T/CHCA 004-2023 Natural radioactivity monitoring technical specifications for road tunnel construction
T/CHCA 004-2023 Natural radioactivity monitoring technical specifications for road tunnel construction
Basic Information
Scope
Main technical content: The formulation of the "Technical Regulations for Radiation Monitoring in Highway Tunnels". This regulation adheres to the principle of people-oriented and service-oriented industries, and guides the workflow and working methods of natural radioactivity monitoring and evaluation in highway tunnel construction, ensuring the safety of highway tunnel construction. On the basis of summarizing the technical experience and scientific research results of natural radioactivity monitoring in highway tunnel construction, after analysis and sorting, experimental verification, and extensive solicitation of relevant opinions, this regulation was formulated. This regulation is divided into five chapters and four appendices. The main contents include: 1 General Provisions, 2 Terminology, 3 Basic Provisions, 4 Natural Radioactivity Monitoring, 5 Report Preparation Requirements, Appendix A - Original Record Form for Environmental γ Radiation Air Absorption Dose Rate Monitoring, Appendix B - Original Record Form for Sample Collection Information, Appendix C - Original Record Form for Radon Concentration Measurement, Appendix D - Recommended Detection and Analysis Methods Table.