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AS/NZS ISO 14644.4:2026
[Current]Cleanrooms and associated controlled environments, Part 4: Design, construction and start-up
AS/NZS ISO 14644.4:2026 specifies the process for creating a cleanroom from requirements through to its design, construction and start-up
Published: 13/03/2026
Pages: 56
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 General
3.2 Installation
4 Abbreviated terms
5 General
6 Requirements
6.1 Cleanroom requirements
6.2 Other requirements
6.3 Documentation
7 Design
7.1 General
7.2 Conceptual design
7.3 Basic design
7.4 Detailed design
7.5 Change management
8 Construction
8.1 General
8.2 Construction plan
8.2.1 General
8.2.2 Schedule
8.2.3 Quality plan
8.2.4 Clean build protocol
8.3 Construction verification
8.4 Documentation
9 Start-up
9.1 General
9.2 Commissioning
9.2.1 General
9.2.2 Setting to work
9.2.3 Functional and performance verifications
9.3 Training
9.4 Handover
9.5 Documentation
9.5.1 Commissioning documentation
9.5.2 Performance-monitoring instructions
9.5.3 Maintenance instructions
9.5.4 Maintenance record
9.5.5 Record of training
Annex A
A.1 General
A.2 Mechanisms of contamination
A.3 Monitoring cleanliness attributes
A.4 Checklist regarding requirements
Annex B
B.1 General
B.2 Contamination control concepts
B.2.1 Zoning
B.2.2 Segregation
B.2.2.1 General
B.2.2.2 Physical barrier concept
B.2.2.3 Aerodynamic segregation concept
B.2.3 Airflow concepts
B.2.3.1 Introduction
B.2.3.2 Unidirectional airflow
B.2.3.3 Non-unidirectional airflow
B.2.3.4 Combined airflow
B.3 Calculation of air volume flow rate for non-UDAF cleanroom
B.3.1 General
B.3.2 Source strengths
B.3.3 Ventilation effectiveness index
B.3.4 Further considerations for the calculation of air supply rate
B.3.5 Particle removal rate
B.4 Application of CFD
B.5 Selection of materials
B.5.1 General
B.5.2 Control of electrostatic charging and discharge
B.5.3 Considerations for specific components
B.5.3.1 Basic requirements
B.5.3.2 Walls, ceilings and associated systems
B.5.3.3 Floors
B.5.3.4 Doors
B.5.3.5 Air-handling systems
B.5.3.6 Fittings and furniture
B.5.3.7 Fixings, connections and sealings
B.6 Layout
B.6.1 General
B.6.2 Airlocks
B.6.3 Changing rooms
B.6.4 Workstation arrangement
B.6.5 Ancillary support areas and adjacent cleanrooms
B.6.6 Utility services and ancillary equipment
B.7 Checklist regarding design
Annex C
C.1 Construction and assembly of an installation
C.1.1 General
C.1.2 Material management during construction
C.1.3 Construction of ceilings, walls and floors
C.1.3.1 Basic requirements
C.1.3.2 Ceilings
C.1.3.3 Walls and wall systems
C.1.3.4 Floors
C.2 Clean build protocol
C.2.1 Cleanliness and cleaning during construction
C.2.2 Clean build protocol implementation
C.3 Construction personnel
C.4 Construction verification
C.5 Checklists regarding construction
Annex D
D.1 General
D.2 Pre-commissioning
D.3 Commissioning
D.3.1 General
D.3.2 Setting to work
D.3.3 Verification
D.3.3.1 General
D.3.3.2 Functional verification
D.3.3.3 Performance verification
D.4 Start-up documentation
D.5 Checklists regarding start-up
Bibliography
Cited references in this standard
[Current]
Cleanrooms and associated controlled environments — Part 1: Classification of air cleanliness by particle concentration
[Current]
Cleanrooms and associated controlled environments — Part 16: Energy efficiency in cleanrooms and separative devices
Content history
[Current]
[Superseded]
DR AS/NZS ISO 14644.4:2025
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