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|  Main Topic  |  Hygiene inHospitals and retirementHomes Cleaning The on-board units dosing system can be for the clean- equipped ing chemicals with is a practical additional and safe fea- manual ture – and a cleaning money saver. tools for Photos: Hako those hard- to-reach areas. The on-board dispensers found on machines make a big difference: When cleaning with machines, the combination of scrubbing and They reduce both travel and setup times, increasing productivity. vacuuming must leave the floor dry enough to avoid any risk of At the same time, they ensure correct dosage of the cleaning prod- slipping. This is especially important when you consider that a uct. Incorrect dosage doesn’t just affect the cleaning performance: shiny, damp-looking floor looks slippery (and thus dangerous), Overdosing, for instance, may impact the anti-slip properties of the and not just to the elderly. flooring. Here, precedence should always be given to dispensing 33Hygiene requirements (preventing cross contamination, systems that are designed to handle listed detergents. optimizing cleaning performance – especially in peripheral An on-board system consists of a pump that, depending on water areas) intake, regulates the detergent flow rate. The concentration can No need to discuss the health risks posed by germs, especially in be adjusted gradually and it always remains constant, even if the the healthcare sector. At this stage we all know there is no room operator raises or reduces water intake. This effectively prevents for compromise. Having said that, the importance of preventing under or overdosing. The system can also be used in machines cross-contamination cannot be overemphasized. without water pumps. The detergent is conveniently stored in a In this context, products with antibacterial properties are canister on the machine. attracting increasing interest. An antibacterial tank system, for 33 instance, clearly improves hygiene levels in the tanks and on theUsage patterns (cleaning times, contaminants, noise, safety (fear of slipping when the floor is wet /damp) cleaned surfaces – in addition to preventing smelly tanks. As a A well-maintained cleaning machine leaves the floor in a dry result, much lower quantities of disinfectant are needed, especially enough condition to walk on after cleaning. More disturbing, for cleaning the tanks. These factors not only positively impact and therefore of greater significance, is the noise impact of the hygiene and the environment, but also improve occupational cleaning unit. As indicated in the table on the left a ‘normal’ health and safety because there is simply less exposure to bacteria, conversation is at a level of about 60 dB, and this is classified as an fungi, spores and unpleasant smells. ideal noise level for machines. Scrubbing machines of well-known At the end of the day, meeting the high hygiene demands in manufacturers, feature active sound insulation that keeps the retirement homes depends on the manufacturer and the service emissions level at about 63 dB(A). What is measured is the noise provider working together as partners to ensure that the cleaning level at the operator’s ears, i.e. those of the cleaning personnel. machine gets the job done and gets it done right in this sensitive That means that the actual noise exposure for the elderly and environment. N other users of the facility is even lower. The other aspect is safety: Sascha Hintze | markus.targiel@holzmann-medien.de 14 GLOBAL CLEANING | ISSUE 2016


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