Since the beginning of the Industrial Revolution, safety regulations and safe working conditions has been an essential task to retain an amiable and comfortable working atmosphere, especially for the employees at the construction sites in England, U.S.A. and many other countries. Preventing accidents and risk of accidents became the most vital priority method in maintaining an international safe working atmosphere. First of all, the aim of the paper is to portray the vital improvement process and conditions within the work safety system and to decrease the environmental risk factors involved within the working atmosphere within the construction industry worldwide and to increase the efficiency and production levels. Second of all, our plans are to evaluate the risks involved within the working environment at the construction sites and to develop the necessary preventive measures for obtaining positive results within Latvia and worldwide. Our intent is to implement the comparison and grouping methods for analysing the statistical data as well as the working environmental risk evaluating methods and schemes will be applied. Furthermore, our research investigation will offer the proposals of practical use for reducing psycho-emotional and ergonomic factors caused and the chemical working environment risks at the construction sites; considering the main risk factors that are frequently encountered by the employees at the worldwide construction sites