Standard
Track updates
AS/NZS 3666.3:2011
[Pending Revision]Air-handling and water systems of buildings — Microbial control, Part 3: Performance-based maintenance of cooling water systems
Outlines a performance-based approach to the maintenance of cooling water systems with respect to the control of microorganisms, including Legionellae, within such systems. This approach combines automatically regulated water treatment with monitoring, assessment and control strategies to help create a low risk environment within the cooling water system.
Published: 14/11/2011
Pages: 17
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Normative references
1.4 Functional statement
1.5 Performance requirements
1.6 Definitions
1.7 Testing
2 Identification and assessment of risk factors
2.1 Scope of section
2.2 Risk factors
2.3 Risk assessment
2.4 Water treatment
3 Performance monitoring and control
3.1 Scope of section
3.2 Presence of legionellae
3.2.1 Monitoring
3.2.2 Assessment
3.2.3 Control
3.3 Presence of other heterotrophic microorganisms
3.3.1 Monitoring
3.3.2 Assessment
3.3.3 Control
3.4 Water quality management
3.4.1 Monitoring
3.4.2 Assessment
3.4.2.1 General
3.4.2.2 Chemical analysis
3.4.2.3 Other checks
3.4.3 Control
3.5 Water temperature
3.5.1 Monitoring
3.5.2 Assessment
3.5.3 Control
3.6 Start up
3.7 Results and records
3.8 Evidence of compliance
Appendix A
A1 Scope
A2 Personnel carrying out sampling
A3 Sample storage and transport
A4 Particulars of sampling containers
A5 Particulars of sampling
A6 Technique of sample collection
Appendix B
B1 Scope
B2 Biodispersant
B3 Disinfection
B4 Circulation
B5 Operation
B6 Record keeping
Appendix C
C1 Scope
C2 On-line decontamination
C3 System decontamination
Appendix D
D1 General
D2 Issue and care of personal protection equipment
Bibliography
Cited references in this standard
[Superseded]
Water microbiology, Method 3.1: Heterotrophic colony count methods — Pour plate method using yeast extract agar
[Superseded]
Waters — Examination for Legionella spp. including Legionella pneumophila
[Pending Revision]
Air-handling and water systems of buildings — Microbial control, Part 2: Operation and maintenance
[Pending Revision]
Air-handling and water systems of buildings — Microbial control, Part 1: Design, installation and commissioning
[Superseded]
Selection of containers and preservation of water samples for microbiological analysis
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