NZS 4512:2021
Fire detection and alarm systems in buildings
Standard provides a complete specification for the design, manufacture, installation, documentation, and maintenance of building fire detection and alarm systems. It is intended that this revised and updated standard will continue to be cited by the Acceptable Solutions and Verification Methods for the New Zealand Building Code (NZBC), be used as a baseline for the development of Alternative Solutions, and also to facilitate approval of evacuation procedures and schemes under the Fire and Emergency New Zealand (Fire Safety, Evacuation Procedures, and Evacuation Schemes) Regulations 2018. This standard does not specify what type of alarm system or alerting device is required for a particular building. Instead, based on declared functional requirements determined by the system owner, it provides an integrated set of rules for the correct design, manufacture, installation, commissioning, documentation, and maintenance of the system. This standard is applicable to fire alarm systems in buildings, except for single station or interconnected smoke alarms for houses which are covered in NZS 4514.
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NZS 4512 2021
Committee representation
Acknowledgement
Copyright
CONTENTS
Referenced documents
Latest revisions
Review of standards
Foreword
Transitional provisions
Outcome statement
NZS 4512_2021 title page
1 GENERAL
1.1 Scope
1.2 Objective
1.3 Interpretation
1.4 Definitions
1.5 Abbreviations
1.6 Declared functional requirements
1.7 Types of fire safety systems
1.8 Compliance
1.9 Legislative requirements
1.10 Quality of work, competency, and qualifications
1.11 Reliability
2 Design and construction – multi-zone fire alarm systems
2.1 Type and function
2.2 Zones
2.3 Ancillary services
2.4 Fire alarm
2.5 Silencing switches
2.6 Manual reset facilities
2.7 Evacuation and alert switches
2.8 Defect warning
2.9 Manual isolation from remote receiving centre
2.10 Indicating units, indicators, and alphanumeric display
2.11 Electrical supply
2.12 Battery charger
2.13 Rechargeable batteries
2.14 Non-rechargeable batteries
2.15 Construction of control and indicating equipment and power supplies
2.16 Detection system
2.17 Manual call points
2.18 Alerting devices
2.19 Addressable fire alarm systems
2.20 Networked fire alarm systems
2.21 Wireless detection technology
2.22 Environmental tests
2.23 Operational test
2.24 Electromagnetic interference and compatibility
2.25 Marking
2.26 Software-controlled equipment
3 Single-zone fire alarm systems
3.1 Functions
3.2 Limitation
3.3 Exceptions
4 Installation
4.1 Zones and sectors
4.2 Installation practice
4.3 Equipment location
4.4 Manual call point locations
4.5 Detector selection, location, position, coverage, and spacing
4.6 Alerting devices
4.7 Multi-point aspirating smoke detectors
4.8 Wireless detection technology
4.9 Delay timers
4.10 Owner isolation facilities
4.11 Explosive atmosphere installations
5 Commissioning
5.1 General
5.2 Visual examination
5.3 Tests on electrical equipment
5.4 Tests to verify correct operation and function
5.5 Inspection, testing, and compliance certification
5.6 System passwords
5.7 System details plate
6 Maintaining systems in compliance and good working order
6.1 General
6.2 Monthly checks and tests
6.3 Annual checks and tests
6.4 Emergency warning and intercommunication systems (EWIS) – Additional requirements
7 Precautions to be taken when a fire alarm is rendered inoperative
7.1 General
7.2 Risk assessment
7.3 Notification
7.4 Permanent disconnection
7.5 Authorisation
7.6 Resolution
8 System documentation and records
8.1 General
8.2 Design documentation
8.3 Commissioning documentation
8.4 Commissioning records
8.5 Testing and maintenance records
APPENDIX A – SIGNALLING TO A REMOTE RECEIVING CENTRE
APPENDIX B – TYPES OF FIRE SAFETY SYSTEMS
APPENDIX C – GUIDELINES FOR ASSESSMENT OF COMPETENCE AND QUALIFICATION
APPENDIX D – SUPPLEMENTARY DETECTORS AND SYSTEMS
APPENDIX E – SPECIFICATION FOR HEAT ACTUATED FIRE DETECTORS
APPENDIX F – SPECIFICATION FOR MANUAL CALL POINTS
APPENDIX G – AUDIBLE ALERTING SIGNALS
APPENDIX H – STANDARD ZONE INDEX SYMBOLS
APPENDIX J – SELECTION AND LOCATION OF FIRE DETECTORS
APPENDIX K – Applicability of 4.5.2, 4.5.3, and 4.5.4 to line-type heat DETECTORS and BEAM-TYPE smoke detectors
APPENDIX L – GUIDELINES FOR THE INSTALLATION OF VISUAL ALERTING DEVICES
APPENDIX M – INSTALLER’S DECLARATION OF COMPLETION FOR FIRE ALARM SYSTEM
APPENDIX N – CERTIFICATE OF COMPLIANCE FOR FIRE ALARM SYSTEM
APPENDIX P – NOTIFICATION FORMS – FIRE ALARM ISOLATION
Figure 1 – Manual call point location at entrances to vertical safe path per 4.4.1(e) (reproduced from BS 5839-1 by kind permision of BSI)
Figure 2 – Protection of built-in storage enclosures (for example, cupboards and wardrobes) flow chart
Figure 3 – Effect of protrusions (beam, joist, purlin) on detector location and spacing
Figure 4 – Typical detector locations at apex of ceiling, roof, or surface
Figure 4 – Typical detector locations at apex of ceiling, roof, or surface (continued)
Figure 5 – Heat detector annual sample testing flow chart
Figure 6 – Smoke detector annual sample testing flow chart
Figure A1 – Example layout of zones and sectors
Figure E1 – Ball pressure apparatus
Figure E2 – Resistance to shock test
Figure E3 – Rate-of-rise heat-actuated fire detectors
Figure F1 – Typical notice to be displayed on, or adjacent to, each manual call point
Figure G1 – Typical evacuation signal
Figure G2 – Alert signal
Figure L1 – Wall-mounted VAD coverage
Figure L2 – Ceiling-mounted VAD coverage
Figure L3 – Other type VAD coverage
Figure L4 – VAD location examples
Figure P1 – Typical form for notifying that an installation is to be rendered inoperative (Form P1)
Figure P1 – Typical form for notifying that an installation is to be rendered inoperative (Form P1) (continued)
Figure P2 – Typical notice of system impairment (Notice P2)
Figure P3 – Typical notice of significant system impairment (Notice P3)
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Previous versions
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NZS 4512:2010
Download
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NZS 4512:2003
Download
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- NZS 2139:1967 Download
- NZS 4512:2010
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References
Interconnected smoke alarms for houses
Fire sprinkler systems for life safety in sleeping occupancies (up to 2000 square metres)
Related Information
Building Code Compliance Document C
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1, AS2, VM2
Citation context:Similar Standards
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AS/NZS 1530.7:1998
Methods for fire tests on building materials, components and structures - Smoke control door and shutter assemblies - Ambient and medium temperature leakage test procedure
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AS/NZS 1668.1:2015
The use of ventilation and air conditioning in buildings - Part 1: Fire and smoke control in buildings -
AS/NZS 4869.1:2006
Maritime Survivor Locating Systems (MSLS) - Operating on 121.5 MHz
-
AS/NZS 4869.2:2010
Maritime Survivor Locating Systems (MSLS) - Operating on frequencies other than 121.5 MHz
NZS 4512 2021
Committee representation
Acknowledgement
Copyright
CONTENTS
Referenced documents
Latest revisions
Review of standards
Foreword
Transitional provisions
Outcome statement
NZS 4512_2021 title page
1 GENERAL
1.1 Scope
1.2 Objective
1.3 Interpretation
1.4 Definitions
1.5 Abbreviations
1.6 Declared functional requirements
1.7 Types of fire safety systems
1.8 Compliance
1.9 Legislative requirements
1.10 Quality of work, competency, and qualifications
1.11 Reliability
2 Design and construction – multi-zone fire alarm systems
2.1 Type and function
2.2 Zones
2.3 Ancillary services
2.4 Fire alarm
2.5 Silencing switches
2.6 Manual reset facilities
2.7 Evacuation and alert switches
2.8 Defect warning
2.9 Manual isolation from remote receiving centre
2.10 Indicating units, indicators, and alphanumeric display
2.11 Electrical supply
2.12 Battery charger
2.13 Rechargeable batteries
2.14 Non-rechargeable batteries
2.15 Construction of control and indicating equipment and power supplies
2.16 Detection system
2.17 Manual call points
2.18 Alerting devices
2.19 Addressable fire alarm systems
2.20 Networked fire alarm systems
2.21 Wireless detection technology
2.22 Environmental tests
2.23 Operational test
2.24 Electromagnetic interference and compatibility
2.25 Marking
2.26 Software-controlled equipment
3 Single-zone fire alarm systems
3.1 Functions
3.2 Limitation
3.3 Exceptions
4 Installation
4.1 Zones and sectors
4.2 Installation practice
4.3 Equipment location
4.4 Manual call point locations
4.5 Detector selection, location, position, coverage, and spacing
4.6 Alerting devices
4.7 Multi-point aspirating smoke detectors
4.8 Wireless detection technology
4.9 Delay timers
4.10 Owner isolation facilities
4.11 Explosive atmosphere installations
5 Commissioning
5.1 General
5.2 Visual examination
5.3 Tests on electrical equipment
5.4 Tests to verify correct operation and function
5.5 Inspection, testing, and compliance certification
5.6 System passwords
5.7 System details plate
6 Maintaining systems in compliance and good working order
6.1 General
6.2 Monthly checks and tests
6.3 Annual checks and tests
6.4 Emergency warning and intercommunication systems (EWIS) – Additional requirements
7 Precautions to be taken when a fire alarm is rendered inoperative
7.1 General
7.2 Risk assessment
7.3 Notification
7.4 Permanent disconnection
7.5 Authorisation
7.6 Resolution
8 System documentation and records
8.1 General
8.2 Design documentation
8.3 Commissioning documentation
8.4 Commissioning records
8.5 Testing and maintenance records
APPENDIX A – SIGNALLING TO A REMOTE RECEIVING CENTRE
APPENDIX B – TYPES OF FIRE SAFETY SYSTEMS
APPENDIX C – GUIDELINES FOR ASSESSMENT OF COMPETENCE AND QUALIFICATION
APPENDIX D – SUPPLEMENTARY DETECTORS AND SYSTEMS
APPENDIX E – SPECIFICATION FOR HEAT ACTUATED FIRE DETECTORS
APPENDIX F – SPECIFICATION FOR MANUAL CALL POINTS
APPENDIX G – AUDIBLE ALERTING SIGNALS
APPENDIX H – STANDARD ZONE INDEX SYMBOLS
APPENDIX J – SELECTION AND LOCATION OF FIRE DETECTORS
APPENDIX K – Applicability of 4.5.2, 4.5.3, and 4.5.4 to line-type heat DETECTORS and BEAM-TYPE smoke detectors
APPENDIX L – GUIDELINES FOR THE INSTALLATION OF VISUAL ALERTING DEVICES
APPENDIX M – INSTALLER’S DECLARATION OF COMPLETION FOR FIRE ALARM SYSTEM
APPENDIX N – CERTIFICATE OF COMPLIANCE FOR FIRE ALARM SYSTEM
APPENDIX P – NOTIFICATION FORMS – FIRE ALARM ISOLATION
Figure 1 – Manual call point location at entrances to vertical safe path per 4.4.1(e) (reproduced from BS 5839-1 by kind permision of BSI)
Figure 2 – Protection of built-in storage enclosures (for example, cupboards and wardrobes) flow chart
Figure 3 – Effect of protrusions (beam, joist, purlin) on detector location and spacing
Figure 4 – Typical detector locations at apex of ceiling, roof, or surface
Figure 4 – Typical detector locations at apex of ceiling, roof, or surface (continued)
Figure 5 – Heat detector annual sample testing flow chart
Figure 6 – Smoke detector annual sample testing flow chart
Figure A1 – Example layout of zones and sectors
Figure E1 – Ball pressure apparatus
Figure E2 – Resistance to shock test
Figure E3 – Rate-of-rise heat-actuated fire detectors
Figure F1 – Typical notice to be displayed on, or adjacent to, each manual call point
Figure G1 – Typical evacuation signal
Figure G2 – Alert signal
Figure L1 – Wall-mounted VAD coverage
Figure L2 – Ceiling-mounted VAD coverage
Figure L3 – Other type VAD coverage
Figure L4 – VAD location examples
Figure P1 – Typical form for notifying that an installation is to be rendered inoperative (Form P1)
Figure P1 – Typical form for notifying that an installation is to be rendered inoperative (Form P1) (continued)
Figure P2 – Typical notice of system impairment (Notice P2)
Figure P3 – Typical notice of significant system impairment (Notice P3)
- C1
- C2
- C3
- C4
- C5
- C6
- F7
Previous versions
-
NZS 4512:2010
Download
- C1
- C2
- C3
- C4
- C5
- C6
- F7
-
NZS 4512:2003
Download
- C1
- C2
- C3
- C4
- C5
- C6
- F7
- NZS 2139:1967 Download
- NZS 4512:2010
NZS 4512:2021
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.