Beach Town Cleanup

by Richard D. Walloch, P.E., Proj. Mgr.; Unocal Corp., San Luis Obispo, CA,
Andrew A. Kerr, Proj. Mgr.; Jacobs Engrg. Group, Inc., Long Beach, CA,
Arrie Bachrach, Proj. Ombudsmen; Jacobs Engrg. Group, Inc., Long Beach, CA,


Serial Information: Civil Engineering—ASCE, 2000, Vol. 70, Issue 12, Pg. 62-65


Document Type: Feature article

Abstract:

The Avila Beach remediation project in California required the demolition of numerous structures and part of the beach in order to remove more than 200,000 cu yd (153,000 m�) of contaminated soil. The cause of the contamination was traced to leaking underground petroleum pipelines that ran beneath the downtown business district and out to pier where tankers were loaded. The cleanup required a train construction approach for each of the six cells that were remediated. Before the contaminated soil could be excavated, however, a steel sheetpile wall was installed to seal the site from the affects of the ocean. Once the contaminated soil was removed, clean overburden and imported soil was used to rebuild the beach, and new infrastructure, including streets and parks and underground utilities, was constructed in the downtown area.

Subject Headings: Soil pollution | Coastal management | Business districts | Beaches | Subsurface utilities | Pipe leakage | Mitigation and remediation

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