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Copyright © 2014 by Cenbee Bullock PFS Consulting Ltd
PFS
Specialising
In Functional Safety
Minimising Systematic Failures in SIS Design
Human Reliability Analysis
Insufficient time
Stress
Fitness for duty
Complexity of the design
Experience/ Training
Competence
Communication
Procedures
Work supervision
Work environment
Number of personnel
Studies from NUREG & PII in SPAR-H Human Reliability Analysis show
that the possible Human Errors in a given task include:
SPAR
– Standardised Plant Analysis Risk Model
NUREG
– Nuclear Regulatory Commission, Office of Nuclear
Regulatory Research, Washington DC
PII
– Process Improvement Institute,Inc TN 37922