Alarms and Alarms and CamerasCameras

Presented byPresented by

Sgt. Steve Garst, L.C.C./ C.C.P.S.Sgt. Steve Garst, L.C.C./ C.C.P.S.

Little Elm Police DepartmentLittle Elm Police Department

Little Elm, TexasLittle Elm, Texas

C.P.T.E.D.C.P.T.E.D.

The third line of defense

Intrusion Alarms - Intrusion Alarms - OverviewOverview

Conduct basic check of the system.Conduct basic check of the system.

Can it be armed / disarmed as Can it be armed / disarmed as designed?designed? Does it dial in to dispatch?Does it dial in to dispatch?

When was code last changed?When was code last changed?

Are detectors located in appropriate Are detectors located in appropriate locations?locations?Are all detectors operational?Are all detectors operational?

Do all keypads work?Do all keypads work?

Fire Alarms - Fire Alarms - OverviewOverview

Conduct basic check of systemConduct basic check of system

Does it dial Does it dial in?in? To whom does it dial To whom does it dial in?in? Is a zone map displayed beside the main Is a zone map displayed beside the main panel?panel?

Alarms - Alarms - GenerallyGenerally

Three main componentsThree main components

1. Control unit – ‘brain’1. Control unit – ‘brain’

a. Power supplya. Power supply

b. Circuitryb. Circuitry

c. Sensory controlsc. Sensory controls

i. Open loop systemi. Open loop system

ii. Closed loop system (most ii. Closed loop system (most common)common)iii. Supervised system (banks, iii. Supervised system (banks, etc.)etc.)

Alarms – Alarms – cont.cont.

2. Annunciation 2. Annunciation systemsystema. Local (bell, light, siren, a. Local (bell, light, siren,

etc.)etc.)b. Remote (monitoring station)b. Remote (monitoring station)

3. Sensors and detectors3. Sensors and detectors

a. Touch or feel (contact a. Touch or feel (contact type)type)b. Hear (noise, glass breakage)b. Hear (noise, glass breakage)

c. Sight (PIR)c. Sight (PIR)

Alarms – cont.Alarms – cont.

PerimeterPerimeter Intrusion Sensing Devices Intrusion Sensing Devices

1. Contact / plunger switch1. Contact / plunger switch

2. Glass 2. Glass breakagebreakage3. Floor pressure 3. Floor pressure matsmats4. Metal foil4. Metal foil

5. Alarm screen (expensive)5. Alarm screen (expensive)

Two Two most most

commocommonn

Alarms – Alarms – cont.cont.

SpaceSpace or or motionmotion sensing devices sensing devices

1. Photo electric cell 1. Photo electric cell (easily disguised as other (easily disguised as other item)item)

2. Ultra sound / 2. Ultra sound / microwavemicrowave3. Passive infrared3. Passive infrared

Alarms – Alarms – cont.cont.

RemoteRemote alarm alarm transmission transmission circuitscircuits

1. Dialers1. Dialers

2. Dedicated 2. Dedicated lineline3. Multiplexing 3. Multiplexing ConnectionsConnections4. Microwave / cellular connects4. Microwave / cellular connects

Newest technologyNewest technology

Alarms – cont.Alarms – cont.

Common problems in circuitry (failure)Common problems in circuitry (failure)

1. Broken foil1. Broken foil

2. Battery failure2. Battery failure

3. Bad 3. Bad controlscontrols4. Loose 4. Loose wirewire5. Accessibility5. Accessibility

Alarms - Alarms - concludedconcluded

HintsHints……

Use motion detectors in conjunction with heat sensing Use motion detectors in conjunction with heat sensing PIR. Both must be activated to set off alarm.PIR. Both must be activated to set off alarm.

Add heat sensors in attics, etc. They can be set to any Add heat sensors in attics, etc. They can be set to any temperature and will activate before a fire starts.temperature and will activate before a fire starts.

Add strobe lights to attract additional attention.Add strobe lights to attract additional attention.

Cameras - Cameras - OverviewOverview

Cameras have been documented as being effective in…Cameras have been documented as being effective in…

Deterring criminal activityDeterring criminal activity

Documenting criminal activityDocumenting criminal activity

Reducing property loss, thus reducingReducing property loss, thus reducing insurance premiums and related costsinsurance premiums and related costs Reducing personal injury incidentsReducing personal injury incidents

Providing court-approved Providing court-approved evidenceevidence Diffusing parental disputes of child’s Diffusing parental disputes of child’s activityactivity

Camera - ConsiderationsCamera - Considerations

High-resolution, low-lux color High-resolution, low-lux color cameras are very cost effectivecameras are very cost effective

Data recorders are high quality Data recorders are high quality and low maintenance, with huge and low maintenance, with huge memorymemory

Major cost of installation is wiringMajor cost of installation is wiring

Question: What is the cost of a camera Question: What is the cost of a camera systemsystem

compared to a human life?compared to a human life?Is your answer still the Is your answer still the same if it happens in your same if it happens in your home?home?

Camera – Considerations – Camera – Considerations – cont.cont.

What do you want to What do you want to accomplish?accomplish?

Remember, there were perimeter cameras Remember, there were perimeter cameras in Thurston High, and they showed Kip in Thurston High, and they showed Kip Kingel coming in, but he was not personally Kingel coming in, but he was not personally identifiable, nor could it be seen that he identifiable, nor could it be seen that he was carrying a large package. What good was carrying a large package. What good were they?were they?

A sub-par system that is not properly A sub-par system that is not properly maintained is more of a liability than an asset.maintained is more of a liability than an asset.

Camera – Considerations - Camera – Considerations - cont.cont.

Columbine had cameras Columbine had cameras but…but…

The custodian forgot to change The custodian forgot to change the tapes that morning and he the tapes that morning and he changed it during the time (20 changed it during the time (20 min.) that Harris and Klebold min.) that Harris and Klebold set the propane bombs in the set the propane bombs in the

cafeteria.cafeteria.

Camera – Camera – RecommendationsRecommendations

Where do you want Where do you want them?them?

Inside?Inside?

Outside?

Outside?

Both?Both?Cafeterias?

Cafeterias?

HallwaysHallways

??

Stairs?

Near restrooms?

Near restrooms?

Commons

Commons??

Main Main

Office?Office?

Park

ing lot

garag

es?

Building exits

Building exits

entrances?

entrances?Bus ram

p?

Bus ramp?

Other????Other????

AANNY Y QQUUEESSTTIIONNS?S?