D Ingenieure AG of Thusis secured the EUR362,268 contract for environmental monitoring during detailed design, competition and construction of safety tunnels for the Rofla (1,080 m), Barenburg (1,030 m), Viamala (755 m) and Crapteig (2,170 m) tunnels on N13. Contact USTRA, Bellinzona, e-mail acquistipubblici@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=154488-2013. 20/13.
