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CLOSED CIRCUIT TELEVISION

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Presentation on theme: "CLOSED CIRCUIT TELEVISION"— Presentation transcript:

1 CLOSED CIRCUIT TELEVISION
PRACTICAL CONSIDERATIONS FOR SYSTEM IMPLEMENTATION PHILLIP BOYD

2 SYSTEM DEFINITION AND IMPLEMENTATION OVERVIEW
Business Requirement Risk Assessment Operational Concept Requirements Analysis Functional Technical Support Budget: what resources are available? Through Life Support: specialist skills, recurrent costs Constraints: legal, technical, perception, commercial

3 SYSTEM DESIGN PHILOSOPHY
CCTV is one part of the solution, and not a panacea for public safety and security Improve public perception of safety Deter and displace anti-social behaviour & crime Provide usable, high quality evidence Integrated with the environment Consider user/corporate/statutory requirements Understand constraints, mitigate or design out Ensure support is straightforward

4 TYPICAL CONFIGURATION

5 CAMERA SELECTION Select camera/housing based upon:
Areas requiring coverage, level of detail and resolution Distance from camera to target area, and streetscape Environmental conditions (e.g. hot/humid; cold/icy) Vandalism risk – appraise threat, choose solution Whether operational use by police or council required Planned system life, durability and upgradability

6 NETWORK SELECTION Select CCTV network based upon:
Need for centralised monitoring/recording or stand-alone cameras Existing network infrastructure (optical fibre/copper/wireless) Ownership of assets (lighting poles, power poles) Distance between cameras and recording/ monitoring site Potential system growth or reorientation

7 SYSTEM POWER Powering can be problematic
Civil/Electrical works and pole leasing costs Trenching/traffic management/MoUs/RoW Is mains readily available? Is solar an option? Low power CCTV systems, standby modes, movement activated in remote locations/depots

8 VIDEO STORAGE Video archiving is vital Evidence preservation
Local to camera or centrally Recording period and video quality Protocols for access and release

9 ENVIRONMENTAL FACTORS
Trees, sculptures, temporary structures will affect coverage – landscaping is an important factor Light doesn’t bend – much – so the camera must be able to view the target High variance in illumination (light/shade) is not desirable (lighting uniformity defined in AS) Architectural aesthetics may not favour even discreet CCTV positioning Consider the effect of new or altered buildings

10 RUNNING THE SYSTEM Maintenance strategy to suit environment (inspection, cleaning, servicing if required) Range of fault detection options (tamper, lens obscuration, incorrect camera position) Consider bundled maintenance agreement with well defined performance criteria


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