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Bank Stabilization in Livingston Parish Neighborhood


The Gray’s Creek neighborhood is located in Denham Springs, LA and features a community pond for residents to enjoy. Due to mid-stream drainage improvements in the area, water velocity to this pond increased and cause some bank instability. Premier Geotech and Testing was hired to stabilize the existing creek cut bank. Premier drilled and sampled several soil borings situated along the top of bank and performed extensive laboratory testing on the subsurface soils obtained in order to provide valuable data for our engineering staff. We were tasked with evaluating the physical characteristics of the subsurface soil in order to perform slope stability analysis for mean, low and high-water conditions as well as a rapid draw down condition. Premier’s engineering team evaluated several solutions and provided recommendations for armament techniques using traditional rip rap, geotextiles with soil pinning, and also provided design parameters for a driven sheet pile wall.