Recently, the Ministry of Housing and Urban-Rural Development solicited public comments on four national standards—"Asphalt Mastic Ball-Milled Steel Slag Mixture for Roads," "Technical Requirements for Emergency Shut-off Valves for Pipe Burst Protection in Urban Water Supply and Drainage," "Unified Standard for Design of Civil Buildings," and "Unified Standard for Reliability Design of Building Structures"—as well as two industry standards, "Anti-Cavitation Adjustable Pressure-Reducing Valve for Large Pressure Differences" and "Soft Soil Stabilizer." The deadline for feedback is June 21, 2024.

Click the blue titles below to learn more about the standards.

"Asphalt Mastic Ball-Milled Steel Slag Mixture for Roads"      

This document specifies the terms and definitions, materials, mixture design, inspection rules, transportation, and other requirements for asphalt mastic ball-milled steel slag mixture for roads. It applies to the design and construction of asphalt mastic ball-milled steel slag mixture for new construction, reconstruction (expansion), and maintenance projects of highways of all grades.

Relevant organizations and the public may submit feedback through the following channels and methods:

1. Email: Sdjtky408@163.com.

2. Mailing address: No. 1877 Gangxi Road, Licheng District, Jinan City, Shandong Province; Postal code: 250102.

"Technical Requirements for Emergency Shut-off Valves for Pipe Burst Protection in Urban Water Supply and Drainage"      

This document specifies the terms and definitions, general requirements, requirements, test methods, marking, packaging, and storage and transportation of emergency shut-off valves for pipe burst protection in urban water supply and drainage.

Relevant organizations and the public may submit feedback through the following channels and methods:

1. Email: gexin654321@qq.com.

2. Mailing address: No. 8 Chegongzhuang West Road, Haidian District, Beijing; Postal code: 100037.

"Unified Standard for Design of Civil Buildings"      

In accordance with the "Notice of the Ministry of Housing and Urban-Rural Development on Issuing the 2022 Work Plan for the Formulation of Engineering Construction Specifications and Standards and Related Work" (Jianbiao Han [2022] No. 21), the Ministry of Housing and Urban-Rural Development organized China Institute of Building Standard Design & Research Co., Ltd. and other units to revise the national standard "Unified Standard for Design of Civil Buildings."

Relevant organizations and the public may submit feedback through the following channels and methods:

1. Email: zhangjb92@163.com.

2. Mailing address: Building 2, Zhuyu International, No. 9 Shouti South Road, Haidian District, Beijing; Postal code: 100048.

"Unified Standard for Reliability Design of Building Structures"      

The main contents of this revision are: 1. Improve the technical requirements supporting the mandatory engineering code "General Code for Engineering Structures"; 2. Refine the classification provisions for safety levels of building structures; 3. Modify the provisions concerning "design working life"; 4. Revise the provisions of the appendix "Reliability Assessment of Existing Buildings."

Relevant organizations and the public may submit feedback through the following channels and methods:

1. Email: chenkai@cabrtech.com.

2. Mailing address: 10th Floor, Building C, China Academy of Building Research, No. 30 North Third Ring East Road, Chaoyang District, Beijing; Postal code: 100013.

"Anti-Cavitation Adjustable Pressure-Reducing Valve for Large Pressure Differences"      

This document specifies the terms and definitions, structural types, product models, component materials and structures, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of anti-cavitation adjustable pressure-reducing valves for large pressure differences.

Relevant organizations and the public may submit feedback through the following channels and methods:

1. Email: 147607118@qq.com.

2. Mailing address: No. 1 Meidong Section, Longgao Road, Jiujiang Town, Nanhai District, Foshan City; Postal code: 528203.

"Soft Soil Stabilizer"      

This standard specifies the materials, classification and marking, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of soft soil stabilizers. It applies to inorganic hydraulic cementitious materials used for stabilizing soft soil and other fine-grained soils, as well as inorganic powder materials predominantly composed of siliceous-aluminous materials with particle size distribution in the fine-grained soil range.

Relevant organizations and the public may submit feedback through the following channels and methods:

1. Email: aklikai2009@sina.com.

2. Mailing address: 12th Floor, Tongjing Building, No. 2 Pingguoyuan Road, Shijingshan District, Beijing; Postal code: 100041.