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Tree trimmer falls to his death as boom truck lift arm collapses in Iowa.

Authors
Anonymous
Source
NIOSH 2001 Dec; :1-4
NIOSHTIC No.
20028331
Abstract
During February 1999, a 62-year-old self-employed tree trimmer died after falling 35 feet from the bucket of a boom truck and landing on the frozen ground. The 2-piece hydraulic lift arm was in an extended vertical position when a hydraulic safety valve on the main hydraulic cylinder snapped off, causing the lift arm to collapse and the bucket to immediately fall to the ground. The victim rode with the bucket and was thrown out of the bucket after it hit the ground. The man died shortly thereafter from hepatic rupture and internal bleeding. Recommendations based on our investigation are as follows: 1. Hydraulic fittings should be designed to withstand the stress and fatigue encountered in normal use. 2. Engineering interventions should be developed to prevent boom lift fall in case of hydraulic failure.
Keywords
Region-7; Accident-analysis; Accident-prevention; Accidents; Injuries; Injury-prevention; Traumatic-injuries; Work-operations; Work-analysis; Work-areas; Work-performance; Work-practices; Safety-education; Safety-equipment; Safety-measures; Safety-monitoring; Protective-measures; Agricultural-industry; Agricultural-machinery; Agricultural-workers; Equipment-design; Equipment-reliability
Publication Date
20011201
Document Type
Field Studies; Fatality Assessment and Control Evaluation
Funding Type
Cooperative Agreement
Fiscal Year
2002
NTIS Accession No.
PB2007-107894
NTIS Price
A01
Identifying No.
FACE-00IA064; Cooperative-Agreement-Number-U60-CCU-708674
SIC Code
NAICS-56
Source Name
National Institute for Occupational Safety and Health
State
IA
Performing Organization
Iowa Department of Public Health
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