Design services for riser renewal in occupied residential buildings

Summary

The tender concerns the design services for a complete renewal of risers in occupied residential buildings in Berlin-Lichtenberg. The bidder must plan the replacement of drinking water, hot water, circulation and wastewater pipes, as well as collector pipes in the basement, and also the technical prerequisites for a second pipe network, greywater use and wastewater heat recovery. The work will be carried out in occupied buildings, and the bidder must also take into account monitoring, bathroom refurbishment, coordination with the existing specialist design and the role of general designer.