BE-06 - Maintenance of drain and sewer systems - Cleaning II

This course includes tutorial services and a final examination.

Cleaning is one of the most important maintenance measures when it comes to ensuring a continuous performance of drainage systems. This module expands on the topics covered in module "D-05 cleaning I", by providing further knowledge on the applications and limits of flushing methods, mechanical cleaning methods and special methods, such as physical and chemical sewer cleaning. Discussed are both the accessible and non-accessible lines, as well as pressure lines. It concludes with providing constructive solutions for the minimization of solids entry into the sewer system, with the aim of preventing the formation of deposits and hence the reduction of cleaning efforts and frequencies.

The course consists of 5 modules covering the following topics:

  • Flushing methods
  • Mechanical and Miscellaneous methods
  • Cleaning of large profiles
  • Cleaning of pressure lines
  • Constructive design measures for the reduction of deposit

Operating processes in the cleaning of drains and sewers have a high ecologic and economic optimization potential. Activating this potential is the overall aim of this module. Upon successful completion you will be able to: • describe the flushing process, • differentiate between bed load and suspension waves, • identify the effects of bed load and suspension waves, • differentiate between flushing devices according to their structural design and technical specifications, • identify the operating limits of automatically operating flushing gates (without external power), • identify the steps for creating an operational flushing concept, • describe the back-up flushing process and identify its application limits, • identify mechanical cleaning methods and their applications, • determine the various mechanical cleaning boundary conditions based on the pipe diameter, type and amount of deposits , • to select the appropriate rotary cutters chain formation based on the type of deposit or obstacle • to identify application areas for the use of physical, chemical and biological processes, • identify methods for the cleaning of large profile pipes, • identify and describe the methods and processes used for the cleaning of pressure lines, • describe the design measures and principles for the prevention of deposits.

This course is offered by the Prof. Dr.-Ing. Stein & Partner GmbH (Bochum) and S & P Consult GmbH (Bochum) in cooperation with S & P Consult GmbH is a consulting engineering firm specialising in trenchless pipeline installation, rehabilitation and maintenance, as well as environmental technology. We are a subsidiary of Prof. Dr.-Ing. Stein & Partner GmbH.

Prof. Dr.-Ing. Stein provided essential foundations for a sustained management of drainage systems, as well as for trenchless installations of pipelines and their rehabilitation and maintenance. S & P has its focus on this tradition and its intertwined objectives, as e.g. environmental protection, improved underground supply and disposal infrastructures - and with that an improved quality of life in our cities.

The complexity of this task requires interdisciplinary solutions. Our team of highly qualified professionals at S & P is at your disposal. Our know-how in planning, construction, operation, maintenance, rehabilitation and management of water supply and disposal networks, as well as the mastery of all trenchless installation methods and pipeline rehabilitation are the key to our success.
In addition to consulting services and practice-oriented solutions we initiate and support a multitude of research and development projects. We advise and assist owners and operators in all fields of rehabilitation and maintenance management of their supply and disposal networks.

The visaplan GmbH, a subsidiary of Prof. Dr.-Ing. Stein & Partner GmbH, is your service provider for e-learning and knowledge transfer in the construction sector! Whether web-based product training, technical skills training, mathematical tools or sustainable education and training, visaplan GmbH and UNITRACC are the construction sectors leading concept and solution providers for web-based teaching and learning, particular in the field of underground infrastructure.

By combining experts from the fields of engineering, computer science and media development, we are able to offer all of the building blocks necessary for e-learning and knowledge management in the construction industry.


Beginner to Advance


16 hours within 4 weeks


500.00 EUR plus VAT