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Can anyone recommend a "clean" way to set up these three tasks? Thanks!

Task A Task B Task C - Both Task A and Task B are predecessors of Task C as follows:

  • Task C to start when Task A finishes (FS)
  • Task C cannot finish before Task B finishes
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The predecessors for Task C are:

  • Task A Finish-to-Start
  • Task B Finish-to-Finish

If Task A is ID 1 and Task B is ID 2, the Predecessor field for Task C should be 1,2FF. Note that finish-to-start relationships are the default so the FS is not needed unless there is a lag (e.g. 1FS+2d would indicate start the task 2 days after task 1 finishes).

basic predecessor relationship

Update

Based on the comment below, what is desired is called a hammock task--a task whose start and finish dates are determined by other tasks.

This can be achieved by Paste Linking Task C's dates to the other tasks' dates.

  1. Set the date format to show times (File->Options->General).
  2. Copy the finish date from Task A (right-click, Copy Cell), select the start date for Task C and paste link (right-click Paste Special, Paste Link).
  3. Do the same to link the finish date of Task B to Task C.

The result is that both the start and finish of Task C are fixed:

hammock task For details, see How to Build a Hammock Task.

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  • Thanks Rachel. The problem I’m trying to solve is Task C should start on 5/21. So basically trying to adjust the duration based on the start and end dates. I don’t think it’s doable.... – user44907 May 20 at 9:10
  • I'm just seeing this -- thank you Rachel! I'll give it a try! – user44907 Jun 15 at 13:03

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