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Vented & Unvented Hot Water Systems

Course Content

  • Centralised systems
  • Unvented hot water systems
  • Open vented hot water systems
  • Localised systems
  • Unvented point of use heaters
  • Instantaneous heaters

Describe Types of Unvented/Vented Hot Water Systems:

  • Indirect storage systems (include water jacketed tube heaters)
  • Direct storage systems
  • Electrically heated, Gas or oil fired
  • Small point of use (under sink)
  • Bulk storage heaters (combination tank)
  • Solar thermal hot water systems
  • Combination boilers

Identify Hot Water System Pipework Layout Features Including Systems With Secondary Circulation:

  • Direct and indirect vented and unvented
  • Direct and indirect cylinders
  • Solar thermal
  • Thermal stores
  • Combination boilers
  • Secondary circulation including:
  • Location of pump and type
  • Automated timing device
  • Methods of balancing systems

Eligibility

Individuals wishing to take the Vented and Unvented Hot Water Systems qualifications should possess domestic ACS or OFTEC or hold one of the following qualifications:

  • N/SVQ Level 2 or 3 in plumbing (or equivalent)
  • N/SVQ Level 2 or 3 in heating and ventilating (or equivalent)
  • N/SVQ Level 2 or 3 in gas installation/maintenance (or equivalent)
  • N/SVQ Level 2 or 3 in oil-fired technical services (or equivalent)

Water Regulations

Course & Assessment Criteria

  • Know and understand the requirements of the Water Supply (Water Fittings) Regulations and Water Byelaws
  • Know and understand terminology used to confirm requirements of the water regulations
  • Know and understand the suitability of materials and substances in contact with water
  • Know and understand the requirements for water fittings
  • Know and understand the design and installation requirements for a water supply system
  • Know and understand the requirements for prevention of cross connection to unwholesome water
  • Know and understand the fluid categories
  • Know and understand the requirements for backflow prevention
  • Know and understand the guidance clauses relating to backflow prevention
  • Know and understand the installation requirements for cold water services
  • Know and understand the installation requirements for hot water services
  • Know and understand the installation requirements for WC’s, flushing devices and urinals approved for use
  • Know and understand the types of bath, sink, showers and taps and their location and installation requirements
  • Know and understand the consumption limitations for washing machines, dishwashers and other appliances
  • Know and understand the requirements for water supplied for outside use

Eligibility

Operatives wishing to take the Water Regulations qualifications shall possess domestic ACS or OFTEC qualifications or hold one of the following qualifications:

  • N/SVQ Level 2 or 3 in plumbing (or equivalent)
  • N/SVQ Level 2 or 3 in heating and ventilating (or equivalent)
  • N/SVQ Level 2 or 3 in gas installation/maintenance (or equivalent)
  • N/SVQ Level 2 or 3 in oil-fired technical services (or equivalent)

Legionella

Course Content

Understand The Health Effects Of Legionnaires’ Disease

  • Summarise the history of Legionnaires’ disease
  • Describe the typical symptoms of Legionnaires’ disease
  • Describe the conditions required for Legionella bacteria to grow
  • Identify the groups of people most commonly at risk
  • Describe the methods of transmission and infection

Understand How Legislation & Codes Of Practice Can Support The Management Of Legionella Bacteria

  • Identify legislation and codes of practice relating to the management of legionella bacteria
  • Outline the consequences for non-compliance with legislation and codes of practice relating to the management of legionella bacteria
  • Outline key roles and responsibilities associated with the management of legionella

Understand How To Control The Risks of Legionella Bacteria

  • Outline the process of risk management
  • Explain the importance of staff training and assessment
  • Explain the importance of an annual review

Understand The Risks Associated With Legionella in Hot & Cold Water Systems

  • Outline how hot and cold water systems operate
  • Describe the factors that contribute to the risk within hot and cold water systems

Know How To Control The Risk of Legionella in Hot & Cold Water Systems:

  • Explain the requirement for routine monitoring
  • Describe how to carry out routine checks
  • State the requirements for carrying out legionella testing
  • Explain the requirements for cleaning and disinfection

Eligibility

There are no pre-requisites for this qualification, although the course is aimed at operatives with a good working knowledge of hot and cold water systems.