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Publication
Trabalho solitário: análise de tecnologias aplicadas à segurança e saúde no trabalho numa siderúrgica
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| 24.61 MB | Adobe PDF |
Advisor(s)
Abstract(s)
Em contextos industriais de elevado risco, como o setor siderúrgico, a proteção de trabalhadores que desempenham funções em regime de isolamento operacional representa um desafio crítico. Este trabalho teve como objetivo principal analisar a aplicação de tecnologias de monitorização para reforçar a segurança e saúde no trabalho (SST) de profissionais em situações de trabalho solitário, numa unidade industrial do Grupo XPTO. A questão de investigação orientadora centrou-se em saber: como podem as tecnologias de monitorização contribuir para a mitigação dos riscos associados ao trabalho solitário em ambiente siderúrgico? Para tal, foram definidos os seguintes objetivos específicos: (i) identificar e caracterizar os postos de trabalho solitário na organização em estudo; (ii) identificar e analisar soluções tecnológicas de monitorização com potencial aplicação à SST em contexto solitário; (iii) realizar um estudo comparativo dessas soluções; (iv) elaborar um plano de implementação; (v) aplicar experimentalmente algumas dessas soluções; e (vi) avaliar o impacto da intervenção. A investigação baseou-se numa abordagem de investigação-ação, envolvendo métodos qualitativos e quantitativos. Foram utilizadas técnicas como observação participante, análise documental, consulta a fornecedores, aplicação de dois questionários (antes e após a intervenção) e análise descritiva dos dados obtidos. Entre as tecnologias analisadas, destacaram-se palmilhas inteligentes, relógios com botão de emergência, detetores de gases e dispositivos de alarme para trabalhadores isolados. Foram testadas duas soluções: o detetor multigás MSA Altair iO4, com alarme de “homem caído”, e o TWIG One EX, com alerta automático e geolocalização. A implementação permitiu melhorar a perceção de segurança e a capacidade de resposta em emergências, embora tenham sido identificadas limitações de conectividade e resistências iniciais. Conclui-se que o sucesso destas soluções depende da sua adequação técnica, da formação contínua e de uma cultura organizacional orientada para a prevenção.
In high-risk industrial environments, such as the steel sector, protecting workers performing tasks in operational isolation represents a critical challenge. This study aims to analyse the application of monitoring technologies to enhance occupational health and safety (OHS) for professionals in lone working situations within an industrial unit of the XPTO Group. The guiding research question was: how can monitoring technologies contribute to mitigating the risks associated with lone working in the steel industry? To address this, the following specific objectives were defined: (i) to identify and characterise lone working positions within the organisation under study; (ii) to identify and analyse monitoring technologies with potential OHS applications in isolated contexts; (iii) to conduct a comparative study of these solutions; (iv) to develop an implementation plan; (v) to experimentally apply selected solutions; and (vi) to assess the impact of the intervention. The research followed an action-research approach, combining qualitative and quantitative methods. Techniques included participant observation, document analysis, supplier consultation, and the application of two questionnaires (before and after the intervention), with descriptive analysis of the data collected. Among the technologies examined were smart insoles, emergency-alert watches, gas detectors, and dedicated lone worker alarm devices. Two solutions were tested: the MSA Altair iO4 multi-gas detector, equipped with a man-down alarm, and the TWIG One EX device, featuring automatic alerts and geolocation. Their implementation improved safety perception and emergency response capacity, although connectivity issues and initial user resistance were noted. The findings suggest that successful integration of these technologies depends not only on technical adequacy but also on continuous training and an organisational culture focused on prevention.
In high-risk industrial environments, such as the steel sector, protecting workers performing tasks in operational isolation represents a critical challenge. This study aims to analyse the application of monitoring technologies to enhance occupational health and safety (OHS) for professionals in lone working situations within an industrial unit of the XPTO Group. The guiding research question was: how can monitoring technologies contribute to mitigating the risks associated with lone working in the steel industry? To address this, the following specific objectives were defined: (i) to identify and characterise lone working positions within the organisation under study; (ii) to identify and analyse monitoring technologies with potential OHS applications in isolated contexts; (iii) to conduct a comparative study of these solutions; (iv) to develop an implementation plan; (v) to experimentally apply selected solutions; and (vi) to assess the impact of the intervention. The research followed an action-research approach, combining qualitative and quantitative methods. Techniques included participant observation, document analysis, supplier consultation, and the application of two questionnaires (before and after the intervention), with descriptive analysis of the data collected. Among the technologies examined were smart insoles, emergency-alert watches, gas detectors, and dedicated lone worker alarm devices. Two solutions were tested: the MSA Altair iO4 multi-gas detector, equipped with a man-down alarm, and the TWIG One EX device, featuring automatic alerts and geolocation. Their implementation improved safety perception and emergency response capacity, although connectivity issues and initial user resistance were noted. The findings suggest that successful integration of these technologies depends not only on technical adequacy but also on continuous training and an organisational culture focused on prevention.
Description
Keywords
Trabalho solitário Segurança e Saúde no Trabalho Monitorização tecnológica Indústria siderúrgica Prevenção de riscos Lone working Occupational Health and Safety Monitoring technologies Steel industry Risk prevention