Winning hearts and minds at Unitywater

The Derceto Aquadapt implementation for Unitywater on Australia’s Sunshine Coast goes back to 2004, when Unitywater’s forerunner, Maroochy Water Services, was wrestling with the problem of how to smooth demand on two water treatment plants and maximize network asset utilization.

The operators of the Landers Shute and Image Flat water treatment plants were insistent that smoothened flow profiles were essential to improve the operability, efficiency and water quality of their respective plants.

Unitywater’s Engineering Operations Manager, Michael Doherty, says the challenge was to remove the diurnal demand peaks from the water treatment plant supply and to achieve linear flow requirements across the 24-hour day, while maintaining water pressure standards of service and minimum storage levels throughout Maroochy Shire’s reticulation system.

With two treatment plants, 22 reservoirs, four pump stations and 13 flow control valve sites of significant demand and supply, the challenge was beyond the ability of the Supervisory Control And Data Acquisition (SCADA) system's automatic control, Michael Doherty recalls.

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Q: Does Aquadapt software run on the office LAN or the Control LAN?

Oct 19 2010

A: We generally run two servers. One is on the Control LAN and reads and writes Scada data. The other is on the office LAN and allows access to Aquadapt data from any computer in the clients network. A secure independent network exists between the two computers which does not allow bridging or data pass-through. This keeps the Control Network safe from viruses, worms and the like.