The project concerned the refurbishment and upgrading of the building facilities of BSRC “Alexander Fleming” and included interior fittings of existing spaces, the reconstruction of a side covered corridor and the construction of a small metal building for housing the laboratories of the experimental animals. The total surface of the renovated spaces and laboratories exceeded 1.000 sq.m. and the new metal building was 200 sq.m. The research center included laboratory animals requiring special care and safety conditions, so that the experiments and research results were accurate. Τhe worksites were scattered within the existing building and all works were completed in parallel operation of the research center and in close cooperation with the mangers of the center.