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 OPERATORS INSTRUCTIONS
13 - 2.6 INSTALLERS 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