Come work at BT Geoconsult
We are a growing engineering firm and use our knowledge in the fields of geotechnical and construction to make the world a little more beautiful. Join us?
Welcome to BT Geoconsult, a dynamic and informal engineering firm situated in The Hague. With a team of about 45 experts, we provide practical advice for geotechnical and construction projects worldwide. We work towards keeping the Netherlands safe and dry through our projects in hydraulic engineering. We contribute to the energy transition through our specialism the field of cables and pipelines. We ensure improved mobility through geotechnical advice in infrastructure projects.
We do all this together, where hard work goes hand in hand with a pleasant and down-to-earth working atmosphere. Discover your possibilities at BT Geoconsult and apply to one of the job openings or send us an open application!
At BTG I work on projects where theoretic knowledge and practical implementation come together. By being involved in the realization of project in combination with the interactions with clients and executioners, our advice is of high quality. Next to this, there is nothing better than to witness the realization of your own design.
Aruna Ramkisoen
Geotechnical and constructive advisor
BT Geoconsult gives me the space I need to develop my skills in technical and non-technical fields. I, therefore, can grow as a person and engineer. Because of this, looking for solutions for challenging problems and enjoying my work go hand in hand.
Erik den Arend
Geotechnical and hydraulic advisor
At BT Geoconsult I learn everything that is needed to become a specialist in practice. All of my colleagues are experts in a certain field and you only have to walk through the office to learn something new.
Alice Ampolini
Assistent Projectleider
BT Geoconsult trusts in my skills as a project manager. I have quickly gotten a lot of responsibility here through which I have a steep learning curve.
Bart van Langevelde
Geotechnical engineer
What we are working on
Pressure Sewage Pipe - Volendam
In 2023/2024 near Volendam a new sewage pressure pipe is being installed. The piping system is future-proof and enables connections for new residential construction. The largest part of the piping (1000 mm in diameter) is being installed by means of horizontal directional drilling (HDD’s). BT Geoconsult made the final design, including the piping in both the implementation and operational phases. In addition, BT Geoconsult designed the construction pits for making the connections.
In this project I was involved as assistant project manager in the discussion with the client, the coordination within the project team and engineering of the piping. In this versatile role, my job was to ensure that the right drawings and calculations were delivered on time. The soft subsoil and presence of many objects in the soil makes it extra challenging to map out the optimal track and to make an implementable design. That makes it extra cool to then see this project executed.
Mark Willemse
Geotechnisch ingenieur
The different HDD’s are connected with each other under ground in this project. In order to achieve this, a construction pit had to be designed. I designed two of these construction pits. I haven’t been working long at BT Geoconsult and this was my first project. The very soft soil makes the design for the construction pit extra complex and challenging. After the design and all the calculations were delivered, I conducted my first project visit. I was impressed with the actual diameter of the HDD’s and it was educational and special to see how the implementation works.
Tijmen Hilgersom
Geotechnisch ingenieur
Reconstruction of the N241 and shifting PWN - Water pipe
The N241 runs through West-Friesland. This road no longer met the safety regulations for such a road. This is why the road was widened and other changes were made. Along the road lies a PWN-water transport pipeline. This had to be shifted. BT Geoconsult carried out the settlement and stability calculations for the road, the pipeline strength calculation and the drainage analysis for the pipeline. Various HDD-calculations, various foundations and sheet piling calculations were also necessary. Because of this, this was a versatile project that combined a lot of expertise within BT Geoconsult.
My role in this project was as project manager. The project was carried out in a construction team, that is to say the client and contractor carried it out together. It was important that I ensure that the geotechnical aspects were properly incorporated into the entire project. I had to keep a close eye on the interfaces between the road and the pipeline and with the environment and take care that the issues that arose could properly be elaborated on by the team into a workable geotechnical design.
Sebastiaan Maan
Geotechnical and hydraulic advisor
As project engineer, I was involved in this project in both the calculations for the widening of the road and the pipeline strength calculation for the construction of the drink water pipeline. It was very interesting to work on both aspects of the project. The results of the settlement and stability calculation have a direct impact on the drinking water supply. Through good coordination between both disciplines, we were able to make an optimal design. This was also one of my first pipeline projects and it was very educational to be able to make a significant contribution to such a large project. To see the work in progress was great and impressive.
Mark Willemse
Geotechnisch ingenieur
Markermeerdijken
In the national test round in 2006, the condition of the primary water barrier between Hoorn and Amsterdam was tested against the legal standard. This resulted in a rejection of 33,8km of the total 47 km of the route. De Dijken op Veen (DoV) method forms the basis of the large-scale reinforcement operation in an area with a very soft and poorly load-bearing subsoil.
BTGeoconsult is part of the site-engineering team and supports the Alliante Markermeerdijken by safely raising ground and at the same time guarantees the water safety and limits the risks for the surroundings.
By BT Geoconsult, I have built up a lot of experience with infra and dike projects in weak subsoils. That is necessary if you want to come prepared to such a project because the reality can sometimes be more unruly than predicted beforehand. That was defiantly the case here on the Markermeerdijken. What made the Makermeerdijken a special project, I found, was the application of the Dijken op Veen method (DoV). On the basis of additional soil investigation, we could see first-hand the increase in strength of the subsoil as a result of prestressing and the translation from theory to practice. The strengthening of the dike with this method is unique and therefore, also educational.
Remco Bakker
Geotechnisch adviseur
As the Site-Engineer I am mostly busy with the Dijken op Veen-method to be able to, for example, release the raised layers and demonstrate the strength of the subsoils. Because of this, the project is technically challenging and you have to stay alert to use the room between the design and the implication. Coordination with implementation and monitoring thereof is, therefore, just as important as the technical side of the work. Being able to switch tasks quickly and the versatility that the work of a Site-Engineer demands makes it educational and interesting work for me. For such a large project, the design is not the only factor that matters, but also the sand flows, for example, and so it must be possible to switch in the planning.
Marcel van Velzen
Geotechnisch ingenieur
WarmtelinQ
A water connection is being installed between Vlaardingen and The Hague to bring residual heat from the harbor in Rotterdam as an energy source in the region. BT Geoconsult has been involved starting with the VO phase up until the implementation giving geotechnical and constructive advice and design. A selection of our work: interpretation of soil surveys, management of project data in QGIS, uplift and buoyancy analysis of excavations, analyses of the influence of vibrations on buildings and pipes including the development of measures, settlements and stability analysis and design of intersections with existing infrastructures and checking of designs by third parties.
As project manager I was responsible in this project for the translation of questions from the client to a technical question that we could answer. The scope of work and the large quantity of separate questions made it quite challenging to keep an overview, prioritizing work and considering the impact of design choices on other parts of the work. It is nice to work on a project from the planning phases until the implementation and to see self-formed plans slowly being realized. Furthermore, I think it is great to contribute to a more beautiful, sustainable Netherlands with this project.
Bart van Langevelde
Geotechnical engineer
As geotechnical engineer my job was to keep track of the project information by collecting it in the QGIS (Geografisch Informatie Systeem) program and to make this accessible for everyone involved in WarmtelinQ. The more complex the project, the bigger and more fun the challenge is for us. Together with colleagues I explored the possibilities of QGIS in order to make the data more transparent and easily accessible. By combining different data like drawings, research, information from third parties, maps etc. the interfaces and bottlenecks for this project were determined. By setting up and managing all the project data, I have become more proficient in QGIS and was able to help the engineers to find project data fast and make trivial communication about the data easier.
Aida Dyrma
Geotechnisch ingenieur
Collision Protection OHIO – Limburg
In the Julianakanaal in Limburge a new propylene loading port was realized near Stein. BTGeoconsult has further developed the first plan into a complete implementation design on behalf of Van Den Biggelaar.
The collision protection serves to protect the loading place against a collision that would have serious consequences. In addition, a drainage facility and jetty have been created, whereby an important aspect is safety.
An important aspect in this project was a good understanding of the wishes of our client. Because time was limited, we had to look into which technical requests had to be solved swiftly and how we could allow the whole process to run smoothly. We kept the customer’s main objective in mind in the playing field of technical and procedural challenges which allowed this project to be implemented on time.
Sytse Alkema
Geotechnisch ingenieur en projectleider
As a design engineer, this project was very interesting for me because it combined the calculation of steal, concrete structures and different types of connections. What made it even more challenging was that the segments of the drainage facility (> 12m) were prefabricated, would be transported as a whole and assembled on location. Therefore, we tried to design the connection to the location as simple as possible. Another critical point was that the piles act as a system of cantilever columns and are very sensitive for horizontal forces because of this. It was, therefore, a challenge to design the construction to be stable and stiff enough that it could be used safely. It was great to work together with my colleagues (engineers and drafters) to look for the best constructive solution.
Diego de la Fuente Martin
Constructief ingenieur
A word from the owner
