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  • AS 1670.4-2004

    AvailableSuperseded An Available Superseded Standard is one, which has been made available for a period of time although it has been formally superseded by another Standard.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.
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    Fire detection, warning, control and intercom systems - System design, installation and commissioning Sound systems and intercom systems for emergency purposes

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

    Language(s):  English

    Published date:  23-04-2004

    Publisher:  Standards Australia

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

    1 - AS 1670.4-2004 FIRE DETECTION, WARNING, CONTROL AND INTERCOM SYSTEMS-SYSTEM DESIGN, INSTALLATION AND COMMISSIONING...
    4 - PREFACE
    5 - CONTENTS
    7 - FOREWORD
    8 - SECTION 1 SCOPE AND GENERAL
    8 - 1.1 SCOPE
    8 - 1.2 APPLICATION
    8 - 1.3 REFERENCED DOCUMENTS
    9 - 1.4 DEFINITIONS
    9 - 1.4.1 Alert signal
    9 - 1.4.2 Discharged battery
    10 - 1.4.3 Emergency call point
    10 - 1.4.4 Evacuate signal
    10 - 1.4.5 Evacuation zone
    10 - 1.4.6 Warning signal
    10 - 1.5 COMPLIANCE WITH OTHER STANDARDS
    10 - 1.6 INTERPRETATION OF SPECIFIED LIMITING VALUES
    11 - SECTION 2 GENERAL INSTALLATION REQUIREMENTS
    11 - 2.1 INDICATOR PANELS
    11 - 2.1.1 Location
    11 - 2.1.2 Physical working environment
    12 - 2.2 DISTRIBUTED EQUIPMENT PROTECTION
    12 - 2.3 WIRING
    12 - 2.3.1 Wiring protection
    12 - 2.3.2 Joints and terminations
    12 - 2.3.3 Separation from other systems
    12 - 2.4 EMERGENCY PROCEDURES
    13 - 2.5 OPERATOR™S INSTRUCTIONS
    13 - 2.6 INSTALLER™S STATEMENT
    14 - SECTION 3 POWER SUPPLY
    14 - 3.1 GENERAL
    14 - 3.2 MAIN POWER SOURCE
    14 - 3.3 STAND-BY POWER SOURCE
    14 - 3.4 POWER SOURCE RATING
    14 - 3.4.1 Main power source
    15 - 3.4.2 Stand-by power source
    15 - 3.5 BATTERY CAPACITY
    15 - 3.6 CHARGING CURRENT
    15 - 3.7 BATTERIES AND ENCLOSURES
    15 - 3.7.1 General
    16 - 3.7.2 Battery enclosures
    16 - 3.8 ANCILLARY LOADS
    17 - SECTION 4 SOUND SYSTEM INSTALLATION REQUIREMENTS
    17 - 4.1 GENERAL
    17 - 4.2 COMPONENTS
    17 - 4.3 FUNCTIONAL REQUIREMENTS
    17 - 4.3.1 Distribution of audible signals
    17 - 4.3.2 Initiation
    18 - 4.3.3 Alert signal duration
    18 - 4.3.4 Output of loudspeakers
    18 - 4.3.5 Voice message
    18 - 4.3.6 Intelligibility
    19 - 4.3.7 Visual warning devices and tactile warning devices
    19 - 4.3.8 Interconnection to the fire CIE
    19 - 4.3.9 Use of the sound system for non-emergency purposes
    19 - 4.4 WIRING
    19 - 4.4.1 Wiring protection
    20 - 4.4.2 Integrity of circuits
    20 - 4.4.3 Circuit supervision
    21 - 4.5 LOUDSPEAKERS
    21 - 4.5.1 General
    21 - 4.5.2 Connection facilities
    21 - 4.5.3 Stress on conductors and terminals
    23 - SECTION 5 INTERCOM SYSTEM INSTALLATION REQUIREMENTS
    23 - 5.1 GENERAL
    23 - 5.2 COMPONENTS
    23 - 5.3 WARDEN INTERCOM POINTS
    23 - 5.3.1 General
    23 - 5.3.2 Sound levels during and emergency
    23 - 5.3.3 Location
    23 - 5.3.4 Connection facilities
    24 - 5.3.5 Stress on conductors and terminals
    24 - 5.3.6 Crosstalk, clarity and intelligibility
    24 - 5.3.7 Aural call signal
    24 - 5.4 WIRING
    24 - 5.4.1 Wiring protection
    24 - 5.4.2 Integrity of circuits
    25 - 5.4.3 Circuit Supervision
    27 - SECTION 6 COMMISSIONING
    27 - 6.1 GENERAL CHECKS
    27 - 6.2 SPECIFIC SOUND SYSTEM CHECKS
    28 - 6.3 SPECIFIC INTERCOM SYSTEM CHECKS
    28 - 6.4 DOCUMENTATION
    28 - 6.4.1 General
    28 - 6.4.2 Log
    30 - APPENDIX A - MEASUREMENT OF SPEECH INTELLIGIBILITY
    30 - A1 CHOICE OF MEASUREMENT
    30 - A2 STATUS OF THE SOUND SYSTEM
    30 - A3 NUMBER OF MEASUREMENTS AND CALCULATION OF THE RESULT
    30 - A4 SOUND PRESSURE LEVEL (SPL)
    30 - A5 AMBIENT NOISE LEVEL
    32 - APPENDIX B - METHODS OF MEASURING SPEECH INTELLIGIBILITY
    32 - B1 GENERAL
    32 - B2 METHODS OF MEASUREMENT
    32 - B2.1 Speech transmission index (STI)
    32 - B2.2 Rapid (or room) acoustics speech transmission index (RASTI)
    32 - B2.3 Phonetically balance (PB) word scores
    32 - B2.4 Modified rhyme test (MRT)
    32 - B2.5 Articulation index (AI)
    33 - B2.6 Articulated loss of consonants
    33 - B3 LIMITATIONS OF THE METHODS
    33 - B3.1 General
    33 - B3.2 Speech transmission index (STI)
    33 - B3.3 RASTI
    33 - B3.4 Phonetically balanced (PB) word scores (256 and 1009 population)
    33 - B3.5 Articulation index
    33 - B3.6 Articulation loss of consonants
    34 - B4 CORRELATION OF THE RESULTS OF THE VARIOUS METHODS
    35 - APPENDIX C - WIRING SYSTEMS RATING
    35 - C1 PROTECTION AGAINST EXPOSURE TO FIRE
    35 - C2 PROTECTION AGAINST MECHANICAL DAMAGE
    35 - C2.1 General
    35 - C2.2 WS5X
    35 - C2.3 WS51
    35 - C2.4 WS52
    36 - C2.5 WS53
    36 - C2.6 WS54
    36 - C2.7 WS55
    36 - C3 PROTECTION AGAINST HOSING WITH WATER
    37 - APPENDIX D - (Informative)
    39 - APPENDIX E - COMMISSIONING TEST REPORT

    Abstract - (Show below) - (Hide below)

    Specifies requirements for the design, installation and commissioning of the components of sound systems and intercom systems for emergency purposes.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for the design, installation and commissioning of sound systems and intercom systems for emergency purposes comprising components complying with the requirements of the appropriate product Standards. NOTE: The general procedures for the use of the sound system and intercom system and the response of personnel are given in AS 3745.

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

    Committee FP-002
    Document Type Standard
    Publisher Standards Australia
    Status AvailableSuperseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    First published as part of AS 2220-1978.Revised and redesignated in part as AS 2220.2-1989.Revised and redesignated as AS 1670.4-2004. Originated as part of AS 2220-1978. Previous edition AS 2220.2-1989. Revised and redesignated as AS 1670.4-2004.

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

    AS 2484.2-1991 Fire - Glossary of terms Fire protection and firefighting equipment
    AS 60849-2004 Sound systems for emergency purposes (IEC 60849:1998 MOD)
    AS 1259.2-1990 Acoustics - Sound level meters Integrating - Averaging
    AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS 2220.1-1989 Emergency warning and intercommunication systems in buildings - Equipment design and manufacture
    AS 2293.1-1987 Emergency evacuation lighting in buildings - Design and installation
    AS 1259.1-1990 Acoustics - Sound level meters - Non-integrating
    AS 3745-2002 Emergency control organization and procedures for buildings, structures and workplaces
    AS 4428.4-2004 Fire detection, warning, control and intercom systems - Control and indicating equipment Intercommunication systems for emergency purposes
    AS/NZS 60950.1:2003 Information technology equipment - Safety General requirements (IEC 60950-1:2001, MOD)
    AS/NZS 3100:2002 Approval and test specification - General requirements for electrical equipment
    AS 1428.2-1992 Design for access and mobility Enhanced and additional requirements - Buildings and facilities (Reconfirmed 2015)
    AS 1603.11-2001 Automatic fire detection and alarm systems - Visual warning devices
    AS 2676.1-1992 Guide to the installation, maintenance, testing and replacement of secondary batteries in buildings - Vented cells
    AS 1670.1-1995 Fire detection, warning, control and intercom systems - System design, installation and commissioning - Fire
    AS 2706-2003 Numerical values - Rounding and interpretation of limiting values (Reconfirmed 2018)
    AS/NZS 3013:1995 Electrical installations - Classification of the fire and mechanical performance of wiring systems
    AS 1603.5-1996 Automatic fire detection and alarm systems - Manual call points
    AS 2659.1-1988 Guide to the use of sound measuring equipment - Portable sound level meters
    AS 2676.2-1992 Guide to the installation, maintenance, testing and replacement of secondary batteries in buildings - Sealed cells
    AS 4029.3-1993 Stationary batteries - Lead-acid Pure lead positive pasted plate type
    AS 4428.0-1997 Fire detection, warning, control and intercom systems - Control and indicating equipment - General requirements and test methods

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

    AS/NZS 3833:2007 The storage and handling of mixed classes of dangerous goods, in packages and intermediate bulk containers
    AS 2118.3-2010 Automatic fire sprinkler systems Deluge systems
    AS 1851-2012 Routine service of fire protection systems and equipment
    AS 60849-2004 Sound systems for emergency purposes (IEC 60849:1998 MOD)
    AS 4326-2008 The storage and handling of oxidizing agents
    AS 2118.2-2010 Automatic fire sprinkler systems Drencher systems
    AS 1603.11-2010 Automatic fire detection and alarm systems Visual warning devices
    AS 1940-2004 The storage and handling of flammable and combustible liquids
    AS 1603.17-2011 Automatic fire detection and alarm systems Warning equipment for people with hearing impairment
    AS/NZS 3000:2007 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS/NZS 2243.1:2005 Safety in laboratories Planning and operational aspects
    AS 3007.3-2004 Electrical installations - Surface mines and associated processing plant - General requirements for equipment and ancillaries
    AS 1428.5-2010 Design for access and mobility Communication for people who are deaf or hearing impaired (Reconfirmed 2016)
    AS 4825-2011 Tunnel fire safety
    AS 1851-2005 Maintenance of Fire Protection Systems and Equipment
    AS/NZS 3007:2013 Electrical equipment in mines and quarries - Surface installations and associated processing plant
    AS 4428.4-2004 Fire detection, warning, control and intercom systems - Control and indicating equipment Intercommunication systems for emergency purposes
    AS 1670.1-2004 Fire detection, warning, control and intercom systems - System design, installation and commissioning Fire
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