L2 Concerns Detail Editor
Concern #540 | Safety Case and Design Baseline Misalignment
Title
Safety Case and Design Baseline Misalignment
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Description
The evolving safety case may drift out of alignment with the engineering design baseline, creating uncertainty over whether the physical plant and the justified plant are still the same thing.
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Origin
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Desired Outcome
The safety case, design baseline, requirements set, and change records remain aligned and demonstrably traceable throughout the project lifecycle.
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What Could Go Wrong
Construction or procurement proceeds against a baseline that no longer matches the assumptions in the safety case or key safety submissions.
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Current Situation
Major projects often develop design and safety narratives in adjacent teams, and alignment can degrade as changes accumulate.
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Strategy Narrative (JSON)
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Proposed Strategy
Maintain explicit traceability between safety claims, requirements, system design, procurement packages, and approved changes; require visible reconciliation at each key maturity gate.
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Action Strategy (JSON List)
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Cause
Design evolution and safety justification are controlled through partially separate processes.
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Event
One or more design changes are incorporated without full safety case reconciliation.
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Consequence
The project faces approval delay, design rework, or loss of confidence in the integrity of its assurance basis.
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Notes
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