33 31 19
Small-Diameter Sanitary Sewerage Gravity Piping
33 31 16
Site Sanitary Sewerage Gravity Service Laterals
33 31 13
Site Sanitary Sewerage Gravity Piping
33 31 11
Public Sanitary Sewerage Gravity Piping
33 31 00
Sanitary Sewerage Piping
33 30 00
Sanitary Sewerage
33 19 29
Pre-paid Water Meters
33 19 26
Ultrasonic Water Meters
33 19 23
Magnetic Water Meters
33 19 19
Compound Water Meters
33 19 16.33
Propeller Water Meters
33 19 16.29
Portable Fire Hydrant-Type Turbine Water Meters
33 19 16.26
Fire-Type Turbine Water Meters
33 19 16.23
Turbine Water Meters
33 19 16.16
Multi-Jet Water Meters
33 19 16.13
Single-Jet Water Meters
33 19 16
Velocity-Type Water Meters
33 19 13.23
Nutating Disc Water Meters
33 19 13.13
Oscillating Piston Water Meters
33 19 13
Positive Displacement Water Meters