Keeping SAFE while pumping by ProQuest

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Hose whipping is also a concern when cleaning out the pump at the end of a job, [Ron Meschko] adds. When employees attend Allen Concrete Pumping's safety training one topic covered is blowout safety. "This is a situation where air pressure is built up and compressed behind the concrete as the concrete is being pushed through the hose. When the concrete is finally released at the end of the hose, the result is often a violent whip and concrete shooting at an uncontrolled high velocity," he says.

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