Specifications include, but are not limited to: Beach and Dune restoration along ~6,000 lf of beach at Isle of Palms totaling up to 50,000 cy of sand. Up to 20,000 cy of sand will be used to construct a dune between 2nd and 10th Avenues of Ocean Blvd, with the dune elevation typically 6 ft above grade and 15 ft in crest width. Sand shall be excavated from the intertidal beach within the project area following placement from a federal beach nourishment project occurring concurrently under a separate contract. Work may be restricted around high-tide. Only sand placed by the federal contractor shall be used for excavation and construction. Remaining sand volumes up to the project total of 50,000 cy shall be placed in a dune and dry sand beach south of 2 nd Avenue. Dune shall be placed adjacent to the existing escarpment, and a dry sand berm constructed at an elevation of +6 ft NAVD constructed seaward of the dune. Contractor may use the beach access adjacent to the Breach Inlet Bridge and/or 9th Ave for ingress and egress, provided that it does not interfere with the federal project’s use of the access. Equipment may be stored on the beach or in the Breach Inlet parking area. Contractor will be required to work with local sea-turtle organizations to ensure protection of sea-turtles, including daily patrols through the project area prior to work commencing any day. Night time work will only be allowed if contractor supplies qualified sea-turtle monitors to continuously monitor the work site during night-time operations. Contractor shall work with federal contractor to facilitate construction access and staging. Work shall commence within 30 days of sand placement activities beginning by the federal contractor, and shall be completed within 60 days from commencement.
