GB/T 18226-2000
Replaced
DB53/T 1447.4-2025
Active
Yunnan ProvinceLocal standards
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
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
Basic Information
Standard Code:
DB53/T 1447.4-2025
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Health, safety, and labor protection
ICS Name:
Integrated Road Engineering
Publish Date:
2025-07-29
Implement Date:
2025-10-29
Publisher:
云南省市场监督管理局
Development Information
Same series standard
DB53/T 1447.1-2025 Guidelines for the dual prevention system construction of safety risk classification control and hidden danger investigation and management in highway engineering construction - Part 1: General requirements
DB53/T 1447.2-2025
DB53/T 1447.3-2025
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
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
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