AHJ is still under NFPA 13, 1999 - No code reference has been requested. It is a direct to owner job so no Architect on board and these are existing buildings.
We are in the process of fire sprinkler system design for a Boys Home. There are (5) individual buildings all around 1200 sq. ft. or less all typical housing construction. A Frame wood attics with 4 to 5 sleeping areas per unit. The local code (state) enforcement is looking for a full NFPA 13...