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Electrical injuries in the US mining industry, 2000-2009.

Authors
Homce-GT; Cawley-JC
Source
Trans Soc Min Metal Explor 2014 Mar; 334:367-375
NIOSHTIC No.
20045315
Abstract
The U.S. National Institute for Occupational Safety and Health (NIOSH) Office of Mine Safety and Health Research (OMSHR) conducted a study of mining industry electrical injuries reported to the U.S. Mine Safety and Health Administration (MSHA) for the years 2000 to 2009. The findings of that study are detailed in this paper, and serve to characterize the circumstances surrounding electrical injuries and identify causal factors. The study included three tasks: 1) a direct review of mining industry occupational injury data compiled by MSHA, 2) interpretation of the narrative descriptions available for the injuries (from MSHA data) and 3) a separate examination of fatal electrical injuries. Eight-hundred sixty-five electrical injuries were reported during the 10-year period studied, with 39 of those being fatalities. This makes electrical injuries disproportionately fatal with respect to most other types of injuries in mining. Electrical injury rates were higher in coal mining than noncoal mining and, within the coal sector, rates were higher in underground operations than in surface operations. Of the 865 total cases, electrical and machine maintenance or repair activities were involved in 580 (69%), and electricians and mechanics were injured in 362 cases (42%). Of the 39 fatal electrical injuries, 27 (69%) involved electrical maintenance or repair work, and in 21 of these 27 cases, the failure to de-energize, lock-out and tag the circuit was the cause or a contributing factor. Also, contractor employees had a much greater chance of an electrical injury being fatal than did mine operator employees. The top three root causes for fatal electrical injuries were 1) no or inadequate lock-out and tagging, 2) failure of power system components and 3) contact of overhead electrical power lines by mobile equipment.
Keywords
Mining-industry; Electrical-hazards; Electrical-systems; Electricity; Injuries; Miners; Traumatic-injuries; Mortality-rates; Morbidity-rates; Coal-mining; Coal-miners; Maintenance-workers; Mechanics; Electrical-shock; Electrical-workers; Author Keywords: Health and safety; Electrical injuries; MSHA
CODEN
TMENAE
Publication Date
20140301
Document Type
Journal Article
Editors
Wortman-Wunder-E
Fiscal Year
2014
NTIS Accession No.
NTIS Price
ISBN No.
9781629938530
Identifying No.
M112014
ISSN
1075-8623
NIOSH Division
OMSHR
Priority Area
Mining
Source Name
Transactions of the Society for Mining, Metallurgy, and Exploration
State
PA
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