Abstract: The present invention relates to a transporting apparatus comprising a sludge scraping and sludge transporting arrangement comprising primarily a scraping and transport element to be arranged in a simple and rational way in a sedimentation basin in water treatment plants, characterized of a) a series of sliding tracks to be arranged to the bottom of a sedimentation basin, b) a drawing rod to be arranged for a to- and fro movement, c) at least two outer rods arranged in parallel to said drawing rod.