Test site Werder (Germany) shows successful infiltration

In addition to several test sites in the Netherlands, a test site was installed in Werder, northeastern Germany by Hölscher Wasserbau GmbH. The test arrangement consists of 8 hw-dsi-infiltration units with total depth up to 25.0 m below ground level. On the test site, rain water is collected on a flat roof next to the […]

Continue reading

Aerfit Lithuania

A trial was conducted with FHVI in Lithuania in 2023. At the Domeikava Library in Kaunas, a local drilling company under supervision of Henk van Tongeren Water & Techniek drilled four FHVI wells with two pre-treatment facilities, according to a (Aerfit-)Workplan. In this process, the latest technology was used, learning from previous trials in the […]

Continue reading

Layman’s Report Aerfit

A Layman’s Report on the Aerfit project was released in late 2023. In the Layman’s report, we explain in understandable language what Aerfit entails. For example, we explain why new methods for rainwater drainage are needed, of which our FHVI (Fast High Volume Infiltration) is an interesting example. The most suitable method must be considered […]

Continue reading

AERFIT in ‘Land & Water’ magazine

Sewerage was the main topic of the Land + Water issue of spring 2022. The article ‘Infiltration pits against flooding’ featured the AERFIT project. The article focuses on the handy new filter system that uses an outer and an inner filter. This prevents clogging. The inner filter also appears to catch other contaminants such as […]

Continue reading

Visit of Life-monitor

The ‘Monitor’ from the LIFE+ programme visited the location on September 8. She was given a presentation on the Dutch and German parts of the project and attended the drilling of a new FHVI well at the Bergakkerweg in Loenen. The Monitor also checked a number of administrative matters. Such Monitor visits take place at […]

Continue reading

Municipality of Hilversum and Waternet visit Apeldoorn

Heavy rainfall regularly causes problems in the municipality of Hilversum. There are hardly any possibilities to drain rainwater into surface water, and draining it via the sewer system is not an option either. In Apeldoorn, representatives of the municipality of Hilversum and Waternet were given an explanation of the FHVI technology and examined its practical […]

Continue reading

From problem to solution in the Gentiaanstraat in Apeldoorn

FHVI technology is being used at a growing number of locations in Apeldoorn. One such example is the street Gentiaanstraat in the Zevenhuizen neighbourhood. This proved to be an ideal location for a FHVI test case. Flooding Several small squares in the street were already disconnected from the drainage system a few years ago. Shallow, […]

Continue reading

Apeldoorn climate-resilient

Just like many other towns and cities, Apeldoorn suffers from flooding during extreme rainfall. The Municipality of Apeldoorn has therefore disconnected the rainwater from the sewer system with the help of 150 DSI® infiltration wells. It is a pilot project that the entire of Europe could learn lessons from. Collaboration and monitoring Solutions for the […]

Continue reading