Tag Archives: OSHA Sweep Auger Enforcement

Breaking News: Sweeping Changes to OSHA’s Sweep Auger Enforcement

By Amanda R. Strainis-Walker and Eric J. Conn

The roller coaster ride that has been OSHA’s enforcement policy in connection with work inside grain bins with energized sweep augers has taken another major turn.  After decades of employees working inside grain bins with sweep augers, a string of recent, somewhat confusing, Interpretation Letters issued by OSHA effectively banned the practice outright.  Now, a groundbreaking settlement of an OSHA case against an Illinois grain company became a Final Order of the OSH Review Commission in January, and that settlement renewed the industry’s right to work inside grain bins with energized sweep augers, and provided real clarity as to the conditions that OSHA considers to be acceptable for that work.

Sweep Augers

A sweep auger is a mechanism that attaches to a pivot point in the center of a flat-bottom grain bin, and then travels at very slow speeds in a circle around the bin, pulling grain from the perimeter of the bin towards a floor sump in the center of the bin by a helical screw blade called a flighting, where the grain exits to another conveying system.  Generally, one or more workers will be positioned inside the bin behind the sweep auger to make regular adjustments to the auger to keep it advancing on track, and also to manually sweep grain not captured by the auger.

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