Flood risk assessment for office and services building Alchemia II at Al. Grunwaldzka 409 in Gdansk.

The aim of the study is to assess the risk of flood from natural meteorological and hy-drological phenomena, for office and services building Alchemia II in Gdansk at Al. Grun-waldzka 409. The project includes the analysis of potential sources of floods in Gdansk re-garding the Baltic Sea and the Gulf of Gdansk, the Vistula River basin and excessive rainfall and snowmelt waters being a significant element of hydrological processes in the urbanized catchment of Gdansk. The paper presents analysis of historical flood events and their nega-tive effects in the area of the building, analysis of the preparation of the Alchemia II building to limiting flood risk and damage, as well as flood risk and hazard for given property.