Resource Allocation
In the Open Standard
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Asadullah MagsiMember for 17 years 6 months
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Oldest first- 0RDRafael Davila ·Better get software capable of showing resource critical float
Schedule a 2 activities network, not tied one to each other by precedence logic but sharing a limited resource.
For example:
Activity A – 5 days
Activity B - 5 days
Both activities sharing Resource A.
Most software under resource leveling will schedule A and B at different time, the first one depending on your priorities selection. This is ok up to this point, but the problem is most will show float of 5 days on the first activity while a delay in this activity will delay the completion of your schedule.
Imagine that you as a Project Manager look at the available float as per your CPM schedule and start paying attention to those shown as critical and even start moving resources from those showing some float as to keep under control those showing no float. Because most software under resource constrained schedule will show the wrong float for resource critical activities you most probably will end up moving resources precisely from the wrong activities. You either will discover too late it was wrong or start doubting about the CPM float display.
Well better start doubting about the CPM float display and either buy a glass ball or software capable of showing resource critical float.
If you are a CPM consultant and do not warn your clients that available float as shown in the software might be wrong you might be liable for damages. Make sure you include a disclamer the same way software developers do and be specific as to this pitfall, your professional liability exposure is more than that of the software developer.
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