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Zig's clean sweep at NHS Fife

Open-access content 4th January 2018
p36_Cleaner_shutterstock_139772131

Lindsay Childerhouse, marketing lead for Diversey, explains how robot Zig has became a welcome addition to Victoria Hospital's cleaning team.


08 January 2018 | Lindsay Childerhouse

Earlier this year NHS Fife's Victoria Hospital became the first site in Scotland to deploy Diversey's TASKI Intellibot robotic floor cleaning machine. The initial aim of improving the cleaning results and efficiency of the overnight cleaning team was quickly achieved. Now, having used the robot for nine months, the site is uniquely positioned to reflect on its effect on cleaning routines.


The ability to increase floor cleaning efficiency and embrace new technology is a key benefit for NHS Fife. Previously, a member of the overnight team was tied up cleaning floors using a conventional scrubber drier - now that person can concentrate on other tasks or respond to cleaning requests in nearby areas while the robot (named Zig) gets on with it. Although the robot carries out the cleaning process, it is never completely unsupervised - a member of the night team is always working on other complementary tasks close by.


"A task that previously required two people is now done by one person and a robot," said Midge Rotheram, NHS Fife's support services manager. "We promote this positively and using the robot allows the team flexibility and time to do the cleaning tasks that the machine cannot."


Difficult areas

Overall, the cleaning of the corridors and open spaces where the robot operates has improved. Results in busy and difficult-to-clean areas including entrances and main corridors and on anti-slip floors have been particularly noticeable.


"We get consistent floor cleaning every night, with the robot working in assigned areas of the site, it works steadily through its map for that area and the finished results are good and consistent," said Rotheram.


"I believe these improvements are down to the pads that are now being used and the robot being heavier and slower than comparable conventional machines. This means greater pressure is applied to the floor for longer so that more soil is removed during each pass. Over time, floors become cleaner and there is less dirt to remove."


The team has also noticed the robot's sustainable cleaning capabilities. Innovative water and filtration systems mean that a single tank of solution lasts the full shift when cleaning the usual areas, which reduces water and product use and means that the cleaning team do not have to constantly empty and refill the tank. In most cases, one tank can last a full shift.


The robot follows a predetermined path in designated areas using memorised internal maps. Diversey prepared these maps as part of its implementation process. Team members simply select the right map for the area and press a button.


The robot can also operate in 'area-clean' mode without any need for pre-configuration. It uses its onboard sensors and software to clean an area with minimal repetition. This is not as efficient as mapped mode, but it does allow the robot to work occasionally in different parts of the hospital and increases its flexibility.


"We've started using the area-clean function to see if the robot will be more suitable than our conventional machines in other areas of the site," said Rotheram. "We like this flexibility because we don't want to have to ask Diversey to come in and prepare a new map every time we want to trial the robot in a new area. This allows us to wait until we have three or four new areas where we are confident the robot will work effectively and improve our results."


Easy maintenance

Like all scrubber driers, the robot benefits from proper maintenance including routine weekly and daily checks. Diversey provided NHS Fife with detailed instructions and the overnight team has been diligent in following these. Simple tasks, such as cleaning the tank and checking filters, are completed after each shift, while other aspects of the robot such as seals and blades are inspected weekly. These checks are no more onerous than those required for conventional machines.


"Our robot still looks almost like new," said Rotheram. "It's good at displaying simple instructions and maintenance reminders when something needs to be done. We're now looking to adopt similar step-by-step cleaning and maintenance processes for our other larger conventional scrubber driers."


The robot has become integral to the overnight team's routine. It has taken some of the pressure off and allows them to concentrate on other cleaning tasks, which improves the environment for patients, staff and visitors. The robot also remains a point of interest to other staff and patients within the hospital.


"We know that by using this technology we don't need to worry about whether floors are being cleaned. It has become part of our team and we wouldn't be without it now. Going back to the previous way of working would mean a complete rethink," said Rotheram.  


www.diversey.com 


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