Archives of Personal Papers ex libris Ludwig Benner,
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of the 15
International System Safety Conference
DC August 13-17, 1997
1997 Ludwig Benner, Jr
SAFETY ANALYSIS PITFALLS
Ludwig Benner, Jr., PE; Ludwig Benner & Associates; Oakton, VA
System Definition Requirements
Update of current system safety guidance search
Discussion of results.
Implications of Findings.
deficiencies in system safety techniques create pitfalls for system safety
deficiencies are the absence of (1) generally accepted specifications for
defining a system for system safety analysis purposes, (2) a generally accepted
method for defining systems, and task requirement to apply the specifications
or method, and (3) a system safety analysis feedback method and requirement
that would disclose these deficiencies.
safety analysts typically use system or subsystem descriptions supplied by
others. Published system safety hazard discovery techniques provide no
specifications for what constitutes an acceptable system definition. This
deficiency creates unsuspected problems for system safety analysts.
Consequences include inadequately understood system interactions, and
undiscovered or overlooked hazards that lead to unnecessary mishaps. Remedial
action is suggested.
1. Requirements for System Definition Hazard Analysis Techniques
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