Decommissioning of Offshore Concrete Gravity Based Structures (CGBS) in the OSPAR Maritime Area / Other Global Regions

IOGP Report 484

Get an overview of the decommissioning options available to Offshore Concrete Gravity Based Structures (CGBS)

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Description

This report provides an overview of the decommissioning options available to Offshore Concrete Gravity Based Structures (CGBS). It is a minor update of report 484 (1) published in 2012. The work was undertaken to provide technical input to the five-yearly review (in 2018) of OSPAR’s categories of offshore structures for which derogation from the general prohibition of dumping of disused offshore installations (including leaving wholly or partially in place) may be granted. The report provides a complete synopsis of the global distribution of CBGS and discusses options for disposal of the structures when they come to the end of their operational life. The review takes into account engineering, environmental, safety and cost challenges associated with decommissioning this class of structure.

IOGP Report 484

Additional information

Topic

Decommissioning

Document type

Report

Publication Date

2018