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Dimensioning is always precision work, but on the Maasvlakte it takes on an extra dimension. Where wind, salt and sand constantly influence materials and processes, precision becomes not only a requirement, but a daily challenge. In this special environment, BasePoint is taking care of the dimensions of the road infrastructure on and around the new Prinses Alexia Viaduct for BAM Infra Nederland.
“At the beginning of last year, we were approached by BAM, a party we have worked closely with for a long time,” begins Stefan Louwerse, dimensions manager at BasePoint. “They were looking for an experienced infrastructure contractor who could work two days a week on the construction of the Princess Alexia Viaduct on the Maasvlakte. It quickly became apparent that those two days a week could add up considerably during busy periods. Our strength is flexibility, and we put that to daily use here: when there are asphalt works or important phasing activities, we switch up effortlessly.”
Our involvement revolves around control dimensions for BAM, Louwerse continues. “The civil part of the viaduct falls under a different party, but in practice all disciplines have a lot to do with each other. Our work ranges from control measurements to revision measurements, both above and below ground. We check pipework, pavements and the entire structure of the roads. We verify that everything is actually installed as per model. We also provide all the control lines for asphalt, using a second robotic plotter since six months, good for huge time savings.”
The Maasvlakte itself provides an extra layer of challenge. “Working ‘in the middle of the sea,’ as it's safe to call it, means strong winds, ‘salty rain,’ and continuously flying sand,” Louwerse knows from experience. “The equipment, from prisms to fixed points, has to be cleaned weekly. In addition, the logistics require a lot of attention: getting from one side of the project to the other is a drive of at least 20 minutes. What makes this project extra special is that really all aspects of infrastructure measurement come together: machine control, revision measurements, staking out, temporary phasing and asphalt lines all the way to the final marking prior to the ribbon cutting. And sometimes this work also takes place at night, when traffic phasing is converted.’
When asked what makes BasePoint different on this project, Louwerse answers, “Flexibility combined with craftsmanship. When we have to, we are there. We love our job, work through when needed and make sure the work is right. Down to the millimeter.”
