BS 5839-8 2013 建筑物火灾探测和火灾报警系统 第8部分 语音报警系统的设计安装、调试和维护操作规程.pdf

BRITISH STANDARD BS5839-8:2013 Contents Foreword Section 1:General 1Scope 2Normative references 3Terms and definitions2 4Need for a VAS5 5Types of systems5 6Exchange of information and responsibilies 7Variations from the remendations of this standard8 Section 2:Design considerations 8Relationship between system type and evacuation plan 9InterfacebetweenthefiredetectionandfirealamsystemandheVAS13 10Systems in explosive gas or dust atmospheres15 11System ponents15 12Monitoring,integrity and reliability of circuits external to theVACIE15 13Loudspeaker zones18 14Loudspeakers18 15Voice sounders20 16Power amplifiers21 17Ambient noise sensing and pensation controller (ANS)22 18Emergency microphones22 19Emergency message generators 20Emergency messages25 21Audibility of non-speech broadcast28 22Inteligibity of speechmessages 23Priorities32 24Voice alarm contol and indicating equipment (VACIE)32 25Networked systems34 26Power supplies36 27Cables, wiring and other interconnections39 28Radio-linked systems42 29Climatic and environmental conditions44 30Radioand electrical interference44 31Electrical safety45 Section3:Installation48 Responsibility of installer48 33Installation practices and workmanship50 34Inspection and testing of wiring51 Section 4:Commissioning and handover53 35Commissioning53 36Documentation54 37Certification55 38Acceptance56 39Verification57 Section 5:Maintenance58 40Routine testing58 41Inspection and servicing59 42Non-routine attention61 Section 6:User responsibilities65 43Premises management65 44Logbook65
BS5839-8:2013 BRITISH STANDARD Annexes Annex A (informative) Typical ambient noise levels and their effect on system design67 Annex B (informative) Voice alarm control and indicating equipment 69 Annex D (informative) Model certificates 75 Annex C (normative) Standby battery calculations71 Bibliography82 List of figures Figure 1 Example of pictogram for a standard microphone to mouth distance23 Figure 2 Example of pictogram for a close-talking microphone to mouth distance24 Figure 3-Evacuate broadcast sequence 26 Figure 4-Alert broadcast sequence27Figure 5Example of 70/100 V line loudspeaker rcuit Figure 6 Example of network wiring47 List of tables Table A.1 - Example of design criteria for public spaces in a hotel68 TableA.2-Exampleof typical realifenoiselevels68 FIRE-GAS
Summary of pages 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. i •@ The British Standards Institution 2013
BRITISH STANDARD BS5839-8:2013
Foreword Publishing information This Part of BS 5839 is published by BS1 Standards Limited, under licence from The British Standards Institution, and came into effect on 31 March 2013. It was prepared by Submittee FSH/12/5, Fire alarm devices, voice alarm evacuation subsystems and emergency voice munications,under the authority of Technical Committee FSH/12, Fire detection and fire alarm systems. A list of organizations represented 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 irawn. Information about this document This new edition introduces a number of technical changes full revision of the documents,which will be undertaken in due course.The principal changes 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 wiring (Clause27) has been updated. d) The text on radio-linked systerms (Cla ause 28) has been modified to remove conflicts with BS EN 54-25:2008. e) The mentary to Clau Ise 40 has been modified to include more guidance on system testing and a new item b) has been added to subclause 40.1. Annex C has been modiied to avoid the assumption of an amplifier efficiency of 50% (class AB) (6The term “responsible person* has been removed and replaced with referer ces to *premises management’ to avoid confusion with the term egislation. Where appropriate,this standard refers to BS EN 54 product standards, particularly ose that apply to ponents of voice alarm systems. Use of this document 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 any course of action that deviates from its remendations. It has been assumed in the preparation of this British Standard that the execution of its provisions will be entrusted to appropriately qualified and experienced people, for whose use it has been produced. Presentationalconventions The provisions in this standard are presented in roman (i.e. upright) type. Its remendations are expressed in sentences in which th...