90
Section 2 Installation
10′
9′-10″
8″
8″
9′-
9″
30°
45°
Figure 4-21. How offset angles affect the shrink amount.
Direction of installation
Start Finish
Since the bend will
need to finish here,
shrink must be
considered
Since the bend will
start here, shrink
does not have to be
considered
Figure 4-22. If the offset is to occur before the obstruction, shrink will affect the location of the bend. When the
offset occurs after the obstruction, shrink will not affect the location of the bend.