Implementation of the critical chain to reduce the development time of new products at Circor Aerospace


The Plessis-Trévise site has implemented Project Management through Critical Chain and has achieved excellent results, particularly in terms of time savings and meeting deadlines.



  • Gain control over projects, meet commitment dates, reduce development times while minimizing risks.
  • Provide visibility to assess potential conflicts with other projects.



  • Training of teams and project manager on Critical Chain.
  • 3 pilot projects: project replanning, Critical Chain scheduling.
  • Identification of the Critical Chain and optimization of schedules.
    • Re-internalization of outsourced actions to gain cycle time.
  • Portfolio Fever Chart for the 3 pilot projects.
    • Reallocation of resources to a struggling project.
  • Use of mascots to track the Critical Chain.
  • Pareto analysis of the buffer consumption causes.
  • Bottleneck identification and capacity increase: the qualification laboratory.



  • Reduction of project durations.
  • Meeting deadlines, with project milestones being achieved on scheduled dates.
  • Implementation of Critical Chain on all projects in the portfolio.
  • Improved alignment of teams with project schedules.
  • Enhanced visibility of project progress and their criticality, prioritization of projects using the portfolio Fever Chart.


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About Marris Consulting

Marris Consulting is an industry consulting and training company specialized in the Theory of Constraints (ToC) and Critical Chain Project Management. We focus on improving the performance of manufacturing and process industries by using Constraints Management combined with Lean and Six Sigma. To boost project performance, we also use Critical Chain Project Management (CCPM), which we sometimes combine with Lean Engineering. Our 2-day performance audits, our performance consulting services and our project management, Lean, ToC & CCPM training by our industry consultants offer a wide range of solutions to help our clients around the world reach the highest possible levels of performance.

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