The article discusses topical problems of legal support for construction activities in relation to global climate change. Therefore, the results of high-resolution studies were treated. These studies tracked the pattern of fluctuation intensity changes of maximum and minimum temperatures in Moscow in the period of 1973 to 2009. The article highlights methodology elements for the statistical analysis of technical risks for implementing extreme temperature loads. A quantitative predictive risk assessment of extreme high and low temperatures and thawing risks for the entire life cycle of buildings are given. These estimates are intended to take account of the thermal loads on the ecological systems of urban areas as well as to design buildings and engineering systems that form microclimate of premises. The paper presents for the first time the obtained by the authors and previously unknown quantum regularities of the air temperature variations in the surface layer of the atmosphere. It also contains graphic materials for statistical studies of the fluctuation intensity evolution of maximum and minimum daily temperatures in the city of Moscow.
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