AS 1670.1-1995

1 - AS 1670.1-1995 FIRE DETECTION, WARNING CONTROL AND INTERCOM SYSTEMS-SYSTEM DESIGN, INSTALLATION AND COMMISSIONING - FIRE
4 - PREFACE
5 - CONTENTS
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 APPLICATION
7 - 1.3 REFERENCED DOCUMENTS
7 - 1.4 DEFINITIONS
7 - 1.4.1 Addressable system
7 - 1.4.2 Alarm investigation facility (AIF)
7 - 1.4.3 Alarm signalling equipment (ASE)
8 - 1.4.4 Alarm verification facility (AVF)
8 - 1.4.5 Approved and approval
8 - 1.4.6 Collective indication
8 - 1.4.7 Corridor
8 - 1.4.8 Cupboard
8 - 1.4.9 Distributed system
8 - 1.4.10 Extra-low voltage (ELV)
8 - 1.4.11 Level surface
8 - 1.4.12 Low voltage (LV)
8 - 1.4.13 Monitoring service
8 - 1.4.14 Occupied area
8 - 1.4.15 Power supply
8 - 1.4.16 Protected area
8 - 1.4.17 Protected building
9 - 1.4.18 Remote controlled equipment (RCE)
9 - 1.4.19 Sole occupancy unit
9 - 1.5 COMPLIANCE WITH OTHER STANDARDS
9 - 1.6 INTERPRETATION OF SPECIFIED LIMITING VALUES
10 - SECTION 2 GENERAL REQUIREMENTS
10 - 2.1 COMPONENTS
10 - 2.2 SEPARATION OF SYSTEMS
12 - SECTION 3 ALA RM ZONE LIMITATIONS
12 - 3.1 GENERAL
12 - 3.2 ADDRESSABLE SYSTEMS
13 - 3.3 DISTRIBUTED SYSTEMS
13 - 3.3.1 Classifications
13 - 3.3.2 General
14 - 3.3.3 Class 1 systems
15 - 3.3.4 Class 2 systems
15 - 3.3.5 Class 3 systems
15 - 3.3.6 Signal path fault indication
15 - 3.3.7 Signal path protection
16 - 3.4 INTERMIXING OF ACTUATING DEVICES
18 - SECTION 4 LOCATION OF DETECTORS
18 - 4.1 GENERAL
18 - 4.2 SPECIFIC LOCATIONS
18 - 4.2.1 Accessible service tunnels
18 - 4.2.2 Air-handling systems
19 - 4.2.3 Concealed spaces
19 - 4.2.4 Cupboards
20 - 4.2.5 External walls
20 - 4.2.6 Intermediate horizontal surfaces
20 - 4.2.7 Monitor, sawtooth, or gable ceilings or roofs
20 - 4.2.8 Near doors
20 - 4.2.9 Open grid (or egg crate) ceilings
20 - 4.2.10 Restricted access
21 - 4.2.11 Sole occupancy units
21 - 4.2.12 Stairways
21 - 4.2.13 Vertical shafts and openings
21 - 4.2.14 Walkways
21 - 4.3 LOCATIONS WHERE PROTECTION IS NOT REQUIRED
23 - SECTION 5 HEAT DETECTION SYSTEMS
23 - 5.1 GENERAL
23 - 5.2 SPACING AND LOCATION OF DETECTORS
23 - 5.2.1 Spacing between detectors for level surfaces
23 - 5.2.2 Spacing between detector for sloping surfaces
24 - 5.2.3 Spacing in concealed spaces requiring protection
24 - 5.2.4 Spacing from walls, partitions, or air supply openings
24 - 5.2.5 Reduced spacing
25 - 5.3 LINE-TYPE SYSTEMS-TUBULAR OR CABLE
29 - SECTION 6 SMOKE DETECTION SYSTEMS
29 - 6.1 GENERAL
29 - 6.2 SPACING AND LOCATION OF DETECTORS
29 - 6.2.1 General
29 - 6.2.2 Spacing between detectors for level surfaces
29 - 6.2.3 Spacing between detectors for sloping surfaces
30 - 6.2.4 Spacing in concealed spaces requiring protection
30 - 6.2.5 Spacing from walls, partitions, or air supply openings
31 - 6.2.6 Areas of high airflows
31 - 6.2.7 Spacing where additional protection is required
32 - 6.3 MULTIPOINT ASPIRATED SMOKE DETECTORS
32 - 6.3.1 General
32 - 6.3.2 System design
39 - SECTION 7 FLAME DETECTION SYSTEMS
39 - 7.1 GENERAL
39 - 7.2 SPACING AND LOCATION OF DETECTORS
39 - 7.3 FIXING OF DETECTORS
39 - 7.4 DETECTOR LENSES
39 - 7.5 PROTECTION FROM WEATHER
40 - SECTION 8 INSTALLATION REQUIREMENTS
40 - 8.1 GENERAL
40 - 8.2 POWER SOURCE
40 - 8.2.1 Power source (primary)
40 - 8.2.2 Power source (secondary)
41 - 8.2.3 Power source rating
41 - 8.2.4 Battery capacity
41 - 8.2.5 Batteries and enclosure
41 - 8.2.6 Power source calculations
42 - 8.2.7 Precaution against failure
42 - 8.2.8 Ancillary loads
42 - 8.3 CONNECTION OF EXISTING INSTALLATIONS
42 - 8.4 FIRE INDICATOR PANEL
42 - 8.4.1 General
42 - 8.4.2 Covering door
42 - 8.4.3 Remote location
43 - 8.4.4 Clearance
43 - 8.4.5 Detector location description
43 - 8.4.6 Documentation storage
43 - 8.4.7 CO labelling
44 - 8.5 SUBINDICATOR PANEL
44 - 8.6 ALARM VERIFICATION FACILITY
44 - 8.7 WARNING SYSTEMS
45 - 8.8 MANUAL CALL POINTS
45 - 8.9 REMOTE INDICATORS FOR FIRE DETECTORS
46 - 8.10 SMOKE AND FIRE DOOR RELEASE CONTROL
46 - 8.11 FIRE SUPPRESSION SYSTEM
47 - 8.12 FIRE SUPPRESSION SYSTEM SUPERVISION
47 - 8.13 CONTROL OF ANCILLARY DEVICES
47 - 8.14 VALVE MONITORING DEVICES
47 - 8.15 FLOW/PRESSURE SWITCHES
47 - 8.16 FIP INDICATORS
48 - 8.17 WIRING
48 - 8.17.1 General
48 - 8.17.2 Conductors
48 - 8.17.3 Cable colour
48 - 8.17.4 Telephone-type cable
49 - 8.17.5 Underground wiring
49 - 8.17.6 Aerial reticulation
49 - 8.17.7 Joints and terminations
49 - 8.17.8
49 - 8.18 MONITORING SERVICE
49 - 8.18.1 General
50 - 8.18.2 Alarm signalling equipment
50 - 8.18.3 Connection
50 - 8.19 WIRE FREE ALARM ZONE CIRCUITS
50 - 8.19.1 General
50 - 8.19.2 Transmitters
50 - 8.19.3 Receivers
50 - 8.20
51 - SECTION 9 COMMISSIONING
51 - 9.1 GENERAL
51 - 9.1.1 General
51 - 9.1.2 ‘As-installed’ drawings
51 - 9.2 COMMISSIONING OF INSTALLATION
51 - 9.2.1 Commissioning tests
53 - 9.2.2 Test results
53 - 9.3 STATEMENT OF COMPLIANCE
53 - 9.4 CIE DOCUMENTATION
54 - 9.5
55 - APPENDIX A - LIST OF REFERENCED AND RELATED DOCUMENTS
55 - REFERENCED DOCUMENTS
56 - RELATED DOCUMENTS
57 - APPENDIX B - GUIDANCE FOR THE SELECTION OF DETECTORS
57 - B1 INTRODUCTION
57 - B2 GENERAL NOTES ON DETECTORS
58 - B3 HEAT DETECTORS
58 - B3.1 General
59 - B3.2 Application
59 - B4 SMOKE DETECTORS
59 - B4.1 General
60 - B4.2 Application
62 - B5 FLAME DETECTORS
62 - B5.1 Flame characteristics
62 - B5.2 Detector characteristics
63 - B5.3 Selection
63 - B5.4 Field of view considerations
65 - B5.5 Spurious alarms
65 - B6 CO FIRE DETECTORS
65 - B6.1 General
65 - B6.2 Application
67 - APPENDIX C - WIRING SYSTEMS RATING
67 - C1 PROTECTION AGAINST EXPOSURE TO FIRE
67 - C2 PROTECTION AGAINST MECHANICAL DAMAGE
68 - C3 PROTECTION AGAINST HOSING WITH WATER
69 - APPENDIX D - EXAMPLES OF POWER SOURCE CAPACITY CALCULATIONS
69 - D1 BATTERY CAPACITY CALCULATIONS
70 - D2 PRIMARY POWER SOURCE CALCULATIONS
72 - APPENDIX E - FIRE ALARM SYMBOLS
74 - APPENDIX F - COMMISSIONING TEST REPORT
78 - APPENDIX G - STANDARD FORM OF STATEMENT OF COMPLIANCE FOR FIRE ALARM SYSTEMS

Specifies the design, installation and commissioning of automatic fire detection and alarm systems. Provides the user with in-depth information on distributed systems, revised spacing parameters, revised and expanded installation requirements and revised drawings utilizing the ISO based symbols.

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

First published as part of AS CA15-1961.
Second edition 1965.
Third edition 1967.
Fourth edition 1971.
Revised and redesignated AS 1670-1974.
Second edition 1983.
Revised and designated in part as AS 1670-1986.
Fourth edition AS 1670-1995.
Redesignated AS 1670.1-1995.