The municipality of Riegelsberg uses the open procedure to tender building cleaning services (maintenance and basic cleaning) for its properties in two partial lots. The objects in question are:

- Lot 1: 3 primary schools with gyms, town hall, waterworks and building yard,

- Lot 2: 2 event halls.

- Annual cleaning area for maintenance cleaning: approx. 1.5 million m 2 .

- Annual waste disposal / visual cleaning area: approx. 0.34 million m 2 .

- special cleaning: approx. 60 hours per year,

- Basic cleaning area per year: approx. 6 700 m 2 ,

- Annual cleaning area for maintenance cleaning: approx. 840,000 m 2 .

- Special cleaning hours per year: approx. 20

- Basic cleaning area per year: approx. 3 700 m 2 ,