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1
Content available Dimensioning of port waterways for vessels handling offshore wind farms using the navigational risk analysis
Gucma Stanisław, Gralak Rafał
Zeszyty Naukowe Akademii Morskiej w Szczecinie
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2022
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nr 70 (142)
9--19
EN
This article indicates the development trends in the construction of offshore wind turbines worldwide, and the characteristics of existing and planned ships for wind turbine installation and maintenance; it presents an approach to design ports with their future operations in mind. Problem: The safety of navigation in port waterways is the basic restrictions for the construction of harbors (terminals) to handle ships used for the construction of OWT and for increasing their size. Navigational risk is a criterion of navigational safety assessment that allows its accurate estimation in port waterways. Method: The article presents the method for dimensioning port waterways for ships serving offshore sea wind turbine transport and construction. Furthermore, a method for determining the navigational risk of jack-up vessels navigating in port waterway areas is presented. Results: The authors have determined conditions for safe operation of these ships in restricted areas and defined the basic condition of navigational safety. The presented method of navigational risk analysis refers to the departure of a loaded ship carrying offshore wind turbine components in the presently designed port terminal in Świnoujście for handling offshore wind farm projects. Conclusion: These are universal methods that can be applied to the design of ports serving vessels that install offshore wind turbines in various types of waters.
2
Content available remote Projektowany port do obsługi morskich farm wiatrowych w Świnoujściu – analiza ryzyka nawigacyjnego
Gucma Stanisław, Gralak Rafał
Inżynieria Morska i Geotechnika
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2021
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nr 2
76--83
PL
Prezentacja projektu portu w Świnoujściu przewidzianego do obsługi statków instalujących oraz serwisujących turbiny wiatrowe na Bałtyku w polskiej strefie ekonomicznej. Opracowanie specjalnych kryteriów bezpieczeństwa nawigacji dla statków tego typu oraz przeprowadzenie analizy ryzyka nawigacyjnego w celu zwymiarowania akwenów portowych dla tych statków oraz określenia warunków ich bezpiecznej eksploatacji podczas manewrów wejścia i wyjścia z portu.
EN
Presentation of the project of the port in Świnoujście planned to handle ships for installing and servicing wind turbines in the Baltic Sea in the Polish economic zone. Development of safety criteria for this type of ships and carrying out a navigational risk analysis for dimensioning of the port basins and channels for chosen ships and defining the conditions for their safe operation, during port entry and departure manoeuvres.
3
Content available remote Analiza bezpieczeństwa eksploatacji statków na przebudowanym torze wodnym Świnoujście – Szczecin
Gucma Stanisław, Gralak Rafał, Jesion Piotr, Łempicki Maciej, Przywarty Marcin
Inżynieria Morska i Geotechnika
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2021
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nr 6
230--236
PL
Maksymalne parametry statków i warunki ich bezpiecznej eksploatacji na przebudowanym torze wodnym Świnoujście – Szczecin (pogłębienie toru wodnego z 10,5 m do 12,5 m i odpowiednie poszerzenie). Warunki bezpiecznej eksploatacji statków na tym torze zdefiniowane przy wykorzystaniu nowo opracowanej metody określania maksymalnych bezpiecznych parametrów statków w złożonych systemach istniejących dróg wodnych.
EN
The maximum parameters of ships and the conditions for their safe operation on the rebuilt Świnoujście – Szczecin fairway (deepening of the fairway from 10,5 m to 12,5 m and widening it accordingly). The conditions for the safe operation of ships on this fairway defined using a newly developed method for determining the maximum safe parameters of ships in complex systems of existing waterways.
4
Content available Areas of emergency maneuvers and the navigational risk of accidents in fairways due to ship technical failures determined by the ship movement simulation method
Gucma Stanisław, Gralak Rafał, Muczyński Bartosz
Zeszyty Naukowe Akademii Morskiej w Szczecinie
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2020
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nr 61 (133)
39--47
EN
The identification of navigational risks of accidents in fairways is a basic principle for the construction or modernization of waterways in restricted waters and when the conditions of safe operation change. The estimation of navigational risk requires the evaluation of the consequences of accidents occurring in fairways: grounding, impact against a vertical shore, port/offshore structure or moored ship. When determining the consequences of these accidents, it is necessary to know the emergency maneuvering area and the speed of the ship at the time of the accident. The method of ship movement simulation in real time was used to determine the parameters of emergency maneuvering areas and the speed of vessels during the maneuvers. The results of the simulation experiment include full form vessels (bulk carriers, tankers) with a capacity ranging from 5,000 DWT to 100,000 DWT. The presented results of simulation tests enabled the evaluation of probability and consequences of ships’ accidents in fairways resulting from technical failures of ships’ steering equipment, allowing to assess the navigational risk for ships sailing through different types of fairways (approach channels, port entrances and inner port fairways).
5
Content available A simulation method for the determining the minimum pull of tugs assisting in port manoeuvres
Gucma Stanisław, Gucma Maciej, Gralak Rafał, Bilewski Mateusz, Muczyński Bartosz
Zeszyty Naukowe Akademii Morskiej w Szczecinie
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2019
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nr 57 (129)
49--55
EN
The article presents a simulation method for determining the minimum safe pull of tugs assisting in port manoeuvres. The method can be used to determine the relationship between the minimum safe pull, understood as the tension on the line, of the assisting tugs and the overall length, cargo capacity or net capacity of ships manoeuvring in a given port under allowable hydrometeorological conditions. The method was verified through simulated tests of gas tankers’ entry, turning and berthing at the LNG terminal of Świnoujście.
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