SIST EN 50132-7:2012
(Main)Alarm systems - CCTV surveillance systems for use in security applications - Part 7: Application guidelines
Alarm systems - CCTV surveillance systems for use in security applications - Part 7: Application guidelines
This European Standard gives recommendations for the selection, planning, installation, commissioning, maintaining and testing of CCTV systems comprising of image capture device(s), interconnection(s) and image handling device(s), for use in security applications. The objectives of this standard are to
a) provide a framework to assist customers, installers and users in establishing their requirements,
b) assist specifiers and users in determining the appropriate equipment required for a given application,
c) provide means of evaluating objectively the performance of the CCTV system.
Alarmanlagen - CCTV-Überwachungsanlagen für Sicherungsanwendungen - Teil 7: Anwendungsregeln
Systèmes d’alarme - Systèmes de surveillance CCTV à usage dans les applications de sécurité - Partie 7: Directive d'application
Alarmni sistemi - Nadzorni sistemi CCTV za uporabo v aplikacijah varovanja - 7. del: Smernice za uporabo
Ta evropski standard navaja priporočila in zahteve za izbiro, načrtovanje, namestitev, usposobitev za zagon, vzdrževanje in preskušanje sistemov televizije zaprtega kroga, ki zajema naprave za zajemanje slike, medsebojne povezave in naprave za obdelavo slike za uporabo v aplikacijah varovanja. Cilji tega standarda so: a) zagotoviti okvir za pomoč potrošnikom, monterjem in uporabnikom pri opredelitvi njihovih zahtev, b) pomagati naročnikom in uporabnikom pri opredelitvi ustrezne opreme, ki je potrebna za zadevno aplikacijo, ter c) zagotoviti sredstva za objektivno vrednotenje zmogljivosti sistema televizije zaprtega kroga.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 50132-7:2012
01-september-2012
1DGRPHãþD
SIST EN 50132-7:1997
Alarmni sistemi - Nadzorni sistemi CCTV za uporabo v aplikacijah varovanja - 7.
del: Smernice za uporabo
Alarm systems - CCTV surveillance systems for use in security applications - Part 7:
Application guidelines
Alarmanlagen - CCTV-Überwachungsanlagen für Sicherungsanwendungen - Teil 7:
Anwendungsregeln
Systèmes d’alarme - Systèmes de surveillance CCTV à usage dans les applications de
sécurité - Partie 7: Directive d'application
Ta slovenski standard je istoveten z: EN 50132-7:2012
ICS:
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
33.160.40 Video sistemi Video systems
SIST EN 50132-7:2012 en,fr
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 50132-7:2012
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SIST EN 50132-7:2012
EUROPEAN STANDARD
EN 50132-7
NORME EUROPÉENNE
August 2012
EUROPÄISCHE NORM
ICS 13.310; 33.160.40 Supersedes EN 50132-7:1996
English version
Alarm systems -
CCTV surveillance systems for use in security applications -
Part 7: Application guidelines
Systèmes d’alarme - Alarmanlagen -
Systèmes de surveillance CCTV à usage CCTV-Überwachungsanlagen für
dans les applications de sécurité - Sicherungsanwendungen -
Partie 7: Lignes directrices Teil 7: Anwendungsregeln
This European Standard was approved by CENELEC on 2012-06-18. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the CEN-CENELEC Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and notified
to the CEN-CENELEC Management Centre has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus,
the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany,
Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50132-7:2012 E
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SIST EN 50132-7:2012
EN 50132-7:2012 - 2 -
Contents
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ϭ ^ĐŽƉĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰ
Ϯ EŽƌŵĂƚŝǀĞƌĞĨĞƌĞŶĐĞƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰ
ϯ dĞƌŵƐ͕ĚĞĨŝŶŝƚŝŽŶƐĂŶĚĂďďƌĞǀŝĂƚŝŽŶƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰ
ϰ 'ĞŶĞƌĂůĐŽŶƐŝĚĞƌĂƚŝŽŶƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϴ
ϱ KƉĞƌĂƚŝŽŶĂůƌĞƋƵŝƌĞŵĞŶƚƐƐƉĞĐŝĨŝĐĂƚŝŽŶƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϭ
ϲ ƋƵŝƉŵĞŶƚƐĞůĞĐƚŝŽŶĂŶĚƉĞƌĨŽƌŵĂŶĐĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϱ
ϳ /ŵĂŐĞƉƌĞƐĞŶƚĂƚŝŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϮϮ
ϴ dƌĂŶƐŵŝƐƐŝŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϰ
ϵ sŝĚĞŽƉĞƌĨŽƌŵĂŶĐĞĐŚĂƌĂĐƚĞƌŝƐƚŝĐƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϴ
ϭϬ ^ƚŽƌĂŐĞĐŚĂƌĂĐƚĞƌŝƐƚŝĐƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϵ
ϭϭ /ŵĂŐĞƐƚŽƌĂŐĞĂŶĚĞdžƉŽƌƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϭ
ϭϮ dsĐŽŶƚƌŽůƌŽŽŵĐŽŶĨŝŐƵƌĂƚŝŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϰ
ϭϯ ĞĨŝŶĞƚĞƐƚƉůĂŶ ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϲ
ϭϰ ^ƵŵŵĂƌLJŽĨĚŽĐƵŵĞŶƚĂƚŝŽŶʹWƌĞͲŝŶƐƚĂůůĂƚŝŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϵ
ϭϱ ^LJƐƚĞŵŝŶƐƚĂůůĂƚŝŽŶĂŶĚĐŽŵŵŝƐƐŝŽŶŝŶŐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϵ
ϭϲ &ŝŶĂůĚŽĐƵŵĞŶƚĂƚŝŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϭ
ϭϳ DĂŝŶƚĞŶĂŶĐĞ ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϮ
ŶŶĞdž;ŝŶĨŽƌŵĂƚŝǀĞͿƵƌƌĞŶƚǀŝĚĞŽƐƚĂŶĚĂƌĚĨŽƌŵĂƚƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϰ
ŶŶĞdž;ŶŽƌŵĂƚŝǀĞͿdĞƐƚƉƌŽƚŽĐŽůĨŽƌdsƚĂƌŐĞƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϱ
ŶŶĞdž;ŶŽƌŵĂƚŝǀĞͿdĞƐƚŵĞƚŚŽĚŽĨŝŵĂŐĞƋƵĂůŝƚLJ'ƵŝĚĂŶĐĞĨŽƌƚŚĞƵƐĞŽĨƚŚĞǀŝĚĞŽƚĞƐƚƚĂƌŐĞƚ͘͘͘͘͘͘͘͘͘͘͘͘͘ϱϯ
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Foreword
This document (EN 50132-7:2012) has been prepared by CLC/TC 79 "Alarm systems".
The following dates are fixed:
• latest date by which this document has
(dop) 2013-06-18
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national
(dow) 2015-06-18
standards conflicting with this
document have to be withdrawn
This document supersedes EN 50132-7:1996.
EN 50132-7:2012 includes the following significant technical changes with respect to EN 50132-7:1996:
In comparison to EN 50132-7:1996 major changes have been made to the document due to technical
innovation in the field of video surveillance: the shift from analogue to digital, the general improvement of
image quality, new CCTV standards and a new test target methodology. EN 50132-7:1996 needed a major
review and additions.
Following subclauses of the old standard have been revised:
EN 50132-7:1996 EN 50132-7:2012
Subclause & Title Subclauses
5.1 Purpose of the operational requirement 5.2
6.1.1 Automation of the following functions should be considered: 5.4.2
6.2 Alarm response 5.4.3
6.3 System response times 5.4.4
7.2 Criteria for determining the number of cameras and their location 12
7.3 Camera and lens selection criteria 6.3
7.4 Camera selection 6.4
7.5 Lens selection 6.5
7.6 Recommended object sizes 6.7
7.8 Evaluation of scene and illumination 6.9
7.10.6 Equipment siting 12.7
The other chapters of EN 50132-7:1996 were completely rewritten.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights.
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1 Scope
This European Standard gives recommendations and requirements for the selection, planning, installation,
commissioning, maintaining and testing of CCTV systems comprising of image capture device(s),
interconnection(s) and image handling device(s), for use in security applications.
The objectives of this standard are to:
a) provide a framework to assist customers, installers and users in establishing their requirements,
b) assist specifiers and users in determining the appropriate equipment required for a given application,
c) provide means of evaluating objectively the performance of the CCTV system.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
EN 50132-1:2010 Alarm systems CCTV surveillance systems for use in security applications
Part 1: System requirements
EN 50132-5-1:2011 Alarm systems CCTV surveillance systems for use in security applications
Part 5-1: Video transmission General video transmission performance
requirements
EN 50132-5-2:2011
Alarm systems CCTV surveillance systems for use in security applications
Part 5-2: IP Video Transmission Protocols
EN 50132-5-3
Alarm systems CCTV surveillance systems for use in security applications
Part 5-3: Video transmission Analogue and digital video transmission
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1.1
camera housing
enclosure to provide physical and/or environmental protection of the camera, lens and ancillary equipment
3.1.2
camera sensitivity
imaging device illumination necessary to produce a defined composite (colour) video signal amplitude with a
CCTV system
3.1.3
CCTV surveillance installation
installation consisting of the hardware and software components of a CCTV system, fully installed and
operational for monitoring a defined security zone
3.1.4
CCTV camera
unit containing an imaging device producing a video signal from an optical image
3.1.5
CCTV camera equipment
unit containing a CCTV camera plus appropriate lens and necessary ancillary equipment
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3.1.6
CCTV control unit
equipment for controlling and monitoring the required operational functions of the CCTV system
3.1.7
CCTV technician
qualified person who is trained and competent in the installation, maintenance, servicing and fault-finding of
CCTV systems
3.1.8
CCTV System
system consisting of camera equipment, monitoring and associated equipment for transmission and
controlling purposes, which may be necessary for the surveillance of a protected area
3.1.9
corrective maintenance
emergency servicing of a system, or part thereof, carried out in response to the development of a fault
3.1.10
corrective maintenance report
document that details the requirement for normal or emergency corrective maintenance and indicates the
corrective action taken, as required by this Standard or other applicable technical standard
3.1.11
customer
person or organisation utilising the design, installation and services of an approved company (including the
customers agent)
3.1.12
detect
with a 1,7 m person occupying at least 10 % (PAL) of the available screen height, picture quality should be
sufficient after an alert to enable an observer after an alert to search the display screens to determine with
good certainty whether or not a person is present
3.1.13
electronic iris
automatic electronic shutter which varies the camera sensitivity in relation to the varying light conditions in
order to maintain the video output signal within defined limits
3.1.14
electronic shutter
arrangement in the camera changing its sensitivity by electronically controlling its exposure time
3.1.15
event recording
event controlled recording or storing of image signals for a pre-determined time
3.1.16
external synchronisation
method of feeding reference timing signals to all connected devices to ensure that their video output signals
are synchronous
3.1.17
focal length (f)
property of a lens, expressed in mm, giving the angle of view for a given sensor size
3.1.18
geo data
digital information assigning a certain spatial location to the earth's surface
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3.1.19
identify
with a 1,7 m person occupying at least 100 % (PAL) of the screen height, picture quality and detail should
be sufficient to enable identitification of an individual beyond reasonable doubt
3.1.20
inspect
with a 1,7 m person occupying at least 400 % (PAL) of the screen height, picture quality and detail should
be sufficient for judicial investigations
3.1.21
imaging device
device that converts an optical image into an electrical signal
3.1.22
imaging device illumination
level of illumination (luminance) at the photosensitive surface of the imaging device
3.1.23
iris
variable aperture mechanism which regulates the amount of light passing through the lens onto the imaging
device of the CCTV camera
3.1.24
kell factor
subjective number of lines of resolution that can be visually perceived in a video display system, expressed
as a percentage of the total number of lines of resolution
3.1.25
lens
optical device for projecting an image of a desired scene onto the photo sensitive surface of the imaging
device
3.1.26
monitor
with a 1,7 m person occupying at least 5 % (PAL) of the screen height, the level of detail should be sufficient
to observe the number, direction and speed of movement of people across a wide area, providing their
presence is known to him; i.e. they do not have to be searched for
3.1.27
image presentation device
device for converting video signals into pictures on a display screen
3.1.28
observe
with a 1,7 m person occupying between 25 % and 30 % (PAL) of the screen height, the level of detail should
be sufficient to see characteristic details of an individual, such as distinctive clothing and allowing a view of
activity surrounding an incident
3.1.29
pan and tilt unit
motorised unit permitting the vertical and horizontal positioning of the camera equipment
3.1.30
PAL (resolution)
standard-definition video mode referring in digital applications to 576 lines or 720×576 pixel
3.1.31
pan, tilt, zoom
function of a camera permitting the vertical, horizontal positioning of the camera together with the angle of
view
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3.1.32
picture storage
storing of video images
3.1.33
preventive maintenance
routine servicing of a system, carried out on a scheduled basis
3.1.34
preventative maintenance report
document which records the preventive maintenance carried out in accordance with this code of practice or
other applicable technical standard
Note 1 to entry: The report may be an electronic document.
3.1.35
recognise
with a 1,7 m person occupying at least 50 % (PAL) of screen height viewers can say with a high degree of
certainty whether or not an individual shown is the same as someone they have seen before
3.1.36
risk assessment
systematic process to determine the impact of the consequences of hazards and threats relative to their
probability. The result of the analysis provides the basis for risk evaluation within a risk management process
3.1.37
risk management
culture, processes and structures that are directed towards the effective management of potential
opportunities and adverse effects
3.1.38
risk management process
systematic application of management policies, procedures and practices to the tasks of establishing the
context, identifying, analysing, evaluating, treating, monitoring and communicating risk
3.1.39
scene illumination
level of illumination (luminance) on the area to be kept under surveillance
3.1.40
site plan
pictorial representation of the protected area showing the location and intended views of the CCTV cameras
3.1.41
system design proposal
specification of the system design including location factors, site plan, field of view, detector range and
coverage and control room design
3.1.42
time lapse recording
periodical recording of video signals at pre-defined intervals
3.1.43
zoom lens
lens with adjustable focal length and therefore an adjustable angle of view
3.2 Abbreviations
For the purposes of this document, the following abbreviations apply.
ASB Anti Social Behaviour
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CCIR Comité Consultatif International des Radiocommunication (International Radio Consultative
Committee)
CCTV Closed Circuit Television
DVR Digital Video Recorder
EMC Electro-magnetic Compatibility
CRT Cathode Ray Tube
FAT Factory Acceptance Testing
FPS Frames per Second
Gbps Gigabit per second
NVR Network Video Recorder
LCD Liquid Crystal Display
IP Internet Protocol
IPD Image Presentation Device
Mbps Megabit per second
OR Operational Requirements
PTZ Pan Tilt Zoom
VRN Vehicle Registration Number
UAT User Acceptance Testing
UPS Uninterruptible Power Supply
UTC Coordinated Universal Time
UV Ultra Violet
VCA Video Content Analysis
VMS Video Management System
VMD Video Motion Detector
WORM Write Once Read Many
4 General considerations
4.1 General considerations
A CCTV system is the combination of image capture devices, lighting, interconnections, image handling
devices, etc. selected and installed to meet the customer's security surveillance requirements.
The recommended procedure for implementing a CCTV system is as follows:
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4.2 Risk assessment
4.2.1 General
Prior to CCTV system design, and to help understand its purpose, a threat assessment and risk analysis
should be performed. The threats and hazards to the premises should be identified and assessed for their
likelihood and impact. These represent the risk to the premises or organization.
A risk assessment should be carried out and the CCTV system should be designed to mitigate the assessed
risks. CCTV designs should be made in accordance with this standard.
NOTE ISO 31000:2009 describes the principles for the carrying out of a risk assessment.
There is no single model design for a CCTV system. The design should be based on the individual location
and premises, the threats and content in these locations, and the anticipated threats or damage.
Examples of issues to be considered are included below:
a) cost of loss;
1) what is the value e.g. financial, intellectual etc of the contents at the location?
2) what is the effect of disruption to activities at the location?
b) location;
1) what is the quality and extent of any existing physical security?
2) is the location situated in a high crime risk area?
3) are there adverse environmental conditions?
c) occupancy;
1) is the location unoccupied for extended periods?
2) are there security guards?
3) do the public have access to the location?
d) theft, robbery and threat history;
1) is there a history of thefts, robberies or threats at the location?
2) and if so, what was the method of attack for any previous threat?
Results from this assessment are used to help to inform decisions about what type of CCTV system to
specify and install.
4.2.2 Selection of security grades
The results of the risk assessment (see 4.2.1) should be used to determine the requirements of the CCTV
system and its components. Where appropriate a security grade should be assigned to the components,
sub-systems and functions of the CCTV system. The identified security grade requirements should be
specified in the OR and agreed by the customer and system designer.
Depending on the level of risk, the security grade needs to be defined for the following CCTV system
functions:
1) Common interconnections
2) Storage
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3) Archiving and backup
4) Alarm related information
5) System logs
6) Backup and restore of system data
7) Repetitive failure notification
8) Image handling device PSU monitoring
9) Image buffer holding time
10) Essential function device failure notification time
11) Monitoring of interconnections
12) Tamper detection
13) Authorisation code requirements
14) Time synchronisation
15) Data authentication
16) Export/copy authentication
17) Data labelling
18) Data (manipulation) protection
Individual functions of the CCTV system may be specified at a different security grade: for example a system
specified generally at grade 1 with a grade 4 storage including a fail-safe image storage.
Any additional functions which are required above the security level may be defined individually in the OR.
4.3 Develop operational requirements
The Operational Requirements (OR) document shall be produced. This is a formal written statement of need,
justifications and purpose of the proposed CCTV system. The installer should assess and determine whether
production of the OR is to be completed before or after the site survey. See 5.2 Purpose of the Operational
Requirements for more details.
4.4 Site survey
Once a location has been chosen for a CCTV system installation a site survey should be undertaken. This is
to familiarise the system designer with the specifics of the intended site, such as access constraints, siting of
key components (cameras, controls, power supplies etc) and environmental factors (see Clause 6
Equipment Selection and Performance for more details).
This should be completed by visiting the location to assess its suitability, and to note any issues for the
system design phase.
If the location where the CCTV system is to be installed has not yet been constructed then the site survey
may be carried out after a preliminary design has been created.
4.5 System design including site plan
Once the site survey and OR is completed the CCTV system can be designed and a System Design
Proposal and Specification needs to be prepared. The design shall take into account the various requirement
and location factors identified in the previous stages. At this stage a site plan should be drawn up, including
locations for the various key components e.g. cameras (including field of view), detectors (including range
and coverage), control rooms, power supplies, interconnections, etc.
(See Clause 6 ´Equipment Selection and Performance´ for more details.)
4.6 Develop test plan
Having designed the CCTV system, a test plan shall be produced to allow any installed system to be suitably
proven. This test plan should include all critical aspects of the CCTV system, such as image quality, system
interconnectivity, coverage, camera view etc. The purpose is to ensure that the system can be measured
against its OR, and proved to be fit for its intended purpose. See Clause 13 Define Testing Plan for more
information and 6.11.2 for tamper protection testing.
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4.7 Installation, commission and hand over
The Risk assessment, OR and system design (including a site plan) should all be used to help facilitate the
CCTV system installation.
Having completed the installation, commissioning tests as specified in the test plan should be completed
according to the OR.
Once this has been successfully completed the system can be formally handed from the installer to the
owner. See Clause 15 for more details.
4.8 Documenting the system
Documentation should be completed supporting the design, installing and commissioning phases of the
CCTV system. These should be collated and held by the owner as the system references. The risk
assessment, OR, testing plan, site survey, system design and site plan (see Clauses 14 and 16) should be
included, along with the following documents:
- testing results, as built plans/drawings, data interface descriptions;
- training, manuals, support documentation, etc.;
- maintenance plan including routine inspection cleaning, etc (see Clause 17 for more details).
5 Operational requirements specifications
5.1 General
The purpose of the CCTV installation shall be summarized in a document called ‘Operational Requirements’.
Further information can be found in the bibliography.
5.2 Purpose of the Operational Requirements
The Operational Requirements states clearly what the customer expects the functions of the system to do. If
there is an agreement between system designer and customer, the Operational Requirements could be
defined within the System Design Proposal and Specification. If so, this should be clearly stated within the
document. The development / design process encourages clear thinking about who will use the CCTV
system, where and when it will be used and in particular the purpose of the CCTV system. It is produced by
CCTV owners, operators and anyone who intends to use information from the CCTV system. The later
stages of development of the OR shall involve those with the necessary skills to convert statements into a
technical specification and test procedures.
At appropriate stages checks shall be made to ensure that the proposed implementation will meet the
Operational Requirements. Without an Operational Requirement and a matching test procedure there is no
practical methodology to assess whether the system can meet its required purpose.
5.3 Content of the Operational Requirements
The Operational Requirements shall consist of the following parts:
5.3.1 Basic objective / functionalities
• Intended purpose(s) of the system (e.g. site monitoring, detection and/or monitoring and/or recording of
attacks against individual and property, thefts, robberies or damage).
• Risk assessment, which informs the selection of the required security grade of the system according to
EN 50132-1.
5.3.2 Definition of surveillance limitations
• Limitations imposed by legislation, city rules or similar orders.
• Limitations such as privacy areas required by the customer or by the proximity of neighbours.
5.3.3 Definition of the site(s) under surveillance
• Buildings, internal, external or separate areas, etc. which are covered by the CCTV system.
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5.3.4 Definition of activity to be captured
• The intended targets of the system in each part of the site (e.g. unauthorized persons within an area
bounded by a perimeter fence; vehicles entering the access driveway, etc.).
• The expected speed of the intended target.
• The intended observation category of the targets from the perspective of the operator (e.g. detection,
recognition or identification of a person).
• Whether external detection is required.
5.3.5 System / picture performance
• The key performance characteristics of the system and its displayed images (e.g. timescale for operator
to view persons and track their movements throughout the scene).
• The degree of image detail required for the purpose which is to be observed in each of the live,
recorded and exported views (i.e. it may be desirable or appropriate for a different resolution to be used
in the live view than in the recorded view).
• Definition of any image analysis functionality, together with expected accuracy and whether this is to be
achieved by the operator or automatically by the system.
5.3.6 Period of operation.
• Definition of operating hours for the system (e.g. daily between 21.00 and 08.00 and all day on Sundays
and public holidays).
5.3.7 Conditions at the location
• Definition of environmental conditions, which will apply and/or vary during the monitoring period and are
significant in terms of system design. (e.g. illumination of the site, potential obstacles in camera view,
maximum and minimum temperatures).
5.3.8 Resilience
• Definition of the ability of the system to continue operating despite the existence of adverse
circumstances (e.g. ability to continue operating during sudden or unexpected loss of power for a
significant or defined length of time, absence of single interconnection paths, whether all or parts of the
system have the same requirement).
5.3.9 Monitoring and image storage
• Definition of where, and by whom, the system shall be monitored and operated.
• Definition of what is to be recorded (e.g. all images for 10 min before and after an event; all camera
views at all times).
• Definition of retention period for recordings and circumstances in which this
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