Читать книгу Risk Assessment - Marvin Rausand - Страница 110

Physical or engineered system or human action (based on specific procedures or administrative controls) that is implemented to prevent, control, or impede energy released from reaching the assets and causing harm.

Barriers are also called safeguards, protection layers, defenses, controls, or countermeasures. Barriers are discussed in more detail in Chapter 14. Some categories of barriers are listed in Table 2.9 .

Table 2.9 Categories of barriers.

Physical barriers– Equipment and engineering design– Personal protective equipment (e.g. clothes, hard hats, and glasses)– Fire walls, shields– Safety devices (e.g. relief valves, emergency shutdown systems, and fire extinguishers)– Warning devices (e.g. fire and gas alarms)

Organizational barriers– Hazard identification and analyses– Line management oversight– Supervision– Inspection and testing– Work planning– Work procedures– Training– Knowledge and skills– Rules and regulations