Laborer fatally injured while cleaning concrete mixer - Tennessee, May 15, 1995.
NIOSH 1995 Aug; :1-7
A 25 year old male laborer employed by a concrete pipe manufacturing company which produced concrete sewer pipes of various sizes died after a concrete mixer he was cleaning was turned on. The victim was involved in cleaning a ribbon type concrete mixer at the time of the accident. The procedure was to shut off the power at the breaker box, about 35 feet from the mixer, push the toggle switch for the mixer to determine if the power is off, and then enter the mixer to scrape down the inside and shovel the concrete debris out the front discharge chute. The mixer operator apparently shut off the main breaker but left to make a phone call prior to checking the mixer before entry. The victim spoke or read very little English, and did not know that the mixer had been deenergized at the main breaker. He turned the mixer back on, apparently thinking he was turning it off. He then entered the mixer without first pushing the toggle switch to verify that the power was off. The mixer operator returned, pushed the toggle switch to check the mixer, and heard the victim scream. Cause of death was listed as crushing lower trunk injuries. It is recommended that employers should conduct a safety hazard analysis of all work locations and implement corrective actions as needed. A written safety program, including task specific training and lockout/tagout procedures, should be developed and enforced.
NIOSH-Author; Region-4; FACE-95-12; Accident-analysis; Safety-research; Traumatic-injuries; Industrial-factory-workers; Machine-operation
Fatality Assessment and Control Evaluation
NTIS Accession No.
Division of Safety Research, NIOSH, U.S. Department of Health and Human Services, Morgantown, West Virginia, Report Number FACE-95-12, 7 pages, 2 references