Alarm_and_Specialty_Systems Flashcards
(25 cards)
What is an annunciator panel?
A panel, typically in or near the lobby, showing real-time alarm info for firefighters and security.
Why must annunciator panels be carefully located?
They must be easy to find in an emergency but not detract from the lobby’s aesthetics.
What is the main challenge with exit signs during a fire?
Smoke rises and can obscure ceiling-mounted exit signs.
How should exit signs be placed?
Visible in both directions of a corridor to clearly indicate exits.
What architectural strategies can reinforce wayfinding during emergencies?
Signage, lighting cues, or gates that signal when to exit stairwells.
Why must exit signs be strategically located?
To aid visibility during panic and low-visibility due to smoke.
What do emergency lights do?
Provide minimum illumination to navigate during power outages.
Where should emergency lights be placed?
Where they can light both directions in corridors or around turns.
Why is emergency light placement a judgment call?
To balance safety with minimizing aesthetic impact from unsightly fixtures.
What are alarm strobes and where are they placed?
Visual alarms placed to cover areas not reachable by sound alone.
Why are strobes sometimes needed around corridor bends?
Because light does not turn corners like sound.
What should be considered during planning for alarm systems?
Locations of annunciator panels, intercoms, emergency lights, and required generators.
Why is early planning of alarm systems critical?
To integrate functional needs without compromising design.
How long should emergency power systems operate?
Long enough to evacuate (about an hour); can be refueled if needed.
What is an electric strike?
A buzzer-operated mechanism that unlocks doors remotely.
Why use multiple electric strikes in a vestibule?
To control unauthorized access and provide secure entry.
What types of intercom systems exist?
Audio, video, or both—used for communication and security.
What are built-in speaker systems used for?
Public announcements, music in retail, or home audio.
What are key design concerns for built-in speakers?
Location, finish integration, and control access.
Why are modern telephone systems easier to plan?
Fewer hard lines are needed due to digital communication.
Why do phone/data lines need breathing room?
To prevent heat buildup and ensure maintainability.
Why are Wi-Fi boosters sometimes needed?
Concrete floors can block Wi-Fi signals between levels.
What planning is needed for Wi-Fi systems?
Identifying booster locations for complete coverage.
Why are specialty systems discussed in early design phases?
To budget space, cost, and ensure logical system integration.
