New Set of Rules 415.1325800.2023 on Acoustic Design of Sports and Entertainment Facilities

Code of Rules 415.1325800.2018 “Public buildings. The Rules of Acoustic design”, which was released in 2018, contains methods of acoustic design of indoor sports and entertainment facilities with a capacity of up to 25 thousand people, the air volume of which is limited to 50 thousand m³. However, over the past 10 years, massive construction of large sports arenas with a capacity of more than 50 thousand people and an air volume of more than 500 thousand m³ has begun in Russia. In addition, all modern sports facilities are designed and built as multifunctional playgrounds, where, in addition to sports competitions, concert and entertainment events can also be held. Thus, the approaches and methods of acoustic design outlined in the 2018 Set of Rules currently do not meet the features of modern sports arenas with large capacity and large air volume, in which it is important to ensure a high level of acoustic comfort. The article presents a new Set of rules 415.1325800.2023 “Public buildings. Rules of acoustic design”, which proposes modern approaches to determining the optimal reverberation time depending on the air volume of the room. An additional parameter for the normalization of acoustic comfort is considered – the FSI fan support index. The data on the sound-absorbing characteristics of modern materials used in the decoration of arenas are updated. Simple analytical algorithms for estimating reverberation time in open, semi-open and closed arenas are proposed.