520 Hz Fire alarm requirements

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KP2

Senior Member
Location
New Milford, CT
Hello folks, I was wondering if anyone has a link or a guide to help know when 520 Hz alarms are required in a residential multifamily development, either cottage style or High rise.

Thanks in advance.
Kevin
 
Thanks for the replies, I guess the only area that is still a little unclear to me is when we are bidding multifamily dwellings, that are for general residential occupancy.

Would ADA laws require 520Hz or is this requirement only part of 70-E?
 
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