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Dublin Hollow Design

A representative profile of the Dublin Hollow site is shown in the figure below with the design specifications. In order to achieve the desired slope and minimize land loss, fill dirt will be brought in. Additionally, a 3:2 cut slope was added above the revetment design to help stabilize the slope and allow for potential seeding in the future. The geotextile is then laid on the earth from the rock toe key up to the upper elevation to prevent seepage. The rock toe key depth will be two times the D50, making it 2 feet deep. The revetment rock is then laid on top of the geotextile to create a rock layer that will protrude two feet out. 

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The design covers 475 feet of the shoreline, as seen in the figure to the right. Also featured are the bank keys at the ends of the design. These are used to stabilize the revetment at its ends & goes 8 feet back into the shoreline. The economic analysis can be found here.

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