According to MURL (1995), sewer cleaning is necessary when the deposit height reach 15% of pipe diameter. What is the basis or justification for this?

12 August 2016 1 10K Report

I would like to know the practice of municipal council throughout the world on their practice for sedimentation cleaning of sewer. The paper by Lange and Wichern (2013) published in Water Science & Technology (Volume 68; Issue:4, 756-762) titled "Sedimentation dynamics in combined sewer systems" stated that in North Rhine-Westphalia, MURL (1995) suggested to clean the sewer when the sediment deposit reaches 15% of the pipe diameter. Is there any technical justification for this? If so, what are the reference that I can referred to?

Raul Campillo

Porque Si Una heno ón lo más probable es que aumente y será más difícil. Además la descarga hacia el alcantarillado tiende claramente a aumentar por el crecimiento poblacional.

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