1. The halls and passages connected with the atrium shall be equipped with class B fire doors and fire shutters with fire resistance limit of more than 3.00h.

2.两座高层或高层建筑与二级以上耐火等级的单层、多层民间建筑相邻，相邻高层外墙耐火极限在2.00h以上，墙开口部设置甲 级防火门、窗户或防火百叶窗时，其防火间隔可适当减小，但不得小于4.00m。

2. Two high-rise buildings or high-rise buildings are adjacent to single-storey or multi-storey civil buildings with fire resistance rating above grade 2. The fire resistance limit of the external walls of adjacent high-rise buildings is more than 2.00h. When class a fire doors, windows or fire shutters are set at the opening of the wall, the fire separation can be appropriately reduced, but not less than 4.00m.

3.消防电梯前室的门应采用乙级防火门或具有停滞功能的防火百叶窗。

3. The door of the front room of the fire elevator shall be class B fire door or fire shutter with stagnation function.
           

4.高层建筑内设有上下相连的走廊、开放式楼梯、自动扶梯等开口部位时，应按上下相连层作为防火分区，其允许大建筑面积之和不得超过本规定第5.1.1条的规定。当上下开口处设有耐火极限大于3.00h的防火卷帘或水幕等分隔设施时，其面积不得叠加计算。

4. When there are corridors, open stairs, escalators and other openings connected up and down in high-rise buildings, the upper and lower connected floors shall be used as fire compartment, and the total allowable large building area shall not exceed the provisions of article 5.1.1 of this regulation. When the upper and lower openings are provided with fire-proof rolling shutter or water curtain with fire resistance greater than 3.00h, the area shall not be calculated by superposition.

5.疏散走道上设置的防火卷帘应在卷帘两侧设置开闭装置，并应具有自动、手动和机械控制功能。

5. The fire shutter on the evacuation aisle shall be equipped with opening and closing devices on both sides of the shutter, and shall have automatic, manual and mechanical control functions.