You should have received a couple of letters about this year’s fire system testing, which is scheduled for July 23 and 24, with August 7 as a makeup date.
The original letter explains the whole thing. The update letter explains the updated schedule.
The detailed schedule shows the anticipated time that each unit will be tested. Note that this time can vary up to two hours earlier or later as conditions change.
Use this handy map to determine your building and unit number if you don’t know them.
Also see the FAQ page for some common questions about these topics.