Importance of Risk Assessment and Risk Control Hierarchy in Electrical Safety Programs: NFPA 70E - (ppt)

摘要

□ Understand controls are fallible □ Potential Failure Modes: □ Elimination: Component failures, defective equipment, unmaintained equipment □ Substitution: employee interaction, procurement decisions □ Engineering Controls: Protective system failure, production pressures, □ Awareness: too many warning signs and indications, instructions misinterpreted by worker, lack of understanding of instructions □ Administrative controls: procedures that are not kept current, not following the procedures, drawings and SLDs not updated to identify the possible sources. □ PPE: Selecting wrong PPE for the work, employees not donning the PPE, failure to inspect PPE