Herrenknecht threesome for Mexico CityHerrenknecht is providing three EPBs for the Mexico City Eastern Wastewater Tunnel, which will have a total length of 60 km at depths of up to 200 m. The first EPB, an 8.7 m-diameter machine, has just been accepted by contractor ICA at the Schwanau plant where it was built. Read the full press release. For more information contact Achim Kuehn, tel +49 7824 302-540, pr@herrenknecht.com. 08/09. Alonso Quintana of ICA, Dr Martin Herrenknecht of Herrenknecht AG, and Jose Luis Luege Tamago of CONAGUA signing the acceptance protocol for the Mexico City EPB.