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  • Start Date: 12 Jul 2012
  • End Date: 12 Jul 2012
  • Venue:
    222 Balham High Road
    SW12 9BS
  • Rates:
    • CIBSE members rate £ 316.60 (£ 263.83 ex. VAT)
    • Non members rate £ 337.02 (£ 280.85 ex. VAT)

A831 Building Drainage Explained

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 
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
Grease interceptors
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 and coffee will be at 09.30
Course will start at 10.00 and finish at 16. 30

Trainer - Brian Whorlow
An Incorporated Engineer and degree qualified adult teacher who has specialised in public health engineering and plumbing for over 25 years, his experience spans installation, design, providing technical support for manufacturers and technical authorship. He is now a Director of his own consultancy firm which also supplies design software. He is well known in the industry and has been a speaker at CIPHE national conferences, and has presented several seminars for SoPHE. More recently he has provided technical expertise to assist with a popular consumer television programme.