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1 2019

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Safety of use of the buildings in the aspect of the indoor environmental quality

Lis Anna, Vranayova Zuzana

System Safety : Human - Technical Facility - Environment

2019

Vol. 1, nr 1

316--323

Safety of use of the buildings refers i.a. to ensuring appropriate hygienic and sanitary conditions and also health conditions. According to the EU Directive on the energy performance of buildings, there is a need to define the conditions for the classification of objects in terms of indoor microclimate requirements. Evaluating the quality of the interior environment in buildings and specifying the requirements of people staying in them, first of all the values of thermal microclimate parameters and air quality should be taken into account. Long-term influence of disadvantageous of environmental conditions may cause or exacerbate many symptoms associated with abnormal functioning of the organism and lead to the weakness or illness. This phenomenon is called sick building syndrome, and the symptoms of the syndrome such as eyes and respiratory tract irritation, malaise, dizziness and headache or fatigue are linked to time spent in the building. The article presents the results of research on the condition of the interior environment in educational buildings, identifies factors affecting the formation of environmental conditions in the rooms and shows the influence of the interiors environment in buildings on the human body. The relationships between the basic parameters of the interior microclimate and the state of feeling satisfaction with the environmental conditions that surrounds the human are tracked. It was found that in many cases commonly used gravitational ventilation is not able to ensure the proper conditions of the interior microclimate, and the concentrations of carbon dioxide recorded in the tested rooms exceeded the applicable standards.