Visual Alarm Device - External Building Codes & Rules
- Ensure compliance in fire safety with Tools™—transforming NCC into clear graphics. Learn rules for External Visual Alarm Device placement and design strategies.
AS 1670.1:2018, 3.8
≤ 10mAS 1670.1:2018, 3.8
AS 1670.1:2018, 3.8
≥ 2.4mAS 1670.1:2018, 3.8
Designated Building
Entry Point (DBEP)
AS 1670.1:2018, 3.8
AS 1670.1:2018, 3.8
Ceiling Mount Visual Alarm OptionAS 1670.1:2018, 3.8
- ≥ C3-7.5 Rating
- C = Ceiling
- 3m = Effective height AGL
- 7.5m = Effective Radius of Flashing Strobe
Fire Indicator Panel
AS 1670.1:2018, 3.8
Flashing Strobe
Effective Radius
External Visual Alarm
- ≤ 10m from DBEP
- Flashing red strobe when active
- At least 2 directions visibility by approaching Fire Appliance
- ≥ W2.4-6 Rating (Wall Mount)[1]
External Visual Alarm Device (VAD) Signage
NCC 2022 V2
All Building Classes
NCC 2022 S20 & HP 9.5 [2019 Spec E2, 3.7.5]
May 2021
AS 1670.1:2018, 3.8
- Smoke Detection & Alarm Systems to be installed and operated to the NCC
VAD Code Rating W 2.4-6AS 1670.1:2018, 3.8
- W = Wall or C = Ceiling
- 2.4m = Effective height AGL
- 6m= Effective Radius of Flashing Strobe
AS 1670.1:2018, 3.8
- ≤ 10m from DBEP
- Flashing red strobe when active
- At least 2 directions visibility by approaching Fire Appliance
- ≥ W2.4-6 Rating (Wall Mount)AS 1670.1:2018, 3.8
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