The Gropiusstadt district heat network will be reconditioned stepwise over the next 10 years. BLS Energieplan GmbH received an order from GbR Fernheizung Gropiusstadt or rather RWE Innogy for the planning and construction management of these projects.
Renovation was done in sections determined annually. For this the pipes were partially reconditioned in concrete ducts, and the concrete ducts were also partially abandoned.
Route length: Renovation of approx. 20,000 m as 3-line network with unlimited heat supply Nominal pipe sizes: DN 65 to 400 Cost of construction: EUR 12 million