With the diversion of the Zuid-Willemsvaart at 's-Hertogenbosch there is a new waterway arose between the Maas and Den Dungen. There are two sluice complexes and six bridges built. In addition, four siphons and five pumping stations shall be built.
Martens produced and delivered the pumping stations. In addition, for each pumping station and siphon Martens delivered headwalls weighing up to 35 tons.
The pumping station on the River Aa consists of the following elements:
- Substructure: size 8200mm x 2600mm x 3600mm, weight 55 tons.
- Superstructures size 6300mm x 2600mm x 950mm, weight 12 tons.
- Headwall, weight 13 tons.