The Stockpile · Pile 07 — The Toolbox
Belt speed beats reaction time. Five minutes on pinch points, guards, and the shoveling that shouldn’t exist.
The 5-minute version
MSHA publishes fatality alerts about conveyors with grim regularity, and the pattern barely changes: someone cleaning, greasing or adjusting next to a moving belt, caught at the tail pulley, a return roller, or the take-up. Machine guarding (1910.212) was #10 on OSHA’s FY2025 most-cited list, and in mining, guarding standards 56/57.14107 are among the most-cited every year. The physics is unforgiving: a belt at 350 feet per minute moves almost 6 feet in one second — roughly the human reaction time plus one flinch.
Based on the kind of incident that happens every year
Night shift, spillage building at the tail of the reclaim conveyor — the same spillage as every night, because the skirting upstream leaks. The shoveling has become routine: belt running, because stopping the line means calling the control room and explaining the delay.
The shovel blade kisses the moving belt. The belt takes the shovel; the handle takes the man toward the unguarded tail pulley before he can open his hands. He survives because a coworker reaches the pull-cord in time, and the incident report uses the phrase “caught-by, near-fatality.”
Every element was normal until it wasn’t: the leak nobody fixed, the guard panel that had been off for weeks 'temporarily,' the running-belt shoveling everyone had done a hundred times. MSHA’s fatality alerts describe this exact sequence more than any other conveyor scenario — which is why this talk exists.
Five minutes of reading is worth less than two minutes of arguing. Ask the crew:
| Reference | What it covers |
|---|---|
| OSHA 1910.212 | Machine guarding — general requirements (top-10 cited) |
| MSHA — Guarding Conveyor Belts | 30 CFR 56/57.14107 guarding guide with photos |
| MSHA safety alert | Rotating conveyor rollers — entanglement pattern |
Where they're over or beside a walkway or work area within reach — yes, and MSHA has issued specific alerts on roller entanglements. Height above walkways can satisfy 'guarded by location,' but that's a determination, not an assumption.
Extended grease lines that put the fitting outside the guard exist for exactly this reason. If the task puts any part of you inside the guarded envelope of a running conveyor, it's a lockout job.
Anyone can bolt one back on; removing one is a maintenance act that rides on a lockout. Guard-off-belt-running has its own line in the fatality statistics.
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