AS/NZS 3666.3:2011
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.
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AS/NZS 3666.3:2011 AIR-HANDLING AND WATER SYSTEMS OF BUILDINGS-MICROBIAL CONTROL - PERFORMANCE-BASED MAINTENANCE OF...
PREFACE
CONTENTS
FOREWORD
SECTION 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
1.6.1 Cycles of concentration
1.6.2 Key performance indicator
1.6.3 Total dissolved solids (TDS)
1.7 TESTING
SECTION 2 IDENTIFICATION AND ASSESSMENT OF RISK FACTORS
2.1 SCOPE OF SECTION
2.2 RISK FACTORS
2.3 RISK ASSESSMENT
2.4 WATER TREATMENT
SECTION 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
3.4.3 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 - COOLING WATER SAMPLING PROCEDURE
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 - ON-LINE DISINFECTION PROCEDURE FOR COOLING WATER SYSTEMS
B1 SCOPE
B2 BIODISPERSANT
B3 DISINFECTION
B4 CIRCULATION
B5 OPERATION
B6 RECORD KEEPING
APPENDIX C - DECONTAMINATION PROCEDURES FOR COOLING WATER SYSTEMS
C1 SCOPE
C2 ON-LINE DECONTAMINATION
C3 SYSTEM DECONTAMINATION
APPENDIX D - GUIDELINES FOR THE USE OF PERSONAL PROTECTIVE EQUIPMENT DURING INSPECTION AND MAINTENANCE OF COOLING WATER...
D1 GENERAL
D2 ISSUE AND CARE OF PERSONAL PROTECTION EQUIPMENT
BIBLIOGRAPHY
Previous versions
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References
Waters - Examination for Legionella spp. including Legionella pneumophila
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AS/NZS 3666.3:2011 AIR-HANDLING AND WATER SYSTEMS OF BUILDINGS-MICROBIAL CONTROL - PERFORMANCE-BASED MAINTENANCE OF...
PREFACE
CONTENTS
FOREWORD
SECTION 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
1.6.1 Cycles of concentration
1.6.2 Key performance indicator
1.6.3 Total dissolved solids (TDS)
1.7 TESTING
SECTION 2 IDENTIFICATION AND ASSESSMENT OF RISK FACTORS
2.1 SCOPE OF SECTION
2.2 RISK FACTORS
2.3 RISK ASSESSMENT
2.4 WATER TREATMENT
SECTION 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
3.4.3 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 - COOLING WATER SAMPLING PROCEDURE
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 - ON-LINE DISINFECTION PROCEDURE FOR COOLING WATER SYSTEMS
B1 SCOPE
B2 BIODISPERSANT
B3 DISINFECTION
B4 CIRCULATION
B5 OPERATION
B6 RECORD KEEPING
APPENDIX C - DECONTAMINATION PROCEDURES FOR COOLING WATER SYSTEMS
C1 SCOPE
C2 ON-LINE DECONTAMINATION
C3 SYSTEM DECONTAMINATION
APPENDIX D - GUIDELINES FOR THE USE OF PERSONAL PROTECTIVE EQUIPMENT DURING INSPECTION AND MAINTENANCE OF COOLING WATER...
D1 GENERAL
D2 ISSUE AND CARE OF PERSONAL PROTECTION EQUIPMENT
BIBLIOGRAPHY
Previous versions
AS/NZS 3666.3:2011
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.