Hans in the trench, installing the rail, which is hung each 3 m from the reinforcement beams between the panels. The wheels sitting atop the reinforcement beams allow thermal expansion of the rail, which is bolted together at the joints and therefore acts as one long rail. The thermal expansion between winter and summer of the whole rail is expected to be roughly 60 cm. Zoom Image
Hans in the trench, installing the rail, which is hung each 3 m from the reinforcement beams between the panels. The wheels sitting atop the
reinforcement beams allow thermal expansion of the rail, which is bolted together at the joints and therefore acts as one long rail. The thermal
expansion between winter and summer of the whole rail is expected to be roughly 60 cm. [less]
Hans and Benno working in the trench. Zoom Image
Hans and Benno working in the trench.
READY! You can see a part of the roof that will cover the trench. Attached to the rail you can see the trolley for pushing the tube out of the end house. The black wheel connected to the trolleytakes the rope where the tube will rest in. That way the whole tube can be rotated around it's axis. In the trench on the right hand side you see the power supply cable running to the central station. Zoom Image
READY! You can see a part of the roof that will cover the trench. Attached to the rail you can see the trolley for pushing the tube out of the end house. The black wheel connected to the trolley
takes the rope where the tube will rest in. That way the whole tube can be rotated around it's axis. In the trench on the right hand side you see the power supply cable running to the central station. [less]
And now it's ...  (from left to right: Benno, Michael, Hans, Andreas (back), Mathias, Mia, Jeannie) Zoom Image
And now it's ...

(from left to right: Benno, Michael, Hans, Andreas (back), Mathias, Mia, Jeannie)
... teatime.  (from left to right: Mathias, Michaela, Michael, Andreas, Hans, Benno) Zoom Image
... teatime.

(from left to right: Mathias, Michaela, Michael, Andreas, Hans, Benno)
 
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