T/CAS 752-2023 Rules for Work in Limited Spaces in Urban Drainage Pipelines
T/CAS 752-2023 Rules for Work in Limited Spaces in Urban Drainage Pipelines
Basic Information
Scope
Main Technical Content: 1. Scope This document specifies the terminology, classification, hazard identification, detection, assessment, routine operations, emergency response, and safety training for limited space operations in urban drainage pipelines and their ancillary structures. This document applies to routine limited space operations and safety management in urban drainage pipelines and their associated structures. It does not apply to emergency repairs, disaster response, firefighting, or operations in hazardous gas environments. 2. Normative References The content of the following documents is essential to this document through normative references. Among them, the referenced documents with a specified date apply only to the version corresponding to that date; the latest versions (including all amendment lists) of the unspecified referenced documents apply to this document. - GB 2811: Head Protection - Safety Helmets - GB/T 3608: Classification of Work at Height - GB 3836.1: Explosive Environments - Part 1: Equipment - General Requirements - GB 6095: Fall Protection - Safety Belts - GB 6220: Respiratory Protection - Long-Tube Respirators - GB 8958: Safety Regulations for Oxygen-Deficient Hazardous Operations - GB 12158: General Guidelines for Preventing Electrostatic Accidents - GB 12358: Workplace Environmental Gas Detection and Alarm Devices - General Technical Requirements - GB/T 13869: Guidelines for Electrical Safety - GB 14866: Technical Requirements for Personal Eye Protection - GB/T 16556: Self-Contained Open-Circuit Compressed Air Breathing Apparatus - GB/T 18664: Selection, Use, and Maintenance of Respiratory Protection Equipment - GB 20653: High-Visibility Warning Clothing for Occupational Use - GB 21148: Foot Protection - Safety Shoes - GB/T 23468: Safety Use Norms for Fall Protection Equipment - GB/T 23469: Fall Protection - Connectors - GB/T 24543: Fall Protection - Safety Ropes - GB/T 24544: Fall Pr