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within the site necessitated alternative solutions. Planning and Execution The solution of the above mentioned problem consisted in implementing swales and deep bedded Retention Trench systems (INNODRAIN). They were designed by Ingenieurgesellschaft Sieker mbH and implemented by Mall Beton

since mid-2003. And if you are wondering, yes we certainly manage the rainfall runoff from impervious areas through a decentralized system (swale-trench-system and INNODRAIN)!