ENGIE, France & Fluxys, Belgium (2019)

LNG bunkering pontoon enables simultaneous operation


The customer's challenge

Our solution

The outcome

illustration of a bunkering pontoon

Bunkering from a land-based installation is not the right solution for every situation – no matter if the solution is movable or permanent.

French energy giant ENGIE and Belgian transmission system operator Fluxys had also come to this conclusion when they chose MAKEEN Cryo and the Dutch ship designer Conoship to come up with a concept for an LNG bunker pontoon.

Finding the perfect solution

The project was a pre-engineering study to develop the optimal design, with Conoship designing the pontoon itself while MAKEEN Cryo was charged with the cryogenic outfitting. This included the integration of the tanks and pipes, location of flanges as well as calculating how the bunkering would work and planning the handling of hoses – in short, everything related to the actual bunkering process.

More free space at the dock

This pontoon, which is designed to carry between 1 and 4 LNG tanks, has several advantages. By not having trucks going to and from the ship when it needs bunkering, it reduced the traffic that is a challenge at many harbours. Furthermore, it allows for simultaneous operations ("sim ops") – the simultaneous process of loading and offloading cargo or passengers on the dock side of the ship while filling its fuel tanks from the other side.

Since the pontoon has no engine of its own, it must be guided to its destination by a tugboat. Alternatively, a ship can moor next to the pontoon while it sits at the dock.


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