The municipality of Lochem will tender for the regular maintenance of the pressure sewerage system. A multi-year RAW specification has been drawn up for this purpose. The maintenance work relates to the cleaning, inspection and execution of maintenance on pressure sewer units, injection and lifting pumping stations. Maintenance must also be done on mountain sedimentation facilities and the remedying of calamities on discharge pipes must be carried out.

The work mainly consists of:

- carrying out periodic (preventive) maintenance on pressure sewer units and pumping stations;

- remedying malfunctions by means of a breakdown service;

- carrying out NEN 3140 inspections;

- setting up and maintaining a management and maintenance system.