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BS 5839-9:2021 – TC

BS 5839-9:2021 – TC

$280.87

Tracked Changes. Fire detection and fire alarm systems for buildings – Code of practice for the design, installation, commissioning and maintenance of emergency voice communication systems

Published By Publication Date Number of Pages
BSI 2021 160
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PDF Catalog

PDF Pages PDF Title
1 30443156
89 A-30416720
93 Foreword
95 Introduction
96 Section 1: General
1 Scope
2 Normative references
97 3 Terms and definitions
100 4 Need for an emergency voice communication system
101 5 Exchange of information and definition of responsibilities
102 6 Variations from the recommendations of this British Standard
103 Section 2: Design considerations
7 Purpose
104 8 System circuitry and software
105 9 Audio and data signal paths
106 10 Fault monitoring and indication
10.1 Fault conditions
107 10.2 Fault indications
108 10.3 Audible fault warning
10.4 Resetting from the fault warning condition
10.5 Monitoring of software-controlled equipment
10.6 Monitoring of memory contents
109 10.7 System integrity
11 Outstations
11.1 General
110 11.2 Controls
11.3 Indications
111 11.4 Electrical performance
11.5 Mechanical details
112 11.6 Location
114 11.7 Audio frequency induction loop systems
Figure 1 — Measuring field strength – plan view
115 Figure 2 — Measuring field strength – side view
12 Master stations
12.1 General
117 12.2 Controls
118 12.3 Indicators
119 12.4 Electrical performance
120 12.5 Mechanical construction
12.6 Location
121 13 Power supplies
122 13.1 Recommendations for low voltage mains power supplies
123 13.2 Recommendations for EVC system power supply units
124 14 Cables, wiring and other interconnections
126 15 Wireless-linked EVC systems
129 16 Environmental conditions
130 17 Electromagnetic compatibility
18 Electrical safety
132 Section 3: Installation
19 Responsibilities of the installer
20 Installation practices and workmanship
133 21 Testing of wiring
135 Section 4: Commissioning and handover
22 Commissioning
136 23 Documentation
137 24 Certification
138 25 Acceptance
139 26 Verification
27 Training
141 Section 5: Maintenance
28 Routine testing
28.1 Recommendations for weekly testing by the user
28.2 Recommendations for monthly attention by the user
142 29 Inspection and servicing
29.1 Recommendations for quarterly inspection of a vented battery
29.2 Recommendations for six-monthly inspection and test of the system
143 30 Non-routine attention
146 Section 6: User responsibilities
31 Premises management
32 Logbook
147 Annex A (informative)  Explanation of access level
148 Annex B (normative)  Method for calculating standby battery capacity
149 Annex C (normative)  Modified subclauses from BS EN 54-2:1997+A1
151 Annex D (informative)  Model certificates
159 Bibliography

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BS 5839-9:2021 - TC
$280.87