Translations:Versickerung und Retention/105/en
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Location: Aachen Connected catchment surfaces: Building surfaces: ADach = 1,250 m², pitched tiled roof CDach = 0.8 Catchment surfaces outside of the building: AFaG = 4,445 m², asphalt, CFaG = 0.9 Total sealed surface of the property: Ages = 5,695 m² (Ared = 5,000 m²) Medium terrain slope: < 1% sealing: > 50 %
