PAR 1315 - PCS Upgrade - PAR 1315 PROCESS CONTROL SYSTEM FUTURE CONTROLLER UPGRADE

As part of its process control strategy, the Metro Wastewater Reclamation District (Metro District) uses an ABB DCU Process Control System. The old generation ABB DCUs throughout the RWHTF site have been scheduled for replacement. It is the intention of the Metro District to issue a contract for the fabrication and testing of one replacement and two new Distributed Control Units (DCU-F at the North Primary Polymer Building, DCU-Y at the Dissolved Air Flotation Building, and DCU-Z at the North Primary Sludge Pump Station 3 Building) and fabrication and testing of one replacement Remote Input/Output (RIO) unit (RIO-4 at the West Blower Building) under PAR 1315 Process Control System Future Controller Upgrades per included minimum specifications and drawings.