21.13.00 Fire-Suppression Sprinkler Systems
21.13.26 Deluge Fire-Suppression Sprinkler Systems
21.13.13 Wet-Pipe Sprinkler Systems 21.13.16 Dry-Pipe Sprinkler Systems 21.13.19 Preaction Sprinkler Systems 21.13.23 Combined Dry-Pipe and Preaction Sprinkler Systems 21.13.26 Deluge Fire-Suppression Sprinkler Systems 21.13.29 Water Spray Fixed Systems 21.13.36 Antifreeze Sprinkler Systems 21.13.39 Foam-Water Systems