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Is there a minimum decibel level for a warning horn on an FLT?
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Booney  
#1 Posted : 20 December 2011 11:18:16(UTC)
Rank: Forum user
Booney
??? Or a recommendation for a level? I have contacted a couple of organisations but no answer is forthcoming so far Any guidance would be much appreciated
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Guru  
#2 Posted : 20 December 2011 11:30:36(UTC)
Rank: Super forum user
Guru
Hi Booney, Im not aware of any specific requirements for horn levels of FLT's. I suppose it would depend on the noise levels of the environment in which it was operating, and as such should be at an appropriate level so it could be heard. A basic rule of thumb used for fire alarm sounders is that they are 10dBA above the noise levels of the area they are in.
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Booney  
#3 Posted : 20 December 2011 11:42:53(UTC)
Rank: Forum user
Booney
Hi Guru, I tested noise levels in the cab of one of our trucks and found that a horn from another truck was some 14dB higher (at 10m distance) which I felt was adequate but that then made me wonder if there was actually any guidance out there - hence my post. Many thanks for the prompt reply
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