Standard Interpretations - Table of Contents|
| Standard Number:||1910.23(a)(5); 1910.272; 1910.272(e)(2); 1910.272(g)(1)(ii); 1910.272(g)(2)|
All mechanical, electrical, hydraulic, and pneumatic equipment which presents a danger to employees inside grain storage structures shall be deenergized and shall be disconnected, locked-out and tagged, blocked-off, or otherwise prevented from operating by other equally effective means or methods.Also, OSHA's standard at 29 CFR 1910.23(a)(5) provides:
Every pit and trapdoor floor opening, infrequently used, shall be guarded by a floor opening cover of standard strength. While the cover is not in place, the pit or trap shall be constantly attended by someone or shall be protected on exposed sides by removable standard railings.Sweep augers are installed at the floor level of grain storage structures to help move grain from the periphery of the structure to the central discharge point. You indicated in your letter that sweep augers attach to a center pivot point that is usually located in an open pit or sump that provides access to the recovery conveyor that removes grain and foreign matter from the bin. The open sump can range from 18 inches to 4 feet deep or from 18 inches to 4 feet in length or diameter, although most sumps are square. You also indicate that, by design, sweep augers do not have a grating covering them.
|Standard Interpretations - Table of Contents|
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