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Fundamentals of Drainage Design in Reactive & Unstable Soils

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Next dates:

Brisbane - Australia
8:30 am - 4:30 pm, AEST
Thu 10 Sep 2026
Register here

Online - ANZ
8:30 am - 4:30 pm, AEST
Thu 10 Sep 2026
Register here (soon)

*All online sessions are recorded, with access to the recordings granted for 30 days.

About this Course:

This course has been developed in conjunction with AHSCA QLD, CIBSE, HCAA and ICC.

The objective of this course is to equip hydraulic designers, engineers, plumbers, and regulators with the knowledge and skills to design, assess, and implement drainage systems in reactive and unstable soils, aligned with the National Construction Code (NCC), AS 2870 and AS/NZS 3500.2:2021 Appendix G.

This training establishes a practical and consistent framework for managing the challenges associated with soil movement and reactive ground conditions. It is designed to enhance participants’ understanding of current industry practices, emerging methodologies, and risk-based decision-making approaches that can help minimise reliance on performance solutions where appropriate.

While this course is not intended to be a definitive “fix-all” solution, it aims to provide valuable insights into the key considerations, principles, and requirements needed to support better outcomes across the industry. By increasing awareness and understanding, the course seeks to contribute to more informed decision-making and improved practice.

Who should attend:

  • Those in the early stages of their electrical services engineering career,
  • Those with international qualifications looking to understand local design requirements and framework, or
  • specialising in other areas of the construction and the building services industry, wishing to gain a better understanding of electrical services design principles in Australia and New Zealand

Learning outcomes

On completion of this course you will have an understanding of the following:

  • Statutory, Cost and Technical considerations for Electrical Services design and component selection
  • minimum standard requirements and best practices in Electrical Services design
  • key components of the electrical plant and systems
  • the complexities and interrelatedness of Electrical Services and other building services, which ensure/reflect a people-first approach, over a building-first mindset.
  • key aspects of Electrical Services including Generation, Distribution, Reticulation and Cabling, Load Demand Testing and Commissioning and Lighting
  • the importance comfort, health, wellbeing, and safety of the people who might occupy the building when considering design, and the appropriateness of the sustainability strategy in relation to those people.

Course Agenda:

Session 1 Defining The Problem And The Context
Session 2 Ground Behaviour and Site Characterisation
Session 3 Soil–Structure–Pipe Interaction & AS/NZS 2566.1  
Session 4 Drainage System Design for Reactive Soils
Session 5 Applied Code Analysis: AS 2870  
Session 6 Structural Integration for Unstable Conditions
Session 7 Design Verification & Dual Case Studies    
Session 8 Case Studies & Interactive Workshop
Session 9 Developing a Performance Solution

Meet the Trainers:

Chris Ferguson -  course facilitator

Chris Ferguson

Chris is currently a Technical Specialist with Plastec Australia and brings more than 30 years of experience in the plumbing industry. He has managed the design and implementation of Plastec's range of articulated joints and risk-proofing technologies, contributing to innovative solutions for plumbing systems in challenging environments.

Chris has also played an active role in industry standards, participating in standards working groups and development committees. He travels extensively throughout Australia and New Zealand, working closely with geotechnical professionals, regulators, engineers, hydraulic consultants, and tradespeople to promote best practices in plumbing and construction for reactive and unstable ground conditions. In addition, Chris delivers professional training to TAFEs and industry groups, sharing his expertise in plumbing and drainage design for reactive and unstable soils.

 

Chris Taylor -  Course facilitator

 

As Director and Principal Consultant at Taylor Environmental (Australia) Pty Ltd, Chris has more than 30 years of experience in soil and site assessment, contaminated land, and geotechnical and environmental engineering across both government and private-sector projects. He holds an Associate Diploma of Civil Engineering, a Bachelor of Applied Science (Chemistry), and a Master of Environmental Management from the University of Queensland. His extensive project experience includes undertaking geotechnical investigations for structures and acid sulphate soils as part of the Gateway Upgrade Project, one of Queensland's largest transport infrastructure projects. Chris specialises in site and soil evaluations, soil classification, permeability, dispersive and reactive soils, and land capability assessments for site development and land application design. He also has significant expertise in erosion and sediment control and earthworks, having contributed to major infrastructure projects including the Pacific Motorway Upgrade and the Bundaberg Ring Road. Beginning his career in soil and materials laboratory testing with the Queensland Department of Main Roads, Chris now prepares independent technical reports, compliance assessments, and expert advice for regulators, asset owners, and the courts.

 

 

What participants had to say    

After more than 40 years in the plumbing industry and nearly two decades in hydraulic consultancy, I found this training both practical and insightful. It reinforced key principles, challenged existing assumptions, and provided valuable guidance for designing, installing, and inspecting drainage systems in reactive soils. The trainers' knowledge and real-world experience were outstanding, making this a course I would highly recommend to anyone seeking best-practice outcomes.”

— Paul Lind, Hydraulic Consultant, South Australia

 

Course Contributors

Ashley Monson | Chris Ferguson | Chris Taylor | Chris Tritton | Emily Doughty | Jason Bau
Ken Crase | Les Wilson | Paul Angus | Peter Wenning | Richard Playne 
Sharon Pestonji | Shaun Wallace |Tom Roberts | Tom Wise 
Developed in collaboration:
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