WATER MANAGEMENT ROUND-UP In-line sterile filtration system
Aqua free’s new AS Tube cartridge-based in-line filter system comprises a ‘high quality’ stainless steel filter housing enclosing the high capacity MF5 sterile filtration cartridge, providing ‘an elegant, adaptable, and effective barrier’ against waterborne bacteria for both hot and cold water systems. The company explained: “The MF5 hollow fibre membrane filter cartridge delivers a proven 7 Log reduction of Brevundimonas diminuta, which corresponds to the FDA definition of sterile filtered water, and guarantees a barrier to all waterborne pathogens – including Pseudomonas and Legionella.” The AS Tube housing can be easily installed either in-line in existing pipework, or directly to a manifold via the G1/2”
threaded connections. At the end of its service life the MF5 cartridge can be quickly changed while leaving the housing in position, ‘saving time and money, and reducing waste’.
Potential applications for the AS Tube system include: n Fitting directly to a shower manifold, where using a point-of-use filter ‘may not be practical’.
n Fitting in industrial environments or
commercial kitchens ‘where the hard- wearing, robust, stainless steel housing protects the filter from environmental influences’.
n Fitting in-line to both hot and cold water supplies, providing a discrete sterile filtration solution mountable under a sink or behind a wall panel.
Sampling, detection, and enumeration
The Water Management Society’s ‘HTM04-01 – Monitoring the Risk of Waterborne Pathogens – Best Practices (W038)’ training covers the elements required for sampling, detection, and enumeration of Pseudomonas aeruginosa and Legionella pneumophila according to the most probable number (MPN) method.
The Society said: “It is not essential for delegates to have any prior knowledge of this subject, but experience of healthcare water testing would be beneficial to
assist understanding. The course will provide instruction on ‘the background, sampling, and testing’, for Legionella spp. and Pseudomonas spp, and practical training for testing for L. pneumophila and P. aeruginosa according to the MPN technique.”
Topics covered will include:
n Background information and problems in healthcare with specific references to P. aeruginosa and L. pneumophila.
n Sampling techniques – ISO 5667-1/ ISO 19458, BS 7592, and HTM 04-01. Description and assessment of aseptic technique and practical instruction and guidance for: n Sampling, testing, and reporting, of Pseudomonas aeruginosa (BS ISO 16266-2:2017).
n Sampling, testing, and reporting, of Legionella pneumophila (MPN method).
Guidance ‘for every step of the way’ training and guidance every
While all organisations are legally obliged to manage and maintain their water systems to minimise the risk of Legionella and other waterborne bacteria, this is all the more crucial in a healthcare facility.
Training establishment, Eastwood Park, said: “Appropriate expertise and competence is a requirement for all involved in delivering safe water throughout an organisation, healthcare or otherwise. We are here to provide
step of the way, with courses for Responsible/ Authorised Persons, Technicians, and those involved in the ‘background’ of water management.” Presenting HTM 04-01, Safe water in healthcare premises ‘in a concise and easily assimilated form’ (plus ACoP L8 and HSG 274 guidance), Eastwood Park delivers a series of one- day courses for those required to assist
The ‘programmable washroom’
Dart Valley Systems (DVS) describes its DVS Programmable sensor as ‘one of today’s most versatile ways to control a washroom product’. DVS said: “The Programmable Sensor and its Handheld Programmer allow quick, easy adjustment of settings for basin, WC, urinal, shower, and bath products. Real-time data can be uploaded from the programmer via the integrated USB, allowing accurate monitoring of water
efficiency.” Features of the sensor/ handheld programmer include: n Adjustable run time. n Adjustable range for different length spouts.
n Anti-vandal mode on/off and adjustable time.
n Automatic and time-adjustable purge.
n Chlorination mode. n User detection or wave-on/wave- off function.
n USB connection to upload real-time data to PC.
n Tap read function produces ‘data on’, total run time, and total number of operations and purges.
DVS added: “By gathering data, the handheld programmer enables users to quickly and easily understand water usage by looking at the run times and multiplying by the litre/min output of the taps, allowing a calculation to within the nearest litre usage – great for high traffic areas to understand human behaviour and ergonomics. The amount of times used is recorded, enabling customers to see which products are used more frequently in certain areas.”
in the development of water safety plans for Water Safety Groups, while for estates and facilities managers, supervisors, and operatives, water hygiene awareness training is available. For those needing more in-depth training,
there are longer courses for Responsible/Authorised Persons and Technicians, ‘all reflecting the emphasis on staff competencies found in the 2016 update to HTM 04-01’.
August 2018 Health Estate Journal 65
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