FIELD: hydraulic construction. SUBSTANCE: young fish is transported by upper layer of water stream to the hydrosystem and delivered to a closed basin formed by horizontal screen 1 and side walls of backwater structure. Then the young fish is delivered by fish pass 7 to the tail water. Screen 1 is attached to pontoons 3 which ensures its displacement as the water level changes providing for constant conditions for gathering and delivering young fish to the tail water. EFFECT: increased efficiency of operation. 3 dwg
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