Floating Silt Curtain Used at McGregor Lake Floating Silt Curtain Used in Dam Rehabilitation Owner: Alberta Transportaion Location: McGregor Lake, AB Material: 25' Deep Floating Silt Curtain A dam rehabilitation in southern Alberta specified the use of floating silt curtain to contain any sediment that would be released during construction. Layfield was awarded the job and proceeded to provide the standard curtains as per specifications. It was apparent after installation that due to the wave action present in the lake the standard steel chain ballast would be insufficient for this project. After consultation with the site engineer a new ballast system was developed and the site is now under containment. This project shows that more often than not standard designs for floating silt cur

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