Process Control System Replacement » Donohue & Associates, Inc. Client: City of Indianapolis/CEG Location: Indianapolis, Indiana Indianapolis was faced with an obsolete Bailey control system, various aging PLC systems that were difficult to troubleshoot and maintain, old wiring, and electrical hazardous rating classification issues at its Belmont and Southport Advanced Wastewater Treatment Plants (AWTs). The City retained Donohue to provide planning and design services for a new, state-of-the-practice integrated process control system at both plants. The planning process included workshops and meetings to discuss areas with special control and environmental concerns, guidelines for development of new process control systems, opinions of probable construction costs, and phasing alternative

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