We should actively promote the architect responsibility system and strengthen the whole process consulting services for engineering projects.

Please organize relevant experts and personnel to study carefully, put forward specific modification opinions and suggestions, and feed back to the chief editor before June 25, 2022 after filling in the format of the attachment.

A series of data show that the development of precast buildings in key promotion areas, actively promoted areas and the encouraged areas is higher than that in 2020, It shows a trend of going hand in hand and continuing to grow rapidly.

For the original, see the letter of Chongqing Municipal Commission of housing and urban rural development on Soliciting Opinions on the technical standard for near zero energy consumption buildings (Exposure Draft), YJH [2022] No.

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According to incomplete statistics, from the outbreak of the epidemic at the end of 2019 to the current epidemic development period, China Construction Science and engineering group, China Construction Third Engineering Bureau, Yantai Wanhua and other domestic backbone suppliers of precast modular houses have undertaken or provided nearly 65 centralized isolation and treatment hospital projects with an area of nearly 1077900 square meters and 47267 modules, so as to explore the production, transportation, storage, and Management provides a useful reference.

The development of precast buildings is one of the important measures for the housing and urban-rural construction industry to implement the green and high-quality development requirements put forward by the Party Central Committee and the State Council.

From the perspective of structure type, the newly started precast concrete structure building is 490million square meters, accounting for 67.7% of the newly started precast buildings; The steel structure building covers an area of 210million square meters, accounting for 28.8% of the newly started precast buildings.

In 2021, the number of manufacturers, production lines, design capacity and actual application capacity of precast concrete, steel structure, wood structure and other related components and parts nationwide were increased compared with the previous year.

In the process of developing precast buildings, all localities should take high quality and high quality as the development goal, take improving quality and efficiency as the core, and promote the transformation and upgrading of the construction industry through the development of new construction methods.

866, district and county (Autonomous County) housing and urban rural construction commissions, Liangjiang New Area, Chongqing high tech Zone, Chongqing Economic Development Zone, Wansheng Economic Development Zone, Shuangqiao Economic Development Zone, Relevant units: the technical standard for near zero energy consumption buildings, a local standard for engineering construction edited by Chongqing Housing and urban rural construction technology development center, has completed the draft for comments, and is hereby sent to your unit for comments.

Recently, in order to thoroughly implement the decision and deployment of the CPC Central Committee and the State Council on vigorously developing precast buildings, and understand and master the development of precast buildings in China, The standard and quota Department of the Ministry of housing and urban rural development summarized and combed the development of precast buildings nationwide in 2021.

Original title: the precast building style is vigorously developing and accelerating.

Among them, the designed capacity of precast concrete precast members reached 240million cubic meters, an increase of 16.5% over the previous year, and the capacity utilization rate was 51.1%; The designed capacity of cast steel structure members reached 72.31 million tons, and the capacity utilization rate reached 58.2%.

Among them, the precast steel structure residential project covers an area of 15.09 million square meters, an increase of 25% year-on-year.

Attachments can be found on the website of Chongqing Municipal Commission of housing and urban rural development.

The rest are wood structure buildings and other mixed structure precast buildings.

In 2022, the development of precast buildings should adhere to the guidance of standards, promote standardized design and production, give full play to the leading role of relevant standard systems, such as the standard for design and selection of precast housing, the guide for the dimensions of main components of steel structure housing, the guide for the dimensions of main components of precast concrete structure housing, and the guide for the dimensions of main components of residential precast decoration, and promote the development of precast buildings in sample cities, industrial bases First applied in the demonstration project.

It is noteworthy that since the outbreak of the COVID-19, the precast steel structure module room has played an important role in emergency support, showing a good application prospect with its “fast, integrated and efficient” construction characteristics.

According to the data reported by various regions, precast buildings showed a good momentum of vigorous development.

Source: Architecture Magazine, Chongqing Municipal Commission of housing and urban rural development, Shenzhen Municipal Bureau of housing and urban rural development, Guangdong Provincial Department of housing and urban rural development, standard quota Department of the Ministry of housing and urban rural development: the newly started precast buildings in China will reach 740million square meters in 2021.

“In 2021, the newly started precast building area in China will reach 740million square meters, an increase of 18% over 2020, accounting for 24.5% of the newly built building area”, “the newly started precast buildings in key promotion areas account for 52.1% of the country”, “the actively promoted areas and the encouraged areas account for 47.9%”.

It is necessary to further sort out and summarize the precast building policies and measures, standards and specifications formulated by various regions, as well as the specific practices and achievements in technology guidance, pilot demonstration, project promotion, industrial development, capacity training, regulatory mechanism, etc., so as to strengthen exchanges and learning among various regions.

We should vigorously promote the general contracting system, give full play to the comprehensive advantages of precast construction, and promote the sustainable, healthy and high-quality development of precast buildings.

We should continue to strengthen the supervision and management of the quality of precast buildings, and all participants should attach great importance to the production and construction quality, so as to avoid all kinds of problems arising from the past extensive construction methods appearing on the precast construction site.