EN 
DE Engineering for a Better Tomorrow
PROJECTS
At the heart of SIERA lies Environmental Engineering – connecting innovation, investment, and impact.
SIERA Projects
SIERA unites engineering excellence, sustainable innovation, and collaborative partnerships to address the world’s most pressing environmental challenges. Together, we’re building infrastructure that protects our planet for future generations.
- Energy and Climate
ESM Altstadt Eisleben
The energy-efficient renovation management for Lutherstadt Eisleben is carried out in cooperation with the
- Energy and Climate
ESM City of Harzgerode
In the run-up to the ESM (energy-efficient renovation management), the city of Harzgerode, together
- Urban land-use planning
Legal zoning plan – development of the Borsdorf oilcloth factory
The site of the former “Zweenfurther Kunstleder und Wachstuchfabrik Alexander Schuhmann” and adjacent green
- DISMANTLING / BUILDING POLLUTANTS
University of Heidelberg, Department of Psychology, Remediation of Building Pollutants
University of Heidelberg, Department of Psychology Remediation of building pollutants – listed building As
- WASTE / CONTAMINATED SITES
Dismantling of the Kölliken hazardous waste landfill, Switzerland
Complete dismantling of the hazardous waste landfill in Kölliken, located in a residential area,
- WASTE / CONTAMINATED SITES, DISMANTLING
Bahnstadt Heidelberg, PX
Rezoning of the downtown conversion area The Czernyring 14-16 / former PX property is