🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BS 5839-8:2023 – TC

BS 5839-8:2023 – TC

$280.87

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

Published By Publication Date Number of Pages
BSI 2023 227
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

PDF Catalog

PDF Pages PDF Title
138 Foreword
142 Section 1: General
Introduction
1 Scope
2 Normative references
144 3 Terms and definitions
147 4 Types of voice alarm system
151 5 Exchange of information and responsibilities
152 6 Variations from the recommendations of this document
154 Section 2: Design considerations
7 Interface between the fire detection and fire alarm system and the VAS
155 8 VASs in explosive gas or dust atmospheres
9 VAS components
156 10 Monitoring, integrity and reliability of circuits external to the VACIE
157 10.1 Fault monitoring
10.2 System integrity
158 11 Loudspeaker zones
159 12 Assistive listening systems
160 13 Loudspeakers
162 14 Voice sounders
163 15 Power amplifier reliability
164 16 Ambient noise sensing and compensation
17 Emergency microphones
165 Figure 1 — Example of pictogram for a standard microphone to mouth distance
Figure 2 — Example of pictogram for a close-talking microphone to mouth distance
166 18 Emergency messages
169 19 Audibility of attention-drawing signals and non-speech alarm broadcasts
170 20 Intelligibility of speech messages
171 20.1 Audibility
172 20.2 Measurement of intelligibility
Table 1 — Minimum number of assessment points
173 20.3 Objective intelligibility assessment
20.4 Subjective intelligibility assessment
174 21 Priorities
22 Voice alarm control and indicating equipment
175 22.1 Siting of the VACIE
22.2 Facilities provided by the VACIE
22.3 Facilities provided for visual indications
176 22.4 Facilities provided for control of the VAS
177 23 Distributed systems
178 24 Cybersecurity
25 Power supplies
179 25.1 Mains power supplies
181 25.2 VAS power supply units
25.3 Standby supplies
182 26 Cables, wiring and other interconnections
185 27 Radio-linked VASs
186 28 Climatic and environmental conditions
187 29 Radio and electromagnetic interference
188 30 Electrical safety
189 Section 3: Installation
31 Responsibility of installer
191 32 Installation practices and workmanship
192 33 Inspection and testing of wiring
193 Section 4: Commissioning and handover
34 Commissioning
194 35 Documentation
195 36 Certification
196 37 Acceptance
197 38 Verification
198 Section 5: Maintenance
39 Routine testing
199 40 Inspection and servicing
202 41 Non-routine attention
205 Section 6: User responsibilities
42 Premises management
206 43 Logbook
207 Annex A (informative)  Typical ambient noise levels and their effect on VAS design
208 Table A.1 — Example of design targets for emergency operation
Table A.2 — Typical occupational noise levels
211 Annex B (informative)  Voice alarm control and indicating equipment
213 Annex C (normative)  Standby battery calculations for valve-regulated lead acid batteries
216 Annex D (informative)  Model certificates
217 Figure D.1 — Model design certificate
218 Figure D.2 — Model installation certificate
219 Figure D.3 — Model commissioning certificate
220 Figure D.4 — Model acceptance certificate
221 Figure D.5 — Model verification certificate
222 Figure D.6 — Model inspection and servicing certificate
223 Figure D.7 — Model modification certificate
224 Bibliography

Related products

BS 5839-8:2023 - TC
$280.87