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|  In PractIce  |  School cleaning Full basic cleaning program intensive summer refresher As a rule, basic cleaning projects in school buildings are reserved for the holidays. This is also the perfect time to get all those long-awaited repairs and renovations done that involve other specialized contractors. The timing is tight and the place can get pretty busy. Besides their professional know-how, facility services providers must also demonstrate organizational skills. During the last fall break, basic cleaning at the Erich Kästner pose-designed brushes, cleaning glass surfaces up to 20 meters School in Fürstenwalde, just east of Berlin, included giving the above the ground is a cinch, promises the manufacturer. glazed surfaces the Puraqleen treatment. This innovative system Based on Alfred Jäckel’s experience, the potential savings features a water treatment unit that demineralizes tap water using generated by the new system are substantial compared to the quartz sand. “In the past we manually cleaned the eight-meter- conventional cleaning process. Aedes had previously had a good high glazing at the gable,” reports Alfred Jäckel, Managing Direc- experience on other buildings with a rental system, so they even- tor of Aedes Dienstleistungen GmbH, Dresden. The costs and effort tually developed their own system a year ago. “It not only opens involved were considerable: A lifting platform had to be rented and up new revenue streams for us, but also takes the pressure off the cleaners had to climb a ladder and literally go out on a limb our cleaning crews. And because they are now standing on firm to reach those hard-to-reach glazed areas. “All the moving around ground rather than teetering on ladders, safety is up, too,” says and setting up over and over again resulted in lots of unproductive Jäckel. Still, holding that tube and keeping their aim true is not time,” he recalls. That is a thing of the past now: Using a modular without its challenges for the two window cleaners on staff at the tube system made of a carbon or aluminum alloy and various pur- time of writing. They work as team in half-hour rotations. This time the glass surfaces in the Erich Kästner School had to be selectively cleaned again to remove the chemical residue from pre- vious cleanings. “Come back next year and you’ll see only spotless glass after just one pass,” he adds with a knowing smile. The sys- tem offers another key advantage: Because it uses demineralized and chemical-free water so that less atmospheric dirt gets depo- sited on the glass. The waste water doesn’t have to be collected and disposed of separately but can drain off unhindered to the ground. In sync with the janitorial crew “The high volume of waste water produced, however, precludes the system from being used in enclosed spaces on a regular basis. That can sometimes be a drawback, albeit a small one,” Jäckel adds. Meticulous manual work is also necessary for cleaning the lighting fixtures, the fire-proof doors and skylights, all the windows of the class rooms and function rooms, and the steel traverses of the handrails and gallery railings. Apart from bringing all the glazed surfaces back to sparkling life, it was also high time to give the floors in the entire school building a basic cleaning again, worn down by the soles of thousands of children in the course of a school year. As the cleaners only had one week left, everything had to be perfectly organized. Alfred Jäckel: “We got together with the school’s janitors in Fürstenwalde and the other trades that had been contracted for special jobs Using a tube system saves time, as ladders and lifting platforms don’t during the holidays to coordinate. This way, we could prepare have to be moved around anymore (a time-consuming process). and save time as well as make sure we wouldn’t be stepping over each other.” 28 GLOBAL CLEANING | ISSUE 2016


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