Water Treatment

Professional testing and monitoring to ensure compliance and quality

Our highly trained engineers work to BSRIA BG29/2020 standards which underline the importance of Water Treatment, Water Testing and System Flushing. Your water systems require regular, careful and professional testing and monitoring to ensure compliance and quality. Failure to maintain your systems can often lead to serious problems including loss of system efficiency, build-up of scale deposits, corrosive water conditions and microbiological growth which can result in higher running costs and risks the development of several possibly fatal diseases such as Legionnaires’ disease in the water systems users.

With our water system quality testing and water treatment commissioning services, we can deliver the essential maintenance service and monitoring that keeps your heating systems, cooling water and various other closed systems healthy and performing at peak efficiency. Our team of professional water treatment and commissioning engineers regularly carry out sample tests on a wide range of water systems. All of our treatments are externally analysed by selection of United Kingdom Accreditation Service (UKAS) approved testing and inspection laboratories, guaranteeing standards are always met.

Initial indications and summary reports of chemical conditions can be provided on site after sampling, these will often allow us to quickly identify any issues your water system may have and to work with you to aid and resolve these issues prior to receipt of our UKAS laboratory results.

Comfort509 (Alternative to Chlorine Dioxide)

If you are having problems with recurring Legionella-positive tests, high TVC or Pseudomonas results, this could be the answer. Whether you want to operate with hot water temperatures below those required by ACOP L8 and HSG 274 to save energy costs; protect users from scalding without the expense of fitting Thermostatic Mixer Valves or ensure your water system is hygienic and free from bacteria – this product is the answer. It sets completely new standards in legionella control.

With the EU banning ionisation because of the copper content a new Legionella strategy had to be sourced out where temperature control fails. This has led the UK to look for an alternative that does not cause detrimental damage to water systems and at the same time is dispersive and delivered proportionally.

Comfort509 is a new tried and tested product. As an odourless, tasteless chemical which is fully approved for dosing into potable water, it is specifically developed for use in water hygiene and pipework treatment applications, where it quickly eradicates legionella, pseudomonas and other microbes. This alternative to Chlorine Dioxide is a stable active halogen solution, which rapidly kills all bacteria, viruses, fungi and spores, and is highly effective in breaking down the biofilms which harbour these pathogens.

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Chemical Descaling

Over time scale and calcium deposits build up within a water system, which can lead to poor performance, a drop in cost effectiveness and shortened system life. Yearly internal inspections of pipework and system fittings should be performed and the system de-scaled as required. Systems holding water over 65^oC such as boiler cylinders, heating systems and calorifiers also suffer from the build-up of these deposits and scale, which become the ideal breeding ground for micro-organisms such as Legionella when combined with the high water temperature.

We can perform inspections and acid de-scaling on:

Boilers & Heating Systems
Calorifiers
Hot water cylinders
Chillers

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Chemical Treatment Services

An untreated system can lead to oxygen corrosion and increased levels of suspended solids, poor circulation issues and component blockages, elevated ammoniacal nitrogen levels can cause stress corrosion with can result in cracking of stainless steel, brass and copper pipes and fittings.

These all need to be removed, treated and controlled to enable your systems to perform properly and economically.

Our long lasting chemical treatments allow your system to work effectively by preventing corrosion and microbiological fouling for an extended time period, all of our system flushing is performed to the most recent BSRIA BG29/2012 standards.

We use our own comprehensive range of specifically designed corrosion inhibitor and biocide treatment products which are blended to our own exacting specifications, these combined with a bacterial monitoring regime will ensure that your water systems operate efficiently, economically while being ecologically friendly and providing additional longevity to your system.

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Closed Circuit Pre-commission Systems Flushing

Pre-commissioning cleaning and dynamic system flushing is an essential process whereby flushing and chemical cleaning agents are used in-conjunction with biocides and inhibitors to BSRIA BG29/2012 standards to flush unwanted debris and remove harmful micro-organisms. These standards ensure installations are cleaned to acceptable limits and ultimately, flushed systems will experience less operating problems and provide a longer life span.

A failure to address this can lead to costly corrosion, leaks, seal failures, mechanical or metallurgical failures and reduction in flowrate and performance while creating the conditions to encourage the growth of micro-organisms such as TVC, Pseudomonas and Legionella.

We are vastly experienced in flushing and water treatment of completely new and existing water systems including biocide washes, fit-out floors where careful control of water chemical and microbiological conditions are essential, especially when integration between existing landlord and current tenant areas are required.

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Dual sampling & System Monitoring Services for Landlords

Closed circuit or closed loop water system is a pipework design that enables water to be circulated for either heating or cooling purposes in domestic, industrial or commercial premises. Without an effective water treatment programme corrosion products, foulants and slime forming bacteria can build up in the system. The components of the system will become blocked or decay resulting in a reduction in heat transfer issues and a lot of expense.

Before purchasing a property, undertaking a Fit Out, taking on a new maintenance contract or altering pipework in closed systems (heating, chilled etc) it is advisable to have a full set of water samples taken in order to assess the water quality. On occasions sampling of open systems is also important. This allows timely and appropriate remediation in the event that it is necessary. Additionally this can allow new building owners to assess the risks associated with water systems before finalising on a purchase.

We are specialists in water treatment and can undertake a wide range of services in accordance with the latest Codes of Practice and specifications. Our range of services is comprehensive and can accommodate both new and existing systems, whether they are for major site installations or more localised systems.

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Pre-Installation Legionella Risk Assessments

Comfort Services Group can provide Design / Pre-Installation Legionella Risk Assessments. In essence we perform a desktop review to identify any potential areas of concern before the install commences. We have found that performing a risk assessment at the start of the project, identifies non-compliances which could have ended up being on a snagging list causing additional labour and materials cost.

Therefore even if the contract is such that the building management are taking all responsibility for carrying out the Legionella risk assessment and control regime, the company installing the system still has an obligation to identify to the client areas of the system which require ongoing monitoring to control Legionella; and as such have identified that a risk assessment of the designs would then be a good way to do this.

The only caveat to consider is that the assessments will only be as good as the information and drawings provided and these could vary as the project commences. We also need to be clear that this document would not count as the formal risk assessment for the building and once the project is complete a full Legionella risk assessment will still be required.

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Quality Sampling

In line with industry and British standards BS 8552 - 2015, we carry out the sampling and monitoring of water from building services closed systems. This reduces and removes contaminants which prevent your systems operating correctly and efficiently. We use state-of-the-art quality sampling analysis to assure that your system meets the necessary guidelines and quickly identify and resolve any issues in your system.

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