30
Neptronic
®
www.neptronic.com
Evaporative Humidification / Cooling System
Cleaning and Disinfection
Before commencing cleaning and disinfection:
1.
Risk assess the situation.
This should include but is not limited to observance of COSHH, L8 and
the use of PPE, working from heights and ensuring a full understanding of the SK VAP System.
2.
Coordinate with relevant responsible persons.
3.
Check records (i.e sample results of microbiological control) for system history.
4.
If possible, disinfection should be carried out when the building is unoccupied.
Evaporative humidifiers must be regularly cleaned and maintained, to prevent contamination especially in industrial
environments.
All surfaces requiring disinfection or cleaning must be in contact with the appropriate concentration of disinfection
solution for at least one hour. The method statement for disinfection may need to be adapted depending on the layout
of the humidifier pipe-work, for example, where system pipe-work splits into ‘H or U’ shape, ensure that disinfection
solution reaches all pipe-work end-of-lines. Additional procedures will be required for supply water system pipe-work or
water treatment systems prior to the humidifier.
Neptronic
®
recommend that routine disinfection should take place in the following situations:
(a)
At initial commissioning.
(b)
Where routine monitoring and control regime or risk assessment shows it to be necessary.
(c)
At six monthly intervals.
(d)
If the system or part of it has been shutdown and/or substantially altered creating a risk of contamination.
(e)
During or following an outbreak or suspected outbreak of Legionellosis.
Recommended Disinfection Equipment
1.
Disinfection solution in accordance with manufacturers guidelines
2.
Disinfection neutraliser (only if necessary)
3.
Disinfection solution test kit (to measure strength)
4.
Bucket of fresh water
5.
Braided hose (for flushing at end of line
6.
Measuring container / syringe
7.
Clean cloths
8.
Mixing vessel
9.
Risk assessment / test record sheets
10.
Standard tools
Summary of Contents for SK VAP
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