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Gravelly Point Boat Ramp, McLean, Virginia

This project involved the reconstruction and upgrade of a boat ramp where the ends of the ramps were severely undercut due to prop wash from boats launching and retrieving, resulting from shallow and sub-standard depth at low tide. In addition, the banks around the ramp were severely eroding. After a site visit and verification of existing conditions, a topographic and hydrographic survey was performed. The design of the ramp and dock considered various factors including uplifting of the timber piles due to ice action, selection of a slope to minimize siltation, and conformance with ADA requirements. The slopes around the dock were stabilized by installing graded rip-rap over a gravel course. The rip-rap was designed to withstand tidal waves that may develop. In addition to the actual dock and ramp design, site improvements were proposed to include adequate turn around areas for towing vehicles and trailers, improvement to the existing access road, and adequate lighting.

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