33 12 00 Surface Water Sources
33 12 53 Reservoir Flexible Baffle Curtains
33 12 11 Intake Structure Systems 33 12 13 Intake Cribs 33 12 16 Intake Drop and Riser Shafts 33 12 31 Reservoir Weight-tensioned, Defined Sump Floating Covers 33 12 31.13 Reservoir Weight-tensioned, Defined Sump Polyethylene-reinforced Floating Covers 33 12 31.23 Reservoir Weight-tensioned, Defined Sump Polypropylene-reinforced Floating Covers 33 12 33 Reservoir Mechanically-tensioned Floating Covers 33 12 33.13 Reservoir Mechanically-tensioned Polyethylene-reinforced Floating Covers 33 12 33.23 Reservoir Mechanically-tensioned Polypropylene-reinforced Floating Covers 33 12 36 Reservoir Short-term Floating Covers 33 12 39 Reservoir Ball Floating Covers 33 12 43 Floats for Reservoir Floating Covers 33 12 46 Appurtenances for Reservoir Floating Covers 33 12 53 Reservoir Flexible Baffle Curtains