National Standard for Prefabricated Housing
The national standard currently under development for prefabricated housing is the 'Appearance Quality Requirements and Dimensional Deviation Limits for Prefabricated Concrete Components in Prefabricated Buildings'. Additionally, the 'Technical Standard for Prestressed Prefabricated Concrete Frame Structures' has been approved as an industry standard.
National Standard Under Development
The 'Appearance Quality Requirements and Dimensional Deviation Limits for Prefabricated Concrete Components in Prefabricated Buildings' is under the jurisdiction of the National Technical Committee on Building Components and Fittings Standardization (TC454), with the Ministry of Housing and Urban-Rural Development as the competent authority. The standard plan number is 20240992 - T - 333, with a project duration of 18 months. It was assigned on April 25, 2024, and is scheduled to be officially implemented 6 months after its release. On September 3, 2025, the General Office of the Ministry of Housing and Urban-Rural Development released the draft for public consultation and sought opinions from the public, with the deadline for feedback being October 13, 2025. This standard primarily focuses on the appearance quality and dimensional deviation limits of prefabricated concrete components in prefabricated buildings, aiming to standardize the production of prefabricated concrete components, ensure their quality meets requirements, and provide a fundamental guarantee for the overall quality of prefabricated buildings. By clarifying specific standards for appearance quality and dimensional deviations, it helps improve the versatility and interchangeability of prefabricated concrete components and promotes the standardized development of the prefabricated building industry.
Approved Industry Standard
The Ministry of Housing and Urban-Rural Development has approved the 'Technical Standard for Prestressed Prefabricated Concrete Frame Structures' as an industry standard, which will be implemented from April 1, 2025. This standard is applicable to the design, fabrication, construction, and acceptance of prestressed prefabricated concrete frame structures in areas with seismic fortification intensities of 9 degrees and below. The implementation of this standard provides a unified technical basis for the application of prestressed prefabricated concrete frame structures in areas with different seismic fortification intensities, helps ensure the quality and safety of such structures during design and construction, and promotes the standardized application and development of prestressed prefabricated concrete frame structure technology.
