Bridge Drainage :: Isarstraße Freising

Isarstraße

Freising

Isarstraße Freising - Germany

Features of this project:

900 meter Bridge Drainage 350mm wide unit
Removal of old gullies and pipes that had rusted out of the bridge deck.
Rainwater leaves the road surface directly and runs into the 350mm wide drainage band of the bridge deck.
Prevents aquaplaning: 25X more efficient drainage due to continuous drainage line.
easy maintenance from the road surface through the inspection units every 50 meters.
350mmm of space was saved by integrating drainage into the pedestrian section and there are no more cast iron gullies or pipes in the bridge deck.
Lightweight units provide cost savings during installation and also weight savings on the bridge deck

Project background:

Together with Ilp2, preparation of the design already started in 2018. Also, our 335mm wide drainage over 120 meters was already installed on the Amperbrücke in 2018 to gain experience for this 7x larger Luitpold bridge in Freising.

Another innovation was also integrated into this project; dry weather drainage. A 15mm high rib in the center of our 350mm wide unit ensures that during light rainstorms sufficient flow velocity creates the drainage system. During heavier rainstorms, the precipitated sediment can be flushed out of the units at an accelerated rate and reach the sand trap units on the abutment

In the region around Munich, 6 projects have now been realized with our drainage solution. The clients the city of Regenburg, Freising , Munich and Autobahn GMBH are very satisfied with the application of the Bridge drainage Kerb solution!