We use dredging to describe removing a range of materials or for making the channel larger by removing the bed and channel side material. SARP is able to provide its 100 000 customers, as a result, with a very innovative and competitive cost-constrained service offering, including both a drone pre-diagnosis and dredge optimisation.Dredging and desilting are methods that we use to remove an accumulation of silt material, such as fine gravels or soils that have been washed into rivers from surrounding land in the catchment, from the bottom of rivers to temporarily increase the flow.ĭesilting is usually undertaken more frequently to remove recent deposits of silt to the bed level of a river. The data thus collected has enabled SARP to significantly improve its knowledge and learn about the sewing pipes by implementing a reliable predictive maintenance strategy. ![]() Now four years later, PREDIRE is able to move across pipes up to 20-30 cm diameter, ie accross 70% of the sewer network. ![]() To this end, SARP made field requirements to the CEA LIST Carnot Institute. The company has asked to limit this type of maintenance operation to a strict minimum by way of preventive inspections since 2014. ![]() The 150 agencies making the group provide sewer maintenance for the municipalities and local communities.ĭredging clean-up operations require heavy equipment fitted with high-pressure pumps. SARP, a subsidiary of French group Veolia Environment, results from mostly the aggregation of several, sometimes 100-generation old, family-run businesses.
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