LEGIONELLA MONITORING & MANAGEMENT

A key part of ACoP L8 is that following a legionella risk assessment, a legionella management plan must be put in place. Clearwater Services UK will work on the production of this plan with you and then ensure that it is implemented, regularly managed and monitored.

Our team is experienced in legionella management procedures so that a control system can be designed in full consultation with you. An example of such a control scheme is detailed below:

SERVICE: Hot water services

Task
weekly monthly quarterly 6 monthly annually
Check temperatures in flow and return at calorifiers

 

 

 

 

 

Check water temperature up to one minute to see if it has reached 50oC in all hot water taps, including sentinel taps<

 

 

 

 

 

 

 

Arrange for samples to be taken from hot water calorifiers in order to note condition of drain water

 

 

 

 

 

Visual check on internal surfaces of calorifiers for scale and sludge. Check representative taps for temperature as above on a rotational basis

 

 

 

 

 

SERVICE: Cold water services

Task
weekly monthly quarterly 6 monthly annually
Check that temperature is below 20oC after running the water for up to two minutes in the sentinel taps

 

 

 

 

 

Check water temperature of all existing cold water outlets at site

 

 

 

 

 

Check tank water temperature remote from ball valve and mains temperature at ball valve. Note maximum temperatures recorded by fixed max/min thermometers if fitted

 

 

 

 

 

Visually inspect cold water storage tanks and carry out remedial work where necessary. Check representative taps for temperature as above on a rotational basis

 

 

 

 

 

SERVICE: Thermostatic mixing valves (TMV's)

Task
weekly monthly quarterly 6 monthly annually
Check the temperatures at all TMV's

 

 

 

 

 

Service TMV's and integrated filters

 

 

 

 

 

SERVICE: Shower heads

Task
weekly monthly quarterly 6 monthly annually
Dismantle, clean and descale shower heads and hoses

 

 

 

 

 

SERVICE: Taps

Task
weekly monthly quarterly 6 monthly annually
Clean and descale all taps

 

 

 

 

 

SERVICE: Little-used outlets

Task
weekly monthly quarterly 6 monthly annually
Flush through and purge to drain, or purge to drain immediately before use, without release of aerosols

 

 

 

 

 

SERVICE: Legionella record audit

Task
weekly monthly quarterly 6 monthly annually
Audit legionella onsite log book and associated records to assess compliance with HSE L8 ACoP

 

 

 

 

 


Clearwater Services UK will ensure that the legionella monitoring undertaken at your premises is of the highest standard so that the risk of any infection is minimised as far as it possibly can be.