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Dry Ground for Mexico’s Capital: Half the Tunneling-Work is done
The drainage system of Mexcico City's metropolitan region is no longer sufficient to maintain an adequate water discharge, especially due to the increasingly unfavourable gradient of the Emisor Central wastewater tunnel, caused by the sinking process. To back up the old drainage system the construction of the Tunel Emisor Oriente (TEO), with a length of 62 km and an average diameter of 7 m began in 2008. The work schedule for the tunnel has a final completion date of June 2015.
