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A1546 Building Drainage Explained

19 October 2017 9:00 - 17:00

222 Balham High Road

SW12 9BS

A1546 CIBSE Member Rate ex VAT £280.00

A1546 Standard Rate ex VAT £310.00

Book now


CPD Hours

Key Areas

  • Generic drainage technology
  • Wastewater design criteria
  • Pumped Basement drainage considerations and anti-flood measures
  • Surface water design criteria
  • SUDS techniques
  • Alternative drain pipe materials

Course Content

A general introduction to below ground building drainage systems, covering the key features of typical drainage systems, explaining practical applications, and including some drain sizing examples.

Session 1

  • Introduction
  • General Principles and terminology
  • Use of gradients and flow data
  • Drain bedding and protection techniques
  • Access systems and regulations

Session 2

  • Foul Water drainage systems
  • Design criteria
  • Gullies
  • Grease interceptors
  • Ventilation
  • Wastewater drainage design example

Session 3

  • Surface water drainage systems
  • Design criteria
  • Gullies and channel drains
  • SUDS techniques
  • Filters for rain harvesting systems
  • Surface Water drainage design example

Session 4

  • Petrol interceptors
  • Basement pumping and anti-flood arrangements
  • Inspection and testing methods
  • Considerations affecting selection of materials

Learning Outcomes

  • Define typical drainage terminology
  • Manipulate drainage gradient information
  • Describe the basic principles of drainage bedding
  • Explain the alternative access provisions
  • Determine wastewater design flows
  • Explain Basement pumping and anti-flooding considerations
  • Describe the alternative grease prevention measures
  • Determine surface water design flows
  • Describe the three main SUDS techniques
  • Name the three main types of petrol interceptors
  • Explain the benefits and disadvantages of typical alternative drain pipe materials
  • Describe the main inspection and testing methods

Who Should Attend

This course is designed for people with limited knowledge of below ground drainage systems who require a general overview of the whole subject covering the features that may be encountered in a typical building drainage scheme.

Course timings

Registration is open from 09.00 
Start Time: 09:30
Latest finish: 17:00



Members Rate: £336 (£280 ex VAT)

Standard Rate: £372 (£310 ex VAT)

Ways to Book:

Email: Download Booking Form & email to (*invoice / card)
Phone: Call the team on 020 8772 3637 (*invoice / card)
Online: Click the 'Book Now' button at the top right hand side (*card ONLY)
*Payment by invoice is only available to organisations. 

Terms and Conditions

  • All delegate alterations / cancellations must be received in writing to:
  • CIBSE have the right to cancel or amend training courses. Please contact the training team before making any travel or accommodation arrangements - particularly if you are travelling from outside the UK mainland, as CIBSE will not be liable for any cost incurred by this.

Read full Terms and Conditions


In-house training at your site

Training multiple staff at once is the most cost effective way to develop staff for organisations. All our courses can be delivered at your site (min 6 staff) at discounted rates. These In-House courses are only available in the Uk and Europe. For an In-house quote please email; 
Name of course, approximate number of staff and your site address 

To contact the CIBSE Training Team with a query please

Email:  or  Call: 020 8772 3637

A1546 CIBSE Member Rate ex VAT £280.00

A1546 Standard Rate ex VAT £310.00