Perils of Point Lomaby John Prendergast, Managing Editor;
Serial Information: Civil Engineering—ASCE, 1992, Vol. 62, Issue 11, Pg. 62-65
Document Type: Feature article
Rupture of the Point Loma sewage outfall in San Diego on Feb. 2, 1992, sent 180 mgd of primary-treated sewage coursing into shallow waters off the city's coastline. The article describes the fast-track emergency repair to the pipeline, including the assembly of the project team; damage assessment; laying of the replacement pipe using a device called a horse; design of a special telescoping closure piece that allowed completion of the pipeline repair within a three-hour plant shutdown window, after which the system carried the full flow from the treatment plant; and rock stabilization of the repaired pipeline. The article also describes a project to construct a 12,500 ft extension to the existing pipeline that is believed to be the deepest ever built for a municipal public works, scheduled to begin in November for a March 1994 completion.
Subject Headings: Rehabilitation | Sewage | High-rise buildings | Shallow water | Shores | Emergency management | Water pipelines | North America | California | United States | San Diego
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