the invention relates to a ground zusammenbaubare cover (14) in the container (10), such as jauchegruben. the assembled cover from at least longitudinal (24) and querprofilen (26) and at least one abdeckfolie (18) can einst u00fcckig on the container (10) to be raised and mounted.the assembly must not be emptied the container or structural measures, such as the strengthening of the floor plate, therefore, the application of the cover for nachr u00fcstzwecke to existing containers, but also for new buildings, optimal position.the cover provides protection against the bad smell in the environment, before the collection of rainwater and accidental fall.