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What should you do with your water system at work if you’re temporarily closing and actions to take before re-opening!

 

Where possible you should continue to flush your water systems regularly to maintain good circulation and avoid stagnation. You should also continue to carry out your monitoring tasks where possible, should access to your premises be available and safe to access. You should aim to keep your hot water hot and your cold water cold. Keeping the water moving and clean.

If you are unable to carry out the above then your water systems should be recommissioned as though they were new. Therefore, all employers MUST ensure the health and safety of their employees, customers, visitors and contractors by thoroughly flushing, clean and disinfecting and water testing before the building is re-occupied and the water systems returned to use.

Covid-19 and Legionella have a number of common symptoms, making it all the more important these actions to be completed to protect your health and safety and to avoid any extra burden on our incredible NHS.

Finally, you should update any risk assessments to reflect any actions or changes to your control measures.

Covid-19 Vs Legionella

The symptoms for Covid-19 and Legionnaires’ disease are very similar. With growing commercial and domestic properties being left unoccupied at this time, bacteria in water is of higher risk. Be sure to keep your water systems safe.

Keep in mind these symptoms when returning to properties that have been vacant and not used their water systems for over 7 days.

Covid-19

 

high temperature

a new continuous cough

Legionella

 

a chesty cough

cannot breath properly

you have severe chest pains

high temperature

you feel like you have severe flu

Why should I be concerned about Legionella in an empty or partially occupied building?

 

When a building is unoccupied or there are less people using the building because it’s closed or people are working from home the health risks associated with its water systems, particularly growth of legionella and other dangerous waterborne pathogens will increase for a number of reasons.

  • The turnover of water is likely to stop or be significantly reduced, which may lead to stagnation. This can be very bad as it encourages bacteria and biofilm to grow at dangerous levels.
  • The cold water will tend to warm up whilst the hot water tends to cool down, entering into the ideal ranges for legionella growth.

If buildings water systems are allowed to become contaminated in this way there could be serious health consequences for those people still using the building or when everyone eventually returns to work.

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What does the HSE recommend?

 

The Health and Safety Executives ‘HSG 274 Technical Guidance Part 2’ makes specific reference to this situation. It states on page 24:

Buildings temporarily taken out of use (mothballing)

2.50 Where a building, part of a building or a water system is taken out of use (sometimes referred to as mothballing), it should be managed so that microbial growth, including legionella in the water, is appropriately controlled.

2.51 All mothballing procedures are a compromise between adequate control of microbial growth, the use of water for flushing (while avoiding waste) and degradation of the system by any disinfectant added. Where disinfectants are used, these should leave the system fit for its intended purpose.

2.52 In general, systems are normally left filled with water for mothballing and not drained down as moisture will remain within the system enabling biofilm to develop where there are pockets of water or high humidity. The water in the system also helps to avoid other problems associated with systems drying out, including failure of tank joints and corrosion in metal pipework. The systems should be recommissioned as though they were new (ie thoroughly flushed, cleaned and disinfected) before returned to use.

We have been working with Urisk for best part of year now. I could not recomend their services highly enough. They always promptly respond to our requests promptly and manage the job from start to finish seamlessly. I would highly recommend.
Sam Guest
Sam G.
My first time using Urisk for work at multiple sites. Daniel was absolutely brilliant, polite and professional. Highly recommended! 🙂
Claire Keay
Claire K.
Fantastic training courses and we've found the legionella risk assessment very easy to read and far more detailed than any we have previously had. 5 star service!
Gemma Pond
Gemma P.
Incredibly detailed and professional team. Have been beyond helpful with with our CQC legionella compliance for our Safety. They’ve found solutions to fit around how we work and our budgets. We are always advised with reference to HSE which has been brilliant.
Amy Thorne
Amy T.
Really easy to organise a risk assessment to be carried out at our offices and have had great help from them since to implement the necessary changes to keep the office safe. Would definitely recommend.
Holly Ferguson
Holly F.
Brilliant Service, efficient, professional, punctual and friendly.
Alex Windsor
Alex W.
We're a small GP practice and started using uRisk for legionella risk assessments. We opted to use their remedial and monitoring services and they've been absolutely great. We cannot recommend them enough! Thank you so much!
Amanda Pates
Amanda P.
Brilliant company, customer service was great! And engineers were fantastic. Thanks again uRisk! Will definitely be using them for all future work.
Nikesh Gohil
Nikesh G.
uRisk have been helping us with our Legionella Control for a number of years now. We've recently had a CQC audit and they were very impressed with our legionella compliance! Thank you for all your help.
Mike Port
Mike P.
Brilliant service! Thanks a lot for the hard graft
Leon Macauley
Leon M.
Daniel did the testing today at PGHC He was really efficient, friendly and so professional. An absolute pleasure to deal with. Thanks Daniel
Lorraine Carruthers
Lorraine C.
My experience with URisk Water Hygiene from my initial enquiry, to their site visit to undertake a Legionella Water Risk Assessment at my office (MDG), to providing me with the report and aftercare has been superb! Efficient response times, excellent customer service, friendly, helpful advisors and assessors who are always ready to help and provide guidance. An absolute pleasure to deal with, I highly recommend!
Lauren Wakeman
Lauren W.
A fabulous company, excellent customer service, they try to accommodate appoitments, and do there utmost in emergencies, been with them a few years now,  honestly cant fault them. Coming out of Covid 19, having our building urgently disanitised,  big thank-you to Luke and Lee for staying so late to get the job done!! Thank you Devon, for juggling the diary to fit us in so soon. A Team 🙂
Jo Maskell
Jo M.
Richard & Nick are great. Really good work and nice people.
Joshua Ballard
Joshua B.
This is by far the best service I have received in a long time.Lloyd who we spoke to was super helpful and very thorough with everything.I would def recommend using this company, they are not just out for money they put their customers needs first.Thank you
Coral Dawkins
Coral D.
Extremely happy with our legionella risk assessment carried out by uRisk, easy to understand and great customer service. Thanks again
Nickayla Robertson
Nickayla R.

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