T/ZZXJX 200-2022 Active Group standards

T/ZZXJX 200-2022 Urban Drainage Pipe Repair Technical Regulations

Publish Date: 2022-12-08 Implement Date: 2022-12-08 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 200-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

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

Publish Date: 2022-12-08

Implement Date: 2022-12-08

Scope

Main technical content: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Basic requirements 5. Pipeline and inspection well repair design 5.1 General requirements 5.2 Material requirements 5.3 Lining design requirements 6. Pipeline and inspection well repair construction 6.1 General requirements 6.2 Pre-treatment of existing pipes 6.3 Point-based in situ curing method 6.4 Stainless steel sleeve method 6.5 Stainless steel double expansion ring repair method 6.6 Pipeline chemical grouting method 6.7 Hot water in situ curing method 6.8 UV light in situ curing method 6.9 Mechanical spiral wrapping method 6.10 Pipe lining method 6.11 Broken pipe method 6.12 Lining method 6.13 Inspection well repair 7. Project acceptance 7.1 General requirements 7.2 Pre-treatment acceptance of existing pipes and inspection wells 7.3 Acceptance of pipeline repair and inspection well renovation 7.4 Functional testing of pipelines 7.5 Project completion acceptance