T/LXLY 6-2021 Active

Main Technical Content: The preparation of these guidelines was officially initiated by the Chinese Society of Gerontology and Geriatric Medicine and conducted by multiple units including Tsinghua University School of Architecture. After review by experts organized by the Chinese Society of Gerontology and Geriatric Medicine, the guidelines were finalized. The guidelines emphasize standardizing and guiding the design of adding small-scale elderly-friendly elevators to existing residential buildings in cities through stairwell external wall attachment and split-level entrance methods. Based on summarizing the common technical points of elevator addition, the preparation work focuses on three key issues: small-scale design, elderly-friendly design, and demolition, reinforcement, and connection design. 1. **Small-scale design** First, these guidelines are applicable to guiding the addition of small-scale elevators through stairwell external wall attachment, where the elevator entrance is located on the original stairwell landing and there is a half-story offset from the residents' living rooms. When designing the elevator addition, the goal should be to minimize the external dimensions of the elevator shaft and maximize the utilization rate of the shaft. The elevator shaft should be as close as possible to the original stairwell external wall, making full use of the effective width between the stairwell centerline and the adjacent room window wall to reduce the depth and minimize interference with the site environment. The maximum width of the finished elevator shaft should not exceed 2.1m. Of this, the net width of the main entrance should ensure a clear width of not less than 1.1m to meet evacuation width requirements. On the other side, it should not exceed the edge of the adjacent room window opening, minimizing obstruction of the adjacent room's view and impact on lighting. At the same time, the elevator selection should be compact and the shaft layout should