Employer
Staatliches Bauamt Weilheim
Designer
Ingenieurbüro EDR GmbH
ILF Beratende Ingenieure ZT GmbH
Time of Completion
2011 - 2013
Execution of the Work
Arbeitsgemeinschaft EKS Kramertunnel
Consortium Partners
Marti Tunnelbau AG, CH-3302 Moosseedorf
Marti GmbH, AT-8010 Graz
Marti GmbH Deutschland, DE-70567 Stuttgart
Lead Company and Technical Lead
Marti GmbH, AT-8010 Graz
Commercial Lead
Marti GmbH Deutschland, DE-70567 Stuttgart
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Scope of the Works
Realignment western of Garmisch-Partenkirchen Lot Kramertunnel – Prospection galleryAward Nr B050413-04A (negotiated procedure)
- Crossing of the Kramer massive western of the locality of Garmisch-Partenkirchen
- Construction of the 3.7 km long prospection gallery
- Preparation works to the adjacent road network
- Geological investigation
Activities
- Conventional drill & blast excavation from both portals (28 - 42 m2)
- Mechanical excavation limited to geological fault zones (Kramer overlap) and southern portal area
- Construction of escape passages with local cross-section expansions (45 - 71 m2)
- Cavity protection with armed shotcrete, anchors, spikes and beams
- Pipe screen execution in soft ground at the south portal
- Exploration program (geological prospection drilling starting from the gallery, borehole measurements, geophysical well logs, laboratory tests etc.)
- Horizontal directional drilling (HDD drilling) under the landslide area L = 362 m, radius of up to 341 m, Ø 400 mm pressure pipe
- Earthworks and roadwork, road realignment, road accesses
Contact
Marti AS
Karenslyst allé 4b
0278 Oslo
Tel. +47 23 12 06 55
Fax +47 23 12 05 10
info@marti-norge.no
