Environmental Measures in the Construction of the San Pedro del Pinatar Marine Outfall

Collaboration in the preparation of the Technical Communication for the III Congress of Civil Engineering, Land and Environment (ICITEMA) on Water, Biodiversity and Engineering, held in Zaragoza, October 2006.

Summary: In November 2004, work commenced on the contract awarded to Acciona Infraestructuras for the construction of a marine outfall for the discharge of solution from the seawater desalination plant on the New Cartagena Canal in the municipality of San Pedro del Pinatar (Murcia).

It consists of a gravity discharge outfall, with nominal diameter of 1.400 mm and 5,109 m in length, built with reinforced concrete tubes along the first 315 m approx. and high-density polyethylene tubes along the rest, with three sub-sections of differing construction. The monitoring and control measures that guarantee respect for and protection of the environment affected by the activities planned during the works, starting with a series of specific measures staring from the detailed design DIA to which the Environmental Impact Assessment and a series of specific and complementary measures can be added to guarantee protection of the environment. Included among these measures is control of a meadow of Posidonia oceanica, ensuring that the discharge from the marine outfall is located a sufficient distance from same so as to ensure it is not affected. Furthermore, the execution of the works is limited by the nesting period of the species of the Las Salinas and Arenales de San Pedro Park.




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