Photo Album 07: Amsteg 002

Created: 25 December 2011

Selection of Pictures by Alfred MOERGELI, Lot 252, Tunnel Amsteg, AlpTransit Construction, Gotthard Base Tunnel (GBT), Switzerland, May 4, 2004.

Specifically presenting
– Various TBM excavation and rock support activities
– Concrete for the invert
– Excavation of a Cross Cut
– Mastering the Intschi Fault Zone with steel beams, heavy reinforcement and shotcrete immediately behind the TBM’s cutterhead (the so called “L1 Zone”).

Please see our respective conference contributions for RETC 2005
Paper: Download Document No. 31
Presentation: Download Document No. 32
and more of our Download documents as well – thank you.

Working for and at the Gotthard Base Tunnel from 1999 until 2014, we supported all major contractors at Sedrun, Amsteg, Bodio and Faido,  including the Total Services Contractor for installing and commissioning the high-speed railway systems, for all required Safety Management Systems (SMS), Risk Assessments (RA), Conformity Assessments (CA) and CE Markings (CEM) of all Tunnel Boring Machines (TBM’s) and other critical equipment, project-specific audits,
Process/Safety Reviews (PSR’s) and many other second level support tasks.

The biggest thanks goes to all crews on site,
safely managing the unforeseeable (= Risk Management in Action) in high risk environments as their daily routine. 
Many of them moving into places every day where no human being has ever been before. Therefore, always …
“That’s one small step for (a) man, one giant leap for mankind”
(Neil Armstrong, 2:56 UTC on July 21, 1969 – First person to walk on the Moon).