GB/T 42987-2023Requirements for data of urban underground space (English PDF)

National Standard of the People's Republic of China

ICS

07.040

Classification

A 75

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

• Preface
• 1 Scope
• 2 Normative reference documents
• 3 Terms and Definitions
• 4 Abbreviations
• 5 Basic requirements
• 5.1 Data content and classification
• 5.2 Space-time benchmark
• 5.3 Metadata
• 5.4 Data quality
• 6 Spatial data and relational data
• 6.1 Basic requirements
• 6.2 Geometric data
• 6.3 3D model data
• 6.4 Relational data
• 7 Underground building attribute data
• 8 Underground transportation facility attribute data
• 8.1 Rail transit facilities
• 8.2 Underground road facilities
• 8.3 Underground parking facilities
• 9 Underground pipeline attribute data
• 10 Comprehensive pipe corridor attribute data
• 11 Foundation property data
• 12 Geological attribute data
• 12.1 Geological survey and geological environment monitoring data
• 12.2 Analyze and evaluate result data
• Appendix A (Normative) Underground Space Data Classification
• Appendix B (Normative) Metadata Content
• Appendix C (normative) connectivity relationship data
• Appendix D (normative) Underground building attribute data
• Appendix E (Normative) Underground traffic data attribute data
• Appendix F (Normative) Underground pipeline data attribute data
• Appendix G (normative) Comprehensive pipe gallery data attribute data
• Appendix H (normative) Foundation property data
• Appendix I (normative) Geological data attribute data
• Appendix J (normative) General attribute data of underground space facilities
• Reference