Legionella Control Regimes For Cooling Towers Or Evaporative Condensers

A series of recommendations can be made for your specific site in order to create a workable and effective Legionella control regime for sites which have cooling towers or evaporative condensers.

Services For Cooling Towers & Evaporative Condensers

  • Services for sites which contain cooling towers include:
  • Ensuring the release of water spray is controlled
  • Removal / replacement of redundant or overtly long pipework with better, safer pipework to avoid water stagnation.
  • Removal of material known to encourage legionella growth
  • Water cleaning
  • Chlorination / chemical treatments can be applied as required and treatments applied to kill Legionella where a problem is found to exist.


cooling towers condensers


Treatments & Legionella Conscious Refurbishment

Treatments which have been used on cooling towers include biocides, UV irradiation, ozone and copper/silver ionisation and chlorine dioxide.

Cooling tower refurbishment can include the supply and fitting of drift eliminators and efficient cooling tower packing which has been treated with biocide.  These greatly reduce the risk of the spread of infected water in aerosol form.

If hot water is used to control Legionella then appropriate risk-control measures need to be thought through to reduce the risk of scolding.

ACoP

Sampling in accordance with Part 2 of the ACoP can be carried out to test for Legionella in cooling towers and hot and cold water systems.

Cooling Tower Refurbishment

AMES Legionella Control offer efficient management of cooling tower refurbishment work throughout the UK. We maintaining a high level focus on the prevention of legionella bacteria growth as well as operational efficiencies.  Engineers and technicians produce expert recommendations based on ACOP L8 and CIBSE TM13 requirements.

We offer an excellent cooling tower refurbishment service, managing every single aspect of the process. We supply and fit drift eliminators too. With AMES, you benefit from our complete service as well as the workmanship of our experienced staff.

As the Health & Safety executive have already reported “The importance of drift eliminators as a first tier engineering control under COSHH is not widely appreciated and there are probably large numbers of towers in use with defective or ineffective eliminators”.


cooling tower refurbishment


Our Cooling Tower Related Services Include

  • Replacement of cooling tower packing with high efficiency biocide-treated packing
  • Repair & maintenance to cooling tower casings
  • Repainting of cooling tower casings

Legionella Risk Assessments for Cooling Towers

All businesses and organisations which employ people with wet cooling systems (cooling towers and evaporative condensers) need to follow code of practice regarding Legionella risk control and Legionnaires disease.

Legionella bacteria can grow in cooling towers and other parts of water systems.  They thrive between temperatures of 20 degrees C – 45 degrees C and they can survive low temperatures.

Under general health and safety law you are required to consider the risks to staff and the public.


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Legal Responsibilities Of Landlords & Employers

  • Identify and assess potential sources of risk
  • Create or have created a regime to prevent or control the legionella risk
  • Implement and manage such a scheme, with someone appointed as being responsible for the on-going running of the same.
  • Record work that is done and ensure it has been carried out effectively
  • Where appropriate under the Notification of cooling towers and evaporative condensers regulations, you must contact the local authority to let them know you have a cooling tower on site.


Assessment Reports

Our Legionella consultancy will carry out Legionella risk assessments on cooling towers and more broadly across an entire water system. Where a risk is identified (eg. Aerosols from cooling towers which could come into contact with people) a control regime can be recommended and implemented for you.

Resulting services for cooling towers include ensuring the release of water spray is controlled, removal of redundant pipework or overtly long pipes which can promote water stagnation and replacement with more appropriate pipes, material which are known to encourage Legionella growth are removed, water cleaning and chemical treatments can be applied as required and treatments applied to kill Legionella where a problem is found to already exist.


Compliant Sampling & Treatments

Treatments which can be used on cooling towers include biocides, UV irradiation, ozone and copper/silver ionisation and chlorine dioxide.

If hot water is used to control Legionella then appropriate risk-control measures need to be thought through to reduce the risk of scolding.

Sampling in accordance with Part 2 of the ACOP can be carried out to test for Legionella in cooling towers and hot and cold water systems.


Cooling Towers & Evaporative Condensers

Cooling Towers & Evaporative condensers are used in a wide variety of applications and are often essential systems used as part of a manufacturing process.

Due to the nature of these systems it is essential that good Water Treatment is maintained along with bacteriological control most notably legionella bacteria which often thrive in cooling towers due to the set up, process and suitability.


cooling towers

AMES offer to clients the full management package for cooling towers and our ACR10 regimes are designed and tailored around the specific site requirements for their system, the control regime includes the following:

  • Installation Of Automated Dosing And Water Quality Tower Tech Unit
  • Frequent Monitoring Of Water Quality
  • Approved Treatment Chemicals And Biocides
  • Legionella & Microbiological Sampling
  • Clean And Disinfectants
  • System Upgrade And Refurbishment

 

All tests and inspections carried out are recorded within a site specific log book and conforms to all governing legislation, all our services and work practices are directed from the Health & Safety At work Act 1974 and the approved code of practice 2008(ACoP l8)

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Nationwide Legionella Risk Assessments & Control


Contact us by phone, email or contact form for the UK’s leading Nationwide Legionella Risk Assessment & Control Services.

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