33 12 00 Surface Water Sources
33 12 33 Reservoir Mechanically-tensioned Floating Covers
33 12 11Intake Structure Systems33 12 13Intake Cribs33 12 16Intake Drop and Riser Shafts33 12 31Reservoir Weight-tensioned, Defined Sump Floating Covers33 12 31.13Reservoir Weight-tensioned, Defined Sump Polyethylene-reinforced Floating Covers33 12 31.23Reservoir Weight-tensioned, Defined Sump Polypropylene-reinforced Floating Covers33 12 33Reservoir Mechanically-tensioned Floating Covers33 12 33.13Reservoir Mechanically-tensioned Polyethylene-reinforced Floating Covers33 12 33.23Reservoir Mechanically-tensioned Polypropylene-reinforced Floating Covers33 12 36Reservoir Short-term Floating Covers33 12 39Reservoir Ball Floating Covers33 12 43Floats for Reservoir Floating Covers33 12 46Appurtenances for Reservoir Floating Covers33 12 53Reservoir Flexible Baffle Curtains