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Introduction of unachievable NLT constraint slightly extends the schedule

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Evgeny Z.
User offline. Last seen 1 year 11 weeks ago. Offline
Joined: 13 Jan 2008
Posts: 396
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Vladimir,

I am still experimenting with prioritization and I noticed, that when I introduce my favorite NLT constraint into the j3013_8  RCSP then, when resource leveled, Spider actually produces a longer schedule, than without resource NLT constraint. The extension is not big, only 118 days vs 114, but still, since this is the only prioritization I use and I set it to the finish milestone, then I did not expect this to happen, since I thought that all preceding activities would have the same NLT constraint-driven priority.

I must say, that in the past I did not notice such effect of NLT constraint, but I was experimenting only with simple schedules.

Is there an explanation for this?

https://drive.google.com/file/d/0B1FBt_G3gCVqNUE0SEE1Q2VybjA/view?usp=sh...

Regards.

Evgeny.