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Hydraulic invariance

Hydraulic invariance

Geology and Geotechnics
Hydraulic invariance

Hydraulic invariance studies are mandatory for new construction and urbanisation projects, in order to ensure that land transformations do not increase storm-water runoff compared with the pre-existing condition. We draft complete hydraulic invariance reports, including the sizing of attenuation and infiltration systems (storage tanks, drainage trenches, soakaways), the calculation of the required storage volumes and the verification of the discharged flow rate in compliance with regional regulatory limits.

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