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What is difference between critical path and longest path in P6?

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Question ajoutée par ZULFIQAR ALI , Planning/ Project Control Manager , King Abdullah University Of Science And Technology
Date de publication: 2017/06/13
ZULFIQAR ALI
par ZULFIQAR ALI , Planning/ Project Control Manager , King Abdullah University Of Science And Technology

In a schedule there can be more than one critical path but only one longest path which is also critical path. The longest path will define the overall duration of project.

Ahmed Mohamed Abdel Kader Al-Assar
par Ahmed Mohamed Abdel Kader Al-Assar , Project Control Engineer , QU

I agreed with Mr.Y Zulfiqar Ali, and I'd like to briefly say that the Longest Path is a Critical Path, but not all Critical Paths are the Longest

Zulfiqar Ali Abro
par Zulfiqar Ali Abro , Lead Planner/ Scheduler , SNC Lavalin, Calgary Alber

CRITICAL PATH – is the longest continuous chain of activities (may be more than one path) which establishes the minimum overall project duration. A slippage or delay in completion of any activity by one time period will extend final completion correspondingly. The critical path by definition has no “float.”

 

LONGEST PATH (LP) – is the longest continuous path of activities through a project, which controls project early completion. It is possible for otherwise defined critical path activities to not be on the longest path and longest path activities to not show calculated critical float.

Vineet Singh
par Vineet Singh , Project Planning Engineer , Larsen & Toubro Ltd.

Critical Path is a path through your project which has activities YOU consider critical.

The Longest Path is the path through a project network from start to finish where the Total Duration is longer than any other path.

Binil Paul
par Binil Paul , Sr. Planning Engineer , KEO International Consultants

Critical Path activities are those activities whose total float = zero

Longest path is the shortest duration in which the project can be completed and all activities on the longest path will have zero total float ..................................................

ZULFIQAR ALI
par ZULFIQAR ALI , Project Controls Manager , Nakheel Dubai

I agree with Zulfiqar Ali theat Critical path establish minimum proejct duration and longest path controls proejct early completion

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