What is the intention?, 13000 glass curtain wall buildings in Shanghai have started posting "building codes" Shanghai | Time | Glass curtain wall

Shanghai has taken new measures to prevent "glass rain". Nowadays, more than 80% of existing buildings with glass curtain walls in nine districts including Songjiang, Fengxian, and Baoshan have completed the posting of "building codes". Passengers can scan and learn about the basic information and inspection and rectification of building glass curtain walls.

"By promoting the full coverage and posting of building codes for glass curtain walls throughout the city, government affairs can be made public. While ensuring the right to information and choice of users of existing buildings with glass curtain walls, building owners and property management should be guided to fulfill their responsibilities for the daily safe use and maintenance of glass curtain walls. With the support of social supervision and joint governance, the enthusiasm and timeliness of building management for regular self inspection and hidden danger rectification can be effectively improved, effectively reducing the risk of glass curtain wall falling," said the relevant person in charge of the Quality and Safety Department of the Shanghai Municipal Commission of Housing and Urban Rural Development.

The total number of admissions in the city reached 98.65%

High incidence of typhoons, high temperatures, and severe convective weather in summer. At this time, "safety above the head" has become a hot topic of concern for people. An industry practitioner told reporters that since the completion of the first Glass Curtain Wall Building Friendship Building in 1984, Shanghai's glass curtain wall buildings have experienced rapid development, with a total of over 13000 buildings, making Shanghai one of the cities with the most glass curtain wall buildings in the world.

New problems have also emerged. According to the 25 year design period of glass curtain walls, over 60% of glass curtain wall buildings in Shanghai have entered the "middle age", and the risks are increasing year by year. Over the next 5 years, it is expected that over 1600 glass curtain wall buildings will exceed their design lifespan. How to avoid glass self explosion and fan falling has become a new problem faced by super large cities.

The reporter learned from the Municipal Housing and Construction Commission that in the past decade, the supervision of glass curtain walls has completed the process from 0 to 1, and the regulatory system has been basically established. The staff not only figured out the foundation of the city's glass curtain wall system through carpet style layout, but also built an existing building glass curtain wall management platform based on digital technology.

At present, about 13000 existing building glass curtain walls in the city have been included in this management platform, with a management rate of 98.65%. New buildings in newly built urban areas such as Lingang that have not yet been included are also gradually being managed. "Shanghai's glass curtain wall buildings are still growing, and these new buildings will also enter the regulatory system after they are put into use," said the person in charge.

With the development of digital technologies such as the Internet of Things and big data, the digital transformation of glass curtain walls is also accelerating, promoting the use of digital technologies such as algorithm push and intelligent identification to complete hazard identification.

Not long ago, the Shanghai Port Land Huangpu Center located in Huangpu District adopted drone inspection and medical examination for the first time. The high-definition camera and infrared thermal imager carried by the drone will collect photos and videos from various angles and directions. In the later stage, expert videos will assist in identification and review, and manual verification will be carried out. After the inspection report is generated, the enterprise's rectification can be implemented as soon as possible.

The staff of the Huangpu District Construction and Management Committee said that there are many glass curtain wall buildings in Huangpu District, which are old, high in height, and dense. If the traditional "Spider Man" high-altitude operation inspection method is adopted, it is time-consuming and also dangerous. By using drone inspection, each piece of glass can be fully covered and photographed for inspection, greatly reducing inspection time. The efficiency is 90% higher than manual work, solving the problem of danger in high-altitude operations.

According to the latest data, in the past five years, a total of 114759 glass curtain wall buildings have been inspected at both levels in the urban area, and a total of 16023 hidden dangers have been discovered and disposed of.

Extend the regulatory chain

Shanghai's glass curtain wall supervision is moving from 1 to 2, extending the regulatory chain and improving regulatory quality.

This kind of advancement comes from practical considerations. The Shanghai Municipal Commission of Housing and Urban Rural Development stated that the supervision of glass curtain wall buildings in Shanghai has formed a virtuous cycle. On the one hand, a multi-level hidden danger detection mechanism has been established, including city level spot checks, district level patrols, building self inspections, and regular inspections. On the other hand, the timely closed-loop rate of emergency avoidance for glass curtain walls has also reached 96.52%. Before and after the flood season this year, a total of 33 buildings in Shanghai were found to have hidden dangers. Among them, 12 buildings with high risk of falling were taken effective emergency measures within the specified time, and the rest were also supervised and rectified in daily management.

However, overall, the current regulation of glass curtain walls is still mainly top-down, and building owners and property management, as the main operators of glass curtain walls, need to improve their daily management enthusiasm. The recently released "Notice on Doing a Good Job in Safety Inspection and Rectification of Existing Building Glass Curtain Walls in Shanghai in 2023" and "Guidelines for District level Inspection of Existing Building Glass Curtain Walls in Shanghai" have clarified the supervision functions of management departments at all levels of the city, district, and street towns on the basis of consolidating the existing glass curtain wall supervision mechanism, unified the city's district level inspection work gestures, further woven the city's glass curtain wall supervision network, and achieved a stable improvement in the energy efficiency of glass curtain wall management from 1 to 2. The next step will be to take a series of measures to promote the awareness of daily maintenance and implementation of maintenance responsibilities of existing building glass curtain wall owners and properties, strengthen the skill level and professional ability management of existing building glass curtain wall service units, and comprehensively improve them. "The existing management system for building glass curtain walls," said a staff member from the Quality and Safety Department of the Municipal Housing and Construction Commission.

At present, the existing building glass curtain wall management system relies on "one floor, one code" digital management, exploring the integration of inspection and rectification, management traces and other data, automatically generating 13000 "building portraits", and combining online and offline methods to push to glass curtain wall building owners and the property industry. Portraits not only depict the current management status of building glass curtain walls, but also provide management suggestions and remind responsible parties of their responsibilities, enhancing their sense of responsibility.

This also marks the beginning of the upgraded version of refined management for glass curtain walls.

The reporter learned that the "Shanghai Building Glass Curtain Wall Structure Safety Demonstration Management Measures" were issued this year, which will strengthen source management and fundamentally eliminate accident hazards. For example, strictly control the quality of design drawing review, reduce safety hazards and high fall risks caused by improper design of glass curtain walls, and orderly improve the overall safety level of new glass curtain walls. In addition, we will strengthen the full lifecycle management of glass curtain walls, promote the pilot application of intelligent new technologies in rapid monitoring and data acquisition of curtain wall hazards, improve the reliability of curtain wall algorithm early warning, and help improve the quality and efficiency of glass curtain wall "one network unified management".