Enter Details in the Predecessor Field

You can create dependencies by specifying relationship details in the Predecessor field on the Schedule tab.

This method allows you to quickly create one or more dependency relationships for your plan's work breakdown structure (WBS) elements. The Predecessor field on the left grid section of the Schedule tab displays any predecessor(s) for the element and if there is lag or lead time for each relationship. If the plan is checked out, you can edit this field by clicking in the field and entering a value. You can use this field to add, edit, and delete relationships, including lead and lag time between levels. You can also remove dependencies and lag or lead time by deleting the appropriate entries directly in the Predecessor cell.

Video: See related video below

To create a dependency relationship on the Gantt chart:

  1. In the Navigation pane, select Hubs > Projects > Plan.
  2. Click the Schedule tab.
  3. On the Actions bar, click Check Out.
  4. To specify the level(s) that the selected WBS element will depend on, type the following in the Predecessor field: the predecessor element (indicated by the row value listed in the first column at the far left of the grid1), the relationship type, and any lag or lead time.
    The following table shows how to enter this information for different relationship types:
    The relationship type you want to add is: And the lag or lead you want to add is: Type this to specify the predecessor, relationship, and lag/lead time:
    Finish-to-Start (FS)

    There is no need to type FS for this relationship; it will display automatically in the field.

    None <row number>
    Lag <row number>+<lag days>
    Lead <row number>-<lead days>
    Finish-to-Finish (FF) None <row number>FF
    Lag <row number>FF +<lag days>
    Lead <row number>FF -<lead days>
    Start-to-Start (SS) None <row number>SS
    Lag <row number>SS +<lag days>
    Lead <row number>SS -<lead days>
    Start-to-Finish (SF) None <row number>SF
    Lag <row number>SF +<lag days>
    Lead <row number>SF -<lead days>
    To add more than one dependency, type each dependency and separate them by commas. You do not need to type the word days; however, you can enter extended lag or lead values by typing weeks, months, or years after the number and Vantagepoint will convert the value to the number of working days.
    • 1 week converts to 5 working days
    • 1 month converts to 30 working days
    • 1 year converts to 365 working days
    For example, if in the Predecessor field for row 1.5 you enter 1.1, 1.2+2, 1.3SS-1, 1.4SF-3weeks, the predecessors are as follows:
    • Row 1.5 has a finish-to-start relationship with row 1.1 with no lag.
    • Row 1.5 has a finish-to-start relationship with row 1.2 with 2 days lag.
    • Row 1.5 has a start-to-start relationship with row 1.3 with 1 day lead.
    • Row 1.5 has a start-to-finish relationship with row 1.4 with 15 days lag.
  5. Press the ENTER key after typing the value.

    If you try to create a relationship that would cause a circular dependency with existing relationships, the Circular Dependency Not Allowed dialog box displays where you can review a list of the relationships that caused the problem. Review the predecessor, successor, and relationship type for all relationships and remove or modify them as needed. For more details, see Circular Dependency Not Allowed Dialog Box.

    Yellow connector lines for each relationship display on the Gantt chart, linking each predecessor to the successor(s). If you change the dates for any predecessor elements, all successors change accordingly.

Video

Title Description

Create Schedule Dependencies

This video shows you the different methods for creating schedule dependencies on the Schedule tab of Project Planning. These methods allow you to identify predecessors and successors, select relationship types, and add lag/lead time for dependencies.

1 The values in the row column identify the plan structure level for the corresponding row as follows:
  • The project level (WBS 1) is numbered 1.
  • The phase level (WBS 2) is numbered 1.x where x is a sequential number (starting with 1) for each consecutive WBS 2.
  • The task level (WBS 3) is numbered 1.x.y where y is a sequential number (starting with 1) for each consecutive WBS 3.
  • The labor code level is numbered 1.x.y.z where z is a sequential number (starting with 1) for each consecutive labor code.