Monday, October 15, 2018
Plastic Buffer Basin in Belgium
It’s amazing what can be accomplished when a team of like-minded experts collaborate on a “first-of-its-kind” project. Wavin, alongside KRAH, Aquafin and PlaatserThermopol were commissioned by Besix Infra to produce and construct a huge buffer basin to collect and retain the rain water around the playground in the Villermontstraat — for the municipality of Kontich in Belgium. Made entirely of plastic pipes, the basin has the capacity to collect a massive 840,000 liters of water!
The challenge — rain water retention and collectionThe municipality of Kontich (in Belgium) needed a durable and dynamic solution to buffer the rain water around the playground in the Villermontstraat. The city needed a rainwater buffer to collect surplus water from the entire center area — to mitigate the challenge of heavy and long-term precipitation, so that excess rainwater can flow in a controlled manner to the water-sensitive area.
The solution — an example of how to future-proof a cityTwo words: plastic pipes. The municipality decided on a design concept to create a gigantic buffer basin, made out of plastic pipes. The water will be collected in plastic pipes with a diameter of 2.4 meters. They are laid out in a construction pit of 55 meters long, 18 meters wide and 5 meters deep. It is the first time in Belgium that a buffer basin with plastic pipes has ever been built! Together, the plastic tubes will have a total length of 200 meters.
Wavin and partners collaborate on construction of unique subterranean water basin in Belgium — made up of plastic pipes!
In the Netherlands, the system is already being applied in a few places with a positive result. The big advantage of this type of buffering is that the tubes are watertight. This is important to keep the groundwater up to standard. In addition, the pipes are accessible without any problems by maintenance workers and inspectionWillem Schrooyen , Account Manager/Wavin Belgium
The water of the basin will be released to the Edegemsebeek, which is at a distance of 600 meters. To release the water to the Edegemesebeek gradually and controlled, a dam was placed between the buffer basin and the stream, to prevent the Edegemsebeek from overflowing. According to Public Works manager, Willem Wevers, “"Next to the huge basin there are rain water retention solutions in multiple locations of the city centre — so excess water from the entire area can be collected, preventing water damage in the event of future heavy and prolonged rainfall periods. It’s a perfect example of future proofing the city by enabling controlled water release to the Edegemsebeek that is prone to flooding.”
The team of expertsA project is only good as the sum of its parts. And for this challenging project, the team was impeccable. Rudy Van den Boogaert, the senior project engineer for PlaatserThermopol has worked with Wavin for decades. His group was responsible for pre-installation — providing materials and calculations — whilst Wavin was in charge of the construction and installation. It was a very smooth project with excellent collaboration. The team was proud of the fact that all expected delivery times were perfectly met — thanks to an exemplary collaboration.
I think Wavin is the most dynamic player in the field. They’re able to make themselves highly visual in the market. Also, the quality of the products is outstanding and the team is just more passionate and driven. The brand’s reputation in Belgium is undisputed and that’s a result of years of dedicated work. They bring value to the field!Rudy Van den Boogaert , Sr. Project Engineer/ PlaatserThermopol
KRAH pipes, made from virgin PE100 materials, were the ones used for this project. Wavin has been collaborating with KRAH since 2014 and so we thought they would be the ideal supplier for this project. The requirement was for a 980m3 rainwater attenuation tank (ID2400) and the plastic pipes all needed welded connections.
Plastic pipes’ lifetime has already proven to be not less than 100 years, especially with pipes that are produced with only 100% virgin high end PE100 raw materials. Also, if you have electro fusion connections – this ensures that after the installation you have one big homogeneous unit and no risk of getting leakages from the connections (this happens quite often when the rubber seal connections has been used). Also with e-fusion You don't have the risk of tree roots growing into the pipeline (which happens quite often with concrete pipes).Rene Aguraiuja , Commercial Manager/Krah Pipes
Most importantly, the contractor for the project, Jeroen De Beleyr of Besix Infra, was happy with the results.
The logistics and technical implementation — together with all parties — were performed to everyone’s satisfaction. The construction of the basin is part of the full reconstruction of the Edegemsesteenweg. The work began in October of 2017 and should be concluded by September of 2018.
We asked Wavin for a full-service solution for this exceptional project -- from delivering the materials to welding the pipes -- all within a tight timeframe. The materials were of outstanding quality and the collaboration with all parties went smoothly. We are pleased with the results.Jeroen De Beleyr , Assistent Projectleider Wegen & Riolering bij BESIX Infra
And, yes, team work makes the dream work. We are happy to have been part of such a project and even more so, since it is the first of its kind in Belgium!
Want to know more?For more information on Wavin’s rainwater management solutions, check out our website. Better yet, follow us on Facebook, where we share the latest news on some of our most exciting projects.
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