crime prevention through environmental design (cpted… · crime prevention through environmental...
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Kim Vann Fred Ellis
Henric o County Polic e Division Fa irfax County
Pub lic Sc hools
C rim e Pre ve ntion Throug h
Environm e nta l De sig n (C PTED) for
Sc hools
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CPTED Definition
CPTED is based on the theory that the proper design and effective use of the built environment can lead to a reduction in the incidence and fear of crime and an improvement in the quality of life.
- Strategies are site specific
- Can be applied to new and
existing projects
- Takes an inter-disciplinary
approach to crime prevention
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CPTED Emphasizes
Physical environment Behavior of people
Productive use of space Crime & loss prevention
CPTED draws from
several fields in order
to derive solutions to
crime problems. Psychology
Sociology
Criminology
Architecture
CPTED
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Concepts of
Crime
Prevention
Through
Environmental
Design
Activity
Support
Natural
Access
Control
Territorial
Reinforcement
Natural
Surveillance
Maintenance
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Natural Surveillance
The placement of physical features, activities and people in such a way as to maximize visibility.
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Natural Access Control
The physical guidance of people
coming and going from a space by
the judicial placement of
entrances, exits, fencing,
landscaping and lighting.
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Lucille
Brown
Middle
School
Natural Access Control
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Territorial Reinforcement The use of physical attributes that express ownership such
as fencing, pavement treatments, signage and landscaping.
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Maintenance
• Allows for the continued use of a space for its intended purpose. • Serves as an additional expression of ownership.
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Efforts in Virginia
Zoning Enabling Legislation
Zoning § 15.2-489 (Virginia)
“. . .such ordinances shall be designed to give considerable consideration to each
of the following purposes where applicable: (i.) to provide for adequate
light, air, convenience of access, and safety from fire, flood, crime and other dangers;”
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National Efforts in Safer Designs
American Planning Association –
Policy Guide on Security
National Fire Protection Association –
NFPA 730 Guide for Premises Security
American Society of Landscape Architects –
Security Design (white paper)
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Security Design Issues—Approach
• Perimeter
– Fenc ing
– Property entranc es
– Door numbers
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Security Design Issues—Access Control
• Build ing perimeter doors
– Proximity c a rds
– Video interc om
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Security Design Issues—Intrusion Detection
• Intrusion a la rm c omponents
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Security Design Issues—Access to Assets
• Roof ac c ess
• HVAC
ac c ess
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Security Design Issues--Communication
• Rad io amp lific a tion systems
• Hard line phones, PA & bac kup ana log
phone
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Security Design Issues—Interior
• Initia l routing—into front
offic e
• Classroom doors
– Classroom func tion loc kset
– Proprieta ry keyway
– Trad itiona l—keep loc ked
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Kimberly L. Vann
County Planner III – CPTED
Crime Prevention Specialist
Henrico County Police Division
P.O. Box 90775
Henrico, VA 23273-0775
804.501.5370
l
C rim e Pre ve ntion Throug h
Environm e nta l De sig n (C PTED) for
Sc hools
Frederick E. Ellis
Director, Office of Safety & Security
Fairfax County Public Schools
8115 Gatehouse Road
Suite 3674
Falls Church, VA 22042
571-423-2010