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No. of bitstreams: 1 ALEX_LEAL_DE_OLIVEIRA_TESE_PPGCTS.pdf: 1737911 bytes, checksum: 564a373a2b7fd71b65d68067a0c4fa6e (MD5) Previous issue date: 2016-09-22 / Dentre os diversos riscos ocupacionais existentes no ambiente laboral das Unidades de Beneficiamento de Sementes (UBS) de soja, destaca-se o ruído. Este é produzido pelo maquinário de beneficiamento, sendo a principal fonte geradora o separador de espiral. O presente trabalho teve como objetivo o estudo do Nível de Pressão Sonora (NPS) emitido pelo separador de espiral e a identificação de medidas que permitam a atenuação e convivência com o ruído originário do funcionamento do equipamento. Primeiramente, foi feito um estudo através de mapa de ruído sobre o funcionamento dos separadores de espiral no interior de uma edificação de referência localizada no estado do Rio Grande do Sul, que foi avaliada in loco, considerando as suas características construtivas e disposição de maquinário na UBS. O conjunto de espirais também esteve submetido à avaliação em condição de campo livre para determinação da distância de segurança sonora. Para a realização das avaliações foi utilizado um medidor de NPS posicionado em pontos de leitura previamente estabelecidos. Identificou-se que o separador de espiral não está de acordo com a legislação vigente relacionada à saúde e segurança do trabalho para os parâmetros de emissão de ruído. É possível a adoção de escala colorimétrica e mapas de ruído para determinação de áreas de insegurança sonora, para identificação da necessidade de pagamentos de insalubridade e para a seleção de EPIs na operação do separador de espiral aberto. A emissão de ruído observada em campo livre tende a formação de onda omnidirecional com área de segurança sonora iniciada aos 8m de afastamento do equipamento. Na segunda etapa do trabalho foram identificados os requisitos de clientes para o desenvolvimento de separador de espiral mais seguro. Participaram do levantamento das necessidades de clientes, profissionais ligados ao setor sementeiro que apontaram as principais necessidades de melhoria em seis itens (operação, transporte, manutenção, segurança, eficiência ambiental e aparência). Os requisitos de clientes permitem a relação com os requisitos de produto (levantados pelos fabricantes) por meio do QFD para o desenvolvimento de separador de espiral mais seguro que considere, além do ruído, o trabalho em altura e substituição de partes cortantes. Por fim, foi elaborado um material instrucional em linguagem quadrinizada sobre a convivência com o ruído ocupacional para operadores de UBS. / Among the various occupational hazards in the working environment of Seed Conditioning Plants (SCP) of soybeans, stands out noise. This is produced by the processing machinery, and the spiral separator is the main source. This work aimed to study the Sound Pressure Level (SPL) issued by the spiral separator and the identification of measures that enable attenuation and coexistence with the original noise operation of the equipment. Firstly, a study was done by map noise on the operation of spiral separators inside a reference building in the state of Rio Grande do Sul, which was evaluated in situ, considering their construction and machinery position in the SCP. The set of spirals was also subjected to evaluation in free field conditions to determine the sound safety distance. For the evaluations it was used a SPL meter positioned on previously established reading points. It was identified that the spiral separator is not in full accordance with current legislation relating to health and safety, for noise emission parameters. It is possible to adopt colorimetric scale and noise maps for determining areas of insecurity sound to identify the need for unsanitary payment and selection of PPEs in the operation of the open spiral separator. Concerning noise emission observed in the open field, this tends to training omnidirectional wave with sound security area starting to 8m of distance from the equipment. In the second stage of the study, customer requirements were identified for the development of safer spiral separator. Participated in the survey of customer needs, professionals linked to the seed sector that pointed out the major improvement needs in six items (operation, transportation, maintenance, safety, environmental efficiency and appearance). The clients requirements identified enable relation with product requirements (raised by each manufacturer) through the QFD matrix for the development of safer spiral separator that consider, besides noise, working at height and replacement of cutting parts. Finally, was designed an instructional comics material language about living with the occupational noise for SCP operators.

This study explores conceptualizations of transnational corporate accountability in the responses of Canadian organizations to a crisis in global capitalism. Empirically this study focuses on discussion and debate concerning the involvement of Canadian retail companies in the Rana Plaza disaster, which killed over 1,100 Bangladeshi garment workers on 24 April 2013. Information was drawn from Canadian Parliamentary Committee sessions, documents published by Canadian retail companies, governmental departments and civil society organizations, and nine semi-structured interviews with individuals possessing professional knowledge about corporate governance in global supply chains. A critical discourse analysis method, theoretically informed by the corporate crime literature, Gramsci’s concept of hegemony and Foucault’s notion of knowledge and power, examined the economic, political, and legal assumptions that characterized discussions about transnational corporate crime and accountability. Overall, dominant voices reinforced neoliberal beliefs about the effectiveness of allowing corporations to develop and implement their own means of transnational regulation. Claims describing the social benefits of free markets and flexible regulatory regimes overshadowed concerns about the dangerous and exploitive practices inherent in the production of private capital, which effectively reproduced the (de)regulation of multinational corporations.

The master's thesis deals with the design of a press, which will be part of a robotic workplace. This workplace is designed for a company operating as a subcontractor for the automotive industry, for which automation is one of the most important processes of development and increasing labor productivity. The robotized cell is part of a line for heat treatment of plastic tube semi-finished products. The cell itself is used to press the conical extension of the pipe ends using a steel mandrel. In order to manipulate the parts, the corresponding end effectors of robots are designed in the work, which safely load and remove parts from the automated press. Design and control calculations are supplemented by finite element strength analysis in Solidworks. A drawing documentation is also made in this program. The work is performed with regard to the requirements of technologists and the quality department.

Sexual harassment has significant adverse psychological and physical effects on employees and can negatively impact the workplace, and overall business operations. A gap in current research was identified concerning whether the employee's sex affects employee's perceived workplace sexual harassment climate, sexual harassment experience, and perceived safety from sexual harassment. This study examined the effects of employee workplace sexual harassment experience and perception of workplace sexual harassment psychological climate on employee's perceived safety from sexual harassment moderated by sex. Results showed that perceived workplace sexual harassment climate and employee workplace sexual harassment experience were both significant predictors of perceived safety from sexual harassment. Additionally, the findings revealed that for both men and women, high intolerance for sexual harassment and low employee sexual harassment experience were significantly associated with increased perceived safety from sexual harassment. When perceived workplace sexual harassment climate and employee sexual harassment experience were observed together, only perceived workplace sexual harassment climate was associated with increased perceived safety from sexual harassment. Further research into diverse populations and anti-harassment programming's impact on perceived safety may provide further insights. The findings from this study could assist decision-makers in organizations to promote better physical, psychological, and emotional security in the workplace. Therefore, reducing sexual harassment in the workplace would promote positive social change by reducing the number of adverse events affecting individuals, businesses, and society.

Work-related injuries and illnesses may lead to absenteeism, which affects the level of productivity. The purpose of this study was to determine the success of an employee workplace training program on work-related injury and illness rates at selected federal districts within a federal organization. Newman's model, which describes internal and external factors that may have an effect on an individual's health, was the framework that guided this project. A pre-post design was used to compare data from 2 publically available data sets, the Occupational Safety and Health Administration Illness and Injury and the Voice of the Employee Survey, for the years 2013 and 2014, before and after a wellness training program. According to a descriptive analysis of 91 illness and injury events that occurred during the 2-year period, the greatest number of employees who reported illnesses were mail handlers and mail processing clerks. Slips/trips and falls, strikes by machine/equipment or other objects, and repetitive motion were the top 3 types of injuries. After training, the total number of illness and injury days away from work and days of limited duty were decreased, indicating a positive impact of this workplace wellness program and a need for future training for these workers. This project has the potential to affect social change by supporting the benefits of workplace wellness in improving employee health and reducing workplace injuries at federal agencies.

The aim of this diploma thesis is to design a cell for robotic arc welding of steel frame. Three possible solutions are provided and one of them is to be chosen to work out. Construction designs of fixture, machine guarding and material racks were created and devices and components required for cell functionality were chosen. All of that with regard to the safety of workplace operators.The result is 3D model of welding cell, it´s implementation and virtual commissioning in the simulation software Process simulate. We will verify the weldability of assigned part, find out the production cycle, eliminate error and lastly the technical and economic evaluation will be work out.

This thesis consists of a technological project of the production hall realization in Litomyšl. The main part of the project is a building schedule and a financial plan of the construction itself. Moreover thesis consists of a building site equipment design, construction machinery needed for building and a workplace safety plan. The process of selected realization parts are described in the technological manual and the quality control and inspection plan.

Master´s Thesis describes the realization setup procedure of factory building in Rokycany. Building has precast concrete skeleton based on in-situ concrete piles. Document consists of concept of site accommodation, sizing of building machines, time schedule, technological rules and constraints for the chosen technological processes and plan of workplace safety and health.

No description available.

Workplace safety, particularly in manual handling tasks, is a critical concern that hasbeen increasingly addressed using advanced risk assessment tools. However, pre-senting the complex results of these assessments in an easily digestible format re-mains a challenge. This thesis focused on designing and developing a user-friendlyweb application to visualise risk assessment data effectively. Grounded in a robusttheoretical framework that combines user experience principles, and data visualisa-tion techniques. The study employed an iterative, user-centric design process to de-velop the web application. Multiple visualisation methods, such as pie charts for vis-ualising risk distribution, bar chart, and line chart for time-based analysis, were eval-uated for their effectiveness through usability testing. The application's primary con-tribution lies in its efficient data visualisation techniques, aimed at simplifying com-plex datasets into actionable insights. This work lays the groundwork enabling futuredevelopment by pinpointing areas for improvement like enhanced interactivity andaccessibility. / Belastningsergonomiska risker i arbetsmiljön, särskilt i uppgifter som involverarmanuell hantering, är en kritisk fråga som alltmer har adresserats med hjälp av avan-cerade riskhanteringsverktyg. Men att presentera de komplexa resultaten av dessabedömningar i ett lättillgängligt format kvarstår som en utmaning. Denna avhand-ling fokuserade på att designa och utveckla en användarvänlig webbapplikation föratt effektivt visualisera riskbedömningsdata. Studien bygger på en robust teoretiskram och kombinerar principer för användarupplevelse med datavisualiseringstekni-ker. Webbapplikationen har utvecklats med hjälp av en iterativ och användarcentre-rad designprocess. Flera visualiseringsmetoder, såsom cirkeldiagram för att visuali-sera riskfördelning, stapeldiagram och linjediagram för tidsbaserad analys, utvärde-rades för deras effektivitet genom användningstester och utvärderingsformulär. Ap-plikationens primära bidrag ligger i dess effektiva datavisualiseringstekniker, somsyftar till att förenkla komplex information till handlingsbara insikter. Detta arbetelägger grunden och möjliggör framtida utveckling genom att peka ut områden förförbättring, som förbättrad interaktivitet och tillgänglighet.