Xylem completes custom bulk dewatering system

A major North American power utility needed to dewater ash ponds at old sites without permanent power.
To ensure compliance with state permits as well as company ash pond procedures, several variables had to be monitored.
Water levels could not drop more than 12 inches a week and had to stop before 3.5 inches of remaining water was left in the basin.
Before a limit was exceed, alarms needed to be sent out and the system had to be shut down automatically. All of this needed to be monitored continuously during operation and data recorded automatically and retained for record keeping requirements.
The system also needed to run for a 12-18 month minimum period in all kinds of weather.
With its integrated approach, Xylem engineers created a modular system that combined different products into a single streamlined solution.
A Godwin custom control panel with an HMI (human-machine interface) was used to handle all of the inputs required and provide control and communication to the Godwin diesel pumps.
A solar skid provided power to the custom control panel and eliminated the need for a generator – which reduced operating costs.
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