THCS have a dedicated and experienced staff of 8 people making our practice one of the larger Building Hydraulic Services section in the ACT. The depth of skills across the team enable us to adapt quickly to new project requirements and all senior team members required tasks from concept design to drafting.

Principal partners

David Tennant LinkedIn icon

David Tennant

With over 25 years’ experience in building services engineering, David has a broad range of experience in hydraulic and fire services design and construction. His work experience has been in health care, commercial, residential, research laboratories, defence facilities and complex heavily serviced institutional and industrial sites.

David has an established expertise in undertaking feasibility studies and the documentation of innovative ESD systems with regard to hot water systems, water conservation and rainwater re-use.


Robert PerryLinkedIn icon

Robert Perry

Robert joined THCS in 2001 following 22 years’ experience in the building industry at trade, supervisory and management levels. He has extensive experience in all aspects of the building industry including, commercial, health, and research, residential and institutional. He also has excellent skills in design, review, coordination and estimating for hydraulic services.