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Project and count down procedures RRS feed

  • General discussion

  • I need to create a project where the tasks go from -90 minutes to finish at 0 minutes

    I can get the project to work in the positive numbers but not the negatives.

    Is there a resource that can help me learn how to create a count down project.

    i.e. fuel engines to launch.

    Thank you

    Richard

    Wednesday, February 27, 2013 2:59 PM

All replies

  • Richard,

    Although you can enter negative values into the Start and Finish fields while in manual scheduling mode in Project 2010, you cannot enter negative values into the Duration field. Why not simply set "zero" hour as the start of fueling such that 90 minutes is the launch?

    Another approach is to set the launch time (positive value time of day) and then use a start-to-finish dependency for the fueling task. For example, let's say your launch is a milestone, (0 duration), set for 11:00 am with a task ID of 2 and the fueling task is 90 min duration with a task ID of 1. Set the Predecessor field of task 1 as 2SF. That will set the start of fueling at 9:30 am.

    Hope this helps.

    John

    Wednesday, February 27, 2013 3:40 PM