Emergency management due to partial collapse of facade elements is a great interest topic. The collapse often occurs in unexpected damage to building structures of architectural value within the historic urban centers. The actions often require a long time to implement. After an initial delimitation and isolation of the damaged surfaces are initiated, discovery and design of the restoration are started. The economic coverage, no less important, is often done over the years. We undertake a case study, developed in the intervention performed in front of the Cathedral of Reggio Calabria. The study covered aspects related to the organization of the first measures after the collapse of some decorative elements and the subsequent development of the site. The first phase involved the organization and implementation of protection measures to achieve tight deadlines to allow the use of space for an important and non-deferrable event. Authorization procedures for this first phase were expedited and operating procedure for the management of safety for temporary installations was established. The second phase, managed in a day, involved the intervention to ensure the practicability and ensure the safety of users. The preparation of the construction site optimized the execution time of the procedures. The design of the temporary works optimized the work of the teams involved in work sequencing, which resulted in reduced downtime and possible interference. The result of the design choices and operational programming optimized the execution time.
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