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Lean Six Sigma Essentials

  • DMAIC Roadmap
  • System Interaction Map

01 DEFINE

  • VOC Translation Matrix
  • CTQ-Tree
  • Kano Model
  • Is/Is-Not Method
  • SMART Goals
  • SIPOC
  • In/Out-Frame
  • Stakeholder Matrix
  • Cost of Poor Quality (COPQ)
  • DMAIC Milestone Plan
  • Project Charter
  • Define Tollgate Checklist

02 MEASURE

  • Parking Lot
  • Detailed Flowchart
  • Swimlane Diagram
  • Y=f(X) Cascade
  • Data Collection Plan
  • Sample Size
  • Measurement System Analysis
  • Chart Selection Guide
  • Brown Paper Approach
  • Baseline & Sigma Level
  • Measure Tollgate Checklist

03 ANALYZE

  • Fishbone Diagram
  • 5S Quick Wins
  • Spaghetti Diagram
  • Work Sampling (MMA)
  • Yamazumi Chart
  • Scatter Plot & Correlation
  • 5 Whys
  • Affinity Diagram
  • Pareto Analysis
  • Interrelationship Diagraph
  • FMEA
  • Hypothesis Test Selector
  • Analyze Tollgate Checklist

04 IMPROVE

  • 7 Wastes (TIMWOOD)
  • Standard Operating Procedure (SOP)
  • Poka-Yoke
  • SMED (Quick Changeover)
  • Kanban (2-Bin System)
  • Brainwriting 6-3-5
  • SCAMPER
  • Pick Chart
  • Pugh Matrix
  • Pilot Plan
  • Rollout Plan
  • Improve Tollgate Checklist

05 CONTROL

  • Control Plan
  • Control Chart (SPC)
  • Visual Controls
  • Kamishibai
  • OEE & TPM
  • Handover Checklist
  • After Action Review
  • Final Tollgate Checklist
View Categories
  • Home
  • Resources
  • B303 Lean Six Sigma
  • 01 DEFINE
  • Define Tollgate Checklist

Define Tollgate Checklist

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Before you collect any data, make sure your projectA unique, temporary endeavor with a defined goal that is important, urgent or complex enough to need its own organization outside the normal line organization. Click term for full definition rests on solid ground. This checklist helps you prepare your Define tollgateA formal review point at the end of a DMAIC phase where the team pauses, presents its data and gets sign-off before moving on to the next phase. Click term for full definition review. Watch the short video, then work with the toolkit PDF: it explains the method, shows a worked example and gives you a blank template to fill in.

Tool video

The short tool video will appear here.

Define Tollgate Checklist in short

  1. Go through the checklist. Tick off each point only if you have a concrete result, not just an idea.
  2. Close the gaps. Go back to the relevant topic for every point you cannot tick.
  3. Prepare a short summary. One page or a few slides: problem, goal, scope, team, COPQ, milestones.
  4. Hold the review. Present your results and ask for open questions.
  5. Get the sign-off. The sponsor’s signature on the charter is your green light for Measure.

Key points

  • A tollgate is a formal go/no-go review.
  • Six checks, one for each Define step.
  • Close gaps before you move on.
  • The signed charter is your green light.

Related tools: Project Charter · DMAIC Milestone Plan · DMAIC Roadmap

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