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GB/T 46376-2025Cleanrooms and associated controlled environments - Operation and maintenance service (English PDF)

洁净室及相关受控环境　运维服务

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 31, 2025

Implementation date

May 1, 2026

Scope

GB/T 46376-2025 is the English-translated version of 洁净室及相关受控环境　运维服务.

GB/T 46376-2025 is the Chinese standard "Cleanrooms and associated controlled environments - Operation and maintenance service". Its scope clause reads: This document specifies the principles, content, requirements, evaluation, and improvement of operation and maintenance services for cleanrooms and related controlled environments.

This document applies to the operation and maintenance services of cleanrooms and related controlled environments. Note. The content and requirements of operation and maintenance services are selected based on the industry's process requirements and application scenarios. Its clauses include terms and definitions.

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Document preview — GB/T 46376-2025

National Standard of the People's Republic of China

ICS: 13.040.35
Classification: C 70

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
Introduction
1.Scope
2 Normative References
3.Terms and Definitions
4.Operation and Maintenance Service Principles 3.
5.Operation and Maintenance Service Contents
6.Operation and maintenance service requirements 8.
7.Operation and Maintenance Service Evaluation and Improvement
Appendix A (Informative) 25 Testing Items for Cleanrooms and Related Controlled Environments
Appendix B (Informative) 26 Inspection Items for Cleanrooms and Related Controlled Environments
Appendix C (Informative) Cleanroom and Related Controlled Environment Maintenance Items, Contents, and Cycles
Appendix D (Informative) Contents for Evaluating the Quality of Operation and Maintenance Services
References

1 Scope

This document specifies the principles, content, requirements, evaluation, and improvement of operation and maintenance services for cleanrooms and related controlled environments.

This document applies to the operation and maintenance services of cleanrooms and related controlled environments.

Note. The content and requirements of operation and maintenance services are selected based on the industry's process requirements and application scenarios.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 8174 Testing and evaluation of thermal insulation performance of equipment and piping

GB/T 11446.1 Electronic Grade Water

GB/T 25915.1-2021 Cleanrooms and related controlled environments - Part 1.Classification of air cleanliness levels by particle concentration

GB/T 36527 Guidelines for Energy Conservation in Cleanrooms and Related Controlled Environments

GB/T 50050 Design Code for Industrial Circulating Cooling Water Treatment

GB 50189 Standard for Energy-Saving Design of Public Buildings

GB 50591 Cleanroom Construction and Acceptance Standard

GB 51251 Technical Standard for Smoke Control and Exhaust Systems in Buildings

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 cleanroom

A room with controlled and graded concentration of airborne particles is designed, constructed, and operated in a way that minimizes the entry, generation, and retention of particles within the room.

controlled.

Note 1.The levels are defined based on the concentration of airborne particles.

Note 2.Other factors affecting cleanliness levels, such as the concentration of airborne chemicals, microorganisms, or nanoscale particles, as well as factors affecting surface cleanliness, can also be considered.

Other factors related to the grade, such as the concentration of particles, nanoparticles, chemicals, or microorganisms, are specified and controlled.

Note 3.Related physical parameters such as temperature, humidity, pressure, vibration and static electricity can also be controlled as required.

[Source. GB/T 25915.1-2021, 3.1.1]

3.2 clean zone

A confined space where the concentration of airborne particles is controlled and graded. Its construction and operation control the entry, generation, and retention of particles within the space.

controlled.

Note 1.The concentration levels of airborne particles have been determined.

Other factors related to the grade, such as the concentration of particles, nanoparticles, chemicals, or microorganisms, are specified and controlled.

GB/T 42398 | GB/T 38800 | GB/T 36372 | GB/T 47506 | GB/T 47162 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 38 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 46376

Edition	Title	Revision	Status
GB/T 46376-2025	Cleanrooms and associated controlled environments - Operation and maintenance service	current edition	Current

This page sells the current edition, GB/T 46376-2025. Earlier editions are listed for reference only.

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