Why should running equipment be locked out before entry?

Augers and conveyors moving product can pull an entrant into flowing material within seconds. Lockout/tagout (29 CFR 1910.147) ensures the equipment cannot move and material cannot flow during the entry.

Why are so many confined-space deaths would-be rescuers?

More than half of confined-space fatalities are coworkers who rush in to help without training or equipment and are then overcome or engulfed themselves. A planned non-entry rescue prevents this.

What are the OSHA penalties for engulfment hazards?

A serious permit-required confined space violation can cost over $16,000, and willful or repeat violations can exceed $165,000 per instance. Fatalities draw intensive OSHA investigation and litigation.

How accurate is OSHA Scan at detecting entry hazards?

OSHA Scan flags confined-space entry hazards. It checks for exposed flowable material, active flow, and missing permit controls, returning the location and OSHA citation.

OSHA Scan

Loose Material Can Swallow a Worker in Seconds

Catch the engulfment hazard before entry

In silos, hoppers, bins, tanks, and sand or grain storage, flowing solids behave like quicksand — a worker standing on bridged material can drop through and be buried before anyone can pull them out. Engulfment is one of the deadliest confined-space hazards. OSHA Scan analyzes photos of confined-space entries and openings to flag unguarded material, missing isolation, and absent permit controls before your crew climbs in.

Engulfment is being surrounded and captured by a liquid or a finely divided flowable solid — grain, sand, sawdust, flour, cement, or similar material — that can crush, suffocate, or bury a worker. It is a defining hazard of permit-required confined spaces such as silos, hoppers, bins, tanks, and railcars.
On site the hazard shows up as a worker standing on top of stored material that may have 'bridged' over an empty pocket, active flow or augers running beneath the surface, sidewall material that can avalanche, or an open hopper with no isolation of the equipment that moves the product. Bypassed permit systems, missing attendants, and no lifeline make a survivable situation fatal.
The trap is how fast and how quietly it happens. Flowing material pulls a worker down like liquid — within seconds they cannot free their legs, and within a minute they are submerged. Untrained coworkers who jump in to help become the next victims. That is why verifying isolation and permit controls from a photo before entry saves lives.

What is engulfment in a confined space?

Engulfment is being surrounded and captured by a liquid or a flowable solid such as grain, sand, or cement that can suffocate or crush a worker. It is a primary hazard in silos, bins, hoppers, and tanks.

Why is flowing grain so dangerous?

Flowing grain behaves like quicksand. A worker can be helpless in about five seconds and fully submerged in under a minute, and the material's downward pull makes self-rescue impossible once it reaches chest level.

What is a bridged or crusted material hazard?

Stored material can crust over and 'bridge' above an empty pocket. A worker standing on the crust can break through and fall into the void, then be buried as the surrounding material collapses inward.

What does OSHA require before a confined-space entry?

For permit-required spaces, OSHA requires a written permit, atmospheric testing, isolation of engulfment and energy hazards, a trained attendant, and a rescue plan (29 CFR 1926.1204 and 1910.146).