Standards

DB53/T 1447.2-2025 Active

DB53/T 1447.2-2025

Publish Date: 2025-07-29

DB53/T 1447.3-2025 Active

DB53/T 1447.3-2025

Publish Date: 2025-07-29

DB53/T 1447.4-2025 Active

DB53/T 1447.4-2025 Risk classification control and hidden danger investigation and management dual prevention system construction guide for highway engineering construction, part 4: Tunnel engineering

Publish Date: 2025-07-29

DB53/T 1447.5-2025 Active

DB53/T 1447.5-2025 Guideline for the dual prevention system construction of safety risk classification control and hidden danger investigation and management in highway engineering construction - Part 5: Subgrade and Pavement Engineering

Publish Date: 2025-07-29

DB53/T 1447.6-2025 Active

DB53/T 1447.6-2025 Guidance for the dual prevention and management of safety risk classification and hidden danger investigation and control in highway engineering construction, part 6: Highway traffic safety facilities, landscaping, and environmental protection engineering

Publish Date: 2025-07-29

DB53/T 1448-2025 Active

DB53/T 1448-2025 Guidelines for the installation of safety signs for road asphalt storage facilities

Publish Date: 2025-07-29

DB53/T 1449-2025 Active

DB53/T 1449-2025 Intelligent tourism scenic area IoT interface specification

Publish Date: 2025-07-29

DB53/T 1450-2025 Active

DB53/T 1450-2025 Riparian Rainwater Collection and Utilization Technology Specification

Publish Date: 2025-07-29

DB53/T 347-2025 Active

DB53/T 347-2025 Tobacco black shank bacterium artificial inoculation identification method: seedling stage hydroponic inoculation method

Publish Date: 2025-07-29

DB5301/T 19-2025 Active

DB5301/T 19-2025 Park Green Space Design Guidelines

Publish Date: 2025-07-01

DB5301/T 20-2025 Active

DB5301/T 20-2025 Urban Road Greening Design Specification

Publish Date: 2025-07-01

DB5301/T 21-2025 Active

DB5301/T 21-2025 Residential Green Space Design Specification

Publish Date: 2025-07-01