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    AS/NZS 3666.1:1995

    AvailableSuperseded An Available Superseded Standard is one, which has been made available for a period of time although it has been formally superseded by another Standard. Its availability is maintained where it is referenced in legislation/regulations or in other Standards and its use should be restricted to where so referenced. No responsibility is taken by SAI Global as to the ongoing technical validity of such a Standard, the responsibility resting with the referencing authority.

    Air-handling and water systems of buildings - Microbial control Design, installation and commissioning

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

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    Published date:  05-08-1995

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    1 - AS/NZS 3666.1:1995 AIR-HANDLING AND WATER SYSTEMS OF BUILDINGS - MICROBIAL CONTROL - DESIGN, INSTALLATION AND COMMISSIONING
    4 - PREFACE
    5 - CONTENTS
    6 - FOREWORD
    10 - SECTION 1 SCOPE AND GENERAL
    10 - 1.1 SCOPE
    10 - 1.2 OBJECTIVE
    10 - 1.3 APPLICATION
    11 - 1.4 REFERENCED DOCUMENTS
    12 - 1.5 DEFINITIONS
    12 - 1.5.1 Aerosol
    12 - 1.5.2 Air filter
    12 - 1.5.3 Air-handling plant
    12 - 1.5.4 Air-handling system
    12 - 1.5.5 Air intake
    12 - 1.5.6 Air outlet
    12 - 1.5.7 Approved and approval
    12 - 1.5.8 Biocide
    12 - 1.5.9 Bleed-off (or Blowdown)
    12 - 1.5.10 Building
    12 - 1.5.11 Clean
    12 - 1.5.12 Cleaning
    12 - 1.5.13 Coil
    12 - 1.5.14 Commissioning
    12 - 1.5.15 Competent person
    12 - 1.5.16 Cooling tower
    12 - 1.5.17 Cooling water system
    12 - 1.5.18 Corrosion resistant
    12 - 1.5.19 Dead-leg
    13 - 1.5.20 Drift
    13 - 1.5.21 Duct
    13 - 1.5.22 Ductwork
    13 - 1.5.23 Evaporative air cooler
    13 - 1.5.24 Evaporative condenser
    13 - 1.5.25 Exhaust outlet
    13 - 1.5.26 Hot water
    13 - 1.5.27 Humidifier
    13 - 1.5.28 Humidifier fever
    13 - 1.5.29 Hypersensitivity pneumonitis
    13 - 1.5.30 Installation
    13 - 1.5.31 Legionnaires disease
    13 - 1.5.32 May
    13 - 1.5.33 Pontiac fever
    13 - 1.5.34 Recirculation
    13 - 1.5.35 Regulatory authority
    13 - 1.5.36 Shall
    13 - 1.5.37 Should
    13 - 1.5.38 Sole occupancy dwelling
    13 - 1.5.39 Terminal unit
    13 - 1.5.40 Warm water
    14 - SECTION 2 DESIGN, INSTALLATION AND COMMISSIONING OF AIR-HANDLING SYSTEMS
    14 - 2.1 GENERAL
    14 - 2.1.1 Outdoor air
    14 - 2.1.2 Access for maintenance
    14 - 2.1.3 Provision for maintenance
    14 - 2.1.4 Building plans
    14 - 2.2 AIR INTAKES
    14 - 2.2.1 General
    14 - 2.2.2 Location
    14 - 2.3 EXHAUST AIR OUTLETS
    14 - 2.3.1 General
    14 - 2.3.2 Location
    14 - 2.4 AIR FILTERS
    15 - 2.5 HUMIDIFIERS
    15 - 2.5.1 Location
    15 - 2.5.2 Integration of controls
    15 - 2.5.3 Precipitation of moisture
    15 - 2.5.4 Disposal of moisture
    15 - 2.6 EVAPORATIVE AIR COOLERS
    15 - 2.6.1 Materials and construction
    15 - 2.6.2 Location
    15 - 2.6.3 Drains
    15 - 2.7 COILS
    15 - 2.7.1 General
    15 - 2.7.2 Disposal of condensate
    15 - 2.8 TRAYS AND SUMPS
    15 - 2.8.1 General
    16 - 2.8.2 Materials and construction
    16 - 2.8.3 Collection of condensate and water
    16 - 2.9 CONDENSATE AND EQUIPMENT DRAINAGE
    16 - 2.9.1 General
    16 - 2.9.2 Discharge
    16 - 2.10 FAN ASSEMBLIES
    16 - 2.11 DUCTWORK AND COMPONENTS
    16 - 2.11.1 Design and installation
    16 - 2.11.2 Drainage
    16 - 2.11.3 Access for inspection and cleaning
    17 - 2.12 TERMINAL UNITS
    17 - 2.13 COMMISSIONING
    18 - SECTION 3 DESIGN, INSTALLATION AND COMMISSIONING OF HEATED WATER SYSTEMS
    18 - 3.1 GENERAL
    18 - 3.1.1 Access for maintenance
    18 - 3.1.2 Provision for maintenance
    18 - 3.1.3 Materials
    18 - 3.1.4 Pumps
    18 - 3.1.5 Water treatment units
    18 - 3.1.6 Water storage tanks
    18 - 3.1.7 Layout
    18 - 3.2 HOT WATER SYSTEMS
    18 - 3.3 WARM WATER ABLUTION SYSTEMS
    18 - 3.4 COMMISSIONING
    19 - SECTION 4 DESIGN, INSTALLATION AND COMMISSIONING OF COOLING WATER SYSTEMS
    19 - 4.1 GENERAL
    19 - 4.1.1 Access for maintenance
    19 - 4.1.2 Provision for maintenance
    19 - 4.1.3 Water treatment systems
    19 - 4.1.4 Materials
    19 - 4.1.5 Cooling towers
    20 - 4.2 PUMPS
    20 - 4.3 LOCATION
    20 - 4.4 DRIFT CONTROL
    20 - 4.5 CONTROL OF SOLIDS
    20 - 4.6 SUNLIGHT
    21 - 4.7 COMMISSIONING

    Abstract - (Show below) - (Hide below)

    Specifies minimum requirements for design, installation and commissioning of air-handling and water systems in buildings to assist in the control of microorganisms. It does not apply to sole occupancy dwellings, nor is it intended for the control of the wide range of discomfort symptoms which may affect the occupants of some buildings.

    Scope - (Show below) - (Hide below)

    This Standard specifies minimum requirements for the design, installation and commissioning of air-handling and water systems of buildings, other than sole occupancy dwellings. It does not include refrigerated room air-conditioners and nonducted split systems.NOTE: Air-handling and water systems which are not dedicated to a sole occupancy dwelling come within the scope of this Standard.Requirements specified in this Standard are not intended for the control of the wide range of discomfort symptoms which may afflict the occupants of some buildings.NOTES:1 The Standard covers the most common known sources of the diseases associated with air-handling and water systems of buildings. Other sources, both known and potential, include cooling water systems for refrigeration equipment and air compressors, industrial heat exchangers when opened for cleaning, decorative fountains, spray irrigation systems, and industrial water-based cutting fluid systems.2 In the event of an outbreak of Legionnaires disease, special action is necessary. This will be advised by the health authorities.3 Further information on the control of microbial growth in air-handling and water systems of buildings is given in SAA/SNZ HB32.4 SAA HB61 provides details of the standard specifications in the NATSPEC series.5 Operation and maintenance requirements are given in AS/NZS 3666.2.

    General Product Information - (Show below) - (Hide below)

    Committee ME-062
    Document Type Standard
    Publisher Standards Australia
    Status AvailableSuperseded
    Superseded By
    Supersedes

    History - (Show below) - (Hide below)

    Under Revision see DR 00268 First published as part of AS 3666-1989.Jointly revised and redesignated in part as AS/NZS 3666.1:1995. First published as part of AS 3666-1989. Jointly revised and redesignated in part as AS/NZS 3666.1:1995.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 3500.1-1992 National Plumbing and Drainage Code - Water supply
    AS 4254-1995 Ductwork for air-handling systems in buildings
    AS 3500.4-1994 National Plumbing and Drainage Code Hot water supply systems
    AS 1132.5-1973 Methods of test for air filters for use in air conditioning and general ventilation Arrestance efficiency, average arrestance efficiency, dust-holding capacity, and dust-holding capacity per unit of effective face area for test dusts Nos 1, 2 and 3
    AS 1892.1-1986 Portable ladders - Metal
    AS 2865-1995 Safe working in a confined space
    AS 1851.6-1997 Maintenance of fire protection equipment - Management procedures for maintaining the fire and smoke control features of air-handling systems
    AS 2345-1992 Dezincification resistance of copper alloys
    AS 4180.1-1994 Drift loss from cooling towers - Laboratory measurement - Chloride balance method
    AS 1470-1986 Health and safety at work - Principles and practices
    AS/NZS 3666.2:1995 Air-handling and water systems of buildings - Microbial control Operation and maintenance
    AS 1132.4-1973 Methods of test for air filters for use in air conditioning and general ventilation Arrestance efficiency, average arrestance efficiency, dust-holding capacity, and dust-holding capacity per unit of effective face area for test dust No 4
    AS 1657-1992 Fixed platforms, walkways, stairways and ladders - Design, construction and installation
    AS 1668.2-1991 The use of mechanical ventilation and air-conditioning in buildings Mechanical ventilation for acceptable indoor-air quality
    AS 3855-1994 Suitability of plumbing and water distribution systems products for contact with potable water
    AS 2913-1987 Evaporative air-conditioning equipment

    Standards Referencing This Book - (Show below) - (Hide below)

    AS/NZS 3666.2:1995 Air-handling and water systems of buildings - Microbial control Operation and maintenance
    AS/NZS 3666.3(INT):1998 Air-handling and water systems of buildings - Microbial control - Performance-based maintenance of cooling water systems
    AS 2913-2000 Evaporative airconditioning equipment (Reconfirmed 2016)
    AS 4254-2002 Ductwork for air-handling systems in buildings
    SAA/SNZ HB32:1995 Control of microbial growth in air-handling and water systems in buildings (Reconfirmed 2016)
    AS/NZS 3666.3:2000 Air-handling and water systems of buildings - Microbial control Performance-based maintenance of cooling water systems
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