22.10.00 Plumbing Piping
22.13.00 Facility Sanitary Sewerage
22.13.13 Facility Sanitary Sewers 22.13.16 Sanitary Waste and Vent Piping 22.13.19 Sanitary Waste Piping Specialties 22.13.19.13 Sanitary Drains 22.13.19.23 Fats, Oils, and Grease Disposal Systems 22.13.19.26 Grease Removal Devices 22.13.19.33 Backwater Valves 22.13.19.36 Air-Admittance Valves 22.13.23 Sanitary Waste Interceptors 22.13.26 Sanitary Waste Separators 22.13.29 Sanitary Sewerage Pumps 22.13.29.13 Wet-Pit-Mounted, Vertical Sewerage Pumps 22.13.29.16 Submersible Sewerage Pumps 22.13.29.23 Sewerage Pump Reverse-Flow Assemblies 22.13.29.33 Sewerage Pump Basins and Pits 22.13.33 Packaged, Submersible Sewerage Pump Units 22.13.36 Packaged, Wastewater Pump Units 22.13.43 Facility Packaged Sewage Pumping Stations 22.13.43.13 Facility Dry-Well Packaged Sewage Pumping Stations 22.13.43.16 Facility Wet-Well Packaged Sewage Pumping Stations 22.13.63 Facility Gray Water Tanks