Journal
SUSTAINABILITY
Volume 13, Issue 21, Pages -Publisher
MDPI
DOI: 10.3390/su132112220
Keywords
life cycle costs; maintenance costs; warranty period; number of use cycles
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The article analyzes the method of determining maintenance costs of buildings based on Polish legal regulations. The sensitivity analysis shows that the assumed number of product use cycles has the greatest impact, while the warranty period has the lowest impact. It was proposed to use Net Present Value (NPV) for calculations and extend the building's life cycle to 80 years to overcome the limitations of the method proposed in the Polish law regulations.
The aim of the article is to analyze the method of determining the maintenance costs of buildings based on the method proposed in Polish legal regulations. The analysis of the sensitivity of the method shows that the assumed number of product use cycles during the calculation period has the greatest impact, while the adopted warranty period has the lowest impact. A multi-functional building combining housing, office, service and commercial was analyzed in order to obtain a broader picture of the model's operation. The results of the analyses allow us to conclude that despite the higher price of materials, the most durable solutions, which are the most expensive to purchase, turn out to be the most advantageous in the entire life cycle of the building. The method proposed in Polish law regulations has certain limitations. In order to level them, it was proposed to extend the method by using NPV (Net Present Value) for calculations and extending the life cycle of the building to 80 years.
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