1.  In PipeView position the hydraulic system diagram so you can see the mainline that you want to work with (refer to Using PipeView).

2.  Click the mainline that you want to work with. The slide-out pane displays.

3.  Click Details in the lower-right. The mainline details display.

4.  Click Edit in the lower-right corner. The mainline details are available for editing.

5.  If necessary, click the Flow Management header to expand the section.

6.  In the Design Flow field, click the up or down arrow to set the design flow value in gallons per minute (GPM).

7.  Click Save in the lower-right corner.