Intruder Alarm Drawings: Grades, Zones, Detector Coverage
Intruder alarm drawings are, at heart, a plan of how someone would move through a building they should not be in. Where would they get in?…
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Practical articles on AV CAD drafting, documentation standards and AV technology — written for integrators, consultants and design teams.
Intruder alarm drawings are, at heart, a plan of how someone would move through a building they should not be in. Where would they get in?…
Read articleAccess control drawings look simple: a reader beside a door, a lock in the frame, a line back to a controller. But an access-controlled door is…
Read articleFire alarm drawings are reviewed more closely than almost any other low-voltage set. They go to the authority having jurisdiction for plan review, and the reviewer…
Read articleCCTV coverage drawings are often drawn as cones: a camera symbol with a wedge spreading across the plan, and the room looking safely covered. The wedge…
Read articleThe most expensive two words on an AV drawing are “by others”. They tell the installer that something is not their job without saying whose job…
Read articleAssistive listening systems are the part of an AV design that the law is most likely to count. In many assembly spaces they are not a…
Read articleAV wall plate details describe the only part of an AV system most people ever touch. Users never see the rack, the processor or the cable…
Read articleAV wall elevations are the drawings that get built before the equipment exists. The wall is framed, the blocking goes in, the backboxes are set and…
Read articleAV commissioning is the point where the system meets the documents. Every check asks the same question — does it do what it should? — and…
Read articleTheme park AV drawings document a system that performs for a moving audience. In a theatre the audience sits still and the show happens in front…
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