比夫玛X5。4-2020旨在为制造商、规范制定者和用户提供一个共同的基础，用于评估商业和机构休息室和公共座椅的安全性、耐久性和结构充分性。休息室和公共座位通常用于室内公共空间，如等候区、接待区或集合区。休息室和公共座椅包括带有单座单元、一个单元内有多个座位的单元或组合座椅单元的产品。休息室和公共座椅可以通过连接到建筑结构或独立式来限制移动。这些产品一般不适合个人使用。 本标准不适用于通用或任务型办公椅，也不适用于体育场、礼堂、演讲室、机场/火车站和类似的高使用率公共座位区。

BIFMA X5.4-2020 is intended to provide manufacturers, specifiers, and users with a common basis for evaluating the safety, durability, and structural adequacy of business and institutional lounge and public seating.Lounge and public seating is normally used in indoor public spaces such as waiting, reception, or gathering areas. Lounge and public seating includes products with single seat units, units with multiple seating positions within one unit or ganged seating units. Lounge and public seating may be restrained from moving by attaching to the building structure or freestanding. These producs are not generally adjustable for personal use. This standard does not address general-purpose or task-oriented office chairs, or seating used for stadiums, auditoriums, lecture rooms, airports/train stations and similar high-use public seating areas.