Abstract
AbstractKing's Lynn is a typical English port and market town, located at the edge of the very flat fenland area in East Anglia. The town doubled in size to its present population of 40000 from the end of the Second World War. Although the sewerage system expanded with the growth of the town, the prevailing flat gradients gave rise to much sedimentation and loss of capacity, while tide‐locked outfalls restricted freedom of flow from the storm‐overflow facilities. The result was widespread flooding in many areas of the town during relatively minor storms. This paper describes the studies which were carried out using computer simulation methods to identify the weaknesses and deficiencies of the complex sewerage system, and the innovative tunnelling solution which was adopted to overcome the problems. An indication is also given of the benefits of good public relations when working across the urban environment.
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