Select the abutments, piers and temporary supports that are erected during this event.

Item	Description
Piers to be erected	List all of the abutment, pier, and temporary support locations. Locations with black text have not been assigned to an event. Locations with gray text are assigned to a different event and can be moved into this event.
Piers erected during this activity	List of the abutments, piers, and temporary supports that are erected during this activity.
[>] and [<]	Move piers between the two lists