Development of Long Beach Downtown Marinaby John M. Nichol, Moffatt & Nichol Engineers, Long Beach, United States,
Walter E. Hurtienne, Moffatt & Nichol Engineers, Long Beach, United States,
Abstract: This paper describes the planning and construction of the new Alamitos Bay Marina just offshore of Long Beach's downtown shoreline. From an engineering standpoint the construction site had some challenges stemming from the fact that it is located directly in the mouth of the Los Angeles river, which suffers from a normally very low continuous stream flow and the highly polluted nature of this flow. The general planning concept was to take advantage of an existing oil production island and construct a westerly mole to shelter the basin from waves and river flows as well as providing an area for parking and visitor-serving commercial activities. The eastern portion of the marina basin was to be sheltered by a shore-linked jetty.
Subject Headings: Ports and harbors | Beaches | Business districts | Offshore construction | Streamflow | Basins | River flow | North America | California | United States | Los Angeles
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