I have a four unit apt. building that is sprinkled. The FD wants all of the smokes in all of the units to be activated by the flow of the sprinklers. I can see problems with this. The feed for the smokes will be on the house panel but should someone shut off the breaker for them, due to a nusance, no one will have smokes. Anyone ever dealt with this?
Is this a new installation? For one thing, the IBC (IIRC) requires that the smoke alarms for each occupancy be powered from the tenant's panel and forbids interconnecting the smoke alarms from one occupancy with those in another. Otherwise, if 1A burns the popcorn everybody is scooting out into your balmy January weather
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I don't know how they do things in your neck of the woods, but you might ask them (nicely!) to quote chapter and verse on the requirement that this be done per whatever local or state code.
Finally, I don't know of any manufacturer of smoke alarms (eg Kidde) that offers a UL-listed accessory device to do what the FD wants.
There remains the issue of supervision; smoke alarms aren't.
I think the only way to properly implement the FD's requirement is to install a full-blown FACP, tie in a supervised flow switch, and drop a notification appliance in each unit. Now everyone will be notified on waterflow but not when someone overcooks the turkey.