PDF《LZ01-370353-v3》

LZ01-370353-v3 Project data C raw construction Gotthard Base Tunnel Length, depth and distances Total length of tunnel system 151.

840 km Length of Gotthard Base Tunnel, north portal Erstfeld - south portal Bodio ? East tube ? West tube Total both tubes 57.104 km 57.017 km 114.121 km Crow flies: Portal north east C portal south east Portal north west C portal south west 55.782 km 55.704 km Length section Erstfeld (excl. cut and cover tunnel) East tube West tube of which - Cut-and-cover tunnel east tube - Cut-and-cover tunnel west tube - Underground east tube (conventional + TBM) - Underground west tube (conventional + TBM) 7.778 km 7.705 km 0.600 km 0.558 km 7.178 km 7.147 km Length section Amsteg East tube West tube 11.330 km 11.350 km Length access tunnel Amsteg 2.222 km Length section Sedrun (incl. MFS) East tube West tube 8.569 km 8.738 km Length access tunnel Sedrun

909 m Depth shaft I Sedrun

850 m Depth shaft II Sedrun

820 m AlpTransit Gotthard AG Seite

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9 Project data raw construction Gotthard Base Tunnel June

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2016 LZ01-370353-v3 Length section Faido (incl. MFS) East tube West tube 13.456 km 13.523 km Length access tunnel Faido 2.646 km Length section Bodio (excl. cut and cover tunnel) East tube West tube of which - Cut-and-cover tunnel and portal east tube - Cut-and-cover tunnel and portal west tube - Underground east tube (loose rock + TBM) - Underground west tube (loose rock and + TBM) 15.971 km 15.702 km 0.423 km 0.419 km 15.548 km 15.283 km Length bypass tunnel Bodio 1.336 km Length muck transportation tunnel Bodio C Buzza di Biasca 3.162 km AlpTransit Gotthard AG Seite

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9 Project data raw construction Gotthard Base Tunnel June

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2016 LZ01-370353-v3 Drive length total system 151.840 km (100 %) Conventional drive (only the tubes)

20 % Drive by tunnel boring machine (only the tubes)

80 % Conventional drive 54.701 km (=36 %) Excavation by blasting (conventional drive) (Sedrun section, cross passages, access tunnels, etc.) 66.311 km = 43.7 % Excavation diameter in tunnel section with drive by blasting (single-track tunnels only) 8.80 tos 13.08 m Excavated cross section in the tunnel sections with conventional drive (incl. MFS)

60 to

250 m2 Daily advance rate with conventional drive (single-track tubes only) Blasting length Average advance rate in favourable rock conditions Average advance rate in unfavourable rock conditions Max. advance rate, 20.10.2004, single-track tube Sedrun South East 0.8 to

4 m 3.0 to 4.5 m/wd Approx. 1.0 m/wd 11.5 m/wdy Quantity of explosive per blast (liquid explosive) Up to

400 kg Depth of blasting holes Up to

4 m Number of drilled holes per blast Up to

250 holes Excavated volume per blast Up to

250 m3 Explosive type Pumpable emulsion explosive, e.g. Emulga AlpTransit Gotthard AG Seite

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9 Project data raw construction Gotthard Base Tunnel June

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2016 LZ01-370353-v3 Drive by tunnel boring machine (TBM) 97.139 km (64 %) Main sections excavated with TBM ? Erstfeld east ? Erstfeld west ? Amsteg east ? Amsteg west ? Faido east ? Faido west ? Bodio east ? Bodio west Total main sections ? East tube ? West tube Auxiliary structures ? Piora exploration bore ? Bodio spoil tunnel ? Amsteg cable tunnel Shafts ? Shaft II, Sedrun ? Sedrun, ventilation shaft 7.151 km 7.118 km 10.723 km 10.703 km 11.134 km 11.086 km 13.450 km 14.113 km 85.477 km = 74.9 % 42.458 km 43.019 km 5.540 km 3.162 km 1.884 km 0.820 km 0.255 km AlpTransit Gotthard AG Seite

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9 Project data raw construction Gotthard Base Tunnel June