The conception of a product is closely tied to its adaptation level to the users. In this view, designers are increasingly oriented to survey the needs and features of the users. This paper aims at developing a diagnosis of employees working in high-complexity activities in a petrochemical company, in light of the physical and operating changes in the Integrated Center of Control; assessing the reception sensibility to changes; assessing the cognitive pattern of the group; and making suggestions that might eliminate or minimize the difficulties in the transition process of the change, in order to reduce the adaptation period. The field of study comprised 111 production, transfer and storage operators, forming 5 groups of desktop activities. The stages of the study followed the following flow: survey of the prescribed tasks and organizational structure; Concentrated Attention test; application of the Work and Disease Risks Inventory (ITRA, Portuguese acronym); and structured psychological interview. The ITRA results pointed to a serious cognitive cost (3.83) for all five groups, this being the largest intervention focus. The items: division of task contents (3.52), social professional relationships (2.93), quality of the physical environment (2.91), physical cost (3.24), emotional cost (2.71), freedom of expression (3.77), professional fulfillment (3.41); experience and suffering (2.75), lack of recognition (2.18) and physical injuries (2.07) were considered critical. Meanwhile, social damages (1.64) and psychological injuries (1.35) are bearable. As to the Concentrated Attention test, most workers registered average level. In the individual interviews, workers showed that larger involvement in the process of physical, organizational and operational change in the desktops and on field works was required, as well as the follow up of implementations, so as to reduce the adaptation process and prevent rework (furniture, equipment, noise, form of communication with the area and training for the changes). As a result of the findings handed to the management and returned to the workers, several actions were implemented on ergonomic non-conformities found in the analysis. It is possible to prove the importance of the insertion of cognitive and organizational ergonomics in the building projects of new facilities for high-complexity activities in petrochemical plants.
Organizational ergonomics refers to the optimization of social technical systems, including their organizational structures, policies and processes. The relevant topics include communications, management of resources, work projects, temporal organization of work, team work, participative project, new work paradigms, cooperative work, organizational culture, network organizations and quality management (IEA, 2000). The purpose of this study was the reorganization of the methods and processes of the occupational health sector (SMS/SO -Portuguese acronym of the area) of a petrochemical company. The work involved thirty professionals: a coordinator, two occupational physicians, one cardiologist, one occupational dentist, two occupational nurses, eleven occupational health technicians, one social worker, one nutritionist, one phonoaudiologist, one ophthalmologist, one biochemist, two ergonomists, three administrative assistants, one administrator and one psychologist, during a six-month period. The methodology that was used sought to establish a cooperative alliance focused on change, transformation and acquisition of skills, reflecting directly on the attitudes and performance of the leaderships and their work teams. In addition to the feedback practice, the following supporting tools were used for the study's success: "Functional Polyvalence Matrix", "Management of Failures", 5W2H", "6M", "5 Why" and "process mapping". The intended results after the organization ergonomics restructuring process will allow the leader to help his or her team to make a diagnosis of the problems, identify options, develop strategies, establish targets and action plans, remove barriers, review contexts and implement the business management fundaments: planning, organization, management, coordination and control.
Ergonomic Design is the adaptation of working conditions to human limitations and skills in the physical design phase of a new installation, a new working system, or new products or tools. Based on this concept, the purpose of this work was to analyze the implementation of ergonomic design at the new industrial units of an oil refinery, using the method of Ergonomic Workplace Assessment. This study was conducted by a multidisciplinary team composed of operation, maintenance and industrial safety technicians, ergonomists, designers and engineers. The analysis involved 6 production units, 1 industrial wastewater treatment unit, and 3 utilities units, all in the design detailing phase, for which 455 ergonomic requirements were identified. An analysis and characterization of the requirements identified for 5 of the production units, involving a total of 246 items, indicated that 62% were related to difficult access and blockage operations, while 15% were related to difficulties in the circulation of employees inside the units. Based on these data, it was found that the ergonomic requirements identified in the design detailing phase of an industrial unit involve physical ergonomics, and that it is very difficult to identify requirements related to organizational or cognitive ergonomics.
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