40.23.00 Water and Wastewater Process Piping
40.23.43 Scum and Floatables Process Piping
40.23.13 Deionized Water Process Piping 40.23.16 Distilled-Water Process Piping 40.23.19 Non-Potable Plant Water Process Piping 40.23.23 Potable Water Process Piping 40.23.29 Recirculated Water Process Piping 40.23.33 Reverse-Osmosis Water Process Piping 40.23.40 Sanitary Wastewater Process Piping 40.23.41 Grit Process Piping 40.23.43 Scum and Floatables Process Piping 40.23.44 Primary Sludge Process Piping 40.23.46 Waste Sludge Process Piping 40.23.48 Thickened Sludge Process Piping