Heat supply systems for the new construction of four apartment buildings with 173 apartments and a shared underground car park as well as above-ground parking spaces in Oberreut, 76189 Karlsruhe, Wörishofferstraße 1-21.

Living space: approx. 11,130 m², energy efficiency: KfW 55. The apartments are planned according to the requirements of the State Housing Promotion Act and are partly barrier-free.

The order specifically includes the performance of heat supply systems.

Further details are provided in the offer documents.

Heat supply systems

Building 1:

approx. 1 st district heating transfer station approx. 90 kW with control unit

approx. 1 st primary store system with control unit and connection assembly

approx. 1 hour pressure maintenance for heating network

approx. 1 heating distributor with 3 outlets and 2 control groups (DN 20-65)

approx. 685 m of piping, including thermal insulation DN 12 - DN 65 carbon steel

approx. 330 m piping, incl. thermal insulation DN 12 - DN 32 copper

approx. 20 pcs of line shut-off and balancing valves

approx. 3 pcs high efficiency pumps

approx. 65 fittings DN 12 - DN 65

approx. 1900 m² underfloor heating system

approx. 9600 m underfloor heating pipe

approx. 38 hours underfloor heating distributor with distribution cabinet

About 42 pcs bath/tube/valve radiators

approx. 94 coring holes

Building 2:

approx. 1 st district heating transfer station approx. 450 kW with control unit

approx. 3 pcs primary store system with control unit and connection assembly

approx. 1 hour pressure maintenance for heating network

Approx. 3 heating distributors with 3 outlets and 2 control groups (DN 20-65)

approx. 2808 m of piping, including thermal insulation DN 12 - DN 80 carbon steel

approx. 986 m of piping, including thermal insulation DN 12 - DN 40 copper

approx. 70 pcs of line shut-off and balancing valves

approx. 10 pcs high efficiency pumps

approx. 190 valves DN 12 - DN 80

approx. 7700 m² underfloor heating system

approx. 43000 m underfloor heating pipe

approx. 136 hours underfloor heating distributor with distribution cabinet

About 155 pcs bath/tube/valve radiator

approx. 270 coring holes

Exact information can be found in the course.

Single terms/intermediate deadlines

Monday, 24/01/2022 - Friday, 12/08/2022 Assembly Building 1

Monday, 21.02.2022 - Friday, 29.07.2022 Assembly Building 2-4 UG+TG

Monday, 04.04.2022 - Friday, 19.08.2022 Assembly Building 2 from ground floor

Monday, 15.08.2022 - Friday, 03.03.2023 Assembly Building 3 from ground floor

Monday, 21.11.2022 - Friday, 12.05.2023 Assembly Building 4 from the ground floor