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Truck Mixer

Amongst the equipment used in the seedbeds of civil workmanships, the concrete truck mixer enters as an equipment that presents levels of considered noises high, when taken in consideration the legislation and the health human being. In this article the levels of noises had been characterized equivalents generated for the raised equipment concrete truck mixer in diverse articles carried through for Brazil. One searched in them the exposition of the workers, the dose of daily exposition, the corresponding sound pressure level to the limit of tolerance and the level of action. The risks then had been determined and compared with the levels of recommended performance. They had been observed that the measurements and evaluations had used norm NR-15 and NHO-01. In the results it was verified that the equipment concrete truck mixer inside generates levels of noise of the acceptable limits.

1. INTRODUCTION the civil construction possesss a paper of great importance in the national economy, being responsible for the construction of all the necessary infrastructure to the development of the country and for the generation of a significant number of job, more than 5 million workers (IBGE, 2000). Although the great importance the industry of the civil construction in Brazil is constantly white of hard critical, mainly related to the work conditions, where the field of the occupational health presents a preoccupying reality. The workers of the civil construction, in the majority of the activities, do not find adequate protection to its health and physical integrity and amongst the main problems told in the sector appears the effect caused for the extreme noise of the equipment that routinely is used in the workmanship seedbeds. The auditory loss can be cited, difficulty in the communication, estresse, lack of concentration and until physical and psychic clutters (MAYAN, 2001). It does not have you still doubt that the man esbarre with the problematic one of ' ' well estar' ' protection to the environment.

The Risks

On the other hand, a reactive position of the company must be considered when it looks for to prevent the risks and it is limited to take care of the legal requirements to it, what normally it means investments and the pro-active position where the ambient question is inserted in the strategical vision of company, that is, the company leaves to act only in function of the risks and starts to also perceive the chances. The implantation of the system provides envolvement of the company as a whole and the ambient responsibility is spread to each sector. All start to enxergar the questions under the same optics, creative situations start to appear, explore the chances of exploitation of rejeitos, substitution of insumos, technological elimination of losses in the processes, recycling, reduction to the consumption of energies (combustible), changes, etc. How much cost not to have a SGA? Not to use themselves of this system of management today would be as if to keep mentally ill to the risks of decay and until possible bankruptcy in the sector. Some of the risks aggravations to the environment can be irreversible and when ambient accidents occur automatically the image of the company for the media and the actions at law, the fines and upheavals with ambient liabilities, they cause a series of challenges and cost the company who could have been prevented. Currently the enterprise sector has adopted to the SGA of complete form, not only for the image of the company, but for its legal structure. To implant a system of this transport started to be of utmost importance due to the fact of that the support offers considerable benefits, becoming the offered costs as positive investments the medium and long run. The improvement of the image of the company and its performance, the international satisfaction of the customer, easiness in the attainment in the financings and negotiations, the reduction of risks and costs and the conquest of new markets, are some of the differentials gotten for the SGA, not to implement this continuous system and adaptativo it would be to not only take one high risk before the sustainable development of the company as well as of the environment.