SAA/SNZ HB32:1995

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Control of microbial growth in air-handling and water systems in buildings

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Provides guidance for microbial control of both air-handling and water systems of buildings. The Handbook is intended to provide users with additional information to support the specific requirements of AS/NZS 3666 Parts 1 and 2 (1995).

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About this publication

PREFACE

ACKNOWLEDGMENTS

INTRODUCTION

1 AIR-HANDLING SYSTEMS IN BUILDINGS

1.1 General

1.2 Air intakes and exhaust air outlets

1.3 Location

1.4 Air filters

1.5 Humidifiers

1.6 Evaporative coolers

1.7 Cooling coils, trays, sumps and drains

1.7.1 Cooling coils

1.7.2 Trays and sumps

1.7.3 Condensate and equipment drainage

1.8 Fan assemblies

1.9 Ductwork

1.9.1 Design and installation

1.9.2 Drainage

1.9.3 Access for inspection and cleaning

1.10 Terminal units

1.11 Commissioning and balancing

2 WATER STORAGE

3 HOT WATER SYSTEMS

4 WARM WATER ABLUTION SYSTEMS

5 HEATED SPA POOLS

6 COOLING WATER SYSTEMS

6.1 General

6.2 Access for maintenance

6.3 Flushing

6.4 Construction

6.5 Stand-by facilities

6.6 Exhaust discharges

6.7 Drift control

6.8 Water treatment

6.9 Control of solids

6.10 Start-up cleaning

6.11 Maintenance

6.11.1 General

6.11.2 Water treatment inspection

6.11.3 Mechanical/electrical maintenance inspection

6.11.4 Maintenance activities

6.12 Decontamination

7 SAFETY PRECAUTIONS

7.1 General

7.2 Respiratory protection

7.3 Skin protection

7.4 Eye protection

7.5 Safety practices and procedures

7.5.1 General inspections, routine cleaning and maintenance work

7.5.2 Decontamination

7.5.3 Cleaning procedures

7.5.4 Chemical handling

7.6 Water treatment

7.7 Working in confined spaces

8 DOCUMENTATION FOR MAINTENANCE MANAGEMENT

8.1 General

8.2 Water treatment literature

8.3 Operating and maintenance manuals

8.4 Maintenance records

8.5 Inspection reports

9 BUILDING HYGIENE SURVEYS

10 REFERENCED DOCUMENTS