Type of work: Study for the integral use of the Negro river. Stages I and II.
Stage I: Study at the inventory level to establish the possible alternatives for the use of the Negro River (1000 m³ / s), from the confluence of the Limay and Neuquén rivers to their mouth in the Atlantic Ocean (650 km in length). Eleven closures composed of a frontal embankment and a lateral closure of about 20 km each were studied to avoid flooding of irrigated areas. The height was variable between 12 and 25 m, with an alternative of an excavated channel. The powers, by use, varied between 200 MW and 330 MW, the total energy that could be generated was about 15,000 GWh / year. An analysis of the electricity market was carried out. The following works were carried out: a) Compilation and analysis of the Available Information. b) Determination of the population. c) Study of the endowments. d) Calculation of design flows for drinking water, and evacuation of residual liquids. e) Environmental studies. f) Edaphological studies of future irrigated areas to be irrigated in the river valley (400,000 ha) and in plateau areas (1,600,000 ha). g) Agroeconomic studies.
Stage II: Pre-feasibility studies of an area of approximately 100,000 ha. Water supply to populations and industries. Development of irrigation, drainage and land reclamation. Fruit and vegetable production. Links and land transport. Fruit and vegetable production. Hydroelectric production. Navigation and river transport. Control of floods, erosions, protection of margins and alluvium. Ecological and natural resource preservation. Tourism and recreation. Hydroelectric works on the Negro River included the Allen, Roca, Mainque and Villa Regina closures. The Senillosa and Plottier closures were included in the Limay river. The closures were composed of a frontal embankment and a lateral embankment of about 20 km long, each. The height varies between 12 and 20 m, with the alternative of an excavated channel, while the powers, by use, are in the order of 200 to 300 MW.