Dams and power plants

Santa Maria Dam

Ayesa carried out basic supplementary studies (topographical, geological and geotechnical) and drafted the final design for the Santa María storage dam on the Baluarte River, in the municipality of El Rosario, located in the state of Sinaloa.

Objectives of the project:

  • To irrigate 24,250 ha of land located on both sides of the Baluarte River.
  • To supply water in bulk with a flow of 2 m3/s for public-urban use in the municipalities of Rosario and Escuinapa, which also included the tourist development: The Integrally Planned Centre (the Pacific CIP), an initiative by FONATUR (the Mexican National Fund for Tourism Development).
  • To generate 231 GWh/year of electrical power, contingent upon irrigation and the demand for drinking water.
  • Flood control

Unique features:

  • A rockfill curtain with a concrete face measuring 120 m high above the riverbed (152 m from the foundation).
  • A double excess flow spillway in the form of a Mexican fan (total design flow: 16,795 m3/s)
  • Work to divert the river by means of 3 16-metre diameter circular tunnels on its left bank (total design flow: 8.825 m3/s)
  • Scour outlets and headwork, making use of two tunnels from the diversion work.
Location
Mexico

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