The Central Building Management of the City of Krefeld is building a tool shed for the volunteer fire brigade and rescue service in Krefeld-Traar for Department 37 - Fire Brigade and Civil Defence.

Separate supply systems are to be built for the two usage units of the property. The following list provides a rough description of the service to be provided:

- Heating systems and central water heating systems with:

- 2 brine-to-water heat pumps with a nominal output of 45 kW each

- 2 solar thermal systems with a total of 8 vacuum tube collectors incl. fittings, pumps and accessories

- 2 thermally insulated heating buffer tanks (700 L)

- 2 hot water instantaneous spouts for central hot water production (800 L)

- approx. 120 m black tubular steel within the heating systems (joining technology: welding) DN15-50 incl. moulded, fastening and connecting parts

- approx. 1400 m carbon steel pipe galvanized inside the building (joining technology: presses) DN12-50 incl. molded, fastening and connecting parts

- approx. 300 m stainless steel pipe inside the building (joining technology: presses) DN 12-50 incl. fitting, fastening and connecting parts

- Approx. 60 m copper pipes for solar thermal energy within the building (joining technology: presses) DN 15 incl. moulded, fastening and connecting parts

- 13 radiators in different dimensions and designs

- 2 compact supply and return manifolds, each with 6 nozzles, incl. thermal insulation and accessories

- Underfloor heating with:

- 950 m² Sytemverbundplatten

- 750 m Randdämmstreifen

- approx. 4700 m system pipe 17x2 mm

- 12 heating circuit manifolds in cabinets and various construction methods (surface-mounted/flush-mounted)

- Accessories and operating devices

- 9 Deckstrahlplatten in Fahrzeughallen