DR. SPANG

INGENIEURGESELLSCHAFT FÜR BAUWESEN, GEOLOGIE UND UMWELTTECHNIK MBH

DEVELOPER Deutsche Bahn AG, Frankfurt

PROJECT Renewal of the Rieneck and Ruppertsberg tunnels

Renewal of the Ruppertsberg tunnel including support

walls immediately before and after the Ruppertsberg tunnel

on DB section 3825 from Flieden Hbf to Gemünden in

accordance with regulations currently in force

Renewal of the Rieneck tunnel

A new tunnel built parallel to the Rieneck tunnel is under

consideration

OUR SERVICES Subsoil evaluation and foundation works consulting

Invitation to tender and monitoring of all laboratory and

field tests

Geological and geotechnical expert reports

Tunnel engineering expert reports

Geotechnical consultancy