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OutdOOr and municipal cleaning | In PractIce | Springtime is outdoor asset protection time important to do’s As spring rolls in, it’s high time to start inspecting and fixing winter damage, cleaning and maintaining outside areas and facilities, and getting the necessary upkeep going. Here we look at the key measures that need to be taken – at the municipal level, too. The new season brings up important maintenance steps that lodge the salt and then several more to clean the cracks with a dry should be on the agenda for many organizations, be they publicly blasting procedure.” Crystallization only begins after the cracked or privately owned. It’s why they call it spring cleaning. “Right parts have been smoothened out. Here, the surface is polished, around now, inspections everywhere are underway to appraise cured and compacted in order to inhibit the impact of the salt. any winter damage and people are getting started on repairs and “Depending on the extent of the damage, the crystallization on cleaning and maintaining external areas and outdoor facilities. process may have to be repeated,” cautions Ruhkamp. Once all Facades, access ways and buildings – everything is getting a make- traces of salt have been removed, waterproofing will protect the over. Of course, it’s about bringing out the good looks of a property, stone against weathering while providing improved re-staining but it’s also about preserving the value of these important assets,” resistance, especially in non lime-bound natural stone. summarizes Siegfried Ruhkamp, an expert on building cleaning and operating manager at the Niederberger Group’s Cologne Glass facades location. Here, he has brought together the key measures that From the end of March, intense activity prevails in the glass need to be taken in spring when it comes to facility management. cleaning sector. “We can’t get started on this any earlier for health and safety reasons because there’s no way we could send Addressing grit and salt damage employees out to clean glazed facades in the freezing temperatures All that grit and salt spread out in winter leaves marks on we sometimes have in winter.” Here, using demineralized water floorings in entrance areas and stairways that need to be removed. prevents stains, smears or streaks. It also helps avoid the residue Characteristic of salt damage is a tarnished, pitted floor surface. left by surfactants. The heat caused by direct exposure to sunlight Very porous natural stones like limestone or Jura marble are the should not be underestimated, either, as it can burn this residue most susceptible. right into the glazing,” he adds. Building cleaners are busy every year fixing damage caused by There also comes a point when even the longest telescopic boom salt, particularly on calcite-bound natural stone. “Cleaning can is too short, and the company’s rope access technicians have to be particularly laborious, as it takes several passes to first dis- take over the cleaning. Early spring is high season for glazing cleaning Landscape maintenance, including pruning Salt and grit on foot paths and access ways specialists. Rope access technicians keep the shrubs and trees in the municipal sector are also areas must also be removed to prevent view clear in those hard-to-reach places. high on the to-do list of service providers. damage to buildings because it would other- Photo: Niederberger Photo: rationell reinigen wise get dragged in on shoe soles. Photo: Böhm GLOBAL CLEANING | ISSUE 2016 59


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