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The article aims to determine how effective the stricter current requirements for the building walls and windows insulation are from the economic energy savings perspective. The article deals with a mathematical method for economic assessment of optimal building walls and windows thermal insulation. The mathematical methods used in this article are based on cost-benefit analysis. Recent research shows that the stricter requirements for the building walls and windows thermo-insulation may not always give the best e...

Total duration of complex flows depends on many factors, one of them being the sequence of work locations in the work program. The aim of this research is to find a simple method which would allow us to determine the best work location sequencing in the location-based work program from work duration point of view. This was achieved by creating a synthetic criterion which allows the user to determine the optimal work location sequencing without having to simulate all of the scenarios upfront. The method discussed i...