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Alisea News

05/11/2015

Legionellosis risk at schools: how to prevent it?

Legionellosis often represents a not considered risk in biological risk evaluation of schools, but epidemics have been discovered in environments like schools, hotels and hospitals

24/10/2015

Evidences of legionellosis in a Capannoli plant

Security measures has been immediate for the infected rooms. These measures have been activated by a major's decree to debilitate the dangerous bacterium


Process

After a preliminary inspection, the systems are cleaned and decontaminated. After evaluating the results, a certification is released for the remediated plants.




The first phase of the process is the Preliminary Technical Inspection during which it is ascertained if there are any greasy, charred or viscous deposits that could alter the fireproof nature (class 0) of the internal surfaces.

If after the Preliminary Technical Inspection it is clear there are no such deposits the Health –Safety Certification document is drawn up for the system and this is then recorded in the Health, Safety and Maintenance Register. The Technical Inspection should then been repeated periodically in accordance with scheduled monitoring activities.

In the event it is clear from the Preliminary Technical Inspection that these deposits are present it is necessary to carry out Corrective Cleaning.

Following this corrective action a Conclusive Technical Inspection is carried out with scrupulous assessment of the operations carried out and the results obtained. If it can be shown that the corrective action produced positive results the Health –Safety Certification document is drawn up for the system as well as Health-Safety Maintenance plan of the same.
Subsequently all these actions are recorded in the Health, Safety and Maintenance Register. The Visual Inspection should then been repeated periodically in accordance with scheduled monitoring activities.

If however the Conclusive Technical Inspection shows that the corrective action did not produce positive results, this should then be repeated after a failure analysis.