DC Water Implements Secure SCADA

May 22, 2012
The process automation track of the first Automation Conference kicked off with a presentation on implementing a supervisory control and data acquisition (SCADA) system at DC Water—the Washington D.C. water utility.

Kenn Bengtsson, senior project manager, DC Water, discussed having to upgrade a wastewater treatment plant in a highly sensitive city with an infrastructure, some of which dates back to prior to the Civil War.

"It's not so much just technology but aligning people and technology (people/process/technology)," said Bengtsson. Implementing a SCADA system in the nation's capital necessitated developing strict requirements for sharing information without compromising system integrity including reliability, responsiveness, stability scalability, flexibility and security.
The system includes Invensys Wonderware System Platform, Stratus high reliability servers and redundancy just about everywhere. Planning for cybersecurity was done up front. At first they thought it was overkill, but later determined that it was incredibly important. The system also includes a condition-based maintenance system.
Other presentations on the first day's process track included UL's Kevin Connelly, Business Development Manager, laying out the basics of a safety program and Ken Modeste, Principal Engineer, doing the same for cybersecurity. Steve Elwart, Director of Systems Engineering at Ergon Refining Inc., who explained how to implement alarm management systems when you have younger and inexperienced workers. Steven Toteda, Chairman of Wireless Industrial Network Association (WINA) and vice president and general manager of Cooper Bussman in St. Louis, explained the latest in wireless networking in process systems. And Kailash (Kai) Mariappan, plant controls specialist at Coca Cola North America in Eagan, Minn., described the remote monitoring and diagnostics system he developed and implemented.

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