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Concepts

         Sewerage / drainage master plans and studies

         Rehabilitation of sewage networks

         Determination of residual value, sewage register (ISYBAU)

         Evaluation of sewer status, classification of remaining service life

         Modern rainwater treatment

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Hydraulic calculations / measurements

         Hydrodynamic computer simulation for sewer networks (HYSTEM EXTRAN)

         Calculation of pollution loads

         Measurements of rainfall data, discharge, water level

         Measurements of pollution load

         Evaluation of measurements, calibration of computer models

         Measurements of sedimentation in sewage canals and culverts

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Structures

         Sewer construction from preliminary to final engineering design

         Trenchless rehabilitation

         Rain water retention basins

         Storm water overflow tanks

         Conventional culverts, air-cushion culverts

         Pump stations, syphons, air-regulated syphons

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