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4.3.1 Project timelines and deliverables

In the above timetable a two-month timetable has run 50% (one month) beyond estimates. This is because a timetable is usually written down with insufficient thought and care. A time table has no real control factors other than dates .

The project manager must be able to answer two complementary questions at any time in a project:

Q1. Where should we be on the plan now?

Q2. Where exactly are we on the plan now?

A timetable only tells where we should be because until we finish we don't know exactly where we are other than getting there (and usually later than estimated!).

Other tools may be used. While it is not our purpose here to cover them in depth, we will briefly detail some for your reference. Most will be studied in detail as decision making tools covered in the next chapter.

A common tool, for instance, is the Bar Charts or Gantt Chart. These provide a visual representation of a plan. It is easy to interpret and is sometimes referred to as a wall chart. However, Gantt Charts do not permit critical path network analysis: that is, defining critical points and charting options. However, Gantt Charts can easily depict the interdependent relationships between component tasks and times. These are now very common with computer software and simple tools available for workplace supervisors and others to use.

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