Emerson to upgrade Virginia Wastewater Utility

Emerson Process Management is replacing an outdated supervisory control and data acquisition (SCADA) system as well as remote terminal units (RTUs) used throughout Hampton Roads Sanitation District’s (HRSD) wastewater collection system. Emerson’s Ovation control and SCADA systems with ControlWave RTU technologies will help HRSD effectively manage its current remote assets and accommodate future expansion as the service area continues to grow. Currently, HRSD serves approximately 1.7 million people over an area of more than 2,800 square miles in 17 southeast Virginia cities and counties.

As part of the “Interceptor” project, Ovation control systems will be installed at HRSD’s three operations centers. In addition, a new Ovation SCADA system with approximately 175 ControlWave RTUs will deliver comprehensive, real-time data – including flows, levels and pressures – to the operations centers from approximately 500 miles of piping and 115 remote pump/lift stations in the HRSD collection system. This information will be used to determine the most efficient distribution of wastewater to HRSD’s nine major and four smaller wastewater treatment plants. The majority of the treatment plants, which have a combined capacity of 249 million gallons per day, already utilize the Ovation platform for in-plant controls.

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