The scheduling sequence

Going from an ideal activity plan to a costed schedule can be represented as a sequence of steps, rather like the classic waterfall life-cycle model. In the ideal world, we would start with the activity plan and use this as the basis for our risk assessment. The activity plan and risk assessment would provide the basis for our resource allocation and schedule from which we would produce cost schedules.

In practice, as we have seen by looking at Amanda's project, successful resource allocation often necessitates revisions to the activity plan, which, in turn, will affect our risk assessment. Similarly, the cost schedule might indicate the need or

7000 -r

T3 3000 0)

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Staffing costs

Overheads

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Week number

Figure 8.9 Weekly project costs for the IOE project.

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6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Week number

Figure 8.10 Cumulative project costs for the IOE project.

desirability to reallocate resources or revise activity plans - particularly where that schedule indicates a higher overall project cost than originally anticipated.

The interplay between the plans and schedules is complex - any change to any one will affect each of the others. Some factors can be directly compared in terms of money - the cost of hiring additional staff can be balanced against the costs of delaying the project's end date. Some factors, however, are difficult to express in money terms (the cost of an increased risk, for example) and will include an element of subjectivity.

Figure 8.11 Successful project scheduling is not a simple sequence.

While good project planning software will assist greatly in demonstrating the consequences of change and keeping the planning synchronized, successful project scheduling is largely dependant upon the skill and experience of the project manager in juggling the many factors involved.

Project Management Made Easy

Project Management Made Easy

What you need to know about… Project Management Made Easy! Project management consists of more than just a large building project and can encompass small projects as well. No matter what the size of your project, you need to have some sort of project management. How you manage your project has everything to do with its outcome.

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