Bauer has announced that it has completed a second phase of remediation on the Herbert Hoover Dike in Florida, US for the US Army Corps of Engineers.
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This latest phase of work started in June and involved using cutter soil mixing (CSM), which combines diaphragm wall cutter technology and mixed-in-place methods. The work involved installation of 83 CSM panels to a depth of 22m to create a cut off for a section of the 225km long dike that surrounds Lake Okeechobee.
Bauer also undertook phase one of the current work in 2016 but the company has been involved in the remedial works at the site since 2007 when work started to protect the dike from storm surges and floods. Concern over the impact of flooding on the shallow lake, which has an average depth of 3m, led to dike expansion in the 1920s but more recent assessment has led to the current programme of work.
Bauer worked with the US Army Corps of Engineers to develop the CSM technique for the site and has now been awarded contracts to undertake repairs that will run until 2021.