Construction Gotthard Base Tunnel

gotthard base tunnel diagram, new railway link through alps nrla (green: → excavation direction).



allocation of work

aerial view of erstfeld area (north portal) in 2009

the contracts awarded in sections:

erstfeld (the 7.7 km (4.8 mi) section erstfeld amsteg), 2 tunnel boring machines (tbm) boring 2 tubes. break-through of east tube between erstfeld , amsteg took place on 15 june 2009. portal area surface-mined.
amsteg (the 11.3 km (7.0 mi) section amsteg north of sedrun), arge agn (strabag , züblin murer) received contract work in sector. on 9 december 2009, amsteg section officially delivered owner fitting-out, civil engineering, construction, concrete , lining work completed in 2010.
sedrun (the 8.6 km (5.3 mi) east tube , 8.7 km (5.4 mi) west tube in section north , south of sedrun), along work performed transco (bilfinger se, implenia, frutiger , impresa pizzarotti). final breakthrough in west tube occurred in march 2011. northbound tubes amsteg sedrun multifunction station (north) handed on railway systems contractor transtec gotthard on 15 september 2011, date specified in construction schedule.
faido (13.4 km (8.3 mi) east tube , 13.6 km (8.5 mi) west tube in section south of sedrun faido), consorzio tat (alpine mayreder bau, csc impresa costruzioni, hochtief , implenia , impregilo).
bodio (15.9 km (9.9 mi) east tube , 15.6 km (9.7 mi) west tube in section faido bodio), work performed consorzio tat (alpine mayreder bau, csc impresa costruzioni, hochtief, implenia , impregilo). civil engineering construction, concrete , lining works completed in 2010.

deaths during construction

nine workers lost lives during construction; 1 in amsteg section, 2 in sedrun section, , 3 each in southernmost faido , bodio sections. these were:

on 8 june 2000, worker germany, first victim of tunnel construction, hit boring bar fell down 700 m.
on 12 march 2002, worker south africa buried excavation material.
on 3 april 2003, worker germany hit rock.
on 11 september 2003, worker austria killed being crushed toppling cable drum.
on 21 january 2005, worker italy , switzerland hit colliding mine train.
on 23 november 2006, worker germany crushed death mine train.
on 24 june 2010, worker germany catapulted out of inspection train.
on 16 july 2012, worker italy fell scaffold.




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^ cite error: named reference malins invoked never defined (see page).
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^ installation of railway systems in north has begun . lucerne, switzerland: alptransit gotthard ag. 2 september 2011. retrieved 12 november 2011. 
^ st. barbara celebration 2012 (in german). consorzio tat. archived original on 13 september 2012. retrieved 11 april 2013. 
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