Legionella – Management and Control of Building Hot and Cold Water Services

This course is designed o provide background and an overview of the risk of legionella infection and how it can be controlled in domestic type hot and cold water systems.

Available as an Onsite Course

Available as a Public Course

Course Objectives

On successful completion, the student shall be able to demonstrate knowledge of:

  • The origins of legionella and the factors which allow it to proliferate to hazardous levels in man-made water systems.
  • The main conditions which cause legionella infection to occur in susceptible individuals.
  • The fundamental principles of assessing the risk of exposure to legionella in domestic hot and cold water systems.
  • The legal requirements,approved codes of practice and best practice guidance.
  • Implementation of legionella control regimes with suitable monitoring programmes and records.
Course Topics
  • Introduction and History of the Organism
    • The occurrence of legionella, sources and primary cause of growth in man-made water systems.
    • Types and significance of the bacteria.
    • The infection chain, susceptibility to infection, symptoms, treatment and prognosis.
    • Health effects on exposed people.
    • Review of data gathered by Public Health England (PHE) and others.
  • Legislation and Guidance 
    • Acts of Parliament
    • Approved codes of practice, HSE guidance notes, British Standards. Other industry accepted good practice sources of information.
  • Risk Assessment of Systems
    • Role of the named duty holder and responsible person(s).
    • Definition of competent responsible person.
    • Key components of the management and control systems.
    • Design and operation of domestic type hot and cold water systems.
    • Importance of schematic diagrams and sentinel outlets.
    • Sentinel points on hot water systems with a circulation.
    •  Significance of dead legs, blind ends and inaccessible parts of the water system.
    • Miscellaneous Systems.
  • Operational Control
    • Duties and responsibilities of responsible person(s).
    • The role, risks and responsibilities when subcontracting part of the task of the control strategy.
    • The written scheme of precautions including routine temperature checks and routine condition inspection.
    • Other control strategies—Ionisation, ClO2, etc.
    •  The role of general bacteriological testing as part of the control strategy.
    • Corrective or remedial actions.
    • Record keeping, the details required for effective management control and retention of monitoring data
  • Outbreak Investigation Procedures
    • The appointment and role of a Proper Officer and Incident Control Team.
    • Definition of an outbreak.
    • The roles of the investigating organisations (HSE, PHE, Local Authority).
    • Control and Investigation phases.
    • Interpreting the patterns of cases to trace the source; interpreting the microbiology to trace the source and the role of sequence based typing (SBT)
  • Regulatory requirements for record keeping.
  • Case Studies 
Legislation

Participants

A maximum of 15 participants can attend each Legionella – Management and Control of Building Hot and Cold Water Services training session.

Duration

Legionella – Management and Control of Building Hot and Cold Water Services training sessions are 1-day in duration.

Certification

On successful competition of the Legionella – Management and Control of Building Hot and Cold Water Services course participants will receive an Accredited Certificate. The certification has no defined expiry date.

Renewal

Participants are required to keep their skills up to date through ongoing continued professional development (CPD).

Course Entry Requirements

There are no special entry requirements for participants associated with this course.

Site Requirements

There are no special site requirements  associated with this course.

Public Course Dates

Summary Of Assessments
  • This course will require 6 hours study time.
  • Examination: There is a closed-book examination comprising of 20 short answer questions to be answered in 60 minutes.

Useful Information

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