Using Buffers

Let's return to the example project in Figure 12.4. So far, the project can be completed at the end of the eighth day. Resolving the resource conflict with Ernie did not add any duration to the project. First, we put a project buffer after C3, the final task in this project. Its size is the square root of the square of the contingencies in tasks C1, C2, and C3 (or the square root of 9 + 9 + 4), which is approximately 4.7 days. Next, we add feeding buffers at the end of the sequences A1-A2 and B1-B2. The calculated buffer sizes are 3.6 days for A1-A2 and 2.8 days for B1-B2. Incorporating these buffers into Figure 12.4 results in Figure 12.6.

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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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