PERIMETER PROTECTION

Perimeter walls and fences define the boundary of the premises and may provide the first line of defence against criminal attack. They should not detract from the appearance of the site and may be used to channel visitors to reception areas where they can be dealt with properly.

Effective perimeter protection should be at least 2.4 metres high but may need to be higher to take account of local conditions. The addition of barbed wire, cacti spikes or razor tape may discourage intruders but consideration should be given to the need for planning consent as well as the provisions of the Highways Act 1980 and The Occupiers Liability Act 1984. Solid walls, which may be wood, provide a barrier to screen certain activities or procedures from observation eg the delivery or collection of cash. The advantages to be gained from this need to be balanced against the disadvantages, for example, they can also conceal criminal activity.

A variety of fences are available as perimeter protection. These include steel palistack, welded mesh and expanded metal. It is important that such fences are correctly erected and maintained. Fences should be appropriate to the location allowing residents and passers-by to see into the premises thus denying the criminals the opportunity to work undisturbed.

Gates should be of the same height and quality as the wall or fence in which they are installed. Access not should be possible under them and hinges should be fitted so as to prevent the gates being lifted off. Gates should be secured using a suitable pad bar and good quality close shackle padlock which is resistant to cropping. Bolts in the fence or gate should be countersunk to prevent chiselling and the thread of the bolts should be brazed, welded or hammered over to prevent removal.

Perimeter walls and fences deter unauthorised access but may be overrun by a determined attack. They should be regularly inspected to ensure that they are in good order and have not been breached.

USEFUL LINKS:

www.fencingcontractors.org
www.bsia.co.uk
www.crimecheck.co.uk
www.crimereduction.gov.uk