Isle of Grain LNG Terminal Import Pipeline

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In 2001 predictions of gas supply and demand in the UK showed a future gap that would require additional supplies of natural gas for the UK. An engineering study conducted in 2001 and 2002 showed that the conversion of the LNG facility to LNG importation duty was technically feasible. The transfer of LNG from the jetty to the facility would require a 3.2km LNG pipeline corridor crossing contaminated land on the site of the former Kent oil refinery.

The LNG unloaded from the ships is transferred to the process facility in two pipelines with nominal diameters of 900mm and 350mm.

The pipelines are fully welded from the jetty to the process facility and feature isolation valves at either end. Additional isolation valves along the pipeline were not included as smaller releases from valve stems and gaskets were shown to be a greater risk.

Both LNG pipelines were constructed from pre-insulated sections which avoided the need for hand-applied insulation in the field.

The Isle of Grain LNG terminal is owned and managed by Grain LNG Limited.

Long O Donnell Associates was commissioned for the provision of full Quantity Surveying, Commercial Management and Cost Engineering Services to support the delivery of the project.

Client

Grain LNG Limited

Project Value

Undisclosed

Project Duration

Undisclosed

Services Provided

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Isle of Grain LNG Terminal Import Pipeline,

In 2001 predictions of gas supply and demand in the UK showed a future gap that would require additional supplies of natural gas for the UK. An engineering study conducted in 2001 and 2002 showed that…