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At approximately 9:40 a.m. on March 20, 2007, Employee #1, a machinist in the Mechanical Services Shop, was working with a coworker to lift a 1,323-pound metal disc, at Southern California Edison's Shop Services and Instrument Division. The coworker was operating the controls of a 4-ton capacity overhead boom crane. Attached to the hook of the crane's headache ball was a 5,500-pound lifting capacity Walker-Bux lift magnet, powered by an AC-Delco Professional Model 58-6YR 12-volt battery (serial number 004765). Employee #1 was guiding the disc into a Blanchard grinder (serial number 12680), and had just maneuvered the disc to the lip of the grinder when a trainee observing the operation saw the charge indicating needle for the magnet's battery suddenly dip below the safe zone. The trainee shouted a warning but the magnet had lost its charge and the metal disc fell on Employee #1's right foot, crushing his toes. He was taken to UC Irvine Medical Center where he was hospitalized for about a week. He was then transferred to Cedars Sinai Hospital, where it was determined that he had lost all blood and nerve function in the toes and they were amputated.
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| Keywords:
battery, magnet, amputated, machinist, suspended load, mech mat handling, toe, falling object, mech malfunction, crane
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