On September 23, the official website of the Ministry of Housing and Urban-Rural Development released four national standards, including the "Standard for Hydrogeological Investigation of Water Supply," the "Technical Standard for Durability of Concrete Structures in Coastal Engineering," the "Standard for Test Methods for Long-Term Performance and Durability of Concrete," and the "Technical Standard for Electronic Navigational Chart Engineering of Inland Waterways," all effective from January 1, 2025.

Standard for Hydrogeological Investigation of Water Supply

The "Standard for Hydrogeological Investigation of Water Supply" is hereby approved as a national standard, numbered GB/T50027-2024, effective from January 1, 2025. The former national standard "Code for Hydrogeological Investigation of Water Supply" (GB50027-2001) is simultaneously abolished.

This standard is published on the portal website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development organizes China Planning Press Co., Ltd. for publication and distribution.

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Technical Standard for Durability of Concrete Structures in Coastal Engineering

The "Technical Standard for Durability of Concrete Structures in Coastal Engineering" is hereby approved as a national standard, numbered GB/T51464-2024, effective from January 1, 2025.

This standard is published on the portal website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development organizes China Planning Press Co., Ltd. for publication and distribution.

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Standard for Test Methods for Long-Term Performance and Durability of Concrete

The "Standard for Test Methods for Long-Term Performance and Durability of Concrete" is hereby approved as a national standard, numbered GB/T50082-2024, effective from January 1, 2025. The former national standard "Standard for Test Methods for Long-Term Performance and Durability of Ordinary Concrete" (GB/T50082-2009) is simultaneously abolished.

This standard is published on the portal website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development organizes China Architecture Publishing & Media Co., Ltd. for publication and distribution.

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Technical Standard for Electronic Navigational Chart Engineering of Inland Waterways

The "Technical Standard for Electronic Navigational Chart Engineering of Inland Waterways" is hereby approved as a national standard, numbered GB/T51465-2024, effective from January 1, 2025.

This standard is published on the portal website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development organizes China Planning Press Co., Ltd. for publication and distribution.

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