2015-08-01 12:00 - Messages

Occupational safety during interventions in confined spaces

The aim of this study was to examine how organizations in Quebec manage risks associated with confined space interventions. Fatal work accidents that occurred in confined spaces in Quebec between 1998 and 2011 were therefore studied using the database of the provincial workers' compensation board. Thirty-two accident investigation reports involving 40 fatalities were obtained for the target period. The risk factors studied were the time of year, type of accident, and management and design problems. The risk management practices of 15 Quebec organizations were also analyzed through semi-structured interviews and observation of confined space interventions. Organizations with different profiles were chosen to cover a wide range of confined spaces and work situations. With respect to the regulatory in force in Quebec and based on the Canadian standard on the management of work in confined spaces, the organizations visited neglected the following points, in terms of both prescribed directives and actual practices: (i) management of subcontractors, (ii) auditing how risk reduction means are used, and (iii) integration of prevention through design. The lack of guidelines limited the real effectiveness of measures pertaining to training, rescue, use of certain control measures, and the preparation of entry permits. Given the complexity and diversity of the work involved in the issuance of permits, uncertainties during their preparation can lead to poor risk assessment and eventually to inadequate risk reduction measures. This article therefore proposes an entry permit consolidating all the information needed to prepare for entry, as well as recommendations regarding the aforementioned challenges.

Source: Burlet-Vienney D, Chinniah Y, Bahloul A, Roberge B. Safety Sci. 2015; 79, p. 19-28.
http://dx.doi.org/10.1016/j.ssci.2015.05.003

Aviation-Related Wildland Firefighter Fatalities

United States, 2000–2013
Airplanes and helicopters are integral to the management and suppression of wildfires, often operating in high-risk, low-altitude environments. To update data on aviation-related wildland firefighting fatalities, identify risk factors, and make recommendations for improved safety, CDC's National Institute for Occupational Safety and Health (NIOSH) analyzed reports from multiple data sources for the period 2000–2013. Among 298 wildland firefighter fatalities identified during 2000–2013, 78 (26.2%) were aviation-related occupational fatalities that occurred during 41 separate events involving 42 aircraft. Aircraft crashes accounted for 38 events. Pilots, copilots, and flight engineers represented 53 (68%) of the aviation-related fatalities. The leading causes of fatal aircraft crashes were engine, structure, or component failure (24%); pilot loss of control (24%); failure to maintain clearance from terrain, water, or objects (20%); and hazardous weather (15%). To reduce fatalities from aviation-related wildland firefighting activities, stringent safety guidelines need to be followed during all phases of firefighting, including training exercises. Crew resource management techniques, which use all available resources, information, equipment, and personnel to achieve safe and efficient flight operations, can be applied to firefighting operations.

Source: http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6429a4.htm?s_cid=mm6429a4_e

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