Cressbrook Dam C1 Pumping Station

About the project

Pensar was engaged by Toowoomba Regional Council to replace ageing equipment at Cressbrook Dam, to extend the service life of the assets and improve reliability.

Key Capabilities

Design, supply, install and commission of LV and HV power systems and switchboards and PLC and SCADA control systems.

Project Location

Biarra, Queensland

Client Name

Toowoomba Regional Council

Project Duration

September 2019 - July 2020

Project scope

  • Design, supply, install and commission of LV power system switchboards (including new cabling and instrumentation)
  • Design, supply, install and commission of HV power system switchboards (including new transformer and HV cabling)
  • Design, supply, install and commission of new PLC and SCADA control systems
  • Full functionality testing and optimisation of new control system and HV protection scheme logic

Challenges

  • Design and installation of the conduit system under the existing bridge section to allow for the installation of the new HV cables
  • Materials and equipment transport logistics to a remote site
  • Organisation and negotiation of various long lead time procurement items from overseas throughout a global pandemic
  • Maintaining an operable pump station for reliable water supply whilst undertaking upgrades

Achievements

  • Pensar delivered the complete design and construct project in-house
  • Several major items were redesigned to improve constructability and safety, specifically when installing large HV cables over long cable runs in confined spaces
  • Successful coordination of various associated parties to meet strict deadlines within tight commissioning windows
  • Minimal downtime to Toowoomba Regional Council’s water operations
  • Reduced the possibility of the structure being damaged in a flood situation
  • Maintained positive client and contractor relationship throughout the whole project