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Mining Publication: Mine Roof Bolting Machine Safety: Investigation of Roof Bolter Boom Swing Velocity
Keywords: Bolters Equipment accidents Fixed or awkward postures Moving objects
Original creation date: February 2010
Authors: JP DuCarme, AJ Kwitowski
Information Circular - February 2010
Download PDF Document (0.91 MB)
NIOSHTIC2 Number: 20036714
Pittsburgh, PA: U. S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2010-126, IC 9519, 2010 Feb; :1-35
An analysis of accident/injury data for 2001 through 2005 from the Mine Safety and Health Administration (MSHA) revealed that powered machinery accounted for nearly 40% of the total underground coal injuries reported and 62% of all fatalities. Underground coal miners work in an environment with limited space for lateral movement and in awkward postures, including kneeling on one or both knees. During informal discussions, MSHA and the United Mine Workers of America expressed concerns about the velocity of appendages on machines used in such environments. This report describes a study of operator movement relative to the motion of a roof bolting machine boom arm. This work was aimed at reducing the risk of injury to underground coal mine workers from moving machinery. The study used motion capture technology to evaluate human movement in restricted heights and postures while controlling a mockup of a roof bolter boom. Results suggest that boom horizontal swing velocity is an important factor in determining operator safety from pinch point and crush hazards during the boom positioning phase of the bolting sequence. The working height where the machine is operating, the operator's working posture, and the direction of the swing, toward or away from the operator, are also important in determining safe boom velocity.
Image of publication Mine Roof Bolting Machine Safety: Investigation of Roof Bolter Boom Swing VelocityInformation Circular - February 2010
Download PDF Document (0.91 MB)
NIOSHTIC2 Number: 20036714
Pittsburgh, PA: U. S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2010-126, IC 9519, 2010 Feb; :1-35
See Also
Analyzing Factors Influencing Struck-By Accidents of a Moving Mining Machine by Using Motion Capture and DHM Simulations
Characteristics of Gait in Restricted Vertical Space Versus Unrestricted Walking
Developing Random Virtual Human Motions and Risky Work Behaviors for Studying Anthropotechnical Systems
Effects of Lifting in Four Restricted Postures
Machine Injury Prediction by Simulation Using Human Models
Mining Roof Bolting Machine Safety: A Study of the Drill Boom Vertical Velocity
Motion Editing and Reuse Techniques and Their Role in Studying Events Between a Machine and its Operator
Roof Screening: Best Practices and Roof Bolting Machines
A Simulation Approach Analyzing Random Motion Events Between a Machine and its Operator
Verification and Validation of Roof Bolter Simulation Models for Studying Events Between a Machine and its Operator
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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