T/CCAA 68-2023 Non-excavation construction service evaluation specification
T/CCAA 68-2023 Non-excavation construction service evaluation specification
Basic Information
Scope
Scope: This document specifies the service requirements and service management requirements for trenchless construction, and provides service evaluation criteria. This document is applicable to third-party service certification, as well as self-evaluation and second-party evaluation by enterprises engaged in trenchless construction. Main technical content: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Service requirements 4.1 Contracting service projects 4.2 Service preparation 4.3 Construction process 4.4 Service quality acceptance and delivery 4.5 Warranty services 5. Service management requirements 5.1 General requirements 5.2 Service personnel 5.3 Infrastructure 5.4 Engineering materials and components 5.5 Service environment 5.6 Environmental and occupational health and safety 6. Service evaluation criteria 6.1 General principles 6.2 Evaluation methods 6.3 Evaluation results Appendix A (informative appendix): Third-level indicators and deduction standards