T/CAS 746-2023 Active Group standards

T/CAS 746-2023 Drainage Pipe Air Bag Blocking Technical Regulations

Publish Date: 2023-07-10 Implement Date: 2023-07-10 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/CAS 746-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Drainage system

Publish Date: 2023-07-10

Implement Date: 2023-07-10

Scope

Main technical content: 1. Scope: This document specifies the classification of drainage pipe airbags, the implementation of airbag sealing operations, and the operation and maintenance of airbags. This document is applicable to the temporary sealing of drainage pipes during maintenance operations. 2. Normative reference documents: The content of the following documents is an integral part of this document through normative references in the text. Among them, the referenced documents with a specified date are applicable only to the version corresponding to that date; for the referenced documents without a specified date, the latest version (including all amendment documents) is applicable to this document. - GB 26123: Safety Requirements for Air Diving - CJJ 6: Technical Regulations for the Safety of Urban Drainage Pipe Maintenance 3. Terms and definitions: The following terms and definitions are applicable to this document. 3.1 Airbag: A product made of rubber and fiber fabrics or ultra-high molecular compound materials, which is placed in the drainage pipe and inflated to temporarily block water.