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Desalination Plant Provides Clean Water to Algeria

Stanley Consultants provided construction level detailing for the Hamma Seawater Desalination plant, and structural design for the large concrete water treatment process units and site design for support systems. 

Water is a precious commodity in Algeria and the Hamma Seawater Desalination plant is helping the North African country meet its water needs.  The seawater reverse-osmosis (RO) desalination plant is located on the Mediterranean Sea near the Port of Algiers.  With a population of 3.5 million in a country with only 3 percent arable land, water is a necessity for this semi-arid seaside city.

The 200,000 m³/day (53 mgd) plant is one of the largest public private partnerships in Africa, and the largest desalination plant on the African continent.  The $275 million build-own-operate project was a multi-party effort.

Stanley Consultants provided construction level detailing for the plant as well as structural design for the large concrete water treatment process units and site design for support systems.  This included clarifiers, dual media filters, product tank, outfall basin and all other concrete structures for which Algeria's geologically active nature required special consideration.  Site soil problems were overcome by using stone columns for all concrete structures and pipe supports.  Marine grade concrete was used in all structures that come in contact with soil.