On Tuesday the 14th of May the LexCie organised the first lunch lecture of period 6. This time Huisman Traject was invited. Huisman Traject is a consultancy firm for groundwater management during construction project. This is important to know because of the large effects that mismanagement could have on for example the environment. Groundwater management can be done in various ways, for example by monitoring on site or active measurements during the project. Huisman Traject consults and is actively involved during the phases of different kind of construction project.