The article considers the main stages of industrial architecture and construction’ development in the word during the last centuries.The principal architectural and structural desicions of industrial buildings are being analyzed, which were changed with time as well as different approaches to internal climatic environment of these buildings.It is noted that one of the most important regimes of the internal environment is a lighting regime which may be provided by natural or artificial methods.The natural method means prevision of natural illimination in premises and this requires the structural desicions to install windows and skylights in the workshops in question .This point is also considered in the article.The results of the analysis are being summarized in form of sertain conclusions and recomendations.

Keywords: Industrial buldings; arhitectural and structural desvions; indoor lighting envircnment; systems of side and top natural lighting; efficiency of windows, monitors and skylights

The article considers the problems of sufficient natural light` provision of premises with roof natural lighting system in winter climate conditions of Russian Federation. It is noted, that contemporary Codes and Regulations on Natural Lighting don`t consider an effect of snow deposits on roof skylights on the values of daylight factor (D.F.) in interiors.Snow deposits on Building roofs is a characteristic feature for a winter months in climate conditions of major part of Russian Federation, thus making the investigations considered very actual. The article contents the results of site investigations, as well as results of the oretical calculations on the problem in question.

Keywords: Snow deposits, daylight factor, a system of roof natural lighting, skylights.

The article considers the problems of sufficient natural light` provision of required levels of narural illumination in premises with natural light system in form of roof skylights. The influenoe of snow deposits on roofs and skylights on light penetration through the glazin a of these elements with respect to snow`pollution is being considered. The latter factor, due to general pollution of air masses becomes very important and characteristic to the large cities of our country` conditions. This makes the problem in question very actual. The results of field studies, general conclusions and recomendations are being quoted.

Keywords: snow deposits, snow pollution, light penetration of roof lights system of roof natural light, climate conditions