Engineering change control lifecycle
Distinguishes change authorization, implementation and verified acceptance. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
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What this template contains
- Diagram type
- State diagram
- Source
- 15 lines
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stateDiagram-v2
[*] --> Draft
Draft --> ImpactReview: submit change
ImpactReview --> Draft: missing cost or safety impact
ImpactReview --> AwaitingDecision: assessment complete
AwaitingDecision --> Rejected: not justified
AwaitingDecision --> Authorized: approve scope and baseline
Authorized --> Implementing: work package released
Implementing --> Verification: change installed
Verification --> Implementing: nonconformance
Verification --> Closed: acceptance evidence complete
Authorized --> Cancelled: withdraw before work starts
Closed --> [*]
Rejected --> [*]
Cancelled --> [*]