Trench assembly (1) for receiving, storing, discharging and / or infiltrating a fluid, preferably of water, which is composed of modules, wherein at least one shaft element (2) is provided, into which an inlet (5) opens to the shaft element ( 2) fluid, and wherein at least two guide elements (3, 3) are provided, which adjoin the shaft element (2) and can receive fluid from the shaft element (2), and wherein a plurality of storage elements (4) and / or shaft elements (2) is provided, each of which at least one adjacent to each of the at least two guide elements (3) and can receive fluid from the guide element (3), characterized in that the guide element (3) has a guide channel (3.1), the Guide element (3) approximately completely penetrated straight and aligned with the adjacent shaft element (2) and the adjacent storage element (4) or shaft element (2).
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