Construction of new A71 motorway from Thuringia to Bavaria underway with twin-tube 7.9 km-long Rennsteig to be longest highway tunnel in Germany. Started in August, 1998 on 45 month schedule by jv of Ed Zublin, Wayss & Freytag and Bickhart-Bau using six Atlas Copco drillrigs in porphyr mixed with sandstone and quartz with a compressive strength of 150-200 Mpa. Hochwald tunnel 1 km-long being driven by jv of Heilit+Woerner and Jager, and 874 m-long Alte Burg by jv of Schachtbau Nordhausen and Leonhard Weiss. 3.1 km-long Berg Bock tunnel will be driven by jv of Walter Bau and Max Bogl. All tunnels use rockbolts, shotcrete and steel arches. Sept 1999. www.miningandconstruction.com
1.2 km-long Eichelberg will be fourth twin-tube tunnel to be built on the A71 Erfurt-Schweinfurt route. Cross-sections of 70-100 sq m in limestone using drill/blast with rockbolts, shotcrete, and steel arches. In design by Krebs & Kiefer, Heidelberg. Tender dates to be announced at http://ted.eur-op.eu.int October 2000.
Invitation to prequalify, deadline 13th August, 2001, for engineering design contract for 10.2 km-long motorway section with 3 km-long tunnel. Contact Deges, Berlin, fax +49 30202 43692. Visit http://ted.eur-op.eu.int and www.thuri.de 32/01.
Open tendering, deadline 28th November, 2001 to equip the 890 m Alte Burg tunnel with lighting, ventilation, loudspeakers and surveillance cameras. Visit http://ted.eur-op.eu.int, document S 204-139507, or contact Deges, Berlin, fax +49 30 20243790. Visit www.a71.de 44/01.
Award to Siemens Gebäudetechnik of technical equipment supply and installation in the 7.9 km Rennsteig tunnel on the A71 highway for DM72.5 million. Comprises lighting, ventilation, cameras, loudspeakers, and electric cables. 52/01.
Accelerated negotiated procedure, deadline 22nd July, 2002 for engineering services regarding the twin Eichelberg tunnel on highway A 71. West bore is 1,119 m-long and east bore is 1,099 m-long.Visit http://ted.eur-op.eu.int/udl?request=Seek-Deliver&language=en&docid=101141-2002, OJ S 129, or contact DEGES, Berlin, fax +49 3020243692. Visit www.a71.de 29/02.
Accelerated negotiated procedure, deadline 7th October, 2002 for engineering services for the construction of the Eichelberg tunnel on the A71 highway. West tube 1,119.5 m and east tube 1,099.5 m. Visit http://ted.eur-op.eu.int/udl?request=Seek-Deliver&language=en&docid=144649-2002, OJ S 183, or contact DEGES, Berlin, fax +49 3020243692. 39/02.
Open call for bids, deadline 29th October, 2002 for construction of the Eichelberg tunnel on the A71 highway. West tube 1,119.5 m and east tube 1,099.5 m. Visit http://ted.eur-op.eu.int/udl?request=Seek-Deliver&language=en&docid=148209-2002, OJ S 188, or contact DEGES, Berlin, fax +49 3020243790. 40/02.