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HRB and sewer construction Oer-Erkenschwick

  • Civil engineering
  • Eiffage Infra-West

Client

Stadt Oer-Erkenschwick

Project volume

1.6 million EUR

Construction time

June 2015 - January 2016

Construction of an open flood retention basin and an open waterway section, water pipework in Klein-Erkenschwicker-Straße and renewal of the sewerage system in Werderstraße/Steinrapener Weg.

Hegebach, Hilgenbach, Werderstraße in Oer-Erkenschwick

Sewer construction
DN 500/DN 600 FBS concrete pipes and approx. 80 metres of DN 1000 FBS concrete pipes were laid over a length of approx. 600 metres. Precast concrete manhole structures and special manhole structures were relocated.

Flood retention basin and the drainage

  • approx. 3,600 m³ installation of topsoil
  • approx. 23,500 m³ of excavated soil from the RRB base & drain, landfill to AN
  • approx. 6,800 m² additional topsoil removal in the HRB area
  • Rock fill from armourstone
  • Wet seeding
  • Construction of a new throttle structure (equipment and technical installation)
  • Fence and gate installations
  • Earthworks for the relocation of a DN 350 GG water pipe
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