Doug Bedell — April 26, 2007, 7:47 am

No Access for Ugliness

PRO Barrier’s Arrestor vehicle barriers fold nicely (as Arrestors do) into the National Crime Prevention Council’s concept of Crime Prevention Through Environmental Design, or CPTED.

In the past 20 years or so, the Council notes, architects have begun to consider the threat of crime along with “the traditional threats of nature: fire, eathquakes and hurricanes” in designing buildings. And taking a CPTED approach to design is a rewarding alternative to locks and barbed wire. It has the same compatibility benefits as guarding an entryway with a good-looking Arrestor instead of a massive steel plate.

Here are the Crime Prevention Council’s four principles of CPTED design:

1. Natural Surveillance – A design concept directed primarily at keeping intruders easily observable. Promoted by features that maximize visibility of people, parking areas and building entrances: doors and windows that look out on to streets and parking areas; pedestrian-friendly sidewalks and streets; front porches; adequate nighttime lighting.

2. Territorial Reinforcement – Physical design can create or extend a sphere of influence. Users then develop a sense of territorial control while potential offenders, perceiving this control, are discouraged. Promoted by features that define property lines and distinguish private spaces from public spaces using landscape plantings, pavement designs, gateway treatments, and “CPTED” fences.

3. Natural Access Control – A design concept directed primarily at decreasing crime opportunity by denying access to crime targets and creating in offenders a perception of risk. Gained by designing streets, sidewalks, building entrances and neighborhood gateways to clearly indicate public routes and discouraging access to private areas with structural elements.

4. Target Hardening – Accomplished by features that prohibit entry or access: window locks, dead bolts for doors, interior door hinges.

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