When a building is in need of renovation, a question often arises whether it is more
meaningful to perform a full renovation or to construct a new building. Certainly there are
several factors that can influence our decision, such as: level of dilapidation of objects, costs,
execution time etc. Some of them have a more important role than others, so it is reasonable
to compare them and seek the optimal alternative solution.
In the graduation thesis we have compared two alternative solutions for the renovation of the
building Dom svete Katarine in Mengeš. After a detailed examination ZRMK (Building and
Civil Engineering Institute) has published a report, in which they have highlighted that the
building is prone to earthquake hazard, so they have suggested some technological
guidelines for its reinforcement. Besides measures to ensure earthquake safety, they have
foreseen some other measures as well, for example: substitution of floors, drainage
implementation etc. As a first alternative solution we have considered a total building repair.
Based on the report issued by ZRMK we have conducted an inventory of works, with which
we have evaluated the costs of a total building repair. As a second alternative solution we
have considered a replacement construction and we have predicted the costs of realization
with the help of the catalogue for the evaluation of construction works. Later we have
conducted a comparison of both alternative solutions based on several criteria. We have
used additional criteria for the comparison, such as: energy efficiency and functionality.
Finally we have determined, based on the multi-criteria comparison, which of the two
alternative solutions is more reasonable for our building.
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