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Technical Building Tunnel A40 Bochum

Subsequent sealing of cables and ducts with the aid of split flange plates and split cable and pipe sealings

Gas- and watertight sealing of existing as well as newly to be installed cables and corrugated ducts

Safety relevant rehabilitation work at the existing lighting and LED activation control of variable message sign in the tunnel at the A40 in Bochum.
Rehabilitation and structural alteration measures at the illumination system at the technical building as well as retrofitting of the existing safety systems required a multitude of new cables and control lines. These had to be inserted reliable and watertight. The existing cables and ducts had to remain in operating state during the installation. Beside the existing lines new control lines and corrugated ducts were installed. The existing cables and ducts were integrated in the new HRD sealing system. The flange plates we re installed on the rectangular opening (770 x 410 mm).