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The article reveals the foundations of design and research surveys, on the basis of which the Russian State Library (RSL) implemented the project of repair and restoration works for the central entrance of the library. The aim of the works was to adapt the cultural heritage object to modern use. The building complex, conceived in the mid — 1920s, was completed by 1940, but it was not fully commissioned until 1960. In the mid — 1970s, there was insufficient space to store the growing holdings. The front decoration of the central hall suffered enormous damage over the years. In 2019, a negative trend in the condition of the building was revealed. The main book depository was overloaded. The problems of the RSL are combined in a comprehensive investment programme for the reconstruction and restoration of infrastructure facilities. In 2019—2020, design solutions were developed for the repair and restoration of buildings and individual public spaces of the library. In 2021, the first stage of restoration of the entrance group began. The decision was made to carry out the work in a service-preserving environment and the challenge was to transform the very model of service to readers. The team working on the restoration made decisions reflecting the development of 21st century technologies and current standards for the automation of library processes. As a result of the works, new technological channels for the building operation and space for servicing readers were arranged, a climate control system was installed, the power supply and electric lighting system was replaced, historical interiors were restored, modern fire and engineering safety systems were created, a new centralized information and navigation complex for readers was deployed, etc. In 2023, a grandiose historical space was opened for the RSL readers.
Timofey I. Shchegolkov (Wed,) studied this question.