Abstract
This paper aims to clarify ventilation issues, and the field survey was conducted during the intermediate season at nursery facilities in Yokohama City. As a result, nursery facilities are classified into three categories according to ventilation behavior of nursery teachers. “Window-ventilation type” tends to have high room temperature and risk of heat stroke. “Mechanical-ventilation type” and “Combined-ventilation type” indicate high CO2 concentrations and have difficulties with ventilation routes and use of ventilation equipment. Based on the estimated ventilation rates, “Mechanical-ventilation type” was found not to meet the ventilation standards and design ventilation rates.
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