Odwodnienie budowli posadowionej na gruntach spoistych w rejonie skarpy wiślanej

This paper presents problems related to the church and the parish house construction the Vistula escarpment zone. Foundation slabs of design buildings are located AT 4.1–8.2 m below ground surface. Subsoil of buildings to 11 m depth consists the sandy Clay in a stiff condition. Below sandy clay layer the postglacial compacted sands are distinguished. The sate factors obtained for the Vistula escarpment with design buildings the stable condition. In order to protect the subsoil conditions of foundation slabs zones against soil properties changing one to the infi ltration of rainfall water the drainage system was designed. The water from system drainage outfl ows gravitationally to two absorbing wells located at escarpment toe.