Safety-I and Safety-II¶
Hollnagel, E. (2014). Safety-I and Safety-II: The Past and Future of Safety Management. Ashgate Publishing.
Cited by¶
6 citations across 6 artifacts.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Boundedness
This sourceAshgate. Bibliography-only (Tier C).
- Containment
This sourceContrasts reactive (Safety-I) and proactive (Safety-II) approaches to managing high-risk systems. Bibliography-only (tier C); not cited in body.
- Fail-Safe
- The distinction between fail-safe (safe state on failure) and fail-secure (locked-down state on failure) as contextual design choices
This sourceContrasts Safety-I (avoiding things that go wrong) with Safety-II (ensuring things go right) and frames context-dependent safety judgments.
- The distinction between fail-safe (safe state on failure) and fail-secure (locked-down state on failure) as contextual design choices
- Procedure-Work Mismatch
- Hollnagel's "work-as-imagined versus work-as-done" is the canonical articulation
This sourceCanonical articulation of work-as-imagined versus work-as-done and of procedures as resources for action rather than recipes for action.
- Hollnagel's "work-as-imagined versus work-as-done" is the canonical articulation
- Resilience
- Envelope-mechanism focus: Concentrates attention on envelope and mechanism rather than every possible failure mode; specifying what disturbances are absorbed and by what mechanism bounds the design and analysis effort, as Hollnagel (2014) argues in Safety-I and Safety-II against exhaustive failure-mode enumeration
This sourceAshgate. Argues that safety management should focus on the envelope of normal performance variability and adaptive mechanisms rather than on exhaustive enumeration of failure modes; reframes resilience as the capacity to succeed under varying conditions.
- Envelope-mechanism focus: Concentrates attention on envelope and mechanism rather than every possible failure mode; specifying what disturbances are absorbed and by what mechanism bounds the design and analysis effort, as Hollnagel (2014) argues in Safety-I and Safety-II against exhaustive failure-mode enumeration
- Responsibility Diffusion
- Listed in the references but not attached to a specific claim.
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