What is Critical Chain Project Management?

Marris Consulting

Critical Chain Project Management (CCPM) is a project management approach developed in the late 90s that enables organisations to:  - Finish projects on time,  - Finish projects faster,  - Do more projects every year.   CCPM is the project management component of the Theory Of Constraints developed by Eliyahu Goldratt, the author of the bestseller "The Goal".   This video explains the basic principles of Critical Chain project management through an Engineering to Order (ETO) project.  However, Critical Chain Project Management can be applied to any projects: new product development, MRO, software development, ...

Transcript

00:00Sous-titrage Société Radio-Canada

00:30Project Management Approach to speed up the project.

00:33Resources tend to estimate durations with safety margins to cope with project uncertainty.

00:38Projects regularly finish late because these margins could be better spent.

00:43They are wasted because of multitasking, student syndrome, and Parkinson's law.

00:48When using the critical chain approach, the project manager should ask instead for ambitious

00:53task durations corresponding to the value-added time required to complete the task.

00:57Without any multitasking or any significant problems.

01:02Resources should have very few tasks scheduled at any given time.

01:06This is obtained by limiting the number of ongoing projects and by leveling the load assigned

01:11to one resource.

01:12The project's critical chain is the longest chain of tasks, considering logical and resource

01:18dependencies.

01:19It determines the project duration.

01:21Any delay on the critical chain delays the whole project.

01:24Because the estimates are optimistic, it is essential to protect the project by using

01:29a project buffer placed at the end of the project.

01:32The project end date is now protected.

01:35Feeding buffers are also added to prevent any delay on the critical chain that non-critical

01:39tasks might cause.

01:41The project buffer is big.

01:43It is usually about one-third of the overall project duration.

01:47The end date promised to the client includes the project buffer.

01:50The new plan is shorter, but still realistic.

01:54The project is monitored throughout its execution by tracking the progress of the work along the

01:59critical chain and the consumption of the project buffer.

02:03The progress is visualized on a fever chart.

02:05Corrective actions are triggered to accelerate the project when necessary, depending on the

02:09zone in which the project is located.

02:12Green, yellow, or red.

02:14A project finishes on time when it reaches the top right-hand corner.

02:17To finish projects on time, you should aim to complete your projects early.

02:23John succeeded and finished his project ahead of time.

02:26Critical chain has proven its efficiency in thousands of cases around the world since its

02:31emergence in 1997.

02:33And you?

02:34When are you going to start managing your projects the critical chain way?

02:38The next one is going to be a project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager of the project manager.

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