Power Lines
The truck boom, chassis, remote-control cable, and steel-braided end hose are great conductors of electricity. And with its high water content, the concrete itself can become a deathly electric conduit if any part of the pump machinery comes in contact with power lines. This is why more concrete pump operators die from electrocution than any other job-related cause. And even the rubber boots or rubber-soled workboots worn by concrete workers wont protect them from the 8,000 volts most residential power lines carry if that worker is in contact with any part of the equipment that touches a power line. Half of all accidents involving booms and power lines happen when the machine is being folded, unfolded or removed. This is why OSHA recommends placing a full-time spotter in position to keep an eye on the boom it its at all possible to inadvertently hit an electric wire. The American Concrete Pumping Association requires that the boom tip and any other section of the boom be at least 17 feet (5 meters) from power lines. Return to Concrete Pumping Find a Concrete Contractor 23 Services in 200 Metros -- U.S. and Canada © 2008 ConcreteNetwork.com None of this site may be reproduced without written permission |
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