Skip to content

Designing Water Efficient Hot & Cold Supplies

Upcoming Courses 
Key Areas  
Course Content
Learning Outcomes
Who Should Attend
Course Timings
Course Fees
In-House Training

A full overview and agenda, need to know information, and booking instructions can be found on the individual upcoming course pages. Click on a course below to view.

Upcoming Courses 

Following the recent developments regarding Coronavirus (COVID-19) here in the UK, the decision has been made to cancel all classroom training until further notice. The training team are working hard to find a safe solution, by running the training online; please make sure you are opted in and check our website to receive all updates regarding training.
6 November London Find out more

Key Areas 

•  Regulations and Standards affecting design
•  Types of distribution systems and storage considerations
•  Water efficiency and water re-use considerations
•  Booster-pump technology
•  Scale reduction considerations and technologies
•  Hot water demand and generation options
•  Pipe material and jointing considerations
•  Simultaneous demand theory
•  Water pressure considerations and pipe sizing techniques
•  Temperature maintenance within hot water supply systems  
•  Pipe thermal insulation considerations
•  Valves for isolation, control & safety
•  Pressure testing techniques

Course Content 

Over the last decade water efficiency has become mandatory, BS 6700 has been replaced, and there have been significant technological changes affecting the design of domestic water supply systems in commercial and residential buildings. This course provides guidance on the essential design considerations for water and energy efficient systems.


Session 1 - Introductions
  • Traditional water systems in the UK, low pressure, high pressure. (two tap sinks).Water distribution systems, water consumption data, users’ expectations.
  • Wholesome water – what is it? Alternative waters. Types of water in the UK. Water grid option
  • Water Regulations and Byelaws, Building Regulations and Standards, HSE Regs and guides


Session 2 – Hot water
  • Storage, instantaneous, vented, unvented, thermal stores, HIUs
  • Hot water demand, generation and layout options
  • Minimizing water run-off and legionella risks by design


Session 3 – Cold water
  • Legionella risk minimisation – keeping cold water cold – layout, insulation and cooling (heat pumps)
  • Supply improvement techniques, accumulators, pumps, pipes
  • Water meters, softeners, conditioners and fridges


Session 4 – Sizing and testing 


  • Static and transient pressure testing.- Water hammer etc
  • Pipe sizing process and options
  • Examples of pipe sizing
  • Quiz and Questions 

Learning Outcomes 

  • Plan a water distribution strategy for a building
  • Make design decisions about water efficiency and water re-use measures
  • Plan a booster pump installation
  • Make design decisions about scale reduction measures
  • Select hot water generation strategy & aware of demand assessment methods
  • Explain the benefits and disadvantages of different piping and jointing systems
  • Calculate simultaneous design flow
  • Explain pressure and pipe sizing logic
  • Explain the options for temperature maintenance of hot water pipes
  • Select appropriate thermal insulation for piping 
  • Recognise the purpose and features of various valve types
  • Outline the principles of pressure testing

Who Should Attend  

This course would benefit engineers who have little experience of designing domestic hot and cold water services, and would equally suit those already engaged in this subject who feel they need an update on the latest legislation, Standards and technology.

Course Timings  

Registration: 09:15
Start Time: 09:30
Latest Finish: 17.00

Course Fees 

  • Standard Rate: £335 + VAT
  • Members Rate: £285 + VAT

In-house training at your site

Training multiple staff at once provides the opportunity for your organisation to have a training package crafted to your specific needs. In-house training can help your organisation overcome challenges and fill the skills gaps in your workforce. Courses run on a minimum number of six staff*.

For an In-house quote please email the following information to

  1. Name of course
  2. Approximate number of staff
  3. Your site address  

*Minimum numbers for In-house courses outside of the UK may vary

To contact the CIBSE Training Team with a query please

Email: or call: +44 (0)20 8772 3660