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BSI 20/30416719 DC:2020 Edition

BSI 20/30416719 DC:2020 Edition

$13.70

BS 5839-9. Fire detection and fire alarm systems for buildings – Part 9. Code of practice for the design, installation, commissioning and maintenance of emergency voice communication systems

Published By Publication Date Number of Pages
BSI 2020 66
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PDF Catalog

PDF Pages PDF Title
1 30416719.PDF
3 30416719_Text.pdf
7 Introduction
8 Section 1: General
1 Scope
2 Normative references
9 3 Terms and definitions
3.1 access level
3.2 competent person
3.3 disabled refuge system
3.4 duplex operation
10 3.5 emergency voice communication system
3.6 evacuation lift
3.7 EVC mode
3.8 firefighting lobby
3.9 firefighting stair
3.10 fire telephone system
3.11 group call
3.12 handset
3.13 hook-switch
3.14 intelligibility
3.15 master station
3.16 non-EVC mode
3.17 off-hook
3.18 on-hook
11 3.19 on hold
3.20 outstation
3.21 phased evacuation
3.22 protected lobby/corridor
3.23 protected stairway
3.24 refuge
3.25 stewards’ telephone system
3.26 VSWR
3.27 wireless link budget
3.28 wireless repeater
4 Need for an emergency voice communication system
12 5 Exchange of information and definition of responsibilities
13 6 Variations from the recommendations of this British Standard
15 Section 2: Design considerations
7 Purpose
16 8 System circuitry and software
17 9 Audio and data signal paths
18 10 Fault monitoring and indication
10.1 Fault conditions
10.2 Fault indications
19 10.3 Audible fault warning
10.4 Resetting from the fault warning condition
10.5 Monitoring of software-controlled equipment
20 10.6 Monitoring of memory contents
10.7 System integrity
21 11 Outstations
11.1 General
11.2 Controls
22 11.3 Indications
11.4 Electrical performance
23 11.5 Mechanical details
24 11.6 Location
25 11.7 Audio frequency induction loop systems
27 12 Master stations
12.1 General
28 12.2 Controls
29 12.3 Indicators
30 12.4 Electrical performance
31 12.5 Mechanical construction
12.6 Location
33 13 Power supplies
13.1 Recommendations for mains power supplies
34 13.2 Recommendations for EVC system power supply units
36 14 Cables, wiring and other interconnections
38 15 Wireless-linked EVC systems
41 16 Environmental conditions
17 Electromagnetic compatibility
42 18 Electrical safety
43 Section 3: Installation
19 Responsibility of installer
20 Installation practices and workmanship
44 21 Testing of wiring
45 Section 4: Commissioning and handover
22 Commissioning
46 23 Documentation
47 24 Certification
48 25 Acceptance
26 Verification
49 27 Training
50 Section 5: Maintenance
28 Routine testing
28.1 Recommendations for weekly testing by the user
28.2 Recommendations for monthly attention by the user
29 Inspection and servicing
29.1 Recommendation for quarterly inspection of a vented battery
51 29.2 Recommendations for six-monthly inspection and test of the system
30 Non-routine attention
54 Section 6: User responsibilities
31 Responsible person
32 Logbook
55 Annex A (informative) Explanation of access level
A.1 General
A.2 Access level 1
A.3 Access level 2
A.4 Access level 3
A.5 Access level 4
56 Annex B (normative) Method for calculating standby battery capacity
Annex C (normative) Modified subclauses from BS EN 54-2:1997+A1:2006
58 Annex D (informative) Model certificates

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