Rehabilitation measure trough Karlstor.

A new road tunnel is currently being built on Kriegsstrasse and Ludwig-Erhard-Allee in Karlsruhe. This connects to an existing structure, the Karlstor ramp, to the west. The present tender deals with the renovation of this ramp.

The subject of this tender are the following partial services:

- Demolition of the existing trough head and the existing prefabricated curtain wall,

- Demolition of the road surface including edge caps,

- Repair of the trough bottom, the trough walls and the retaining walls,

- Repair of the drainage pipe with inliners,

- production of a new trough head,

- Production of a new road surface including sealing, middle and edge caps,

- Attaching new curtain-type prefabricated shells,

- Production of a concrete base for the fan partition including steel girders.