Documenting the Values in Each Node
The boxes you created in the preceding paragraph are part of the standard format for the nodes in a precedence diagram. The activity name, WBS number, and activity duration are placed in the middle of the box. Four other values are placed in the corners of the box. These four values are:
The first image is an activity node before it has been completed.
The second is an activity node after it has been completed. The activity for this node is Pour Cement; its WBS number is 12; and its duration is two days. The ES is day 23 of the project; the EF is day 25; the LS is day 24; and the LF is day 26.