As Engineering manager for the PMC, it's great to see over 18 months of design engineering finally come to fruition. The Jetty will be located some 5 kilometers offshore, so the number of engineering disciplines required to deliver this structure are vast.
The marine aspects of waves and wind plus the movement of the sea bed and the structure of the ground below all have huge impact on the location and loads inflicted on the Jetty. The design aspects of the piling, the reinforcement and concrete decking and the capability of the structure to withstand not only the ambient conditions but also to support the loads of the equipment sitting on the topside of the Jetty are enormous.
Then of course we have the operational requirements, the required transfer rates of LNG, the pressure supplies and pressure drops, the cooling of the pipework to -162 degrees C and the subsequent stresses involved, not withstanding the surge analysis and boil off gas produced. The process pipework on the topside is the heart and soul of these issues, the dynamics and ergonomics are profound and have certainly helped to keep us busy over the last year.
Not only is the transfer of LNG from Carrier to Floating Storage Unit important, but then we have the transfer of LNG from the Jetty via the Trestle to the Regasification Platform to consider, whilst all the time maintaining best efficiency and reduced flare options that are required.
On top of that we need to ensure that we contain any LNG spill and be able to fight any fire that may occur due to failure, all within applicable codes to ensure safety standards.
Its a pretty picture that we have today, but the engineering effort and co-ordination must never be forget. Many thanks to all the engineers involved, we got there in the end.
Kind Regards, Garry Turnbull, Engineering Manager.
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