The article substantiates the expediency of classification of technical heat-saving methods in the operation of residential and public buildings. The results of the study of the physical nature, efficiency and rational application of these methods were used in the classification according to their main function. The proposed classification of heat-saving methods is recommended for use in the integrated assessment of heat efficiency of residential and public buildings, and in determination of sources of heat savings during their operation.

Keywords: Operation of buildings, heat-saving methods, enclosing structures, heating system, hot water supply, ventilation

In this article the necessity of improvement of embankments retaining walls concreting technology is substantiated. The research results of falsework material influence on grinding layer properties of monolith construction are adduced. The methods of concrete protective layer durability improvement and surface decorative relief forming are suggested. This method is recommended for usage in building and reconstruction of retaining walls superelevation of city embankments.

Keywords: hydraulic structures, embankments, retaining walls, flexible falsework, rustic stone forming, concrete curing

Expediency of creating a method of complex estimation of investment projects in construction is substantiated in the article. The necessity of the accounting internal and external factors, their importance and trends, and also an inertance of manifestation factors are proved. The method is recommended to use for complex estimation of created and already realized investment projects in construction.

Keywords: investment project, complex estimation, efficiency, multicriteria optimization, fuzzy logic, construction

The article presents the results of the analysis of the known methods of measuring the quality control of construction products. 
Advantages of extending the scope of remote methods of the control by measurement including photogrammetry are listed. 
Expediency of colour-texture analysis of surfaces at the quality control of construction products is substantiated.
The field of rational application of colour-texture analysis at manufacturing supervision and field inspection of buildings and constructions is shown.  

Keywords: building structures, product quality inspection, control by measurement, organoleptic inspection, methods of photogrammetry, colour texture analysis