The problems of preservation of Orthodox holy sites of the city of Sevastopol and the contradictions of the requirements of regulations governing construction in seismic regions of Ukraine and the preservation of authenticity are described in the article. New technologies to provide earthquake resistance of Orthodox shrines are offered on the basis of research. To enhance the drum of the dome of the St. Vladimir Cathedral external prestressed steel reinforcement has been suggested. For safe operation, the outer corners the Church of St. Archangel Michael of the main building at the planning level of the ground mark up to the roof it is proposed to strengthen with the help of horizontal glued anchor in mutually perpendicular direction. Analyses of survey results and evaluate the technical condition of the bell tower designs have allowed to develop strengthening the walls of the lower level of the reinforced concrete jacket, reducing, in addition, visual function was originally existed protective plaster, without significantly increasing the overall dimensions of the facades. On the top edge of walls of the third level -reinforced concrete anti-seismic belt anchors are glued, consolidate an authentic masonry.