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 info@ppltraining.co.uk  0333 121 1215
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  1. Home
  2. Legionella (Water Hygiene)
  3. Legionella Disinfection

Disinfection of Hot and Cold Water Systems (WH005)

£345 + VAT
1 Day
York,   Slough and Livingston.
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.
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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.
Course Dates
Start Date End Date Location Price (Ex. Vat)
Thu, 30th July 2026 End Date: Thu, 30th July 2026 Slough £ 345 | Slough
Thu, 13th August 2026 End Date: Thu, 13th August 2026 Livingston £ 345 | Livingston
Fri, 4th September 2026 End Date: Fri, 4th September 2026 York £ 345 | York
Thu, 1st October 2026 End Date: Thu, 1st October 2026 Slough £ 345 | Slough
Thu, 29th October 2026 End Date: Thu, 29th October 2026 York £ 345 | York
Thu, 3rd December 2026 End Date: Thu, 3rd December 2026 Slough £ 345 | Slough
Thu, 10th December 2026 End Date: Thu, 10th December 2026 Livingston £ 345 | Livingston

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Schedule
Day Morning Afternoon
One
  • 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
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Key Learning Areas
  • 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
What you need...
There are no pre-requisite requirements to attend this course and everything is provided for the course duration
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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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Company Overview

PPL Training is an industry leading provider of Safe Systems of Work and Technical Compliance training. Disciplines covered include High Voltage, Low Voltage, Mechanical and Pressure Systems, Airfield Lighting, Legionella (Water Hygiene), Medical Gas Pipeline Systems and Fire Safety training.

Centre Opening Hours are 8:30am - 5:30pm (Mon - Thu) and 8:30am - 5:00pm (Fri).

Head Office: PPL House, Opus Avenue, York, YO26 6BL, United Kingdom
Company No. 03982955 | VAT No: GB758764571 8:30am - 5:30pm (Mon - Thu)
8:30am - 5:00pm (Fri)