Deadly rescue: The confined space hazard

Suruda, Anthony; Pettit, Ted; Noonan, Gary; Ronk, Richard M.

doi:10.1016/0304-3894(93)e0051-3

Cited by 19 publications

(9 citation statements)

References 7 publications

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“…The means used to reduce the risks were therefore poorly adapted or even non-existent. Nor was any rescue plan in place on the work premises, which partly explains why 15% of the individuals who died during the events documented (6) were attempting an improvised rescue (Suruda et al, 1994).…”

Section: Improvised Interventionsmentioning

confidence: 99%

Occupational safety during interventions in confined spaces

et al. 2015

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Section: Improvised Interventionsmentioning

confidence: 99%

Occupational safety during interventions in confined spaces

et al. 2015

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“…Lack of uniform coding schemes or definitions for confined space accidents among countries creates inconsistencies in confined space–related statistics. Difficulties in the collation of figures from different regulatory authorities likely result in understated statistics [10], [11], [6].…”

Section: Introductionmentioning

confidence: 99%

“…Other studies, using the National Traumatic Occupational Fatalities and Fatality Assessment and Control Evaluation databases, reported 803 deaths occurred during 1980–1988 in 681 confined space accidents. About 25.5% of fatalities were rescuers [10].…”

Section: Introductionmentioning

confidence: 99%

“…The role of inadequate risk assessment and challenge with the identification of confined workspaces [11], [17], [18], [19], [2], [9], causing inadequate risk management [11], and lack of awareness about the presence and risk of confined spaces are highlighted in studies [20]. Furthermore, not adhering to safety protocols, competency issues, inadequacies relating to supervision, subcontractor management, specific training, work procedures [e.g., permit-to-work (PTW) system], improper respirator use, lack of personal protective equipment (PPE), and not using PPE by the casualty have been addressed to be other causal factors as well [10], [18], [3]. In addition, Selman et al [11] pointed out the risk takers who are aware of potential risks of entry, but enter the confined spaces for the benefits of completing a task, to be an additional causal factor of the accident.…”

Section: Introductionmentioning

confidence: 99%

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Exploring the Contributory Factors of Confined Space Accidents Using Accident Investigation Reports and Semistructured Interviews

Naghavi

Mortazavi

Asilian

et al. 2019

Safety and Health at Work

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Background The oil and gas industry is one of the riskiest industries for confined space injuries. This study aimed to understand an overall picture of the causal factors of confined space accidents through analyzing accident reports and the use of a qualitative approach. Methods Twenty-one fatal occupational accidents were analyzed according to the Human Factors Analysis and Classification System approach. Furthermore, thirty-three semistructured interviews were conducted with employees in different roles to capture their experiences regarding the contributory factors. The content analyses of the interview transcripts were conducted using MAXQDA software. Results Based on accident reports, the largest proportions of causal factors (77%) were attributed to the organizational and supervisory levels, with the predominant influence of the organizational process. We identified 25 contributory factors in confined space accidents that were causal factors outside of the original Human Factors Analysis and Classification System framework. Therefore, modifications were made to deal with factors outside the organization and newly explored causal factors at the organizational level. External Influences as the fifth level considered contributory factors beyond the organization including Laws, Regulations and Standards, Government Policies, Political Influences, and Economic Status categories. Moreover, Contracting/Contract Management and Emergency Management were two extra categories identified at the organizational level. Conclusions Preventing confined space accidents requires addressing issues from the organizational to operator level and external influences beyond the organization. The recommended modifications provide a basis for accident investigation and risk analysis, which may be applicable across a broad range of industries and accident types.

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“…Accidents do happen sometime in these areas and usually involve human fatalities or death. The Occupational Safety and Health Administration (OSHA) and National Institute of Occupational Safety and Health (NIOSH) state that the presence of atmospheric hazards in confined space are serious environmental problem that threatens the industry operation and safety of the workers [2].…”

Section: Introductionmentioning

confidence: 99%

Development of Application Specific Electronic Nose for Monitoring the Atmospheric Hazards in Confined Space

Bakar¹,

Abdullah²,

Saad³

2019

Adv. sci. technol. eng. syst. j.

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The presence of atmospheric hazards in confined space can contribute towards atmospheric hazards accidents that threaten the worker safety and industry progress. To avoid this, the environment needs to be observed. The air sample can be monitored using the integration of electronic nose (e-nose) and mobile robot. Current technology to monitor the atmospheric hazards is applied before entering confined spaces called pre-entry by using a gas detector. This work aims to develop an instrument to assist workers during pre-entry for atmosphere testing. The developed instrument using specific sensor arrays which were identified based on main hazardous gasses effective value. The instrument utilizes multivariate statistical analysis that is Principal Component Analysis (PCA) for discriminate the different concentrations of gases. The Support Vector Machine (SVM) and Artificial Neural Network (ANN) that is Radial Basis Function Neural Network (RBFNN) are used to classify the acquired data from the air sample. This will increase the instrument capability while the portability will minimize the size and operational complexity as well as increase user friendliness. The instrument was successfully developed, tested and calibrated using fixed concentrations of gases samples. The results proved that the developed instrument is able to discriminate an air sample using PCA with total variation for 99.42%, while the classifier success rate for SVM and RBFNN indicates at 99.28% for train performance and 98.33% for test performance. This will contribute significantly to acquiring a new and alternative method of using the instrument for monitoring the atmospheric hazards in confined space.

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Deadly rescue: The confined space hazard

Cited by 19 publications

References 7 publications

Occupational safety during interventions in confined spaces

Occupational safety during interventions in confined spaces

Exploring the Contributory Factors of Confined Space Accidents Using Accident Investigation Reports and Semistructured Interviews

Development of Application Specific Electronic Nose for Monitoring the Atmospheric Hazards in Confined Space

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