T/ZS 0275-2022 Active Group standards

T/ZS 0275-2022 The Pre-diagnostic Technical Regulations for Urban Drainage Network

Publish Date: 2022-04-29 Implement Date: 2022-05-10 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/ZS 0275-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Civil engineering and architecture

ICS Name: Drainage system

Publish Date: 2022-04-29

Implement Date: 2022-05-10

Scope

Scope: This document defines the working procedures and contents of pre-diagnostics for urban drainage pipe networks, including data collection, analysis of the topological relationship of the drainage system, analysis of water consumption and drainage volume, analysis of the operation data of sewage treatment plants (pump stations), monitoring of water quality and quantity, analysis of external water, determination of the degree of rainwater and sewage mixing, investigation of outlets, and pre-diagnostic results. This document is applicable to the analysis and pre-diagnostics of urban sewage and drainage pipe network systems. Main technical contents: Foreword 1 ; Scope 2; Normative reference documents 3; Terms and definitions 4; Basic requirements 5; Data collection 6; Analysis of the topological relationship of the drainage system 6.1; Drawing a "map" 6.2; Determining the intake range of pump stations 6.3; Determining the service range of sewage treatment plants 6.4; Determining key nodes 7; Analysis of water consumption and drainage volume 7.1; Residential areas, public buildings, and government institutions 7.2; Industrial enterprises 7.3; Statistics of comprehensive discharge of sewage and wastewater 8; Analysis of the operation data of sewage treatment plants (pump stations) 9; Monitoring of water quality and quantity 9.1; General requirements 9.2; Background value monitoring 9.3; External water monitoring 10; Analysis of external water 10.1; General requirements 10.2; Calculation of the proportion of external water 10.3; Evaluation of external water within the catchment area 10.4; Analysis of the inflow and infiltration of external water in pipeline sections crossing canals and rivers 11; Determination of the degree of rainwater and sewage mixing 11.1; General requirements 11.2; Determination method 12; Investigation of outlets 13; Pre-diagnostic results Appendix A (Normative) Pre-diagnostic workflow chart Appendix B (Informative) Urban drainage pipe network