12 juli 2016
Commissioned by Max Bögl Nederland B.V. Kolen supplies all the tile work in favor of the new Spaarndammer tunnel in Amsterdam. The tunnel has a length of 800 meters is located next to the IJ, on the west side of the Central Station.

The tunnel would solve the traffic barrier between the Spaarndammer area and the new development plan area 'Houthavens'. On the roof of the tunnel, a park will be constructed as a green connection between the two neighborhoods. In mid-2017, the tunnel should be ready.