Today, one of my colleagues and I had some business in the town of Dordrecht. We decided to go early and do the “flood walk” that was advertised on the municipality’s website. The walk takes you through the old city, to places that have some relation with water in general and flooding specifically. I found it surprising to see that many houses are built in such a way that they are ‘robust’ to flooding. Below are some pictures taken today.
A little difficult to see maybe, but this street leads up to the city's main levee, right in the middle of town. The levee is now a shopping street (called Voorstraat), making it difficult to raise its level.
The door to this design studio is at street level, but within the building you have to go up a ramp to reach "ground floor", about one or two metres up from the street level.
The 1953 flood caused the water to rise until MSL+3.73m. In this location, that was about 1.8 metres above street level. The flood caused overtopping of the main levee at Voorstraat.
Some houses -but far fewer than I had expected- are fitted with a frame for flood boards. When flooding is expected, the boards are installed, adding some 50cm or so extra protection.
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