Construction of a two-lane tunnel with escape galleries to provide a direct route through the town of Schwäbisch Gmünd without the inconvenience of traffic lights at crossings, etc.
- Company Baresel
- Company Hinteregger+Söhne Bauges. mbH
- Company Züblin
- Company Ostu-Stettin
Tunnel advance using tunnel boring methods; advance on a downhill gradient at some points; incursion of ground and fissure water to be expected; tunnel bore to pass under the River Rems. High mud content due to soluble mudstone, high risk of abrasion due to quartz content of the sandstone.
Approximately 30 KTZ and KTV pumps with motor ratings up to 7.5 kW are being employed. These pumps are sturdy, requiring little maintenance; if any additional ones are required these can be supplied immediately on call-off at any time.