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Engineering Design Guidelines Used for Rainey Audubon Wildlife Sanctuary Earthen Terraces

Rainey Audubon Wildlife Sanctuary Earthen Terraces. . . Project Area. Rainey Audubon Wildlife Sanctuary Earthen Terraces. Project Objectives. Reduce marsh bank erosion due to wave energy.Create fisheries habitat in the open water areas.Reduce velocities in the open water areas.. Project Features.

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Engineering Design Guidelines Used for Rainey Audubon Wildlife Sanctuary Earthen Terraces

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    1. Engineering Design Guidelines Used for Rainey Audubon Wildlife Sanctuary Earthen Terraces

    2. Rainey Audubon Wildlife Sanctuary Earthen Terraces

    3. Rainey Audubon Wildlife Sanctuary Earthen Terraces

    4. Project Objectives Reduce marsh bank erosion due to wave energy. Create fisheries habitat in the open water areas. Reduce velocities in the open water areas.

    5. Project Features Construct Earthen Terraces using in-situ material. Construct flat side slopes to aid in vegetation growth and wave energy dissipation. Estimated Construction Cost of $432,360

    6. Rainey Audubon Wildlife Sanctuary Earthen Terraces

    7. Rainey Audubon Wildlife Sanctuary Earthen Terraces

    8. Construction of Earthen Terraces

    9. Rainey Earthen Terrace Construction Sequence

    10. Construction of Earthen Terraces

    11. Construction of Earthen Terraces

    12. Recommended Engineering Design Guidelines for Earthen Terraces Conduct a subsurface investigation to obtain geotechnical engineering soil properties for design. This will help determine the final crest elevation based on settlement analyses results. Earthen terraces should be constructed using two construction lifts, roughly 7 days apart. The earthen terraces should be designed using the wind, wave, and water conditions at the desired project site. Flat side slopes will aide in the stability of the terrace. Depending on location, the terrace should be designed for overtopping during high water events.

    13. Recommended Engineering Design Guidelines for Earthen Terraces �Wish List� Quality construction inspection and record keeping will result in accurate documentation for evaluating the original design assumptions. This information may be used for future projects. Wave height instrumentation placed on both sides of the earthen terrace will enable the designer to quantify the design wave height, and the dampening effects of the vegetative cover during overtopping events. Earthen Terraces should be used cautiously for shoreline protection. The Engineer should coordinate with Scientists to achieve the desired project goals.

    14. Questions?

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