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*personal refrences by Mr. Dipl.-HTL-Ing. Bernhard Höpperger
Train Tunnel
India - New BG Line Railway
Project 13 km
Subway
Austria - Wiener Linien U2
Stationen Pilgramgasse, Matzleindorfer
Platz, Rathaus, Reinprechtsdorferstraße,
Neubaugasse
Austria - Wiener Linien U5
Stationen Frankhplatz, Rathaus,
Volkstheater, Karlsplatz,
Museumsquartier
Road Tunnel
Austria - Arlbergtunnel 14,5 km
Austria - Gleinalmtunnel 8,3 km
Egypt - Ismailia Phase I 4,7 km
Germany - Engelbergtunnel 2,3 km
USA - SR710 North Study 4,9 mi (~7.8 km)*
Poland - Tunnel Drogowy 2,3 km
Sweden - Marieholmstunnel 500 m
Thermo- and Fluid Dynamics Consulting Engnineer e.U., Dipl.-HTL-Ing. Bernhard Hoepperger, Landesgericht Klagenfurt FN 436834 d, UID ATU 69706918
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