WASHROOM CASE STUDY: A ROYAL FLUSH
Following a successful trial at its hospital in Harlow, the Princess Alexandra Hospital NHS Trust has
chosen to refurbish all of its public toilets using the Propelair WC system.
Using a revolutionary technology that combines displaced air and just 1.5 litres of water, Propelair offers an unparalleled reduction in washroom water consumption without compromising on flush performance, and can be installed onto existing drainage as a like-for-like replacement for conventional units.
In addition to the obvious water savings and reduction in utility bills, the technology brings substantial hygiene benefits that are of particular importance in a healthcare setting, reducing the spread of germs and ensuring almost total contaminant removal. Propelair’s flush efficiency has also added value at the Princess Alexandra Hospital by eliminating blockages in areas of extreme high usage where issues had previously arisen on a daily basis.
ENVIRONMENTAL By reducing flush volumes from 8
litres to 1.5 litres the new toilets are expected to save almost 2 million litres of water per year. This will also result in a substantial reduction in carbon footprint, as the energy saved by reducing the amount of water that needs to be supplied and treated
will reduce annual emissions of CO2 equivalents by around 2,023 kg (DEFRA conversion factors for greenhouse gas reporting 2016). This is the same amount produced by 66 car journeys from London to Leicester.
FINANCIAL Propelair is an economically-viable
solution for organisations wishing to reduce their water consumption and carbon footprint at a relatively low cost. Collectively the Propelair units
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installed at the Princess Alexandra Hospital NHS Trust are expected to pay for themselves in just 1.9 years via the water savings and associated reduction in bills.
HYGIENE Propelair provides washroom users
with a number of hygiene benefits. Every time a conventional toilet is flushed, particles of contaminated water become airborne, landing on washroom surfaces. With Propelair this ‘sneeze effect’ is avoided – germs are trapped inside the toilet’s unique, closable lid then efficiently removed by its powerful air flush, reducing the spread of aerosolised germs by 95%. Propelair also removes over 99.9% of waterborne contaminants (whereas conventional low-flush toilets can leave up to 6% of previous users’ contaminants behind), ensuring less risk of cross-contamination during subsequent flushes. This helps to maintain the highest standards of hygiene for staff, patients and visitors to the hospital.
ADDED VALUE Domestic staff at the hospital have
found the new toilets much easier to clean than the previous ones, and user feedback has been overwhelmingly positive. The installation of Propelair toilets in several public areas during the trial has also resolved a number of issues with blockages.
Propelair is gaining traction not only in healthcare settings, but also within education and the public sector – several colleges, universities and local councils have already chosen to replace existing WCs with Propelair, attracted by the environmental and
“We were experiencing blockages nearly every day in one public toilet located outside maternity that was very heavily used. Since replacing this with a Propelair unit 10 months ago there have been no reported blockages. The women’s staff toilet used to block on a daily basis too, but this hasn’t happened since installing Propelair four months ago. The toilets work really well and offer savings not just on water but on maintenance costs and call-outs too.”
Bill Dickson - Energy & Environment Manager, Estates & Facilities Department
hygiene benefits as well as a rapid return on investment of around 1-3 years via the water savings and an ongoing reduction in water bills of as much as 60%. By improving washroom sanitation organisations are also able to lower the potential impact of illness and infection on organisational productivity and associated costs.
www.propelair.com
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