after the accident that occurred in 1995 in one of the workshops of JSC TAGMET, the Central Scientific Research Institute of Building Structures named after V.A. Koucherenko of the JSC "SIC "Construction" conducted surveys of other workshops of the plant, built back in the XIX century, for a long time in order to issue conclusions on their industrial safety and recommendations for the repair and strengthening of damaged building structures for the possibility of further safe operation. The article presents the results of a survey of mixed structures of one of the sections of the scrap shop located on the territory of JSC Tagmet; analyzes the causes of damage to the building frame structures found during the survey, and provides recommendations for strengthening structures useful for their use in similar events.