Vinyl retaining walls are affordable and durable, with a typical lifespan of 50 years. Vinyl is lightweight and works best for shorter walls. Gabion walls are made out of wire boxes filled with rocks.
FUNKWERK has secured a contract from Hamburger Hochbahn, the operator of Hamburg's U-Bahn network, to install its Alister SIL 2 electronic interlocking for depot control at the Barmbek depot.