Infrequently Consideration should be given to removing Weekly or as used outlets infrequently used showers taps and associated indicated by the risk equipment that uses water. If removed any supply assessment. pipe work should be cut back as far as possible to a common supply. Infrequently used equipment within a water system should be included on the flushing regime. Flush outlets until the temperature at the outlet stabilises and is comparable to supply water and purge to drain. Regularly use the outlets to minimise the risk from microbial growth in the peripheral parts of the system, and maintain and log this procedure once started. TMVs Assess whether the TMV is required and if not Annually or on a (thermostatic remove. Where needed inspect, clean, descale and frequency defined mixer valve) disinfect any strainers or filters associated with by the risk TMVs. assessment taking To maintain protection against scald risk TMVs account of any require regular routine maintenance carried out by a manufacturers competent person in accordance with the recommendations. manufacturers instructions. Expansion Where practical, flush through and purge to drain. Monthly-six monthly vessels Bladders should be charged according to the as indicated by the manufacturer’s guidelines or as indicated by a risk risk assessment. assessment.
Infrequently used outlets Consideration should be given to removing infrequently used showers taps and associated equipment that uses water. If removed any supply pipe work should be cut back as far as possible to a common supply. Infrequently used equipment within a water system should be included on the flushing regime. Flush outlets until the temperature at the outlet stabilises and is comparable to supply water and purge to drain. Regularly use the outlets to minimise the risk from microbial growth in the peripheral parts of the system, and maintain and log this procedure once started. Weekly or as indicated by the risk assessment. TMVs (thermostatic mixer valve) Assess whether the TMV is required and if not remove. Where needed inspect, clean, descale and disinfect any strainers or filters associated with TMVs. To maintain protection against scald risk TMVs require regular routine maintenance carried out by a competent person in accordance with the manufacturers instructions. Annually or on a frequency defined by the risk assessment taking account of any manufacturers recommendations. Expansion vessels Where practical, flush through and purge to drain. Bladders should be charged according to the manufacturer’s guidelines or as indicated by a risk assessment. Monthly-six monthly as indicated by the risk assessment.
att23843.docx