Affinity Water embarked on a new flood resilience infrastructure to Egham, Walton and Chertsey water treatment works to bolster its flood defences from the River Themes. Topographical surveys were undertaken in areas that had a significant chance of flooding during an extreme event, and to take into account the effect of any flood defences that may be in the areas.

These were then calculated to determine predicted flood levels to allow highlighted key areas to be extended above the flood level, ranging from instrumentation and associated cabling to whole electrical control panel kiosks and mains distribution supplies.

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