Hot & Cold Water Monitoring
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Practical Advice & Solutions
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Water System Monitoring
HSE’s guidance on controlling legionella includes a requirement to routinely check the temperature of all hot and cold water services – Hot & Cold Water Monitoring.
HSE L8 (Fourth edition) & HSG274 “Legionnaires’ Disease, The control of Legionella bacteria in water systems” asks for a written scheme for controlling the risk from exposure. This should be implemented and properly managed so that all water services are routinely checked for correct temperature, water demand and inspected for cleanliness and use.
Temperature control is the traditional strategy for reducing the risk of Legionella in water systems.
Routine Temperature Monitoring
Hot & cold water outlets (tap, showers etc.) should be monitored on a regular basis. Sentinel outlets should be monitored monthly to comply with guidance documents.
This can be done by our Competent Engineers or Remotely with our Innovative Online Monitoring Systems. We can provide a comprehensive range of services for water hygiene maintenance, inspection and monitoring to HSE & Healthcare requirements, including hot and cold water monitoring – routine temperature monitoring.
Cold water should be maintained, where possible, at a temperature below 20°C.
Hot water should be stored at least 60°C and distributed so that it reaches a temperature of 50°C (55°C in healthcare premises) within one minute at the outlets.
Waterman Environmental Services can help you to ensure your water systems are safe, clean and fully compliant with all current legislation. The HSE’s guidance on controlling legionella includes a requirement to routinely check the temperature of all hot and cold water services.
Other Monitoring Methods
Some sites use other treatment methods, such as chemicals (e.g. Chlorine Dioxide) or supplementary measures (e.g. Ozone Generation, UV treatment) to control both legionella and biofilm growth in hot and cold water systems.
In the appropriate application, these methods may be used to aid legionella control where maintaining a conventional temperature regime is difficult or where the removal of all dead legs and little used outlets is impractical.
Waterman can provide all types of methods to control bacteriological growth in water systems, ensuring our clients comply with legislation while also offering a range of innovative and environmentally friendly water solutions that will help them with cost & energy savings.
Hot & Cold Water Monitoring Process
Conduct An Assessment
Undertake Hot & Cold Water Monitoring
All records should be maintained and kept for up to 5 years. Waterman Environmental Services will also carry out full annual reviews of the water management systems.
Our integrated compliance Online Monitoring System enables you to manage multiple assets from anywhere via web or mobile. Complete inspection tests, update information, raise non-compliances and report all within the app for a full audit trail and quick action management for full compliance.
Online Monitoring System
Lists and illustrates each number of jobs to be completed in the calendar month.
Number of jobs completed in the calendar month.
Completed On Time
Number of jobs completed on time as per schedule.
% Non-Compliant Closed
Number of non-compliant jobs actioned and closed off.
1,2,3 Repeat Failures
Assets that have repeatedly failed on 1, 2 or 3 consecutive visits.
Top Ten Highest Rank
Displays the top ten sites with the largest number of non-conformities.
All assets on site are given a unique five / six digit number which allows the system to uniquely identify that specific asset, its location and frequency of testing.
Consistency of Data
Any asset can be made live or hibernated with a few minimal clicks via an office administrator allowing for certain rooms, floors, or blocks to be renovated without losing the data.
All non-conformities or items to be escalated can be captured within the system for the client to review and action accordingly, in most cases providing both pre and post work photographs.
If required, any section can have a client’s signature inserted to approve the engineers work at the time of the visit, inputting both their printed name, signature as well as the time and date of the visit.
All reports and work carried out can be downloaded in PDF format illustrating a large selection of data for your records.