Occupational Safety

223 articles

Hamlet Fire, 1991: How a Locked Exit Exposed a Broken Safety System

The September 1991 fire at Imperial Food Products in Hamlet, North Carolina, killed 25 workers and injured more than 50 others. OSHA records and guidance describe a plant where emergency exits, fire protection, and production conditions combined to create a fatal escape problem. This case study follows the decision trail behind the event and shows why a safety system is only real when workers can use its controls under pressure.

Andreza Araújo October 08, 2026 7 min

occupational-safety

Safety Management System Explained: 4 Operating Layers

A safety management system works when leadership, risk controls, work execution, and assurance connect to change decisions before exposure becomes normal.

Andreza Araújo October 07, 2026 5 min

occupational-safety

Confined Space Entry: 5 Blind Spots That Turn a Permit Into False Assurance

A confined-space permit should prove that the space, isolation, atmosphere, attendant role, and rescue method are ready for the actual job. This F1 diagnostic explains five blind spots that make a signed permit look stronger than the control system behind it.

Andreza Araújo October 06, 2026 8 min

occupational-safety

Inherently Safer Design Explained: 4 Principles That Remove Risk Before PPE

Inherently safer design changes the process, material, energy, or operating condition so that the hazard is reduced before workers depend on procedures or PPE. This F7 explainer shows four principles, how to compare design choices, and when a temporary administrative control needs escalation.

Andreza Araújo October 06, 2026 4 min

occupational-safety

How to Verify a Hot-Work Permit Before the First Spark

A practical supervisor procedure for checking the work area, isolation, fire controls, atmosphere, people, and stop conditions before hot work begins.

Andreza Araújo October 06, 2026 7 min

occupational-safety

Hierarchy of Controls Explained: 5 Protection Choices From Elimination to PPE

The hierarchy of controls is a decision aid for choosing protection in the order that reduces dependence on individual attention. This explainer defines five protection choices and shows how supervisors can distinguish a real control improvement from a new instruction layered onto the same exposure.

Andreza Araújo October 05, 2026 3 min

occupational-safety

Line-Breaking Safety: 5 Decisions That Prevent Residual Pressure From Becoming an Invisible Hazard

Line breaking is controlled by decisions made before the first flange opens. This diagnostic explains how operations and maintenance leaders can define the line, confirm isolation, manage residual pressure, verify the work boundary, and authorize restart without turning a permit into false reassurance.

Andreza Araújo October 02, 2026 6 min

occupational-safety

Energy Isolation: 5 Decisions That Turn LOTO Into a Verified Barrier

Lockout/tagout becomes dependable when leaders treat isolation as a chain of decisions, not a tag placed on equipment. This diagnostic shows where maintenance teams can verify energy control before work begins.

Andreza Araújo October 02, 2026 7 min

occupational-safety

Training vs Competency vs Field Proof: Which One Counts?

Training shows that information was delivered, competency tests applied capability, and field verification checks whether a safety control survives real work.

Andreza Araújo October 01, 2026 6 min

occupational-safety

How to Run a Safety-Critical Shift Handover Before Maintenance Starts

A maintenance handover is not a status update. It is a control transfer in which the outgoing and incoming teams confirm the work boundary, hazardous energy, control owners, changed conditions, and unresolved decisions before exposure moves to the next shift.

Andreza Araújo October 01, 2026 7 min