Critical Chain Project Management

Key points:

  • Buffers provide a means to apply bottleneck concepts to project management.
  • The critical chain process is described.
  • Various buffers are defined and demonstrated.
  • Fever charts are presented for possible use in project control.

Critical chain project management (CCPM) has become a research area, applying the ideas developed by Goldratt.1 The gist is that care should be applied to bottleneck activities (critical activities) and buffers applied to obtain assurance of completion of those critical activities on time.


The primary means to ensure that critical activities are completed on time is to use buffers. A buffer is time that is included in the schedule to protect against unanticipated ...

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