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San Diego Regional Beach Sand Project

San Diego Regional Beach Sand Project

San Diego County, CA

During the spring and summer of 2001, 2.1 million cubic yards of sand size sediments were dredged from six identified offshore borrow sites for nourishment of twelve selected receiver beach sites between Oceanside and Imperial Beach within San Diego County. This project, known as the San Diego Beach Sand Project, was the first regional beach restoration project undertaken on the West Coast of the United States. It was eight years in the planning, funding, engineering, permit processing and final design phases prior to the initiation of construction in early April 2001, with its completion in late September 2001. The Shoreline Preservation Committee of the San Diego Association of Governments (SANDAG), a joint powers organization, oversaw the planning and administration of this successful project that received funding from federal, state, and local government sources. Dredging and filling was performed by a trailing suction hopper dredge which utilized six ocean borrow sites and traveled to the individual twelve receiver beaches stretching between Oceanside and Imperial Beach. At the receiver beach, the dredge attached to a moored floating section of plastic/rubber pipeline that was attached to a submerged steel pipeline extending from approximately the -25 ft. MLLW depth contour to the shoreline. The six offshore borrow sites were dispersed from near the Mexico border to the north San Diego County line, and were located roughly one mile offshore in 45 to 90 feet of water depth.


NCI prepared all the final design and preparation of construction plans, specifications and contract documents for the dredging of sands from the six offshore borrow sites and the pumping of this sand to the twelve receiver beach sites. The project’s design and contract documents allowed for the 2,100,000 cubic yards of dredging to be performed by using either cutter suction dredge and/or hopper dredge equipment. NCI’s work also included overseeing construction bidding, award of contract, full-time construction management and inspection, and all hydrographic, aerial, and land side surveying for design and for construction. NCI also performed additionally required offshore marine geophysical survey work and offshore vibracoring/sediment analysis work at the offshore borrow sites.



San Diego Regional Beach Sand Project San Diego Regional Beach Sand Project

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