FIELD: hydraulic engineering, in particular, erection of guarding constructions or dams made of flexible waterproof materials. SUBSTANCE: guarding construction is made in the form of screen 1 comprising flat closed sack open from top and filled with liquid. Long sides of the sack are secured to a buoy 2 made in the form of a tube. Sack bottom is secured to anchor 3 made in the form of a tube filled with water. Buoys 2 and anchors 3 are secured movable to supports 4. EFFECT: highly reliable guard. 2 dwg
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