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The DISE Assessment can equally be applied at a 'global' level to set the objectives for the system use across a site, at a 'macro' level to examine the unique objectives in a smaller portion of the site, or as a detailed 'micro' evaluation of an individual camera position.
By adding up the scores, for each DISE objective, (normally applied in steps of 5%) you will arrive at an overall percentage figure; such that the key below can provide a firm indication of the final CCTV systems requirements.
80 - 100%
The system design must be of the absolute highest quality and integrity.
Any mistakes in design, equipment selection, deployment, installation or operation, will conceivably compromise the overall effectiveness of the system.
60 - 75%
Whilst not critical in some areas, specific aspects of the system design will need much closer attention than others, to minimise risks and maximise effectiveness.
40 - 55%
It is essential that a well balanced system is used to offer a broad level of protection in all areas.
20 - 35%
As a relatively low risk, general purpose CCTV equipment can be used, with possible enhancements applied as and when necessary.
In most situations, this general Risk Assessment technique can provide the key to producing the most efficient and effective design, that best meets the needs and requirements of each individual project.
If you have any questions or suggestions, please e-mail to: info[at]doktorjon.co.uk
So now we ask the all important questions ...
'To what extent is the overall CCTV system (global) required ...'
.... to act as a Deterrent?
.... to be used for Incident Monitoring?
.... to be used as a Site Management tool?
.... to be used as an Evidential Recording tool?