22 13 00 Facility Sanitary Sewerage
22 13 19.13 Sanitary Drains
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