México

ATOTONILCO WASTEWATER TREATMENT PLANT

Client

Consorcio Carso & ICA

Year

2012

Construction budget

USD 500 million

Key facts

Largest WWTP in the world. Treated flow of 35 m3/s. Beneficiary population: 10.5 million. Reuse of treated water for irrigation of 80,000 ha. 23 m3/s biological treatment train (TPC) and 12 m3/s additional chemical treatment train (TPQ). In addition, 50 buildings were designed including an office building and laboratory. The most outstanding structure is the 40 m-tall prestressed concrete digester tank. The plant includes a 230/23 kV outdoor high-voltage substation with 3 x 20 MVA transformers and 7 branch circuits.

Services

Civil works design including geotechnical site investigation.

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