COMPLETED PROJECTS ERFA İNŞAAT ARGE BUNTE HEIDKAMP S21 Tunnel Denkendorf (offene Bauweise) PROJECT NAME: Bunte S21 Tunnel Denkendorf -Acik tunnel PLACE: Denkendorf -Germany TOTAL TONS: 6.980,00 to EMPLOYER: RAT Ruhl GmbH DATE: 01.02.2017 – 30.04.2018