the work of taken to pick up and put away at least a portion of a stream of water that flows across it.

摘要

The system has a foundation- and supporting assembly (1) comprising a flow channel (2) at its upper surface, where water stream flows into the channel. Two screens (3, 4) have corresponding screen elements for preventing passing of foreign objects carried by water. The assembly has a collecting channel arranged below one of the screens and comprising high and short walls (51, 52) of different heights, where the water flows through the channel. The screen is arranged below the other screen, where upper ends of the respective screens are supported in a region of a highest point of the high wall.