Estrés térmico y su incidencia en la fatiga normal de los trabajadores del área de producción de la Curtiduría Hidalgo

Abstract

EXECUTIVE SUMMARY The purpose of the present work is the evaluation of thermal stress and determine its influence on the normal fatigue of the workers of the area of production of the Curtiduría Hidalgo of the city of Ambato; This company has shown a drop in production and the presence of uncomfortable temperatures and fatigue in workers. The evaluation procedure proposed by the American Conference of Governmental Industrial Hygienists (ACGIH) was used for the measurement, the measurement methods used were those proposed by UNE EN 27243 and UNE EN ISO 7730; All the workstations of the area of production were analyzed, being determined the indices of thermal insulation of the clothes of the workers; We performed the measurement of the WBGT index and for the calculation of the PMV and PPD indices was performed with the software DeltaLog10. To prove the presence of fatigue, the SOFI-SM and Yoshitake questionnaires were applied. The results obtained determine that there is no thermal stress, but if there is the presence of thermal discomfort in all areas of tannery production and the application of questionnaires determine the existence of fatigue in 41% of employees. The research proposal includes the design for the installation of fans in the production area of the company, selection of the fan and accessories, civil works for their placement and determination of the cost of placement. For fatigue is designed active pauses and methods of training and evaluation for forced positions and handling of loads that exist in this type of companies.