I have a strange situation: a concrete deck with surface-mounted light fixtures.
We then have a ceiling grid that is suspended about a foot below that, where they have 2-ft x 4-ft plastic grid fixtures below the lights to allow light to shine through.
The openings are in the middle of the room so it's not a "cloud ceiling", and they represent more than 20% of total ceiling space.
Do I simply provide coverage below grid as normal and above the ceiling grid 24-ft in every direction above the openings in accordance with NFPA 13 2016 184.108.40.206.1?
Thanks in advance.
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