40 24 00
Specialty Liquid Chemicals Piping
40 23 48
Thickened Sludge Process Piping
40 23 46
Waste Sludge Process Piping
40 23 44
Primary Sludge Process Piping
40 23 43
Scum and Floatables Process Piping
40 23 41
Grit Process Piping
40 23 40
Sanitary Wastewater Process Piping
40 23 33
Reverse-Osmosis Water Process Piping
40 23 29
Recirculated Water Process Piping
40 23 23
Potable Water Process Piping
40 23 19
Non-Potable Plant Water Process Piping
40 23 16
Distilled-Water Process Piping
40 23 13
Deionized Water Process Piping
40 23 00
Water and Wastewater Process Piping
40 22 50
Light-Fractions Petroleum Products Piping
40 22 23
Petrochemicals Process Piping
40 22 16
Lubricating Oils Process Piping
40 22 13
Liquefied Petroleum Gas (LPG) Process Piping
40 22 10
Heavy-Fractions Petroleum Products Piping
40 22 00
Petroleum Products Piping