Microsoft Office Tutorials and References
In Depth Information
Figure 1-2:
This
schedule
includes
tasks with
timing but
no
dependencies.
Here are some examples of dependencies:
You can’t begin to use a new piece of equipment until you install it.
You must wait for a freshly poured concrete foundation to dry before
you can begin to build on it.
You can’t start to ship a new drug product until the FDA approves it.
Figure 1-3 shows a project plan where each task’s duration and the
dependencies among tasks have been established, and the resulting overall timing of
the project.
One other brief note about the timing of tasks: In addition to applying
dependencies to tasks, you can apply constraints. For example, say that you don’t
want to start shipping your new cake flavor until you get the ad for it in your
Christmas catalog, so you set a dependency between those two events. You
can also set a constraint which says that you must start producing the cakes
no later than November 3. In this case, if you don’t make the catalog deadline,
the product will still ship on November 3; that task will not be allowed to slip
its constraint because of this dependency relationship.
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