Physical and Environmental Security
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Crime Prevention Through Environmental Design
combines the physical environment and sociology issues that sourround it to reduce crime rates and fear of crime.
Can cause power noise - a disturbance of power - electromagnetic Internference - radio frequency interference
EMI- lightning, motors. and current difference between wires
RFI - electrical system mechanisms, flourescent lighting, and electrical cables
Power transient noice
disturbance imposed ona power line that causes elecrical interference.
condition the line to keep voltage steady and clean
- Fire classes
- A -Common combustibles- suppression: water, foam
- B - liquid, petroleum products, Gas, CO2, foam dry powerders
- C - Elecrical Suppresion: Gas, CO2, foam dry powe
- D. Combustible Metals - Suppression: Dry powder
Electrostatic IDS - creates an electrostatic field balanced between the itself and the object being monitored. If an intruder comes within a certain range of the monitored object there is capacitance change.
Physical Security program - control categories
deterrence, delaying, detection, assessment, aand respsones
CCD - Charged Couple Devices-
- Receives input light from lens and converts to electronic signal.
- Images are focused through a lens onto the CCD chip surface, infrared range, - allows the capture of exraordinary details
- does not recore data
3 facets of CPTED
Natural access control, natural surveillance, territorial reinforcement
Electronic Power definitions
Types of fires - and Suppression methods
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