The Port of Southampton has completed a significant navigation channel widening programme in the Western Docks, enabling the largest container vessels to pass the biggest cruise ships berthed in the Port. This is the first significant channel-widening project in the Port in ten years. The works involved the removal of 900,000m3 of predominately clay based material over a 2 kilometre stretch of the channel, widening it by 30 – 65 metres, according to an article published on their website.
About the project
The project was two years in the making and managed by ABP Southampton’s Engineering and Marine Teams. Along with extensive navigation simulation exercises to determine the scope of work, comprehensive geotechnical surveys allowed the team to assess the nature of the material to be removed and the type of dredging equipment to be used during the work.
Diver operations assessed the seabed for historical unexploded ordnance and safely recovered marine debris such as anchors and tyres from the seabed. Archaeological sampling was completed before the dredging programme commenced. The timeframe to complete the dredge was restricted to the winter months to ensure the activity did not impact the salmon migration to the River Test.
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Source: ABP
