T/ZZXJX 223-2022 Active Group standards

T/ZZXJX 223-2022 Code for inspection and maintenance of urban drainage pipelines

Publish Date: 2022-12-15 Implement Date: 2022-12-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZXJX 223-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Earthwork, excavation, foundation construction, and underground engineering

Publish Date: 2022-12-15

Implement Date: 2022-12-15

Scope

Main technical content: 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Basic provisions 5 TV inspection 5.1 General provisions 5.2 Technical requirements for TV inspection instruments 5.3 Inspection methods 5.4 Image interpretation 6 Sonic inspection 6.1 General provisions 6.2 Technical requirements for sonic inspection instruments 6.3 Inspection methods 6.4 Profile interpretation and measurement 7 Pipe endoscope inspection 7.1 General provisions 7.2 Technical requirements for pipe endoscope inspection instruments 7.3 Inspection methods 8 Ground-penetrating radar inspection 8.1 General provisions 8.2 Technical requirements for inspection instruments 8.3 Inspection methods 8.4 Image interpretation 9 Traditional method inspection 9.1 General provisions 9.2 Visual inspection 9.3 Simple tool inspection 9.4 Diving inspection 10 Inspection of manholes and storm drains 11 Comprehensive assessment of pipeline conditions 11.1 General provisions 11.2 Project naming rules, codes, and grades 11.3 Evaluation of the structural condition of pipelines 11.4 Evaluation of the functional condition of pipelines 11.5 Evaluation of the surrounding environment of pipelines 11.6 Output data