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Golden Kernels of Death

August 27, 2011
By: Darrell Smith, Farm Journal Conservation and Machinery Editor
grain bin sunset
The number of grain entrapments in the U.S. is increasing, possibly because of higher production, longer periods of storage and late, wet harvest seasons, which result in poor-quality grain that gives farmers reasons to enter the bin.  

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Last year, flowing grain snuffed out 26 lives

There’s a dark downside to high corn demand and increased production: Handling more grain creates more opportunities to suffocate in a grain bin.

In 2010, Purdue University safety specialists documented 51 cases of farmers or elevator employees becoming trapped in grain—and 26 of them died. Other incidents probably went unrecorded because there is no national reporting system for such accidents. Six of the 2010 entrapments involved youths less than 16 years old.

The Purdue specialists have been recording cases of grain entrapment since the late 1960s. When team members Bill Field, an ag engineer and Extension safety specialist, and Steve Riedel, a graduate research assistant, analyzed this past year’s data, they found some disturbing trends.

Spoiled grain can be deadly. In 2010, there were 13 more entrapments than in 2009 and 37 more than in 2001, which had the fewest recorded incidents since data collection began. The percentage of fatal entrapments is also growing. In 2010, 51% of entrapments in grain bins resulted in death, compared with 42% in 2009.

More than half of the 2010 entrapments occurred when someone entered a bin to loosen crusted, spoiled or frozen grain without shutting off unloading equipment. "There’s a direct relationship between out-of-condition or spoiled grain and the probability of entrapment," Field says.

Late, wet harvest conditions increase the risk of poor-quality grain, Field notes. Increased ethanol production has led to more corn being stored for longer periods of time, which increases the risk of quality problems.

The worst thing about grain entrapments, Field says, is that "every one is a preventable incident."

All it takes to avoid an accident is common sense. You know the rules; but, for safety’s sake, take a few minutes to review them with your family and employees before you fill your bins this fall. Here’s a quick refresher from Fred Springborn, a Michigan State University Extension educator in Stanton, Mich.:

  • If grain is crusted or won’t flow, make every effort to break it up without entering the bin. "Many farmers have devised creative ways to use a swinging weight or even a sewer snake to poke at grain from outside the bin," Springborn says. If you use a long pole, watch for overhead electrical wires.
  • Never enter the bin if there’s a chance of crusted grain shifting or collapsing. "Even getting buried up to your knees can prevent you from escaping without assistance," Springborn says.
  • Never enter a bin while unloading equipment is running or grain is flowing. If you must go inside, shut off the power to augers and fans. Then lock out the unloading equipment, so no one can accidentally start it while you are inside.
  • Wear a safety harness, and secure it to something that won’t give way if grain starts pulling you down. Station at least one person outside the bin to help you if you get trapped.
  • Stay near the outer wall. If the grain starts to flow, keep walking near the bin wall and get out quickly.
  • Always wear a dust mask or respirator inside the bin.


Ask your Extension staff if there are any grain bin safety workshops in your area. If there are, take your family and employees.

You probably know, or know of, someone who was trapped, or even killed, in a grain bin accident. Don’t be the next victim. As Field says, "Record corn crops should lead to celebration, not tragedy and sorrow."

Farmer-Designed Safety Tower

Don Poore does not want to read or hear of another farmer death from entrapment in a grain bin. If the project he started in his farm shop can save a life—just one—well, it’s worth it.

Poore’s Bin Life Tower offers a secure support for farmers entering a bin. As the bin is unloaded, grain naturally flows to the middle, where the sump is located. If a farmer enters a bin from the side and encounters trouble, he will be swept toward the center, where he can grab onto the tower until help arrives.

Most often, Poore says, farmers enter a bin due to clumps or out-of-condition grain caused by moisture or mold that clogs the sump. Death by suffocation can occur when a farmer becomes engulfed with loose grain or when bins develop a hazardous gaseous atmosphere or lack oxygen.


Donald Poore, Grain bin safety 002
Don Poore (left) shows Bill Beldon of Golden Grain Systems, how his Bin Life Tower anchors to concrete supports under the bin floor. PHOTO: Sara Brown

Using Poore’s tower apparatus, farmers can enter the bin from the top, climb down the tower and address clumps and out-of-condition grain before the bin is completely empty. Working at the grain level prevents sudden grain flows from above and prevents an existing problem from becoming worse. The farmer can then climb back up the tower to exit the bin.

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FEATURED IN: Farm Journal - September 2011
RELATED TOPICS: Crops, Farm Safety

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