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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

From the visual inspection to systems certification Alisea acts in accordance with the law and in accordance with the highest quality standards.




The first phase of the process is represented by the Visual Inspection which consists of an evaluation of the air treatment equipment, the discharge terminals, the air ducts and the cooling towers. During the visual inspection a special Check List is completed which shows the state of every element inspected.

If during the Visual Inspection it is clear that all hygiene and maintenance requirements for the system have been complied with this is then recorded in the Health, Safety and Maintenance Register together with the relative Check List. The Visual Inspection should then been repeated periodically in accordance with scheduled monitoring activities.

In the event however any doubts arise with regard to the hygiene and maintenance requirements and the problem or the kind of action to be taken is not clear the Preliminary Technical Inspection is carried out which is an in depth analysis which produces the Risk Assessment document relating to chemical or microbiological pollution of the air circulating in the system.

In the event the Preliminary Technical Inspection finds that the hygiene and maintenance requirements have been complied with the Health –Safety Certification document is drawn up for the aeraulic system and this is then recorded in the Health, Safety and Maintenance Register. The Visual Inspection should then been repeated periodically in accordance with scheduled monitoring activities.

If in the event after the Technical Inspection it is clear that the hygiene and maintenance requirements have not been complied with it is necessary to carry our Corrective and/or Sanitising Action.

Following this corrective action a Conclusive Technical Inspection is carried out with a 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 aeraulic 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.