Pessin

Biogas plant

Outdoor facilities for the Pessin biogas plant

Traffic and storage areas for plant operations

The areas were constructed in accordance with the requirements of future plant operations. The planning and execution encompassed not only the traffic and storage areas but also the drainage and collection of any liquids produced.

A seamless surface surfacing was used for the silo chambers. Due to the project’s requirements, both the asphalt base course and the surface course were constructed using materials with specifically specified properties.

Requirements for the road structure and drainage

The storage of raw materials places particular demands on the design of the surfaces and the underlying drainage system. Accordingly, specifications regarding impermeability, material properties and void content of the asphalt structure were taken into account. Beneath the base course, the storage area was sealed off from the subgrade using a 1 mm-thick PE membrane in accordance with the project-specific specifications.

Separate drainage of different water flows

The liquids generated are channelled via seamless asphalt channels to the inlets of welded PE spiral pipes. From there, they are conveyed within the designated plant systems. A separate drainage system was installed for rainwater. This directs the water into designated infiltration basins.

Infrastructure for plant operation

The works in Pessin combine the construction of traffic areas, waterproofing technology and drainage systems on a single construction site. In addition to the construction of the traffic and storage areas, the project focused in particular on the requirements for the superstructure, watertightness and water management within the biogas plant.