Mobile Equipment Warning Signal Detection in Noise

6/26/01


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Table of Contents

Mobile Equipment Warning Signal Detection in Noise

PROBLEM

SOME STATISTICS

SOME STATISTICS

Examples of accidents involving mobile vehicles

Examples of accidents involving forklifts

POTENTIAL CAUSES

High levels of ambiant noise

PREVALENCE OF NIHL

Worker ’s attention demand and perception

Worker’s attention demand and perception

Inadequate placement of reverse alarms

Deficient acoustic features

Axis positions behind the heavy vehicles

Positions of the alarm on a grader

Variations in sound pressure levels at the rear of a grader

Sound wave reflections

Hearing protection

Recommendations

Recommendations (cont’d)

Author: P. POIRIER

Email: jmyers@aiha.org

Home Page: http://www.aiha.org

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