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Disinfection of Hot and Cold Water Systems (WH005)

£310 + VAT
1 Day
York,   Slough,   Livingston and On-site.
Course Overview
Our one day City & Guilds Assured disinfection of hot and cold water systems course has been designed to provide you with the statutory, technical and practical information required to safely disinfect hot and cold water systems. Taught by industry professionals, throughout this course you will develop a thorough understanding of water system disinfection in accordance with technical documents: HSG274 Part 2, BS 8558 and PD 855468.

Upon completing this course, you will know which chemicals to use and how to disinfect safely. This includes disinfection procedures using; sodium hypochlorite, hydrogen peroxide, as well as subsequent water sampling and chemical measurement.
Who is This Course For?
This Legionella disinfection course has been developed for those planning or currently involved with the disinfection of hot and cold water services within buildings using chlorine based compounds or silver stabilised hydrogen peroxide.

Achieving a City & Guilds Assured Legionella disinfection digital credential will further expand your skillset and can open up a path towards becoming more involved with the technical side of Legionella and water related duties. Additionally, our City & Guild Assured course is widely recognised across the UK, providing formal recognition of your skills and knowledge.
Start Date End Date Location Price (Ex. Vat)
Thu, 13th June 2024 Thu, 13th June 2024 Slough £ 310
Thu, 27th June 2024 Thu, 27th June 2024 York £ 310
Thu, 1st August 2024 Thu, 1st August 2024 Slough £ 325
Thu, 15th August 2024 Thu, 15th August 2024 Livingston £ 325
Thu, 5th September 2024 Thu, 5th September 2024 York £ 325
Thu, 3rd October 2024 Thu, 3rd October 2024 Slough £ 325
Thu, 31st October 2024 Thu, 31st October 2024 York £ 325
Thu, 5th December 2024 Thu, 5th December 2024 Slough £ 325
Thu, 12th December 2024 Thu, 12th December 2024 Livingston £ 325

Day Morning Afternoon
  • Disinfection Background and Contamination
  • Legal Obligations - Relevant Statute Documents
  • Relevant Technical Support Documents
  • Procedure Risk Assessment and Production of Method Statements
  • Calculating System Capacities and Relevant Chemical Quantities
  • PH Affect and Residual Chemical Readings
  • Disinfection Procedure Using Sodium Hypochlorite Including Neutralising
  • Disinfection Procedure Using Hydrogen Peroxide
  • Demonstrating Residual Chemical Measuring Equipment
  • Local, Point of Use Disinfection
  • Water Sampling Principles
  • Written Course Assessment
  • Legal and moral framework
  • Storage and handling of chlorine silver hydrogen peroxide chemicals
  • Biocidal treatment methods
  • Calculating system capacities and chemical quantities
  • Chemical dose, pH factor and residual measurement
  • De-chlorination methods
  • Disinfection procedures
  • Water sampling
  • Course assessment
Prior to attending this course we recommend you have the following:
There are no pre-requisite requirements to attend this course and everything is provided for the course duration
Take a Look Around

Course Training Team


Tony Green

Water Hygiene Training Manager

Tony is a Water Hygiene Training Manager with over 40 years in the water industry; 10 years of which as a service engineer and 30 years within training and education. Tony started training in 1984 for a major European boiler manufacturer where he became the training manufacturer for the product range. After successfully establishing the training division Tony moved on in 1990 to the Water Industry organisation where he helped develop training courses for Legionella water management which also included undertaking on-site Legionella risk assessments. Tony also had a period where he trained for the water utility and mains distribution, before moving back to take management control of the water (legionella) management courses. Tony has extensive knowledge and experience in legionella control and has trained some of the country's leading facilities management and construction companies, both in the UK and abroad.


Adrian Thompson

Senior Water Hygiene Training Consultant

Adrian is a Senior Water Hygiene Training consultant with over 35 years experience in commercial / industrial water systems. Adrian has hands on experience working with tools to deliver and develop training courses for a wide range of disciplines in Facilities Management to the Healthcare (NHS), Public Services and the Ministry of Defence (MOD). He has also undertaken project managed schemes to the likes of Balfour Beatty Workplace, Babcock, Interserve, Norlands, Carillon, The Mid Yorkshire Trust, Lyonnaise-des-eaux which has taken him to Gibraltar, Dubai and Brunei. Adrian has extensive experience and knowledge of Water System designs and their controls, in order to provide companies and individuals with the very best information to ensure compliance and effective management systems. This includes tailoring individual customer needs to standards such as the Approved Code of Practice L8 (Commercial) or HTM's (Healthcare).


Kevin Hook

Senior Water Hygiene Training Consultant

Kevin has over 45 years experience in the plumbing and heating industry, as well as over 18 years teaching experience. He began his career as an apprentice and has worked his way up through various plumbing and heating companies. After successfully establishing himself as a plumber, Kevin moved into managing installations at Dolphin Bathroom Ltd before becoming a Project Manager at Wilson & Wright Ltd. Kevin has worked at various training companies as a tutor before joining PPL Training in 2007.


Les Payne

Senior Water Hygiene Training Consultant

Les has over 35 years' experience within the air and water hygiene industry and is based at our training centre in Slough. Les has many accomplishments to date including establishing a UKAS (formerly NAMAS) accredited laboratory to test for legionellae, water quality and fungi. Over the forthcoming years he became involved in the areas of Sick Building Syndrome, Hazard analysis and critical control points (HACCP) and risk assessments providing consultancy and advisory services for several clients. These sectors included banking, manufacturing, aquaculture, whisky & spirits, oil, construction and NHS Scotland.

Customer Questions

Q: What is Legionella?
A: Legionella is a single bacterium of the legionellae.
Q: What is a duty holder?
A: The duty holder is an employer or person in control of a premises for example a landlord. The duty holder is also responsible for appointing the responsible person.
Q: What is the responsible person?
A: This is someone who is appointed by the duty holder and has the day-to-day responsibility for managing and controlling risks from legionella bacteria.
Q: I need to chlorinate my Schools water storage tank, would this course be best suited to me?
A: Yes this course would be the best suited for you, as it covers technical and practical information to safely disinfect hot and cold water systems
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