Bulldozer Operator, Universal Operator, Heavy Equipment Operator, Operating Engineer fatality

June 22, 2023 at 2:30 PM

Chula Vista Quarry · CalMat Co · San Diego County, CA

Investigator narrative

Machine operator was operating a CAT D9T dozer clearing overburden material from a bench. Operator reversed the machine backwards an estimated 200-300 ft. at a high speed without looking back and without responding to honking from another machine, per witness testimony. Machine fell off an edge. Operator was pronounced dead at the scene. Machine is total loss.

Record details

Classification: MACHINERY
Accident type: Struck against a moving object
Activity at time: Bulldozer
Subunit / location: STRIP, QUARY, OPEN PIT
Source of injury: SURFACE MINING MACHINES
Nature of injury: UNCLASSIFIED,NOT DETERMED
Total mining experience: 27 years
Experience at this mine: 2.15 years
Experience in this job: 27 years
Mine type: Surface
Sector: Metal/Nonmetal

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