Hamburg
Partial dismantling of the Stellinger Moor waste-to-energy plant
Hamburg, Germany / 12.2016 - 06.2018
The Stellinger Moor waste-to-energy plant was in operation from 1973 to 2015 and was used for the thermal recovery of municipal waste. Following its decommissioning, parts of the plant were dismantled. PORR environmental engineering, as part of a consortium, undertook the remediation of contaminated sites, gutting, dismantling and processing work.
Facts & Figures
Company
PORR Umwelttechnik GmbH in ARGE
Type
Demolition
Runtime
12.2016 - 06.2018
Contaminant remediation, dismantling and material processing at a waste-to-energy plant
Selective dismantling whilst the plant remained in operation
The scope of work included setting up and securing the site, decontamination, gutting, the dismantling of structures, as well as the processing and recycling of materials. The work was carried out on a site that remained in use and was co-ordinated with ongoing operational processes.
Dismantling of 20 plant and building areas
The project comprised a total of 20 structures and plant sections with a dismantling volume of around 100,000 m³. The structures in question were decontaminated, gutted and dismantled. Fourteen building units were completely dismantled.
Dismantling of a 72-metre-high chimney
A key part of the project was the dismantling of a 72-metre-high chimney using a specialised demolition excavator. In addition, three structures were dismantled entirely underground. Further dismantling work included, as well as the boiler house, the turbine hall and the heavy-duty structures. The boiler house contained two boiler plants, each approximately 30 metres high.
Remediation and decontamination
The remediation work included, amongst other things, the handling of asbestos, man-made mineral fibres, caustic soda, hydrochloric acid, hazardous dusts as well as other substances typical of such facilities. Separate working and restricted access areas with appropriate barriers were set up for the decontamination work.
Processing of mineral building materials
Following dismantling, around 20,000 tonnes of mineral construction waste remained. This was processed using a crushing plant on site. Part of the processed material was used within the construction site for technical backfilling. Surplus materials were disposed of in accordance with the project-specific disposal and recycling routes.
Foundation for the site’s further development
The remediation of contaminants, the selective dismantling of plant areas as well as the processing of building materials have laid the foundations for the site’s further development. The works included the dismantling of structures, the decontamination of contaminated areas as well as the processing of the resulting materials.