Drainage Technology

Technical Improvements make
the Pfaffenstein Tunnel safer

In 2015, technical safety was improved in the Pfaffenstein Tunnel in Bavaria at a cost of around eight million euros Quelle/credit: ACO Tiefbau Vertrieb GmbH
In 2015, technical safety was improved in the Pfaffenstein Tunnel in Bavaria at a cost of around eight million euros
Quelle/credit: ACO Tiefbau Vertrieb GmbH
The new drainage system in the Pfaffenstein Tunnel consists of drainage channels and baffle shafts made by ACO. Should an accident occur in the tunnel that involves the discharge of combustible and hazardous liquids, these can be collected and transferred to a closed system Quelle/credit (2): ACO Tiefbau Vertrieb GmbH
The new drainage system in the Pfaffenstein Tunnel consists of drainage channels and baffle shafts made by ACO. Should an accident occur in the tunnel that involves the discharge of combustible and hazardous liquids, these can be collected and transferred to a closed system
Quelle/credit (2): ACO Tiefbau Vertrieb GmbH
The removable baffle prevents fire from spreading to the closed tunnel drainage system in the event of an accident Quelle/credit: ACO Tiefbau Vertrieb GmbH
The removable baffle prevents fire from spreading to the closed tunnel drainage system in the event of an accident
Quelle/credit: ACO Tiefbau Vertrieb GmbH

The A 93 federal motorway is 270 km long and passes through Bavaria from Hof in the north to Kiefersfeldern on the border with Austria. The roughly 840 m long Pfaffenstein Tunnel in Regensburg is one of the points along the route most prone to tailbacks. The Pfaffenstein Tunnel was retrofitted as from April 2015 to ensure it complies with safety technical requirements for tunnels.

Special requirements concerning the infrastructure and installations have to be taken into consideration at the planning stage of a tunnel upgrade. Avoiding critical incidents as far as possible is an essential...

Find out more in

tunnel 01/2016

Find out more in

tunnel 01/2016

Ressort:  Sanierung | Redevelopment
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