Remediation of contaminated site K20 in Brückl
| Company | PORR Umwelttechnik GmbH in ARGE, PORR Bau GmbH, IAT GmbH |
| Principal | Donau Chemie Aktiengesellschaft |
| Location | Brückl - Austria |
| Type | Remediation of contaminated sites, Special civil engineering |
| Runtime | 10.2011 - 09.2018 |
A cross-company showcase project.
The remediation of the contaminated site K20 in the Carinthian market town of Brückl is an illustrative example of PORR's flexibility and broad range of services. The blue limestone landfill was used to deposit calcium carbide and CHC-polluted waste until 1981, and was for a long time considered one of the most dangerous contaminated sites in the country.
After part of it was cleared, the site was secured in summer 2016. PORR Umwelttechnik GmbH was responsible for clearing, loading, disposal, drilling and earthmoving works and for the construction of parts of the groundwater purification plant and the soil vapour extraction plant.
PORR Bau GmbH undertook the construction of the enclosing diaphragm wall securing the contaminated site and the PORR subsidiary IAT GmbH carried out the multifunctional surface sealing works. The total order volume was around EUR 30m. Today, Brückl's air and water are once again free of pollutants, thanks to PORR.
An aerial photograph of the K20 site taken in August 2018: the multifunctional surface sealing works – and thus the last part of the project – have almost been completed.
Three months earlier, work was still in full swing, as this aerial photo of the K20 taken in May 2018 shows.
The key elements of this remediation project were the soil vapour extraction system (on the left) and the groundwater purification system (on the right). Thanks to the successful remediation, Brückl once again enjoys clean water and air.