Service |
Task |
Frequency |
Hot Water Services |
Arrange for samples to be taken from hot water calorifiers, in order to note condition of drain water
Check temperatures in flow and return at calorifiers
Check water temperature up to one minute to see if it has reached 50°C in the sentinel taps
Visual check on internal surfaces of calorifiers for scale and sludge. Check representative taps for temperature as above on a rotational basis |
Annually
Monthly
Monthly
Annually
|
Cold Water Systems |
Check tank water temperature remote from ball valve and mains temperature at ball valve. Note maximum temperatures recorded by fixed max/min thermometerswhere fitted
Check that temperature is below 20°C after running the water for up to two minutes in the sentinel taps
Visually inspect cold water storage tanks and carry out remedial work where necessary. Check representative taps for temperature as above on a rotational basis |
Six monthly
Monthly
Annually |
Shower heads
Little used Outlets |
Dismantle, clean and descale shower heads and hoses.
Flush through and purge to drain, or purge to drain immediately before use, without release of aerosols |
Quarterly or as necessary
Weekly |
Service |
Task |
Frequency |
Ultrasonic Humidifiers / foggers and water mistingsystems |
If equipment fitted with UV lights, check to ensure effectiveness of lamp (check to see if within working life) and clean filters
Ensure automatic purge of residual water is functioning
Clean and disinfect all wetted parts
Sampling for legionella |
Six monthly or according to manufacturer's instructions
As part of machinery shut down
As indicated by risk assessment
As indicated by risk assessment |
Spray humidifiers, air washers and wet scrubbers |
Clean and disinfect spray humidifiers/air washers and make-up tanks including all wetted surfaces, descaling as necessary
Confirm the operation of non-chemical water treatment (if present) |
Six monthly
Weekly
|
Water softeners
Emergency showers and eye wash sprays
Sprinkler and hose reel systems
Lathe and machine tool coolant systems
Spa baths
Horticultural misting systems
Dental equipment
Car/bus washes
Indoor fountainsand water features
|
Clean and disinfect resin and brine tank - check with manufacturer what chemicals can be used to disinfect resin bed
Flush through and purge to drain
When witnessing tests of sprinkler blow - down and hose reels ensure that there is minimum risk of exposure to aerosols
Clean and disinfect storage and distribution system
Check filters - sand filters should be backwashed daily
Check water treatment - pools should be continuously treated with an oxidizing biocide
Clean and disinfect entire system
Clean and disinfect distribution pipe work, spray heads and make-up tanks including all wetted surfaces, descaling as necessary
Drain down and clean
Check filtration and treatment system, clean and disinfect system
Clean and disinfect ponds, spray heads and make-up tanks including all wetted surfaces, descaling as necessary
|
As recommended by manufacturer
Six monthly or more frequently if recommended by manufacturers
As directed
Six monthly
Daily
Three times daily
Weekly
Annually
At the end of each working day
See manufacturers'instructions
Interval depending on condition
|
