Fire detection and fire alarm systems for buildings
Part 8: Code of practice for the design installation mission ingandmaintenance of voicealarmsystems
Adjustment :Ali MohammadAkhavanDATE:7May2017
Publishing and copyright information
The BSI copyright notice displayed in this document indicates when the documentwas last issued.
@ The British Standards Institution 2013 Published by BSI Standards Limited 2013
ISBN 978 0 580 77925 1
ICS 13.220.20; 13.320
The following BSI references relate to the work on this document:Committee reference FSH/12Draft for ment 12/ DC
Publication history
First published February 1998 Second edition May 2008Third (current) edition March 2013
Contents
Foreword
Section 1:General 1 Scope A2 Normative references Terms and definitions3 4 Need for a VAS 5 25 6 Types of systems Exchange of information and responsibilies 57 Variations from the remendations of this standard 8Section 2: Design considerations denepedessd8 9 InterfacebetweenthefiredetectionandfirealamsystemandheVAS10 11 System ponents Systems in explosive gas or dust atmospheres 15 1512 Monitoring integrity and reliability of circuits externalto the VACIE 1514 13 Loudspeaker zones Loudspeakers 81 1815 Power amplifiers Voice sounders 2016 17 Ambient noise sensing and pensation controller (ANS) 22 2119 18 Emergency microphones Emergency message generators 2220 Emergency messages 2521 22 Audibility of non-speech broadcast Inteligibity of speech messages 2823 Priorities contol and indicating equipment (VACIE)32 3224 25 Networked systems Voice alarm 3426 27 Power supplies Cables wiring and other interconnections 36 3928 Radio -linked systems 4230 29 Radio and electrical interference and environmental conditions 44 4431 Electrical safety 45Section3:Installation Responsibility of installer 48 4833 Installation practices and workmanship 5034 Inspection and testing of wiring 51Section 4:Commissioning and handover 35 Commissioning 53 5336 37 Certification Documentation 55 5438 Acceptance 56Section 5:Maintenance 39 Verification 5740 Routine testing 58 5841 42 Inspection and servicing Non-routine attention 61 59Section 6:User responsibilities 6543 Premises management 6544 Logbook 65
Annexes
Bibliography82
List of figures
List of tables
Summary of pages
Annex A (informative) Typical ambient noise levels and their effect onsystem design67Annex B (informative) Voice alarm control and indicating equipment 69 Annex C (normative) Standby battery calculations 71Annex D (informative) Model certificates 75
Figure 1 - Example of pictogram for a standard microphone to mouthdistance23Figure 2 Example of pictogram for a close-talking microphone 1 distance24 mouthFigure 3 - Evacuate broadcast sequence 26 Figure 4 - Alert broadcast sequence27Figure 5Example of 70/100 V line loudspeaker rcuitFigure 6 Example of network wiring 47
Table A.1 - Example of design criteria for public spaces in a hotel 6868
FIRE-GAS Table A.2-Example of typical realife noise levels
This document prises a front cover an inside front cover pages i to iv pages 1 to 82 an inside back cover and a back cover.
Foreword
Publishing information
This Part of BS 5839 is published by BSI Standards Limited under licence from The British Standards Institution and came into effect on 31 March 2013. It wasprepared by Submitte FSH/12/5 Fire alarm devices voice alarm evacuationsubsystems and emergency voice munications under the authority of Technical Committee FSH/12 Fire detection and fire alarm systems. A list of organizationsrepresented on this mittee can be obtained on request to its secretary.
Supersession
This part of BS 5839 supersedes BS 5839-8:2008 which is withe rawn.
Information about this document
This new edition introduces a number of technical c changesfull revision of the documents which will be undertaken in due course. The principal it does not constitute achanges introduced by this new edition are as follow
a)A new subclause 14.2 has been added to give remendations on the placement of loudspeakers.b)New remendations for audibility have been added to subclause 22.1.The text on cables and wirin ng(Clause 27) has been updated.(p The text on radio-linked systerms (Cla conflicts with BS EN 54 -25:2008. ause 28)has been modified to removee) The mentary to 40 has been modified to include more guidance onsystem testing and a new item b) has been added to subclause 40.1.) 50% (class AB) Annex C has(6 m peidau pue paou ueq su uosad eisuodseu e aueferer ces to *premises management" to avoid confusion with the termgislation.
Where appropriate this standard refers to BS EN 54 product standards particularlyse that apply to ponents of voice alarm systems.
Useof thisdocument
As a code of practice this standard takes the form of guidance and remendations.It should not be quoted as if it were a specification and particular care should be taken to ensure that claims of pliance are not misleading.
Any user claiming pliance with this standard is expected to be able to justify anycourse of action that deviates from its remendations.
its provisions will be entrusted to appropriately qualified and experienced people for It has been assumed in the preparation of this British Standard that the execution ofwhose use it has been produced.
Presentational conventions
The provisions in this standard are presented in roman (i.e. upright) type. Itsremendations are expressed in sentences in which the principal auxiliary verb is "should".
italic type and does not constitute a normative element.
