CASE STUDY Cold Water Storage Tank Clean & Disinfection to ACoP Nature of client end user business: Nationwide Hotel Chain. Nature of works and any issues or problems: Cold water storage tanks are often out of sight and out of mind but yearly inspections and deep cleaning is an essential element of our service package, the image above shows black sediment and silt at the bottom of the tank and biofilm floating on the surface. These can be the perfect breeding ground for bacteria such as Legionella, e-coli and total viable count (tvc’s) and often suggest lack of water turnover. What a tank clean entails: We are completely aware that loss of service can be a major interruption to the building users and are flexible with working out of normal office hours to ensure minimal downtime

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