Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Shoreline embankment protection from oil spills : Case Hernesaari in Helsinki, Finland
Oil transportation in the Gulf of Finland has increased significantly during the past 20 years. At the same time also other marine traffic has been increasing. The majority of the oil transportation traffic runs from Russia´s new oil terminals in an east to west direction. This combined with the Helsinki – Tallinn traffic creates a risk hotspot in the shipping lanes crossing south from Helsinki. The worst case scenario that has been identified as possible, is a collision of a fast passenger ferry and an oil tanker vessel that may cause a major oil spill just in front of Helsinki. The aim of an oil spill response operation at sea is to keep the spillage away from the shores and to collect as much of it from the water as possible. If the spillage reaches the shores, the collection and cleanup is very slow and costly – in many locations the changing of the contaminated landmasses is the only solution. In Helsinki the Hernesaari area is very open to waves and winds from open sea, the shoreline is completely manmade by land fillings. If an oil spillage contaminates the Hernesaari shores, the rough structure will most likely have to be rebuilt by changing the landmasses in the shoreline. The purpose of this work is to find solutions for land filled shoreline protection from oil spillages from the sea and to find out if the regulations in Finland concerning the planning of this type of structures acknowledge the need for an assessment of the probability of an oil spill contaminating the built embankments. The information for the study was collected from Helsinki City´s Hernesaari area partial Master Plan´s and City Plan´s background material, an expert interview meeting in Helsinki City Planning Department and from the oil spill response authorities´ publications. The results show clearly that there is a need for structural protection against extensive and deep penetrating shore embankment contamination. This work proposes using impermeable groundwater protection materials in shoreline land fills. The results also ...
Shoreline embankment protection from oil spills : Case Hernesaari in Helsinki, Finland
Oil transportation in the Gulf of Finland has increased significantly during the past 20 years. At the same time also other marine traffic has been increasing. The majority of the oil transportation traffic runs from Russia´s new oil terminals in an east to west direction. This combined with the Helsinki – Tallinn traffic creates a risk hotspot in the shipping lanes crossing south from Helsinki. The worst case scenario that has been identified as possible, is a collision of a fast passenger ferry and an oil tanker vessel that may cause a major oil spill just in front of Helsinki. The aim of an oil spill response operation at sea is to keep the spillage away from the shores and to collect as much of it from the water as possible. If the spillage reaches the shores, the collection and cleanup is very slow and costly – in many locations the changing of the contaminated landmasses is the only solution. In Helsinki the Hernesaari area is very open to waves and winds from open sea, the shoreline is completely manmade by land fillings. If an oil spillage contaminates the Hernesaari shores, the rough structure will most likely have to be rebuilt by changing the landmasses in the shoreline. The purpose of this work is to find solutions for land filled shoreline protection from oil spillages from the sea and to find out if the regulations in Finland concerning the planning of this type of structures acknowledge the need for an assessment of the probability of an oil spill contaminating the built embankments. The information for the study was collected from Helsinki City´s Hernesaari area partial Master Plan´s and City Plan´s background material, an expert interview meeting in Helsinki City Planning Department and from the oil spill response authorities´ publications. The results show clearly that there is a need for structural protection against extensive and deep penetrating shore embankment contamination. This work proposes using impermeable groundwater protection materials in shoreline land fills. The results also ...
Shoreline embankment protection from oil spills : Case Hernesaari in Helsinki, Finland
Estlander, Ville (Autor:in) / Lahden ammattikorkeakoulu
01.01.2018
10024/66388
Hochschulschrift
Elektronische Ressource
Englisch
DDC:
710
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