T/UNP 691-2025 Active Group standards

T/UNP 691-2025 Technical Specifications for Construction Safety of Building Water Supply and Drainage Engineering

T/UNP 691-2025 Building Water Supply and Drainage Construction Safety Technical Specification

Publish Date: 2025-05-28 Implement Date: 2025-05-28 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/UNP 691-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The water supply system

Publish Date: 2025-05-28

Implement Date: 2025-05-28

Scope

Main technical content: This standard specifies the basic requirements for safe construction of building water supply and drainage projects, including work at height, operations in basements, pipe trenches and wells, pipeline operations, safety protection for electric tools, and water disinfection. For example, for work at height, protective facilities must be inspected and accepted; for basement operations, the voltage of portable lamps and the ventilation volume must be controlled; for pipeline operations, tools must be used in accordance with regulations and welding safety must be ensured; electric tools must comply with national standards and be inspected regularly; and for water disinfection, compliant equipment must be selected and the addition of disinfectant must be strictly controlled. This standard is applicable to the construction of new, expanded, or renovated buildings, as well as existing building water supply and drainage systems, helping to improve project safety and quality.