Construction Project: Unit Production Seine Aval

At SERS, our structural engineering consultants, ensure the execution of building engineering solutions of the unit production “Seine Aval” in France. We apply our brilliant expertise and great professionalism to execute modernization of the biogas production unit at the « Seine Aval » wastewater treatment plant.

The « Seine Aval » wastewater treatment plant, managed by the Syndicat Interdépartemental pour l’Assainissement de L’Agglomération Parisienne (SIAAP), covers an area of 800 hectares.

Modernization works :

  • Partial rehabilitation of the sludge digestion and biogas production chain (about 15 digesters, 4 gasometers, 1 compression unit, distribution and mixing towers, spheres and flares);
  • The construction of a new digestion unit and its associated gasometer;
  • The construction of a new compression unit;
  • The creation of a new tarpaulin for the general distribution of sludge;
  • The construction of business premises;
  • The rehabilitation and the aerial installation of biogas networks (MP and Bp);
  • The overhaul of the automation and instrumentation systems of the Biogas production unit;
  • VRD.
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Our Building Engineering Mission:

  • Drawing up formwork drawings from a mock-up on revit,
  • Developing reinforcement drawings

Contracting authority: SIAAP.


Start date: 2018

Phase: Detailed design phase of projects

City: Saint-Germain-en-Laye

SERS’ Building Engineering Solutions

SERS marks its presence by the building engineering solutions delivered and executed by its professional structural engineering consultants. Our team of qualified  engineers work on prestigious projects. Besides, we rely on modern and performing equipment, tools and techniques: BIM, prestressing, time dynamics calculations, rupture studies, fire calculation. And as a result, we ensure the development and execution of high-quality construction solutions. In addition, our team of professional engineers always aim to remain at the heart of current and future large-scale projects on the French and international markets. Also, we encourage our team to stay in touch with the world of research and technology and follow the latest news of science.