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Fylde Coast outfall - pipeline stability assessment
Northwest Water, supported by Halcrow, were investigating the exposure and potential partial floatation of a major outfall pipeline on the Fylde Coast in Lancashire. Northwest Water asked HR Wallingford for specialist support in diagnosing the causes of the exposure and in designing a remedial solution.
The scope of work included extensive assessment of long-term stability of trench backfill. The study comprised field measurement (sedimentological and geotechnical investigations), laboratory tests, numerical modelling of erosion and wave-induced liquefaction and overall interpretation.
Location:
UK
Client:
Northwest Water /Halcrow
Role:
Project Manager
Year:
1999 – 2001