GB 51251-2017 第9.2.3条
- **** | Fans shall be installed in dedicated fan rooms, and the fan rooms shall be separated from other areas by partition walls with a fire resistance rating of not less than 2.00h and floor slabs with a fire resistance rating of not less than 1.50h. In hotel buildings, fan rooms shall not be directly adjacent to guest rooms, restaurants, etc., and shall be provided independently.