520 Hz Fire alarm requirements

[KP2]

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

 

[dkidd]

This link will give you several sources of information information.

http://lmgtfy.com/?q=520+hz+fire+alarm+requirements

GIYF

 

[gadfly56]

System Sensor is usually a good source. See here for the general scope. This is a more technical look.

 

[KP2]

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?