Nowhere is the need for the embedment of an MSE wall more important than with walls that have their toes submerged in a river or other body of water. In these cases, it is standard to provide increased scour protection (from tidal, wave, ice and storm impacts) by increasing the depth of embedment and also to use coarse rock material commonly referred to as Rip-Rap. For submerged walls it is necessary for a hydraulic or geotechnical engineer specialized in scour protection to specify both the depth of embedment and the size and grading of the Rip-Rap. Many MSE walls have been successfully completed by RECO and in full service along rivers and water for several decades with the scour protection properly designed.

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