Accident Investigation of the March 5, 2011, Building 488 Tree Felling Injury at Brookhaven National Laboratory

On March 5, 2011, Building 488 tree felling injury at BNL that resulted in the injury of a Site Resources Division Building and Grounds Utility Worker

Office of Environment, Health, Safety & Security

April 1, 2011
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April 2011

On Saturday, March 5, 2011 at approximately 10:20 a.m., a Brookhaven National Laboratory Building and Grounds Utility Worker was felling a pine tree while elevated in a 60-foot articulating and telescoping boom lift approximately 20-feet above the ground on the south side of Building 488. As the gas-powered, 20-inch chainsaw being used by the employee cut through the tree trunk, an approximately 8-foot long, 18-inch diameter, 520 pound section of tree trunk fell toward the aerial lift, striking the employee’s right forearm, and compressing it against the top railing of the aerial lift basket.