The scope of work A major operator asked us to develop a decommissioning strategy for the out of service pipelines of an onshore network. The pipeline network was in an especially environmentally sensitive area of the UK, featuring sites of special scientic interest, special protection areas, and national nature reserves. Due to the sensitive location and the age of the asset, a highly tailored decommissioning strategy was required to minimise risk to the environment. The solution We produced a decommissioning strategy in accordance with the requirements of the Pipelines Safety Regulations 1996. The initial stage was to collate the available information to produce a complete material inventory. We then proceeded to review the requirements of key stakeholders including Natural England, Eng

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