CAP – Do Cycle

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The Key Tool for Executing  Focused Improvement

  • Check – Observe, Collect Data
  • Analyze – Determine Root Cause
  • Plan – Formulate Actions
  • Do
    • Implement Plan
    • REVIEW – Monitor results and return to Check

Capdo form can be found here.

CAP-Do: The Check Phase

  1. Identify the Problem

–“A state of difficulty that needs to be resolved”

–“A question raised for consideration or solution”

  1. Understand Ideal Situation
  2. Identify the Phenomenon

–“Whatever, in matter or spirit, is comprehended by observation”

–“Any state or process known through the senses rather than by intuition or reasoning”

 Phenomenon Means: 

  • Observing the facts with our own
    eyes & all senses
  • The facts without presumption

CAP-Do:    Check Step 1

  1. Identify the Problem

–“A state of difficulty that needs to be resolved”

–“A question raised for consideration or solution”

  1. Understand the Ideal Situation
  2. Identify the Phenomenon

Check Step 1: Identify the Problem

  • Collect Data
  • Go to the “actual place”

– Observe

– Take Photographs / Videos

– Interview

  • Collect Data*

– Assemble all available related data from Loss Tree Analysis

CAP-Do :    Check Step 2 Understand the Ideal Situation

Machine

  • Equipment Sketches
  • Operational principles & model

Material

  • Material samples

Man & Method

  • Flow charts of the process
  • Forms and procedures

Check Step 3: Identify the Phenomenon

5W’s 1H* (Define problem, show loss data)

  • What, When, Where, Who, Which, and How.
  • Requires information collected in CHECK Steps 1 & 2 to complete the 5W1H form and identify the “phenomenon”.
  • If there is not enough data from CHECK Steps 1&2, the 5W1H must be paused in order to get the data.
  • Cause is NOT assigned / implied in the Phenomenon statement.

What:

What thing or product did you see the problem on?

When:

When did the problem occur?

Where:

  1. Where did you see the problem? (Line/Machine/Location)
  2. Where on the work or material did you see the problem?

Who:

Is the problem related to skill? (Skill dependant or independent)

Which:

Which trend (pattern) did you see the problem have?

Is the trend random or is there a pattern?

How:

How is the state different from normal condition?

CAP-Do: The Analyze Phase

  • Determine Root Cause

– 5 Why (Why-Why)

– Principle of Operation

– SEND Analysis

  • Formulate Possible Actions

CAP-Do: The Plan Phase

  • Review and Prioritize Possible Actions
  • Short and Long Term Actions
  • Assemble Required Materials
  • Write OPL’s
  • Schedule Work
  • Create OPLs

CAP-Do: The Do Phase

  • Safety Comes First
  • Implement Actions
  • Review

– Observe Results

– Hold the Gains

  • Return to Check

CAP – Do Activity Board Content

 

CAP-Do en español CAP-Do em português

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