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A terrain evaluation of a remote area of hyperarid desert in central Algeria was undertaken as part of the front-end engineering design (FEED) studies for a gas field development. The work was part of the identification of suitable route options for a large buried pipeline between the gas fields and the existing pipeline network, some 500 km to the north. The results of the study provided information to support construction costings and preliminary engineering design and construction evaluation of potential geohazards and geotechnical issues, notably trench excavatability and dune mobility, and to help subsequent selection of a specific alignment within the corridor.

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