Department of Building Services Engineering An engineering approach to legionella control in Health care Facilities By Paul Cleary Table of contents What is legionella How it affects people ID: 935168
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School of Civil and Building Services EngineeringDepartment of Building Services Engineering“An engineering approach to legionella control in Health care Facilities”By Paul Cleary
Slide2Table of contentsWhat is legionellaHow it affects peopleLegislation dealing with legionellaCase studiesLessons learned
The role of the Building Services Engineer
Slide3What is legionella ?Human Hair: 10ˉ⁶ mLegionella Bacteria: 10ˉ⁹m
Slide4Legionella related deathsSpain-Costa Blanca-January 2012-2 deathsBasildon Hospital-Essex- August 2011-1 deathSpain-Murcia-July 2001-6 deathsIreland-67 reported cases between 2001 and 2007 resulting in 5 deaths
Slide5Optimum growth conditions for legionella
Slide6Who is at risk ?Older people –over age 40-MalesPeople who smokePeople who drink to excessPeople with suppressed immune systems. For example HIV sufferers or organ transplant recipientsPeople with underlying health problems such as diabetes, heart complaints and respiratory problems.People with impaired choking reflex such as stroke sufferers
Slide7Legionella related legislationThe Safety, Health and Welfare at Work Act 2005The Safety, Health and Welfare at Work ( General Application ) Regulations 2007 The Health Protection Surveillance Centre (HPSC) - The Management of legionnaires’ disease in Ireland (Endorsing HSC Approved Code of Practice);
Slide8Case StudiesSt Patrick’s University HospitalBasildon University HospitalI work thereDirectly involved with legionella prevention programme
Access and permission to publish data-test results
etc
-
In a neighbouring Country so relevant to Ireland
Has suffered recent outbreaks of
legionellosis
Has been fined for legionella related deaths in the past
Slide9Lessons learnedIndependent risk assessment essentialDesign and build of hot and cold water storage and supply systems criticalThe role of chlorine dioxideRegular independent water sample testingInteraction with stakeholders
Slide10Cold water storage
Slide11Chlorine dioxide plant
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