Guidelines for Comparative Assessment in Decommissioning Programmes – Issue 1
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The guidelines on comparative assessment in decommissioning programmes aim to provide recommendations on and encourage a consistent approach to, the process to be used in completing and reporting of a comparative assessment in decommissioning programmes, promoting continual improvement and application of lessons learned.
The guidelines provide guidance on the structure and preparation for the comparative assessment, evaluation process and any supporting studies and data to inform the comparative assessment.
A comparative assessment is used to compare options, examine differences and identify the ‘most preferred’ option in the development of decommissioning programmes for
a) All installations for which derogation is sought under OSPAR Decision 98/31;
b) All pipelines2 being decommissioned under the Petroleum Act 1998
c) All drill cuttings piles that are not screened-out at Stage 1 of OSPAR Recommendation 2006/51.
To support members in the preparation of decommissioning programmes, Oil & Gas UK has developed these guidelines on the comparative assessment process. This initiative has been promoted by external stakeholders who comment on the comparative assessments.
There is recognition within the industry and held by stakeholders of a need for a consistent approach to carrying out of a comparative assessment allowing stakeholders to more easily review, comment on and compare them.
These guidelines will be reviewed and amended in light of changes to regulatory requirements, developments in the knowledge base and understanding of the comparative assessment process.
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