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Price: EUR 250.00Authors: Braga, Camila Soares | Rodrigues, Valéria Antônia Justino | Campos, Julio César Costa | de Souza, Amaury Paulo | Minette, Luciano José | de Moraes, Angêlo Casali | Sensato, Guilherme Luciano
Article Type: Research Article
Abstract: The Brazilians educational institutions need a large energy demand for the operation of laundries, restaurants and accommodation of students. Much of that energy comes from steam generated in boilers with wood fuel. The laboral activity in boiler may present problems for the operator’s health due to exposure to excessive heat, and its operation has a high degree of risk. This paper describes an analysis made the conditions of thermal environment in the operation of a B category boiler, located at a Higher Education Institution, located in the Zona da Mata Mineira The equipments used to collect data were Meter WBGT …of the Heat Index; Meter of Wet Bulb Index and Globe Thermometer (WBGT); Politeste Instruments, an anemometer and an Infrared Thermometer. By the application of questionnaires, the second phase consisted of collecting data on environmental factors (temperature natural environment, globe temperature, relative humidity and air velocity). The study concluded that during the period evaluated, the activity had thermal overload. Show more
Keywords: thermal comfort, occupational disease, boiler
DOI: 10.3233/WOR-2012-0198-470
Citation: Work, vol. 41, no. Supplement 1, pp. 470-475, 2012
Authors: da Silva, M. Pereira | Pruffer, C. | Amaral, F.G.
Article Type: Research Article
Abstract: Many authors studied work situations and, mainly, ergonomics projects concerning the financial benefit point of view. At the same time seems to be little information available concerning these financial benefits in manufacturing companies’ processes. The aim of this article is to identify if there enough information available within a company to quantify the financial benefits of an ergonomic project. The study was applied on two manufacturing companies, one in Brazil and other in Portugal. A literature review based checklist and a manager interview was applied on each company in order to identify if the information was available and how were …been used. The two companies have revealed a good quantity of available information regarding ergonomics benefit calculation. The interviews showed that managers are not aware of the financial savings possibility with investments in ergonomics projects. Show more
Keywords: ergonomics, project, financial benefits, information
DOI: 10.3233/WOR-2012-0199-476
Citation: Work, vol. 41, no. Supplement 1, pp. 476-483, 2012
Authors: Ugbebor, J. N. | Adaramola, S. S.
Article Type: Research Article
Abstract: The effectiveness of ergonomics application is achieved in the course of this research by reviewing ergonomics literature, internet searches and case studies of a number of work related musculoskeletal disorders (WMSD’s) and other ergonomic related workplace incidence rate. The results of ergonomic intervention control measures such as engineering controls, administrative controls and personnel protective equipment were also studied. The findings in this paper may help to development model for analysing and solving ergonomic problems in the workplace. It concludes on the need for management to support ergonomics intervention programme for effective cost saving, litigation avoidance and better productivity.
Keywords: Risk Factors, Intervention, Management Review and Control Measure
DOI: 10.3233/WOR-2012-0200-484
Citation: Work, vol. 41, no. Supplement 1, pp. 484-486, 2012
Authors: Silveira, Dierci Marcio
Article Type: Research Article
Abstract: In Human Factors and Ergonomics Science (HFES), it is difficult to identify what is the best approach to tackle the workplace and systems design problems which needs to be solved, and it has been also advocated as transdisciplinary and multidisciplinary the issue of “How to solve the human factors and ergonomics problems that are identified?”. The proposition on this study is to combine the theoretical approach for Sustainability Science, the Taxonomy of the Human Factors and Ergonomics (HFE) discipline and the framework for Evidence-Based Medicine in an attempt to be applied in Human Factors and Ergonomics. Applications of ontologies are …known in the field of medical research and computer science. By scrutinizing the key requirements for the HFES structuring of knowledge, it was designed a reference model, First, it was identified the important requirements for HFES Concept structuring, as regarded by Meister. Second, it was developed an evidence-based ergonomics framework as a reference model composed of six levels based on these requirements. Third, it was devised a mapping tool using linguistic resources to translate human work, systems environment and the complexities inherent to their hierarchical relationships to support future development at Level 2 of the reference model and for meeting the two major challenges for HFES, namely, identifying what problems should be addressed in HFE as an Autonomous Science itself and proposing solutions by integrating concepts and methods applied in HFES for those problems. Show more
Keywords: Ergonomics Modeling, Evidence, Taxonomy, Ontology, Validity
DOI: 10.3233/WOR-2012-0201-487
Citation: Work, vol. 41, no. Supplement 1, pp. 487-495, 2012
Authors: Mhamdi, A. | Ben Amor, A. | Amri, A. | Youssef, I. | Ladhari, N. | Gharbi, R.
Article Type: Research Article
Abstract: The purpose of this paper is to present an ergonomic evaluation of a situation of co-exposure to solvents and noise in a flexible packaging printer. We discuss how such an approach carried out in the field of printing industry work has made it possible to highlight serious shortcomings in the effectiveness of the prevention actions that are supposed to protect workers from chemicals risks and noise. The ergonomic analysis identified a strain working conditions. Indeed, some jobs expose to noise and toxic risk. Lamination operations, winding and cutting are purveyors of noise. Some physical and spatial factors contribute to amplify …the toxic risk. The not wearing of personal protective equipment (PPE) by the operators maybe explained by the fact that it doesn’t any possibility to do “otherwise”. Indeed, operators adopt a compromise to achieve the objectives of production to the detriment of their health and safety. These constraints are causing gene and psychosocial factors. The interviews revealed a state of psychosis in the workshop, which was accentuated by the reclassification of an operator which has created a climate of panic and anxiety especially for older operators who have more than 20 years exposed to handling of toxic and more exposure to high noise level. Show more
Keywords: ergonomic analysis “ergotoxicology”, “co-exposure”, “noise”, “solvent”
DOI: 10.3233/WOR-2012-0202-496
Citation: Work, vol. 41, no. Supplement 1, pp. 496-502, 2012
Authors: Brioschi, Marcos Leal | Okimoto, Maria Lúcia Leite Ribeiro | Vargas, José Viriato Coelho
Article Type: Research Article
Abstract: Infrared imaging has been used to visualize superficial temperatures in industrial employers standing and working in an indoor environment at 22°C. Temperature distributions and changes have been recorded digitally and analyzed. Mean skin temperatures determined by this method have been compared with superficial temperatures obtained with a probe thermocouple. During working hours, surface temperatures were higher over extensor muscles than over other structures and their spatial distributions differed dramatically from those observed before working hours. The authors also analyzed the cold water immersion of the hands during work. This paper showed that working generates different thermal effects on human skin …that reflect physiological and pathological occupational conditions and can be monitored by infrared imaging. Show more
Keywords: Ergonomics, Infrared image, Occupational disease
DOI: 10.3233/WOR-2012-0203-503
Citation: Work, vol. 41, no. Supplement 1, pp. 503-509, 2012
Authors: Ruddy, Facci | Eduardo, Marcatto | Edoardo, Santino
Article Type: Research Article
Abstract: The Authors make a detailed analysis of the introduction of the OCRA Methodology in Brazil that started in August 2008 with the launching of the “OCRA Book” translated to Portuguese. They evaluate the importance of the assessment of the exposure of the upper limbs to the risk due to repetitive movements and efforts, according to the national and international legislation, demonstrating the interconnection of the OCRA Methodology with the Regulating Norms of the Ministry of Labor and Work (NRs – MTE), especially with the NR-17 and its Application Manual. They discuss the new paradigms of the OCRA Method in relation …to the classic paradigms of the ergonomic knowledge. They indicate the OCRA Method as the tool to be used for the confirmation or not of the New Previdentiary Epidemiologic Nexus NTEP/FAP. The Authors present their conclusions based on the practical results the “participants certified by the OCRA Methodology” achieved in the application on different laboral activities in diverse economic segments, showing the risk reduction and the productivity of the companies. Show more
Keywords: ergonomics, work-related musculoskeletal disorders, risk assessment x repetitive movements
DOI: 10.3233/WOR-2012-0204-510
Citation: Work, vol. 41, no. Supplement 1, pp. 510-511, 2012
Authors: Sharan, Deepak | Ajeesh, P S
Article Type: Research Article
Abstract: Work-related musculoskeletal disorders (WMSD) are common in computer professionals worldwide. Studies have shown that there is an association between the working posture and the development of musculoskeletal disorders. The IT professionals are exposed to different awkward posture while working. Therefore, it is expected that workers may develop different kinds of musculoskeletal discomfort/pain. This study aimed at to find out the relationship between the musculoskeletal discomfort and the postural score. RULA was used for postural analysis. Results of the postural analysis revealed that 30% of the participant’s posture need to “modify soon” and 15% need to modify “immediately”. 78% of the …participants were using computer for more than 8 hours in a day. The major workstation risk factors were reported as improper keyboard height and mouse tray height (32%), improper monitor height (27%) and improper chair height (12%). Results also revealed a significant association between the regional body pain and the RULA score. Musculoskeletal pain was significantly associated with workstation keyboard/mouse surface (r=0.55) and duration of computer use (r=0.64). Intervention programme was recommended for the participant to modify the workstation and the working posture. Show more
Keywords: workstation Information, RULA, pain
DOI: 10.3233/WOR-2012-0205-512
Citation: Work, vol. 41, no. Supplement 1, pp. 512-515, 2012
Authors: Eyal, Levy | Ribak, Joseph | Badihi, Yehuda
Article Type: Research Article
Abstract: Goal - remote online ergonomic assessment in the office environment as compared to face-to-face ergonomic assessment and examination of the applicability of remote online ergonomic assessment to office workers. 40 employees from a large Israeli hi-tech company were ergonomically assessed per the University of California computer usage checklist, according to the two assessment types (face-to-face and remote). An additional Ergonomist “assessor 2” examined the credibility of the process. Results: Research hypothesis 1 was verified: 21 out of 22 questions (95.45%) from the checklist indicated compatibility between “assessor 1” to the “Gold Standard” at an 80% level. Research hypothesis 2: examining …the credibility between the assessors with regard to remote assessment. This hypothesis was partially verified, the correlation between the assessors was measured at 0.54. Research hypothesis 3: examining the extent of deviation of natural posture between distal body parts assessment (distant from the center of the body) and proximal body parts (close to the center of the body). This hypothesis was clearly verified. It has been proven that there is statistical significance between the results. Conclusions: The current research has proved that there is an additional method to assess musculoskeletal disorders risk factors remotely online at office environment. Show more
Keywords: work related musculoskeletal disorder (WRMSD), ergonomics postural assessment, remote assessment, online assessment, office ergonomics assessments
DOI: 10.3233/WOR-2012-0206-516
Citation: Work, vol. 41, no. Supplement 1, pp. 516-523, 2012
Authors: de Assis Lahoz, Manoela | Camarotto, João Alberto
Article Type: Research Article
Abstract: The measurement of performance is a current topic in the management of people in companies, used as a parameter of effectiveness of processes and operations of production. The methods and models of the indicators of current use in the production have concentrated in the assessment of people's performance as determinative resource of the organizational success in the search for the competitiveness. Associated with the classic indicators of performance assessment of the production proceeding, other indicators are used in the assessment of risks and hazards, however with methods focused in the tasks, without connection with the real work activity. The present …article explores literature on the models of performance measurement in use in companies and a field research to understand how companies interpret and use indicators that relate health and work, to direct future studies on the subject. Regarding the literature review, one can see that health indicators can be basically divided into two major groups: the legal and managerial indicators. When conducting case studies, it can be realized that companies do not have precisely the concept of health indicator, or were unable to define which of the indicators could be considered indicators of health, considering that absenteeism was the indicator mentioned by the four companies. Show more
Keywords: ergonomics, ambulatory complaints, absenteeism, frequency accidents
DOI: 10.3233/WOR-2012-0207-524
Citation: Work, vol. 41, no. Supplement 1, pp. 524-531, 2012
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