BOHS P900 – Legionella – Maintenance and Testing of Control Measures for Domestic Hot and Cold Water Systems
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To provide the basis of competence of operatives undertaking the operation and monitoring of domestic hot and
cold water systems in buildings.
On successful completion the student shall be able to understand the practical skills required for the monitoring of hot and cold water systems in buildings including;
*A basic knowledge of legionella bacteria and the risk factors which allow it
to proliferate in water systems
*Awareness of legal requirements, approved codes of practice, roles of duty holder,responsible person(s), consultants, contractors and landlords,and best practice in the control of legionella.
*Awareness of the key elements that make up domestic hot and cold water systems including storage tanks, cylinders & calorifiers, point-of-use heaters, TMV’s, showers, outlets, sentinel points,etc.
*Understand the requirements for the undertaking of physical inspections of water systems and installations and the importance of schematic diagrams.
*Understand the practical requirements for the implementation of legionella control regimes.
*Understand how to undertake and record water temperature monitoring in a range of water systems and installations.
*Awareness of the commoner alternative methods of controlling legionella in domestic water systems.
*Understand the basic principles of how to undertake and record the flushing of little used outlets and the
cleaning and descaling of shower heads and hoses.
*Understand the principles involved in the interpretation of water monitoring data and identify potential defects and inconsistencies in the management of the water systems.
Topic Time Allocation
1 Legionella and Health Risks 10%
2 Legislation and Guidance 10%
3 Types of Domestic Hot and Cold Water Systems 20%
4 Precautionary Measures for Legionella Control 15%
5 Sampling, Testing and Monitoring Regimes 15%
6 Maintenance, Disinfection and Cleaning 15%
7 Record Keeping15%
Reference is made in this syllabus to UK HSE guidance and other Industry best practice documentation. This may not be the most up -to-date relevant publications from HSE/other sources and is intended as guidance for candidates only
Number of Delegates
PROFICIENCY CERTIFICATE In LEGIONELLA - Maintenance and Testing of Control Measures for Domestic Hot and Cold