When analyzing barriers, investigators should first consider how the hazard and target could come together and what was in place or was required to keep them apart. Obvious physical barriers are those placed directly on the hazard (e.g., a guard on a grinding wheel); those placed between a hazard and target (e.g., a railing on…...
Accident Investigation – Barrier Analysis Read More »
The core element of behavior modification is the ABC model of behavior: Antecedents Behavior Consequences The ABC model specifies that behavior is triggered by a set of Antecedents (something that precedes behavior and is causally linked to the behavior) and followed by Consequences (outcome of the behavior for the individual) that increase…...
Understanding the ABC Model Read More »
The main elements of a safety culture and their various interactions are previewed below. Each subcomponent will be discussed more fully below:… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...
The Components of a “Safety Culture” (Reason, 1997) Read More »
Approaches to health and safety vary considerably at all levels of management. As we will see, the Human Factors approach wins hands-down…. Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...
Management approaches to health and safety Read More »
The use of risk controls or barriers to protect the people from hazards is a core principle of safety. Barriers are employed to serve two purposes: to prevent the release of hazardous energy and to mitigate harm in the event hazardous energy is released Energy is defined broadly as used here and includes multiple forms,…...
The Function of Safety Barriers (Layers of Protection) Read More »
Safety Management Systems (SMS) was developed to integrate safety as part of an organization’s management of safety performance. The benefits of process-based management systems are a well-established component of quality performance. As organizations and the technologies they employ became more complex and diverse, and the rate of change in the pace of societal expectations, technical…...
Safety Management Systems (ANSI/ISO/PSM/RMP/SIF) Read More »
An organizational event-causal story developed by James Reason starts with the organizational factors: Strategic decisions, Generic organizational processes – forecasting, budgeting, allocating resources, planning, scheduling, communicating, managing, auditing, etc. These processes are colored and shaped by the corporate culture, unspoken attitudes, and unwritten rules concerning how the organization carries out its business. [Reason, 1997]… Membership...
From Latent Conditions to Active Failures (Dr. James Reason Human Failure Model) Read More »
Here is a list of questions investigators may ask to determine whether line management deficiencies affected the accident. These questions are based on the seven (7) guiding principles of an SMS. These are not intended to be exhaustive. Investigator(s) should adapt these questions or develop new ones based on the specific characteristics of the accident…....
