AS 1670.1-2004

1 - AS 1670.1-2004 FIRE DETECTION, WARNING, CONTROL AND INTERCOM SYSTEMS-SYSTEM DESIGN, INSTALLATIO AND COMMISSIONING - PART 1: F
4 - PREFACE
6 - CONTENTS
8 - SECTION 1 SCOPE AND GENERAL
8 - 1.1 SCOPE
8 - 1.2 APPLICATION
8 - 1.3 REFERENCED DOCUMENTS
10 - 1.4 DEFINITIONS
10 - 1.4.1 Adjacent
10 - 1.4.2 Alarm acknowledgment facility
10 - 1.4.3 Alarm signalling equipment
10 - 1.4.4 Alarm verification facility
10 - 1.4.5 Approval (approved)
10 - 1.4.6 Contiguous
10 - 1.4.7 Corridor
10 - 1.4.8 Cupboard
10 - 1.4.9 Designated building entry point
10 - 1.4.10 Designated site entry point
10 - 1.4.11 Distributed system
10 - 1.4.12 Extra-low voltage
11 - 1.4.13 Fire dispatch centre
11 - 1.4.14 Level surface
11 - 1.4.15 Low voltage
11 - 1.4.16 Monitoring service provider
11 - 1.4.17 Multi-sensor detector
11 - 1.4.18 Occupied area
11 - 1.4.19 Power supply
11 - 1.4.20 Protected area
11 - 1.4.21 Protected building
11 - 1.4.22 Separate cable path
11 - 1.4.23 Site
11 - 1.4.24 Sloping surface
11 - 1.4.25 Sole occupancy unit
11 - 1.4.26 Supervised
12 - 1.5 INTERPRETATION OF SPECIFIED LIMITING VALUES
13 - SECTION 2 SYSTEM CONFIGURATION
13 - 2.1 COMPONENTS
14 - 2.2 SEPARATION OF SYSTEMS
14 - 2.3 DESIGNATED ENTRY POINT
14 - 2.3.1 Designated building entry point
15 - 2.3.2 Designated site entry point
15 - 2.4 ALARM ZONE LIMITATIONS
17 - 2.5 ADDRESSABLE CIRCUITS
18 - 2.6 DISTRIBUTED SYSTEMS
18 - 2.6.1 Subindicator panels
18 - 2.6.2 Distributed parts of CIE
19 - 2.6.3 Signal path fault indication
20 - 2.6.4 Signal path protection
21 - SECTION 3 INSTALLATION REQUIREMENTS
21 - 3.1 GENERAL
21 - 3.2 ALARM ACKNOWLEDGMENT FACILITY
21 - 3.3 DEPENDENCY ON MORE THAN ONE ALARM SIGNAL (ALARM VERIFICATION FACILITY)
22 - 3.4 ALTERATIONS TO EXISTING INSTALLATIONS
22 - 3.5 MULTI-POINT ASPIRATING SMOKE DETECTORS
23 - 3.6 CONTROL OF ANCILLARY DEVICES
23 - 3.6.1 General
23 - 3.6.2 Fire suppression system activation
23 - 3.7 DETECTOR ALARM INDICATION
24 - 3.8 EXTERNAL ALARM INDICATION
24 - 3.9 FIRE INDICATOR PANEL
24 - 3.9.1 General
24 - 3.9.2 Covering door
24 - 3.9.3 Remote location
24 - 3.9.4 Clearance
25 - 3.10 ZONE BLOCK PLAN
25 - 3.11 CO FIRE DETECTOR LABELLING
25 - 3.12 FIRE SUPPRESSION SYSTEM
26 - 3.13 FLOW/PRESSURE SWITCHES
26 - 3.14 INTERMIXING OF ACTUATING DEVICES
26 - 3.15 MANUAL CALL POINTS
26 - 3.16 POWER SOURCES
26 - 3.16.1 Primary power source
26 - 3.16.2 Secondary power source
26 - 3.16.3 Power source rating
27 - 3.16.4 Battery capacity
28 - 3.16.5 Batteries and enclosure
28 - 3.16.6 Ancillary loads
28 - 3.17 REMOTE INDICATORS FOR FIRE DETECTORS
28 - 3.18 REMOTE MONITORING
28 - 3.18.1 General
28 - 3.18.2 Alarm signalling equipment
29 - 3.18.3 Connection
29 - 3.19 SMOKE AND FIRE DOOR RELEASE CONTROL
29 - 3.20 SUBINDICATOR PANEL (SIP)
29 - 3.21 VALVE MONITORING DEVICES
29 - 3.22 OCCUPANT WARNING
30 - 3.23 WIRE-FREE ALARM ZONE CIRCUITS
30 - 3.24 WIRING
30 - 3.24.1 General
31 - 3.24.2 Telecommunications-type cables
31 - 3.24.3 Conductors
31 - 3.24.4 Cable colour
31 - 3.24.5 Terminations
32 - 3.24.6 Joints
32 - 3.25 LOCATION OF DETECTORS
32 - 3.25.1 General
33 - 3.25.2 Accessible service tunnels
33 - 3.25.3 Air-handling systems
33 - 3.25.4 Concealed spaces
33 - 3.25.4.1 General
34 - 3.25.4.2 Electrical equipment
34 - 3.25.4.3 Remote indicators for fire detectors
34 - 3.25.5 Cupboards
34 - 3.25.6 Intermediate horizontal surfaces
34 - 3.25.7 Open grid ceilings
35 - 3.25.8 Restricted fire service access
35 - 3.25.9 Sole occupancy units
35 - 3.25.10 Stairwells
35 - 3.25.11 Transportable enclosures
35 - 3.25.12 Vertical shafts and openings
36 - 3.26 LOCATIONS WHERE DETECTORS ARE NOT REQUIRED
36 - 3.27 FIRE BRIGADE PANEL
37 - 3.28 MULTI-SENSOR DETECTORS
38 - SECTION 4 HEAT DETECTORS
38 - 4.1 SPACING AND LOCATION OF POINT-TYPE HEAT DETECTORS
38 - 4.1.1 General
38 - 4.1.2 Spacing between detectors for level surfaces
39 - 4.1.3 Spacing of detectors for sloping surfaces
39 - 4.1.4 Spacing from walls, partitions, or air supply openings
39 - 4.1.5 Reduced spacing
39 - 4.1.6 Spacing in concealed spaces requiring protection
39 - 4.2 LINEAR HEAT DETECTORS
44 - SECTION 5 SMOKE AND CO FIRE DETECTORS
44 - 5.1 SPACING AND LOCATION OF POINT-TYPE DETECTORS
44 - 5.1.1 General
44 - 5.1.2 Spacing between detectors for level surfaces
45 - 5.1.3 Spacing between detectors for sloping surfaces
45 - 5.1.4 Spacing from walls, partitions, or air supply openings
46 - 5.1.5 Areas of high airflows
46 - 5.1.6 Location of detectors on level surfaces with deep beams
47 - 5.1.7 Spacing in concealed spaces requiring protection
47 - 5.2 MULTI-POINT ASPIRATING SMOKE DETECTORS
47 - 5.2.1 General
47 - 5.2.2 System design
53 - SECTION 6 FLAME DETECTORS
53 - 6.1 LOCATION
53 - 6.2 SPACING
54 - SECTION 7 COMMISSIONING
54 - 7.1 GENERAL
56 - 7.2 DOCUMENTATION
57 - 7.3 LOG
58 - APPENDIX A - GUIDANCE FOR THE SELECTION OF DETECTORS
58 - A1 INTRODUCTION
58 - A2 GENERAL NOTES ON DETECTORS
59 - A3 HEAT DETECTORS OR HEAT ALARMS
59 - A3.1 General
60 - A3.2 Application
61 - A4 SMOKE DETECTORS OR SMOKE ALARMS
61 - A4.1 General
62 - A4.2 Application
62 - A4.2.1 General
62 - A4.2.2 Location considerations
63 - A4.2.3 Ceiling surfaces
63 - A4.2.4 Stratification
63 - A4.2.5 Airflow
63 - A4.2.6 Ducts
64 - A4.2.7 Special considerations
64 - A5 MULTI-SENSOR DETECTORS
64 - A6 ASPIRATING SMOKE DETECTORS
64 - A6.1 General
64 - A6.2 Detector principles
64 - A6.2.1 General
65 - A6.2.2 Light scatter
65 - A6.2.3 Particle counting
65 - A6.3 Types
65 - A6.3.1 General
65 - A6.3.2 Very high sensitivity (typically for up to 2000 m 2 )
65 - A6.3.3 Normal sensitivity (typically for a similar coverage of a single point detector)
65 - A6.4 Pipe network and aggregation
66 - A6.5 Flow sensing
66 - A6.6 Dust filters detection and rejection
66 - A6.7 Applications
67 - A7 CARBON MONOXIDE FIRE DETECTORS
67 - A7.1 General
67 - A7.2 Application
67 - A7.2.1 General
68 - A7.2.2 Stratification
68 - A7.2.3 Airflow
68 - A7.2.4 Ducts
68 - A7.2.5 Special considerations
68 - A8 FLAME DETECTORS
68 - A8.1 General
69 - A8.2 Radiation sources and inhibitors
69 - A8.2.1 General
69 - A8.2.2 Radiation sources
70 - A8.2.3 Radiation inhibitors
70 - A8.3 Ultraviolet flame detection techniques
70 - A8.3.1 Detection principles
70 - A8.3.2 Advantages
71 - A8.3.3 Limitations
71 - A8.4 Single-channel infra-red detectors
71 - A8.4.1 Detection principles
71 - A8.4.2 Advantages
72 - A8.4.3 Limitations
72 - A8.5 Ultraviolet/infra-red (single-channel) flame detectors
72 - A8.5.1 Detection principles
72 - A8.5.2 Advantage
72 - A8.5.3 Limitations
73 - A8.6 Dual-channel infra-red flame detectors
73 - A8.6.1 Detection principles
73 - A8.6.2 Advantages
73 - A8.6.3 Limitations
74 - A8.7 Triple-channel infra-red flame detectors
74 - A8.7.1 Detection principles
74 - A8.7.2 Advantages
75 - A8.7.3 Limitations
76 - APPENDIX B - FIRE RATED WIRING SYSTEMS
76 - B1 PROTECTION AGAINST EXPOSURE TO FIRE
76 - B2 PROTECTION AGAINST MECHANICAL DAMAGE
76 - B2.1 General
76 - B2.2 WSXX
76 - B2.3 WSX1
76 - B2.4 WSX2
77 - B2.5 WSX3
77 - B2.6 WSX4
77 - B2.7 WSX5
77 - B3 PROTECTION AGAINST HOSING WITH WATER
78 - APPENDIX C - EXAMPLES OF POWER SOURCE CAPACITY CALCULATIONS
78 - C1 BATTERY CAPACITY CALCULATIONS
78 - C1.1 Typical IQ calculation
79 - C1.2 Typical IA calculation
79 - C2 PRIMARY POWER SOURCE CALCULATIONS
79 - C2.1 Battery charger current calculation
80 - C2.2 Power supply requirement
81 - APPENDIX D - FIRE ALARM SYMBOLS
83 - APPENDIX E - COMMISSIONING TEST REPORT
87 - APPENDIX F - STANDARD FORM OF INSTALLER’S STATEMENT FOR FIRE ALARM SYSTEM

Specifies requirements for the design, installation and commissioning of fire detection and alarm systems.

This Standard sets out requirements for the design, installation and commissioning of fire detection and alarm systems comprising components complying with the requirements of the appropriate product Standards.

Originated as part of AS CA15-1961.
Previous edition AS 1670.1-1995.
AS 1670.1-1995 and AS 1670.2-1997 revised, amalgamated and designated as AS 1670.1-2004.
Reissued incorporating Amendment No. 1 (November 2005).