Last night's fire alarm

At 1:30 this morning the fire alarm went off. About 20 residents with workable knees and hips walked down the stairs and out of the building. As per policy, guys on the Second Floor Assisted Living (C & M wings) waited in their rooms for the all-clear or subsequent EMS evacuation. We went back in about 20 minutes later.

I was willing to blame late-night toast burning or pagan incense offerings, but the cause turned out to be more banal. Dust in the attic had accumulated enough to trigger the sensors. (Why they couldn't have been triggered at a more decent hour, I do not know. I have come close to triggering the censors myself, but that's grist for another mill.)

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