DB31/T 444-2022 Active Shanghai CityLocal standards

DB31/T 444-2022 Drainage pipeline TV and sonar detection evaluation technical regulations

DB31/T 444-2022 Drainage pipeline TV and sonar detection evaluation technical regulations

Publish Date: 2022-09-02 Implement Date: 2022-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DB31/T 444-2022

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Water supply and drainage equipment and devices

ICS Name: Drainage system

Publish Date: 2022-09-02

Implement Date: 2022-12-01

Pages: 56 pages

Scope

This document stipulates the basic requirements for the use of television and sonar to inspect municipal drainage pipes and ancillary facilities, pre-inspection preparations, equipment requirements, television inspection, sonar inspection, inspection well inspection, evaluation, inspection results data, and requirements for their informatized management.
This document is applicable to the inspection and evaluation of municipal drainage pipes and ancillary facilities using television and sonar. Visual inspection or other inspections with image records can be used as reference.

Development Information

Word Count: 100 Thousand words Pages: 56 pages

Replace the following standards

DB31/T 444-2009 Drainage pipeline TV and sonar detection evaluation technical specification

Referenced Standards

GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GJB 5433-2005 GB/T 36896.1-2018 Light duty remotely operated vehicles—Part 1:General provisions CJJ 6-2009 Technical specification for safety of urban sewer maintenance CJJ 61-2017 Technical specification for urban underground pipeline detection and survey CJJ 68-2016 Technical specification for operation,maintenance and security of sewers & channels and pumping stations in city and town CJJ 181-2012 Technical specification for inspection and evaluation of urban sewer

Related Standards

CJ/T 225-2006 Replaced

CJ/T 225-2006 Metal reinforced Polyethylene (PE) spirally corrugated pipe for underground sewer

Publish Date: 2006-06-26

CJ/T 231-2006 Active

CJ/T 231-2006 Unplasticized polyvinyl chloride(PVC-U)and glass microsphere composite pipes for drainage

Publish Date: 2006-06-26

CJ/T 233-2006 Replaced

CJ/T 233-2006 Plastics inspection chambers for sewerage in building area

Publish Date: 2006-07-25

CJ/T 250-2007 Replaced

CJ/T 250-2007 High density polyethylene pipes and fittings for drainage inside buildings

Publish Date: 2007-03-08

CJ/T 270-2007 Replaced

CJ/T 270-2007 Steel reinforced spirally wound Polyethylene(PE) drainage pipe

Publish Date: 2007-12-21

CJ/T 273-2008 Replaced

CJ/T 273-2008 Polypropylene sound insulating pipes and fittings for drainage

Publish Date: 2008-04-02