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This paper presents selected variants of thermal insulation for external walls of single family homes. The main aim of this article is to analyze the technological and economical solutions based on the BIM model. The technical and economic analysis concerns the calculation and evaluation of both the costs of constructing the walls and the energy demand of the model building designed by the authors...
This article presents an analysis of how the construction and insulation materials used for the walls of a sports hall built according to passive design affect the overall construction costs. The authors also attempt to answer whether the objective of achieving the lowest possible energy consumption in a building is actually economically sound. Cost analyses will be carried out to this end, the optimum...
In Poland, most noticeable is the lack of a widely used systematic of construction works for the classifying and systematizing works. Such a systematic should be used in order to facilitate cost estimation and quantity takeoff comparisons and to show the relationship between the technical documentation and cost studies. Such systematic may allow for classification of construction works, elements and...
The occurrence of differences between the employer’s estimate and the bid quotation is widespread and difficult to avoid. The differences between the investor’s and contractor’s calculations are often quite significant. This article analyses the differences between the value of the contract and the bid submitted for construction work carried out on a multi-storey buildings in 2013. An attempt was...
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