A Lean Six Sigma Tollgate Review is like a checkpoint definition at which the various team members meet with a project Champion and determine whether the work has been performed as indicated in the project plan and whether the objectives mentioned have been achieved.

A Tollgate Review will help you determine if the goals in each stage of your DMAIC process have been completed and whether you can move on to the next stage.

What is the definition of a six sigma tollgate?
What is the definition of a Lean six sigma tollgate?

Six Sigma ‘Define’ Tollgate Review and Deliverables

Has the Project Team been developed?

  • Are the team and project sponsored by a champion or business leader?
  • Is the team comprised of SMEs
  • Have they had the Yellow Belt Training?

Has the “Project Charter” been developed?
(The following questions should help determine the answer)

  • Business Case: What are the compelling business reasons for embarking on this project?
    • Is the project linked to key business goals and objectives?
    • What key business process output measure(s) will the project leverage and how?
    • What are the rough order estimates on cost savings/opportunities on this project

Problem Statement (Starting Line):

  • What specifically is the problem?
  • Do we understand the Customers’ Requirements?
  • Have the customer’s been identified?
  • Has the improvement team collected the ‘voice of the customer’ (obtained feedback – qualitative and quantitative)?
  • What customer feedback methods were used to solicit their input?
  • Have the customer needs been translated into specific, measurable requirements?

Has a SIPOC diagram been produced describing the Suppliers, Inputs, Processes, Outputs, and Customers?

Have you used a Lean tool like the Value Stream Map to Identify Waste in the Process and to help in the Project Scoping process?

Define Stage Deliverables:

  • Project Team has been developed and is sponsored by a champion or business leader.
  • Project management charter, including business case, problem and goal statements, project scope, milestones, roles and responsibilities, and communication plan.
  • Completed SIPOC representation, describing the Suppliers, Inputs, Processes, Outputs, and Customers.
  • Completed Value Stream Map to show the “present state” of Waste in the process and to further scope (If applicable)
  • Red flags and recommendations for resolution defined
  • Next steps documented
  • Approval of report out signed by Project Champion
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