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Float in Project Time Management

09/04/06 | by Clarise | Categories: Project Management, Business Intelligence

Whether one is a project manager for an Open Source Business Intelligence Project or any project for that matter, managing and monitoring project schedules are very important. One must continuously monitor schedule to actual work performed to ensure that the project stays on target. Delays in the project schedule affect all the aspects of the project.

In our project engagements one (with respect to Time Management) of the project performance reports we do is Float Analysis.

Float Analysis
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The concept of float is integral to Critical Path. Float or sometimes referred to as “Slack” can be thought of as the maximum time an activity can slip without delaying the end date of project. As a quick way of looking at a float for a network diagram, if an activity is on the critical path, it has a zero float. (I have read some technical cases where this is not always true but it is still a quick way to look at it &#59;D) Simply, the activity with zero float has no time buffer or allowance for work slippage, i.e., if the activity is not finished on time, it will cause the project to fall behind schedule.

If we look at the example of the previous blog post, Critical Path in Schedule Management, the sample durations are:

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If you look at this simple example, all the activities are in the critical path since the critical paths are:
Start-A-B-E-F-C-End and Start-D-B-E-F-C-End.

Remember though that when managing the schedule and critical activities of your project, the other aspects of the project - Scope, Cost, Quality, Resource Management, Communication, Risk, and Procurement Management should not be neglected or have less emphasis.

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1 comment


Very entertaining issue. I haven’t heard of this one. It will be necessary to visit you on a thicket!

11/08/06 @ 00:29
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This blog contains thoughts that range from non-technical to technical. Its name is derived from "Yakity Blah Blah" a column I once had that discussed a cornucopia of ideas. Who am I? I'm Clarise Z. Doval Santos, providing Project Management and Technical Leadership for data management and analytic, data science, IoT and sensor analytics ecosystems 37.652951177164 -122.490877706959


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