21 40 00 Fire-Suppression Water Storage
21 41 00 Storage Tanks for Fire-Suppression Water
21 41 13 Pressurized Storage Tanks for Fire-Suppression Water 21 41 16 Elevated Storage Tanks for Fire-Suppression Water 21 41 19 Roof-Mounted Storage Tanks for Fire-Suppression Water 21 41 23 Ground Suction Storage Tanks for Fire-Suppression Water 21 41 26 Underground Storage Tanks for Fire-Suppression Water 21 41 29 Storage Tanks for Fire-Suppression Water Additives