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ric COPY <br /> ` iCtTh)N ON LAST PAGE <br /> 5Iv 1TH C'_E',K <br /> Consultant will review and modify the CLXA PLC program to the extent possible <br /> to prepare for each new RIO panel to be added via Ethernet making tagging <br /> upgrades to standardize the program. <br /> TASK 3-DESIGN AND IMPLEMENT CLEARWELL AND CHLORINE PANEL <br /> (NORTH PLANT) <br /> Consultant will design new remote input/output (I/O) panels for the clearwell <br /> (post-treatment) area and chlorine room which have shown severe corrosion and <br /> experience frequent failures. The existing panels will be converted to J-boxes and <br /> conduit/wire will be extended for new hardwired inputs/outputs. Consultant will <br /> utilize existing panel shop drawings as a basis for design. <br /> Consultant will prepare bid documents consisting of site plan depicting <br /> improvements which are needed for present and future phasing,and panel <br /> drawings and specifications for replacement and installation of new panels. It is <br /> assumed that no more than three (3)qualified panel system suppliers will be <br /> specified. Drawings will consist of control panel details, subplate layout, dead front <br /> layout, wiring diagrams, and specified PLC and I/O equipment. <br /> Consultant will provide coordination with purchasing department in procurement <br /> of the new panels and a panel system supplier. Consultant will review quotes/bids <br /> from the qualified panel suppliers. <br /> Consultant will provide a list showing the I/O in these panels,assist with the <br /> finalization of the specification and drawings required for the bid process and <br /> submittal review of the subsequent panel design by the hardware integrator. <br /> After the RIO panel submittal from lowest qualified panel supplier has been <br /> selected/awarded,Consultant will review submittals and begin necessary <br /> modifications to the existing main PLC program to incorporate this I/O. <br /> Consultant will remove the RIO from DH+, reschedule the ControlNet Network <br /> Update Time and verify the rest of the system is still operational and <br /> communicating. Consultant will establish operation and communications with this <br /> RIO Panel via the Ethernet connection. <br /> Consultant will relocate existing I/O interface to Ethernet systematically, <br /> maintaining operations to the extent possible. Consultant will review each block of <br /> logic and establish operation as it did previously or better as it is migrated,before <br /> continuing. <br /> K.:\WP$_Civtl\044512031 [RCU SCADA Study\Scope\tR.CU Water Plant SCADA Report.Modified.docx Page 3 <br />