Projects Over the years we have carried out many projects in the outlying area, urban area and in the industrial area. On this page we show several. Click on the image for more information! Uithoorn: clean-up chemical sludge Groningen: clean-up excavation pit Brussels: 8000 m³ foundation piles Middelburg: Boskalis and Promeco Leiden: settling of sludge in ship IJmuiden: removing layer of lime Leiden: flocculating drilling fluid Oss: excavation pit dock Veere: advice – implementation Kruisven: storage area embankments Rijksmuseum: clean-up of cofferdam Jisperveld: making work with work Wormerveer: polluted location Oostknollendam: Dredge spoil buffer Den Bosch: clean-up of cofferdam Nuremberg: our knowledge lab Kruisbesweg: underground storage