Deliver understanding through practical and efficient hydraulic services design utilising the latest technology and real world thinking to create value for our clients in both system and price.

Places of Work:

31 183 089 469

Design Licence Number:
QLD – QBCC 15006593
NT – NTBPB 219483PD


SDG are providers of consulting services for Hydraulic Design to the building and construction industry. We continually exceed our client’s expectations in delivering successful projects. We listen, understand and adapt our thinking on each project to deliver real world outcomes providing value to our clients and their partners.


Director - Zach Nash

Zach has over 12 years’ experience in the design, documentation and construction of hydraulic systems and services. Zach is a full member of the Association of Hydraulic Services Consultants Australia (AHSCA). Zach was named by the AHSCA as the Hydraulic Consultant of the Year in 2013.

He is currently licensed by the QBCC and NTBPB to certify hydraulic services design. He has worked on numerous large scale developments gaining invaluable experience in complex hydraulic services. Zach has extensive knowledge of Revit with over 10 years’ experience modelling hydraulic services.

Design Manager - Dean Walkley

Dean has over 15 years’ hydraulic and civil design experience. Dean holds a Bachelor’s degree in Civil Engineering and has been involved in numerous complex projects. Dean has extensive design co-ordination and management experience and has worked for large contractors in similar roles.

BIM Manager - Jordan Humphrey

Jordan is an experienced hydraulic services draftsperson and oversees our documentation and modelling at SDG. He ensures our document control and quality management systems are adhered to on each and every project.