T/YCST 001-2022 Active

Scope: This specification applies to the design, construction, and acceptance of hot water floor radiant heating projects in new, renovated, and expanded civil buildings, where the water temperature does not exceed 60℃ and the working pressure does not exceed 0.8MPa; Main technical content: The main chapters are as follows: 1. General Provisions: Specifies the purpose of preparing the specification and the scope of its application; 2. Terminology: Explains the main terms used in the specification; 3. Materials: Includes the main technical specifications of prefabricated soundproof and heat-insulating floor heating modules, adhesives, and gypsum self-leveling mortar; 4. Design: Includes the floor structure and water system design for prefabricated soundproof and heat-insulating floor heating modules using hot water floor radiant heating; 5. Construction: Includes requirements before construction, the laying of prefabricated soundproof and heat-insulating floor heating modules during construction, the installation of heating pipes, surface layer construction, and safety production and finished product protection; 6. Commissioning, completion acceptance, and post-operation and maintenance: Includes requirements for testing, completion acceptance, and post-operation and maintenance; Appendix A: Plan view of prefabricated floor heating modules; Appendix B: Plan view of prefabricated floor heating structures; Appendix C: Heat dissipation per unit area of hot water radiant floor heating; Appendix D: Selection of pipe materials; Appendix E: Hydraulic calculation of pipelines; Appendix F: Diameter of metal pipes and heating area; Appendix G: Design of prefabricated floor heating water systems; Explanation of terms used in this specification and a list of referenced standards.