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Provider ProFile Mendelssohn Hall offers 498 seats for chamber concerts. Before the cleaning opus commences, a visual inspection is carried out Ostrei Dienstleistungen und Umwelttechnik, Leipzig in both halls. “There is a lot less litter to be removed here than in other public institutions. But people do leave behind program booklets or tickets, and musicians sometimes forget their sheet In 1991, the Hamburg-based company Nordrei Dienstleistun- music,” Detlef Schmiedgen explains. gen und Umwelttechnik GmbH opened branches in Leipzig and Later, the street grime carried into the hall on soles and clothes is Dresden. In 2007, the two branches merged to establish Ostrei vacuumed from the stalls and the galleries, one seating row at a Dienstleistungen und Umwelttechnik GmbH as an independent time. The podium is equipped with fixed seating and that needs to company headquartered in Leipzig. The company carries out be cleaned manually. Next comes a pass with a mopping product maintenance and window glass cleaning for any type of facility. (Igefa) to prevent dirt from penetrating the parquet and create a Its broader service portfolio covers technical and special cleaning neat, matte glow. Every three months, Igefa glossy hard wax is projects as well as textile cleaning. The business also specializes applied to the parquet floors. After the cleaning, the hallways and in disinfection and janitorial services, street cleaning, winter road other large areas are polished with a hand-held polishing machine clearance, large-scale project and event services, and infrastruc- and polishing brushes. The areas between the seating rows are ture services. cleaned manually. up the sheet music easels and getting a lot of other organizational The need to be nimble tasks sorted.” It’s important to note that the halls are frequently After the parquet flooring has been treated and the seating areas required for rehearsals by the Gewandhaus orchestra or choir have been vacuumed in both halls, preparations for the evening during the day. This calls for careful coordination with the staff of event can begin. Detlef Schmiedgen: “The sound technician checks the institution on a daily basis. “Although we produce our work the equipment, and depending on the evening’s line-up chairs schedules in advance and hold weekly meetings, we sometimes have to be set up on the podium. We’re also in charge of putting need to adapt our routines to last-minute changes,” the facility manager adds. Cleaning the floors of the four lobbies requires extreme attention to detail. On the second and third stories, the textile flooring is cleaned with a Nilfisk wide-area carpet vacuum cleaner. The por- celain stoneware edging along the walls is mopped with a cleaning agent. In those areas of the lobby where food and beverages are served, stains on the light-beige carpeting are difficult to avoid. Occasionally, it becomes necessary to remove them at a moment’s notice and that falls within the scope of a special cleaning order. The marble floors on the forth story need particular attention as well. Here, treating the surface manually with marble polish creates a stain-resistant, anti-slip sacrificial layer that leaves a silky-matte finish without affecting the look of the sensitive stone. The granite floor in the ground-floor lobby has not been renovated since the inauguration of the Gewandhaus in 1981. Because the area is heavily frequented during the day, repeated follow-up clean- ing is necessary before the evening events commence – especially during the winter. “The sanitary facilities on the ground floor are open to the public. Around the corner you have the area where tickets are sold in advance as well as the gift shop where music fans can buy audio recordings, literature, and souvenirs,” Detlef Schmiedgen explains. By using a hand-held scrubbing machine (Nilfisk) in conjunction with brushes and an alcohol-based clean- ing agent, the floor can be cleaned to a silky sheen without streaks. The tile and stone floors in the sanitary facilities throughout the building are cleaned with an acidic sanitary detergent as the Manual finishing gives the marble floors a dirty repelling anti-slip sacrifi- need arises, but at least once per day. The broad-spectrum prod- cial layer. Photos: Reinhard Wylegalla uct by Igefa reliably destroys germs and prevents proliferation, with the added benefit of giving the area a pleasant, fresh scent. GLOBAL CLEANING | ISSUE 2016 41


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