DB21/T 4383-2026
DB21 · 2026-01-07

Technical Code for Construction, Acceptance and Operation and Maintenance of Sponge City Projects

1Key Takeaways

This standard provides detailed guidelines for the construction, acceptance, and maintenance of sponge city projects. It outlines the technical requirements and procedures necessary to ensure the proper implementation and long-term operation of such infrastructure. The document covers key aspects including site prepara…

2Scope / Description

This standard provides detailed guidelines for the construction, acceptance, and maintenance of sponge city projects. It outlines the technical requirements and procedures necessary to ensure the proper implementation and long-term operation of such infrastructure. The document covers key aspects including site preparation, material selection, construction techniques, and quality control measures. Additionally, it establishes criteria for the evaluation of project performance and the maintenance strategies required to sustain the functionality of the infrastructure. The standard is structured to support both regulatory compliance and practical application in the field.

3Version History

DB21/T 4383-2026 2026-01-07

5Citation Network

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Cite this standard
5
Referenced herein
CJJ 1 CJJ 82 GB 50300 GB/T 25993 GB/T 50326

6Frequently Asked Questions

What is DB21/T 4383-2026?
DB21/T 4383-2026 — Technical Code for Construction, Acceptance and Operation and Maintenance of Sponge City Projects is an international standard developed by Liaoning Provincial Standard of the People's Republic of China. This standard provides detailed guidelines for the construction, acceptance, and maintenance of sponge city projects. It outlines the technical requirements and procedures necessary to ensure the proper implementation and long-term operation of such...
What does DB21/T 4383-2026 cover?
This standard covers: This standard provides detailed guidelines for the construction, acceptance, and maintenance of sponge city projects. It outlines the technical requirements and procedures necessary to ensure the proper implementation and long-term operation of such infrastructure. The document covers key aspects...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of DB21/T 4383-2026?
The current published version is DB21/T 4383-2026, published on 2026-01-07. Always check for amendments or pending revisions.
How do I purchase DB21/T 4383-2026?
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