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Critical task

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Fri, 2009-02-27 10:36
Christopher Paulraj
User offline. Last seen 15 years 5 weeks ago. Offline
Joined: 11 Feb 2009
Posts: 8
Groups: Civil Engineering
Hi

The free slack for a particular task is 0 days, but still in my programme it doesn’t appear like a critical task, when I go to view-more views- detail Gantt.

Can someone let me know what the reason behind this is? Even I checked in tools menu – options – calculation – tasks are critical if slack is equal or less than 0……..
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Fri, 2009-02-27 12:19
#1
Darren Kosa
User offline. Last seen 7 years 9 weeks ago. Offline
Joined: 8 Feb 2008
Posts: 256
Groups: None
Hi Chris,

I think you might be confusing Free Slack with Total Slack.

Free Slack (or Free Float) is the time available in a project network before a preceding task(s) delays the start date of succeeding task(s).

Total Slack (or Total Float) is the time available in a project network before a task delays the project end date.

Free Float can be 0days and not on be the critical path, whereas tasks with 0days Total Float will be.

Regards,

Darren
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