Subcontractor to Geotech, AWMA was commissioned to design, manufacture and install fishway and regulator gates for the Mollee weir as part of the Keepit Offset project.
The $6million project requires quality control infrastructure to sustain high frequency fish lock gate operation, as well as a regulator gate to attract fish, and to pass environmental and low flows as required. All water control equipment will be linked to SWC’s automated system for remote operation.
This project presented a number of initial design concerns regarding the potential wear of equipment, maintenance requirements and subsequent whole of life costs. To address these issues, AWMA developed a cable drive system based on the mechanics of the proven AWMA LayFlat gate.
The dual leaf stainless steel DLF penstock is 4m wide x 5m high to withstand 5m of static head pressure plus debris loading.
AWMA’s innovative design effectively eliminates wearing parts from the actuation system, significantly reducing the whole of life costs and maintenance requirements for SWC.
The fish lock will require a number of TLF and DLF gates, all under hydraulic actuation, whilst the regulator gate is a custom designed dual leaf gate with an electric actuator.
For more information
Client: Geotechnical Engineering
Asset Owner: State Water Corporation
