legionnaires’ disease – the hidden killer in water systems managing the risk presented by karl...
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Legionnaires’ disease – The hidden killer in water systems
Managing the Risk
presented by Karl Collingwood
Wednesday 26 February 2014
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Types of water systems affected
and problem areas of systems
Role of water management companies
Competency and training
Your site - small to medium businesses
Course Content
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Introduction
My ObjectivesExplain enough for you to understand the
general risk on your sites
Encourage you to take legionella control seriously
Assist you to reach the required standard = risk minimised to protect you and your position
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Types of water system affectedProcess water – industrial, manufacturingCooling towers – foundries, refrigerationDomestic - for kitchens and bathrooms – have
stored cold water, stored hot water or direct fed
Leisure – spa poolsSpray formation – showers, spray taps,
garden sprinklers, pressure washers, misting systems
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Cooling towers Cooling towers Cooling towers
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Cooling Tower is a high risk system
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Cold Water Storage Tanks
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CWST inside – dirty, a glass of water to drink?
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Dodgy hot water systems
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Grubby shower heads
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Scale and biofilm on tap heads
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Spa pools, hot tubs, whirlpool baths
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Role of water management companiesCarry out Legionella Risk AssessmentsProduce (written) scheme of controlProduce technical (schematic) drawingsGive advice on compliance, risk reductionAudit whole programme – especially recordsProvide training Supply water treatment chemicalsONLY SITE TAKES LEGAL RESPONSIBILITY
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Competency - providerThere are no required qualifications‘Qualifications’ are 99% attendance courses with a
badge and simple assessmentBeware firms & people with no proper history in
the industry – avoid slick marketing, cheap quotesAsk for evidence of competency, CV, probing
questions, put them under pressureAsk for training record of individual from
legionella control (water management) firm
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Competency & Training clientYou and your staff Training – seek good quality, purposeful – what
are course objectives? who is teaching?Providers - contact testimonials authors –
ensure genuine3 months after training review staff
competencyCheck Legionella Control Association websitewww.legionellacontrol.org.uk
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Small and Medium sized businessesWater system design, installation, operation –
outdated, oversized, incorrectly usedLack of knowledge – no idea tanks in lofts,
where is the hot water cylinder?Temperature set at 37°C – ideal for legionellaOther problems – corroding tanks, overflow
pipes disconnected, tanks fed outlet used for drinking
Attitude – there is no problem, not doing it !
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How are problems solved?Change attitudes by education & informationIt is a legal requirement – to protect everyoneIt is low cost – compared to not doing itUnderstand it is all about preventionAdvice on system design, installation, operationTraining for site staff – legionella awarenessHave a programme, LRA & annual reviewThink of it as an insurance policy
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To do list !Water management companies should provide
services as agreed to required standards.Act in best interests of clientsBusinesses shouldChoose a supplier carefullyListen to their providers adviceAction the recommendationsKeep on top of legionella control e.g. annual
review
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Recap
Legionella Control is about sensibly managing the risk from water systems
Water management companies help clients comply with the laws thereby protecting your business, staff, customers & general public
Business owners should accept their legal responsibilities, implement a programme and
manage on an ongoing basis