
: :
whereas another one is:
. .
: : : :
' '
--- will edit later with a picture ---
basically, top one is 4 seperate pvc tubes for each tower (16 total), second is a central 4 tubes with two outer tubes for each (