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Monday, March 15, 2021 

Høglund Gas Solutions has signed a contract with oilfield services provider Halliburton to provide a turnkey retrofit of the 5932 dwt ro-ro/combination carrier 'Hannah Kristina', which operates dry bulk, wet bulk and general cargo under charter to Halliburton with technical management by Larvik Shipping on behalf of owner Base Marine Norway.

The project aims to improve the vessel’s environmental footprint by converting the MDO-fuelled vessel into dual-fuel by supplying an LNG Fuel Gas Supply System (FGSS) alongside an upgrade with shore power connection.

The Høglund-project involves collaboration between naval architects, engineering teams, retrofit shipyard, suppliers, class society, flag state and vessel owner/operator. These include naval architect HB Hunte Engineering and shipyard Fiskerstrand Verft, with classification by DNV. The scope of the contract consists of a 250m³ capacity FGSS with a dedicated Gas Control and Safety System. For the shore-power upgrade that will be used to power the vessel while berthing and to charge the existing Energy Storage System (ESS), Høglund will supply and install a package consisting of shore connection cabinets of 690V / 600kVA compatible with shore power supply, following IEC80005-3 standards. Both systems will be integrated into the existing Automation System (IAS), Power Management System (PMS) and ESS control system of the vessel which were delivered and installed by Høglund in 2018.

In order to implement the IGF-Code requirements and improve the safety credentials of the Hannah Kristina, Høglund and HB Hunte will perform modifications including adjustment of the mooring arrangement in the LNG tank area and an upgrade to the ventilation system. The delivery of the retrofitted vessel is expected to take place in March 2022.

The goal of this project is to upgrade a 20-year-old vessel with modern environmental credentials. With the use of LNG and battery power, the vessel will significantly reduce its CO2 and NOx emissions both while at sea and during harbour stays. The project is supported by the Norwegian NOx Fund.

Philipp Ulrich, Senior Project Manager, Høglund, said: “The technological and environmental transformation of shipping over the coming years is one of the biggest challenges facing our industry. To achieve this transformation in a commercially viable and minimally disruptive way, meaningful and well-coordinated collaborations are essential. I’m proud that Høglund has been chosen for this project and we are looking forward to leading a consolidated and collaborative effort by working with this diverse set of stakeholders.”

Jean-marc Lopez, VP Halliburton, said: "By utilising Hannah Kristina, Halliburton has moved huge amounts of goods from road to sea, reducing the emission of CO2 and NOx. With the conversion of Hannah Kristina from diesel to LNG and shore power, we take the reduction of CO2 and NOx a step further, in line with our strategy to continue to reduce the environmental footprint of our activities.”

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