Gate mechanisms replaced at Australia’s Lauriston Reservoir

Rotork Australia, a unit of Rotork Controls Ltd. of the United Kingdom, has completed the replacement of gear boxes and braking mechanisms on ten spillway gates of Lauriston Reservoir in Australia’s Victoria State.

Rotork IQ actuators and Rotork Gears gearboxes were used to provide a comprehensive turnkey gate actuation system retrofit, improving the flood capacity of the water supply reservoir operated by Colban Water.

Maintenance inspections revealed the half-century-old gearboxes were worn and in poor condition. Additionally, it was found a mere overhaul would be costly and would result in an operating system that could not open gates quickly enough to achieve maximum flood capacity.

Rotork provided IQ25, 24-rpm actuators fitted to Rotork Gears MTW8 gearboxes, with new mounting frames designed to eliminate a need for structural modifications. They replaced 1.7-ton gearboxes requiring 14,800 turns by a portable hydraulic drive to fully stroke the gate.

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