I have a partially open ceiling tile (2' x 2') with 3" wide panel around the perimeter (which created a 6" obstruction between panels on all sides (Lattice type look). I can not find where NFPA-13 allows sprinklers above a certain percentage opening below sprinkler. Can anyone direct me to an NFPA-13 Section addressing This? Thanks,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm
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