It's a dedicated space for fire protection equipment, where the fire sprinkler riser system is housed: blog.qrfs.com/233-what-is-a-fire-riser-room-ifc-and-nfpa-requirements/ Queen Creek, Arizona requires new residential Single Family Homes install a fire sprinkler system.
There is also one with a drive through at signal butte and baseline road in east Mesa :)
10:13 what is a fire riser room?
I'll guess it's to identify a room with a place for the Fire Department to connect their Fire Hose. I notice there's a Fire Bell above it.
It's a dedicated space for fire protection equipment, where the fire sprinkler riser system is housed:
blog.qrfs.com/233-what-is-a-fire-riser-room-ifc-and-nfpa-requirements/
Queen Creek, Arizona requires new residential Single Family Homes install a fire sprinkler system.