CrimePreventionThroughEnvironmentalDesign   Wali Memon      Wali Memon   1
DisclaimerNo CPTED recommendations can positively ensure or guarantee a     crime free environment.              Wali Memo...
What is CPTED?• The proper design and effective use  of the built environment can lead to  the reduction in the incidence ...
CPTED Strategies• Natural Surveillance• Territorial Reinforcement• Natural Access Control• Maintenance             Wali Me...
Strategies – Natural Surveillance• Design the space to allow visibility by legitimate  users and keep possible intruders u...
Strategies – Natural Surveillance• The open design  of the stairs and  guardrail allows  the parking to be  under constant...
Strategies – Natural Surveillance• The windows  allow patrons to  observe any  activity on the  street around  the busines...
Strategies – Natural Surveillance• Properly selected,  installed and  maintained  landscaping allows for  unobstructed vie...
Strategies – Territorial          Reinforcement• Territorial reinforcement is  marking territorial control of a  space whi...
Strategies – Territorial            Reinforcement•Territorial reinforcement employs suchdesign elements as sidewalks, land...
Strategies – Territorial             Reinforcement• Accentuate  building entrances  with architectural  elements to guide ...
Strategies – Territorial             Reinforcement• Use front porches  and stoops  between the  street/sidewalk and  resid...
Strategies – Territorial             Reinforcement• Identify shops with  wall signs and  address numbers  at the rear if  ...
Natural Access Control• Natural access control employs  elements like doors, shrubs, fences,  and gates to deny admission ...
Natural Access Control• Physical and mechanical means of access  control-locks, bars, and alarms can  supplement natural a...
Natural Access Control• Use fences,  walkways and  landscaping to  direct visitors to  the proper  entrance and  away from...
Natural Access Control• Install plantings  and architectural  design features  such as columned  gateway to guide  visitor...
Natural Access Control• Use signs to  direct visitors to  appropriate  buildings,  entrances and  parking                 ...
Natural Access Control• Limit access  without completely  disconnecting the  neighborhood from  adjacent  neighborhoods   ...
Maintenance• Maintenance, including cleaning, repairing  and landscaping, needs to be performed  routinely to encourage us...
Maintenance• Keep all  structures,  including  fencing and  walkways,  clean and in  good repair                 Wali Memo...
Maintenance• Keep all litter  and trash  picked up at all  times                 Wali Memon   22
Maintenance• Keep trees and  shrubs trimmed  back from  windows, doors  and walkways.• Keep shrubs  trimmed to 3 feet  and...
Lighting• Lighting is an important element in any site  design. Whether a single house or a  shopping mall, appropriate li...
Lighting• Design lighting  system for  pedestrians that  enables people to  better see one  another and reduce  the potent...
Landscaping• Planting of landscape  material should allow  for an open line of  sight between area  frequented by  residen...
Landscaping• Provide see-  through  decorative  fencing that is  durable and  does not create  hiding places for  criminal...
Something to Think About…• If 76% of house burglaries occur  through forced entry on rear  entrances, why is it we always ...
Thank You! Questions?    Wali Memon   29
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Crime Prevention Through Environmental Design

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Transcript of "Crime Prevention Through Environmental Design"

  1. 1. CrimePreventionThroughEnvironmentalDesign Wali Memon Wali Memon 1
  2. 2. DisclaimerNo CPTED recommendations can positively ensure or guarantee a crime free environment. Wali Memon 2
  3. 3. What is CPTED?• The proper design and effective use of the built environment can lead to the reduction in the incidence and fear of crime and thereby improve the quality of life. In other words, if a site is laid out well, the likelihood of it being targeted for a crime may be reduced Wali Memon 3
  4. 4. CPTED Strategies• Natural Surveillance• Territorial Reinforcement• Natural Access Control• Maintenance Wali Memon 4
  5. 5. Strategies – Natural Surveillance• Design the space to allow visibility by legitimate users and keep possible intruders under observation• Make the offender’s behavior more easily noticeable• Examples – Windowed Stairwells – Provide a good visual connection between residential and/or commercial units and public environments such as streets, common areas, parks, sidewalks, parking areas and alleys. Wali Memon 5
  6. 6. Strategies – Natural Surveillance• The open design of the stairs and guardrail allows the parking to be under constant surveillance by anyone leaving or looking out of their apartment Wali Memon 6
  7. 7. Strategies – Natural Surveillance• The windows allow patrons to observe any activity on the street around the business Wali Memon 7
  8. 8. Strategies – Natural Surveillance• Properly selected, installed and maintained landscaping allows for unobstructed views of otherwise vulnerable doors and windows Wali Memon 8
  9. 9. Strategies – Territorial Reinforcement• Territorial reinforcement is marking territorial control of a space while discouraging potential offenders who perceive this control and avoid it Wali Memon 9
  10. 10. Strategies – Territorial Reinforcement•Territorial reinforcement employs suchdesign elements as sidewalks, landscaping,and porches to help distinguish betweenpublic and private areas and helps usersexhibit signs of “ownership” that send“hands off” messages to would-be offenders•People take more interest in somethingthey own or when they feel intrinsicallyinvolved Wali Memon 10
  11. 11. Strategies – Territorial Reinforcement• Accentuate building entrances with architectural elements to guide visitors and announce the transition from public space to private space Wali Memon 11
  12. 12. Strategies – Territorial Reinforcement• Use front porches and stoops between the street/sidewalk and residences to indicate transitions Wali Memon 12
  13. 13. Strategies – Territorial Reinforcement• Identify shops with wall signs and address numbers at the rear if parking is provided at the rear Wali Memon 13
  14. 14. Natural Access Control• Natural access control employs elements like doors, shrubs, fences, and gates to deny admission to a crime target and to create a perception among offenders that there is a risk in selecting the target.• The primary thrust of an access control strategy is to deny access to a crime target Wali Memon 14
  15. 15. Natural Access Control• Physical and mechanical means of access control-locks, bars, and alarms can supplement natural access control measures if needed• For example, a fence around a neighborhood playground protects children from wandering off and inhibits entry of potential offenders Wali Memon 15
  16. 16. Natural Access Control• Use fences, walkways and landscaping to direct visitors to the proper entrance and away from private areas. Wali Memon 16
  17. 17. Natural Access Control• Install plantings and architectural design features such as columned gateway to guide visitors to desired entrances Wali Memon 17
  18. 18. Natural Access Control• Use signs to direct visitors to appropriate buildings, entrances and parking Wali Memon 18
  19. 19. Natural Access Control• Limit access without completely disconnecting the neighborhood from adjacent neighborhoods Wali Memon 19
  20. 20. Maintenance• Maintenance, including cleaning, repairing and landscaping, needs to be performed routinely to encourage use of the space for the intended purpose and discourage abnormal and criminal use.• Maintenance sends a clean signal that someone cares about the space and is likely to defend it against intruders or vandals Wali Memon 20
  21. 21. Maintenance• Keep all structures, including fencing and walkways, clean and in good repair Wali Memon 21
  22. 22. Maintenance• Keep all litter and trash picked up at all times Wali Memon 22
  23. 23. Maintenance• Keep trees and shrubs trimmed back from windows, doors and walkways.• Keep shrubs trimmed to 3 feet and prune lower braches of trees up to 7 feet Wali Memon 23
  24. 24. Lighting• Lighting is an important element in any site design. Whether a single house or a shopping mall, appropriate lighting techniques should be used• Good lighting will help people to feel more comfortable with their surroundings• It should provide clear paths for movement and highlight entryways without creating harsh effects or shadowy hiding places Wali Memon 24
  25. 25. Lighting• Design lighting system for pedestrians that enables people to better see one another and reduce the potential risks of nighttime walks• Keep pedestrian lighting out of trees Wali Memon 25
  26. 26. Landscaping• Planting of landscape material should allow for an open line of sight between area frequented by residents and potential crime targets, limiting hiding places where criminal activity can occur Wali Memon 26
  27. 27. Landscaping• Provide see- through decorative fencing that is durable and does not create hiding places for criminals Wali Memon 27
  28. 28. Something to Think About…• If 76% of house burglaries occur through forced entry on rear entrances, why is it we always have our biggest and best locks on the front door? Wali Memon 28
  29. 29. Thank You! Questions? Wali Memon 29

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