33 12 33
Reservoir Mechanically-tensioned Floating Covers
33 12 31.23
Reservoir Weight-tensioned, Defined Sump Polypropylene-reinforced Floating Covers
33 12 31.13
Reservoir Weight-tensioned, Defined Sump Polyethylene-reinforced Floating Covers
33 12 31
Reservoir Weight-tensioned, Defined Sump Floating Covers
33 12 16
Intake Drop and Riser Shafts
33 12 13
Intake Cribs
33 12 11
Intake Structure Systems
33 12 00
Surface Water Sources
33 11 53
Monitoring Wells
33 11 39
Jet-Type Well Pumps
33 11 36
Submersible Centrifugal Well Pumps
33 11 33
Vertically Suspended Dry-Location Centrifugal Well Pumps
33 11 19
Aquifer Recharging Wells
33 11 16
Irrigation Wells
33 11 13
Potable Water Supply Wells
33 11 11
Test Wells
33 11 00
Groundwater Sources
33 10 00
Water Utilities
33 09 80
Instrumentation and Control for Communications Utilities
33 09 70
Instrumentation and Control for Electrical Utilities