21 00 00 Fire Suppression 10 44 00 Fire Protection Specialties 28 30 00 Electronic Detection and Alarm 21 40 00 Fire-Suppression Water Storage 21 30 00 Fire Pumps 21 20 00 Fire-Extinguishing Systems 21 13 00 Fire-Suppression Sprinkler Systems 21 10 00 Water-Based Fire Suppression Systems 21 07 00 Fire Suppression Systems Insulation