T/GDHES 006-2025 Guidance for Management and Control of Limited Spaces Operations in Water Environment Treatment Engineering Water Supply and Drainage。
T/GDHES 006-2025 Guidance for Management and Control of Limited Spaces Operations in Water Environment Treatment Engineering Water Supply and Drainage。
Basic Information
Scope
Scope: This document stipulates the basic provisions for the control of limited space operations in water supply and drainage projects, including the categories and levels of hazardous sources and risk levels, control measures, and application requirements, including but not limited to: new construction, expansion, renovation, and maintenance of water supply and drainage pipelines, water supply treatment, and wastewater treatment facilities. This document applies to risk control work involving limited space operations in water supply and drainage projects during water environment governance. Main technical content: (1) Guidelines main framework This guideline includes seven chapters, with the main content as follows: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Basic provisions 5. Classification of limited space operations 6. Control measures for limited space operations 7. Application of control results (2) Applicable scope This guideline can be applied to the control measures for limited space operations in municipal water supply and drainage projects during water environment governance. Other limited space operations in pipeline networks can be implemented with reference to this guideline.