EN 50132-7-2012 en Alarm systems - CCTV surveillance systems for use in security applications - Part 7 Application guidelines (Remains Current).pdf

1、BSI Standards PublicationAlarm systems CCTVsystems for use in securityapplicationsPart 7: Application guidelinesBS EN 50132-7:2012 Application guidelinesurveillance systems foruse in security applicationsBS EN 50132-7:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementati

2、on of EN 50132-7:2012. It supersedes BS EN 50132-7:1996 which is withdrawn.The UK committee draws attention to subclause 13.3 when deciding what to include in the Operational Requirement with regards to acceptance testing.The UK participation in its preparation was entrusted by Technical Committee G

3、W/1, Electronic security systems, to Subcommittee GW/1/10, Closed circuit television (CCTV).A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsi

4、ble for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013ISBN 978 0 580 67617 8ICS 13.310; 33.160.40Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the S

5、tandards Policy and Strategy Committee on 31 August 2013.Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD EN 50132-7 NORME EUROPENNE EUROPISCHE NORM August 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotech

6、nique Europisches Komitee fr 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 ICS 13.310; 33.160.40 Supersedes EN 50132-7:1996Engl

7、ish version Alarm systems - CCTV surveillance systems for use in security applications - Part 7: Application guidelines Systmes dalarme - Systmes de surveillance CCTV usage dans les applications de scurit - Partie 7: Lignes directrices Alarmanlagen - CCTV-berwachungsanlagen fr Sicherungsanwendungen

8、- 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

9、 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 translati

10、on 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, Denma

11、rk, 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. BS EN 50132

12、-7:2012EN 50132-7:2012 - 2 - Contents 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 sho

13、uld 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-d

14、efinition video mode referring in digital applications to 576 lines or 720576 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 BS EN 50132-7:2012- 7 - EN 50132-7:2012 3.1.32 picture storage storing of vide

15、o 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:

16、 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

17、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 managemen

18、t 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

19、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 pl

20、an, 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 do

21、cument, the following abbreviations apply. ASB Anti Social Behaviour BS EN 50132-7:2012EN 50132-7:2012 - 8 - CCIR Comit Consultatif International des Radiocommunication (International Radio Consultative Committee) CCTV Closed Circuit Television DVR Digital Video Recorder EMC Electro-magnetic Compati

22、bility 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 Registra

23、tion 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

24、combination of image capture devices, lighting, interconnections, image handling devices, etc. selected and installed to meet the customers security surveillance requirements. The recommended procedure for implementing a CCTV system is as follows: BS EN 50132-7:2012- 9 - EN 50132-7:2012 4.2 Risk ass

25、essment 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 org

26、anization. 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 des

27、ign 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

28、 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

29、) 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 thr

30、eat? 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 ap

31、propriate 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 defin

32、ed for the following CCTV system functions: 1) Common interconnections 2) Storage BS EN 50132-7:2012EN 50132-7:2012 - 10 - 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 monitori

33、ng 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 (manipulatio

34、n) 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 in

35、dividually 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

36、 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 intend

37、ed 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

38、 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 d

39、esigned 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. camera

40、s (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 installe

41、d 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. S

42、ee Clause 13 Define Testing Plan for more information and 6.11.2 for tamper protection testing. BS EN 50132-7:2012- 11 - EN 50132-7:2012 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

43、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

44、 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) sh

45、ould 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

46、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 t

47、he 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 cl

48、ear 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 wit

49、h 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 (